[Event "Bern"]
[Site "?"]
[Date "1991.??.??"]
[Round "1"]
[White "Zuger, Beat"]
[Black "Klinger, J"]
[Result "0-1"]
[PlyCount "64"]

1. d4 c6 2. Nf3 d5 3. c4 e6 4. Nc3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 Bb7 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 a5 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O
15. Qc2 Qc7 16. e4 e5 17. c5 exd4 18. Bxd4 Ng4 19. Bb5 Nde5 20. Nxe5 Nxe5 21.
Qb2 f6 22. Bxe5 fxe5 23. c6 Bc8 24. Rfc1 Qb6 25. Qxe5 a4 26. Rc5 b3 27. Bc4+
Kh8 28. Qe7 Ba6 29. Bxa6 Rfe8 30. Qd6 Qxa6 31. Rg5 b2 32. Rb1 Qc4 0-1 

[Event "Gibraltar"]
[Site "Caleta ENG"]
[Date "2010.01.28"]
[Round "3"]
[White "Francois Marchand"]
[Black "Natalia Zhukova"]
[Result "0-1"]
[PlyCount "86"]
[WhiteElo "2244"]
[BlackElo "2462"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 O-O 14. O-O Nbd7
15. Qc2 h6 16. c5 Bc6 17. e4 Ra7 18. Nd2 Qa8 19. f4 a4 20. f5 b3 21. Qc4 Nxe4
22. Nxe4 Bxe4 23. Bxe4 Qxe4 24. Rfe1 Qd5 25. Rxa4 Rxa4 26. Qxa4 Ra8 27. Qb4
exf5 28. Re3 Rb8 29. Qa5 f4 30. Re1 f3 31. gxf3 Qxf3 32. Qc7 Qg4+ 33. Kf1 Qf3+
34. Kg1 Qg4+ 35. Kh1 Kh7 36. c6 Qf3+ 37. Kg1 Rb5 38. h4 Qg4+ 39. Kf2 Rf5+ 40.
Ke3 Nf6 41. Kd3 Qg2 42. Bc3 Rf3+ 43. Kc4 Rxc3+ 0-1 

[Event "Bundesliga 9798"]
[Site "Germany"]
[Date "1997.12.06"]
[Round "5"]
[White "Ellers, Holger"]
[Black "Stangl, Markus"]
[Result "0-1"]
[PlyCount "80"]
[WhiteElo "2405"]
[BlackElo "2530"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nc3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 O-O 14. O-O Nbd7
15. Re1 Ne4 16. Nd2 Nxd2 17. Qxd2 Qc7 18. e4 e5 19. Re3 exd4 20. Bxd4 Ne5 21.
f4 Nxd3 22. Qxd3 Qxf4 23. Rf1 Qh4 24. Bxg7 Kxg7 25. Rg3+ Kh8 26. Qd4+ f6 27.
Qd7 Qh6 28. Qxb7 Rab8 29. Qe7 b3 30. Rh3 Qg7 31. Qa3 Qa7+ 32. Kh1 Qb7 33. Qb2
a4 34. Re3 Qe7 35. c5 Qe5 36. Qa3 Qd4 37. Ree1 Qb4 38. Qxb4 Rxb4 39. e5 b2 40.
h3 a3 0-1 

[Event "Bundesliga 9899"]
[Site "Germany"]
[Date "1998.11.21"]
[Round "3"]
[White "Sadler, Matthew"]
[Black "Krasenkow, Michal"]
[Result "0-1"]
[PlyCount "78"]
[WhiteElo "2650"]
[BlackElo "2660"]
[ECO "D31"]
[Annotator "Stohl"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 {Sadler has never played the Slav gambit}
(4. e4 $5 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+ 8. Be2 {or} (8. Ne2 $5
{before. ({To his usual Meran-like}) }); 4. e3 {Krasenkov often reacts with}
4... f5 $5 {With the hemmed-in Bc1 the Stonewall setup is more justified. })
4... dxc4 $5 {Even here Krasenkov avoids the Meran and goes for the ultra-sharp
Noteboom variation.} 5. a4 (5. e4 $6 b5 6. Bg5 Qb6 $5 $15) 5... Bb4 6. e3 {Even
now} (6. e4 b5 {is connected with a pawn sacrifice.}) 6... b5 7. Bd2 (7. Ne5
Nf6 8. Qf3 Qd5 $1 9. Qg3 O-O $15) 7... a5 {Usually only a transposition of
moves is} (7... Bb7 8. b3 a5 9. axb5 {as only equal is} (9. bxc4 bxc4 $5 10.
Bxc4 Nf6 11. O-O O-O 12. Qe2 c5 13. dxc5 Nbd7 14. c6 Bxc6 15. Nd4 Bb7 16. Rfc1
Qe7 17. Bb5 Rfc8 $11 {Spraggett,K-Klinger,J/Wien op/1986/ ({A risky independent
try is}) }); 7... Qe7 $6 8. axb5 Bxc3 9. Bxc3 cxb5 10. d5 Nf6 11. d6 $1 Qb7 12.
b3 (12. Qd4 $5 {$44}) 12... O-O 13. Bxf6 gxf6 14. Qd4 e5 15. Qh4 Kg7 16. bxc4
bxc4 17. Bxc4 Qb4+ 18. Nd2 Qxd6 19. O-O f5 20. Rfd1 Nd7 21. Ne4 Qg6 22. Rd6 f6
23. Bd5 Rb8 24. Ng3 Kh8 25. h3 {Gurevich,M-Malisauskas,V/Lvov/1987/ }) 8. axb5
Bxc3 9. Bxc3 {Here the pawn sacrifice is more justified:} (9. bxc3 $5 cxb5 10.
Ne5 Nf6 11. Qf3 Qd5 (11... Ra7 12. Qg3 O-O 13. Nxc4 Nc6 $5 $13) 12. Qg3 O-O 13.
f3 Qd8 14. e4 Ne8 15. Be2 Bb7 16. O-O f6 17. Ng4 Nd7 18. Rab1 Ba6 19. Bc1 Kh8
20. Ba3 Rf7 21. f4 Qc7 22. Qh3 f5 23. Ne3 g6 24. d5 $1 {$36 {
Naumann,A-Lipinsky,F/JBL NO9596/1995/} }) 9... cxb5 10. b3 Bb7 11. bxc4 {The
first critical position. White has an even more aggressive choice:} (11. d5 $5
Nf6 12. bxc4 b4 13. Bxf6 Qxf6 14. Qa4+ Nd7 15. Nd4 e5 {Hazardous is} (15... Ke7
$6 16. d6+ Kxd6 17. Rd1 Rhd8 18. c5+ Nxc5 19. Qb5 Rdc8 20. Nf5+ Ke5 21. Nd6 Bd5
22. Nxc8 Rxc8 {Babula,V-Zurek,M/Pardubice op/1996/} 23. Qxa5 Qh4 $5 (23... b3
24. f3 $16; 23... Ne4 $2 24. f4+ Kf5 25. Rxd5+ $1 $18) 24. Qa1+ Kd6 25. Be2 $5
$14) 16. Nb3 Ke7 17. Be2 (17. Qb5 $6 Ba6 18. Qxa5 Rhb8 19. d6+ Ke8 $1 20. Qd5
Bb7 21. Qd2 Rxa1+ 22. Nxa1 Nc5 23. d7+ Kd8 24. Qxb4 Qd6 25. Qd2 Qa6 26. Qb2
Qa5+ 0-1 {, Serebrjanik,A-Maksimenko,A/Vrnjacka Banja/1991/}) 17... Rhc8 18.
Rd1 (18. Bg4 Qd6 19. Nxa5 Rc5 $5 20. Nxb7 Rxa4 21. Rxa4 Qg6 $1 22. O-O Qxg4 23.
Nxc5 Nxc5 24. Rxb4 Qe2 25. h3 g6 $17 {Naumann,A-Stangl,M/BL 9697/1996/}) 18...
Nc5 19. Nxc5 Rxc5 20. O-O {White's plan in this unbalanced situation is an
all-out attack against Black's K, while trying to keep Black's o^ a+b at bay as
long as possible. The conflict between White's central strategy and Black's
flank o^ is even sharper here, then after 12.bxc4.} 20... Kf8 $5 {It all went
nicely for White after} (20... Ra6 $2 21. Qc2 $1 a4 22. f4 b3 23. Qe4 Kd6 24.
Qxh7 e4 25. Qxe4 a3 26. Qd3 b2 27. Qb3 Bc8 28. Qb8+ Kd7 29. Bg4+ Kd8 30. d6 a2
31. d7 1-0 {,Gelfand,B-Piket,J/Amsterdam/1996/}) 21. f4 Rd8 22. Kh1 (22. Qa1
Re8 23. Qb1 Kg8 24. Bd3 h6 25. fxe5 Qxe5 26. Rf3 Ba6 27. Qa2 Qc3
{Gelfand,B-Vaisser,A/Cap d`Agde act/1996/}) 22... Kg8 23. Bd3 $13 e4 $6 24.
Bxe4 Rxc4 25. Bd3 Rc5 26. e4 Qc3 27. Bb5 f5 28. Qxa5 Rf8 29. Qb6 Ba8 30. Bd7
fxe4 31. Qd6 Rcc8 32. Bxc8 Qxc8 33. Qxb4 1-0
{,Nikolaidis,I-Mastrovasilis,D/Athens/1998/}) 11... b4 12. Bb2 Nf6 13. Bd3 Nbd7
{The attempt to force exchanges costs Black precious time, moreover Bb7 plays
an important role in the support of Black's pawns:} (13... Be4 $6 14. Bxe4 Nxe4
15. Qc2 Nf6 16. e4 Nfd7 17. O-O O-O 18. c5 Qc7 19. Rfc1 Rc8 20. Qd2 Ra6 21. h4
Nf6 22. d5 $1 Nxe4 23. Qd4 Nf6 24. d6 Qb7 25. Ne5 Nc6 26. Nxc6 Qxc6 27. g4 $1
{$40 {Knaak,R-Vera,R/Berlin/1982/} }) 14. O-O O-O {The basic position of this
line. What is stronger-the central pawns supported by a ^^, or the potentially
dangerous duo a+b? White's nearest task is to set his e-pawn in motion without
allowing Black a timely blockade by e5.} 15. Re1 {Today the main move. ({An
older continuation is}) } (15. Qc2 Qc7 16. e4 (16. c5 h6 17. e4 Bc6 $1 18. Rfb1
a4 19. Nd2 $13 (19. Bc1 $2 {Van Wely,L-Serper,G/Helsinki/1992/} 19... Qb7 $1
20. Nd2 b3 $19)) 16... e5 $1 17. Rfe1 h6 (17... Rfe8 18. c5 Ba6 $5 19. Bxa6
Rxa6 20. dxe5 Ng4 21. Red1 Ngxe5 22. Nxe5 Nxe5 23. Rd5 h6 24. h3 Rae6 {Bellon
Lopez,J-Flear,G/Bern/1992/}) 18. c5 exd4 19. Bxd4 Rfe8 20. e5 Nd5 21. e6 Rxe6
22. Rxe6 fxe6 23. Re1 Nf4 24. Be4 Rc8 25. g3 $5 (25. Ne5 $6 Bxe4 26. Qxe4 Nd5
$15) 25... Nh3+ 26. Kg2 Ng5 27. Nxg5 hxg5 28. Kg1 Bxe4 29. Qxe4 Qc6 30. Qg6 e5
1/2-1/2 {,Van Wely,L-Dorfman,J/Brusel zt/1993/} 31. Qxg5 Qf6 32. Qg4 exd4 33.
Qxd7 Rxc5 34. Qe8+ Qf8 35. Qg6 $1 Rc8 36. Qe6+ $11 {Then the interest shifted
to}; 15. Nd2 {Black must not allow f4, followed by a swift advance of the
e-pawn:} 15... e5 (15... Qc7 $6 16. f4 a4 17. e4 a3 18. Bc1 {+}; 15... Re8 $5
{/\} 16. f4 Nc5) 16. Re1 Qc7 17. Nf1 Rfe8 $1 18. Ng3 $5 (18. f3 $6 e4 19. Be2
exf3 20. gxf3 Nh5 21. c5 Re6 22. Bd3 Qd8 23. Qe2 Nf4 24. Qd2 Nxd3 25. Qxd3 Ne5
0-1 {,Hoeksema,H-Van der Werf,M/NLD-ch/1994/}) 18... a4 19. Rb1 b3 20. Ba3 g6
21. Qd2 Ba6 22. Rec1 h5 23. f3 Qa7 24. Qf2 $13
{Cramling,P-Gdanski,J/Osterskars/1995/}) 15... Ne4 $5 {Sometimes it takes a
long time to realize the simplest things. It's a good idea to prevent e4
literally manually! Krasenkov's following play is a model of central
restrainment strategy. ({Much weaker is the typical move}) } (15... Qc7 $6 16.
e4 e5 17. c5 $1 exd4 (17... Rfe8 18. Rc1 Ba6 19. c6 Nf8 20. Bxa6 Rxa6 21. d5
$16 {/+-}) 18. Rc1 Ne5 (18... Rac8 19. c6 $1 Bxc6 20. e5 Nd5 21. Nxd4 Nxe5 22.
Nxc6 {/\Qh5+-}; 18... Ng4 $2 19. c6 Bxc6 20. Bb5 {/\Nd4 These lines show the
difference compared to 15.Qc2-White's R is much more deadly on the c-file.})
19. c6 $1 Ba6 20. Bxa6 $1 (20. Nxe5 Qxe5 21. Bxa6 Rxa6 22. Qd3 Raa8 23. Bxd4
Qe6 24. Qb5 Rfc8 25. Bxf6 gxf6 26. e5 Rab8 27. Qxa5 Rxc6 28. exf6 Qxf6 29. Rxc6
Qxc6 30. Qg5+ Qg6 $11 {Bareev,E-Sveshnikov,E/Vienna/1996/}) 20... Nxf3+ (20...
Rxa6 21. Nxd4 Nxc6 22. e5 Nd7 23. e6 Nf6 24. exf7+ Kxf7 25. Qb3+ Kg6 26. Qd3+
1-0 {,Eriksson,J-Hellstrom,A/Haninge/1997/}) 21. Qxf3 Rxa6 22. e5 Ne8 23. Bxd4
Qc8 24. Bc5 Rxc6 25. Qe3 1-0 {,Chuzman,A-Koutsin,S/EUCup Olomouc/ 1996/ ({
Better, but less consequent is}) }; 15... Re8 16. c5 $1 Bc6 17. Bc2 {Also
interesting is the sharp} (17. e4 $5 a4 18. Bc2 Qc7 $5 19. e5 b3 $13
{Kogan,A-Nikolov,S/Bled op/1998/}) 17... Ne4 $1 {Even here this idea is the
most effective.} (17... Qb8 $6 18. e4 h6 19. Nd2 Qa7 20. Ba4 Qa6 21. Qe2 Qxe2
22. Rxe2 Nb8 {Prie,E-Van der Worm,T/Andorra/1997/} 23. Nc4 $16 {This game shows
another facet of White's strategy-a << blockade. Despite the exchange of Q the
_|_ is clearly in his favour.}) 18. Re2 (18. Ba4 Qc7 19. Nd2 Bxa4 20. Rxa4
Ndxc5 21. dxc5 Rad8 22. Bd4 Nxd2 23. Qxd2 e5 24. h3 h6 25. Rc1 exd4 26. exd4
Rd5 {Piket,J-Ivanchuk,V/Monte Carlo/1999/}) 18... Qc7 19. Nd2 $13
{1/2,Ionov,S-Popov,V/St Petersburg/1998/}; 15... Be4 $6 16. Bxe4 Nxe4 17. Qc2
Ndf6 18. Ne5 Qc7 19. f3 Nd6 {Halay,T-Grachev,B/Oropesa del Mar U12/1998/} 20.
c5 {As we already mentioned, the exchange of Bb7 practically stops Black's
pawns. }) 16. Nd2 $5 {Black's Ne4 is so unpleasant White doesn't shy away from
further exchanges to get rid of it. ({Another about equivalent possibility is})
} (16. c5 Bc6 17. Bc2 Qc7 18. Ba4 Rfc8 $11 {Compared to 15...Re8 Black has
saved a tempo and he has no problems.} (18... Rfb8 $5) 19. Bxc6 $6 Qxc6 20. Qa4
Qxa4 21. Rxa4 Ndxc5 $5 22. dxc5 Nxc5 23. Raa1 a4 24. Bd4 Nb3 $17 {Van
Beers-Kroeze/NLD-chT/1998/}; 16. Qc2 f5 $1 {doesn't solve White's problem with
the Ne4.} (16... Ndf6 $2 17. Ne5 $16)) 16... Nxd2 17. Qxd2 Qc7 18. c5 (18. e4
$2 e5 19. Re3 exd4 20. Bxd4 Ne5 $17 {Ellers,H-Stangl,M/BL 9798/1997/} (20...
Nc5 $5 {$36})) 18... f5 (18... e5 $6 19. Rac1 {/\c6}) 19. f3 {Tempting is} (19.
e4 $5 fxe4 {Insufficient is the tactical} (19... Nf6 20. exf5 Ng4 21. g3 $5
exf5 22. Qg5 $1 $16) 20. Bxe4 Bxe4 21. Rxe4 Nf6 (21... Qc6 22. Rae1 Rf6 $5 $13
(22... Rfe8 $2 23. d5)) 22. Rxe6 Ng4 23. Rd6 Rxf2 24. Qg5 $1 $13 (24. Qd1 $2
Rxg2+ $1 $19; 24. Qc1 $2 Qe7 $19)) 19... Nf6 20. Bc4 (20. e4 $6 {is now
premature} 20... fxe4 21. fxe4 Ng4 22. g3 Rf2 23. Re2 Raf8 {/\Nh2}; 20. h3 $5
$13 {with gradual central expansion deserved attention.}) 20... Bd5 21. Bxd5
(21. Bd3 Bc6 $1 {enables Black to place his B on a better square.}) 21... Nxd5
$5 (21... exd5 {seemingly buries the white B and wins the battle for e4. But
the position becomes too static and after} 22. Ra4 {or} (22. Qc2 $5 $14
{Black's pawns are stopped. White can gradually activate his B via e1 and
g3.})) 22. e4 $6 {This natural move is suprisingly connected with a rather high
degree of risk. ({More patient is the prophylactic}) } (22. Qc2 $1 $13 {Qa4
{Also playable is} }; 22. Ra4 e5 $5 23. dxe5 $5 (23. Rea1 e4; 23. e4 fxe4 24.
Rxe4 (24. fxe4 Nf4 $17) 24... Qc6) 23... Qxc5 24. Bd4 $11 { }) 22... fxe4 23.
fxe4 Nf6 24. h3 $2 {This move loses time and certainly deserves a
question-mark.} (24. d5 Ng4 $1 $17 (24... Qxc5+ $6 25. Bd4 $15 {White should
have played the consequent}); 24. Rac1 $1 {/\d5} 24... Ng4 25. g3 Rf2 26. Re2
Raf8 {Here Nh2 is not such a terrible threat, White seemingly has 2
alternatives:} 27. d5 $5 (27. c6 Nxh2 (27... a4 $5 $13) 28. Rxf2 Qxg3+ 29. Kh1
$5 (29. Rg2 Nf3+ 30. Kh1 $11) 29... Rxf2 30. Qxf2 Qxf2 31. c7 $11) 27... Nxh2
28. Rxf2 Qxg3+ 29. Rg2 Nf3+ 30. Kh1 Qh4+ (30... Qh3+ 31. Rh2 Nxh2 32. Qxh2 Rf1+
$11) 31. Rh2 Qxe4 32. Qe2 $1 (32. Qg2 $2 Ne1 $3 $19) 32... Ne1+ 33. Kg1 $1 Nf3+
$11) 24... Qc6 25. Qd3 $2 {And this costs the game for sure.} (25. d5 $1 Qxc5+
(25... exd5 26. Bxf6 Rxf6 27. Qxd5+ {/\Reb1 and Black's pawns are vulnerable}))
25... a4 26. d5 exd5 $1 (26... Qxc5+ $6 27. Bd4) 27. Bxf6 Qxf6 28. Qxd5+ (28.
exd5 $2 Qf2+ {/\Qc5 This is a key difference, compared to 25.d5!}) 28... Qf7
29. c6 b3 30. c7 {Slightly better was the passive} (30. Reb1 Rfd8 31. Qc5 (31.
Qxf7+ $6 Kxf7 32. Ra3 Ke6 $19) 31... h6 $5 $17 {/-+,/\Rdc8,Ra6 Black gradually
surrounds and captures Pc6.} (31... Qa7 $2 32. Qxa7 Rxa7 33. c7 $11
{/\Ra4,Rb3.}); 30. Rf1 Qxd5 31. exd5 b2 32. Rxf8+ Kxf8 33. Rf1+ Ke7 $19; 30.
Ra3 Rfd8 31. Qc5 Rd2 (31... Qa7 $5 $19) 32. c7 Rc8 33. Rxa4 Qxc7 34. Qxc7 Rxc7
$19 {_|_,o^b3,/\Rcc2}) 30... Rfc8 31. Rac1 b2 $1 $19 {This temporary
R-sacrifice is decisive.} 32. Qxa8 (32. Rc6 Qxd5 33. exd5 a3 $19) 32... Rxa8
33. c8=Q+ Rxc8 34. Rxc8+ Qf8 35. Rxf8+ Kxf8 36. Rb1 a3 37. Kf2 Ke7 38. Ke3 a2
39. Rxb2 a1=Q 0-1 

[Event "Warsaw"]
[Site "?"]
[Date "1929.??.??"]
[Round "?"]
[White "Glucksberg"]
[Black "Najdorf"]
[Result "0-1"]
[PlyCount "44"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Nf3 d5 5. e3 c6 6. Bd3 Bd6 7. O-O O-O 8. Ne2
Nbd7 9. Ng5 Bxh2+ 10. Kh1 Ng4 11. f4 Qe8 12. g3 Qh5 13. Kg2 Bg1 14. Nxg1 Qh2+
15. Kf3 e5 16. dxe5 Ndxe5+ 17. fxe5 Nxe5+ 18. Kf4 Ng6+ 19. Kf3 f4 20. exf4 Bg4+
21. Kxg4 Ne5+ 22. fxe5 h5# 0-1 

[Event "Berlijn open"]
[Site "?"]
[Date "1996.08.00"]
[Round "1"]
[White "Berberich, C"]
[Black "Rabiega, R"]
[Result "0-1"]
[PlyCount "70"]
[BlackElo "2475"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 dxc4 5. e3 a6 6. Bxc4 c5 7. O-O b5 8. Bb3
Bb7 9. Qe2 Nbd7 10. Rd1 Qb8 11. e4 cxd4 12. Nxd4 b4 13. Na4 Bd6 14. g3 O-O 15.
f3 Nc5 16. Nxc5 Bxc5 17. Be3 Qe5 18. Rac1 Rfd8 19. Nc6 Bxe3+ 20. Qxe3 Rxd1+ 21.
Bxd1 Bxc6 22. Rxc6 Qxb2 23. Qc5 g6 24. Bb3 Rd8 25. Rc8 Rxc8 26. Qxc8+ Kg7 27.
Qxa6 h5 28. Qb7 Qd4+ 29. Kg2 Nd7 30. Qb5 Nc5 31. Bc4 g5 32. h4 g4 33. Be2 e5
34. fxg4 Nxe4 35. Kh3 hxg4+ 0-1 

[Event "Polanica Zdroj"]
[Site "?"]
[Date "1992.??.??"]
[Round "1"]
[White "Szopieraj, Dariusz"]
[Black "Matlak, M"]
[Result "0-1"]
[PlyCount "94"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. Qc2 O-O
15. e4 e5 16. d5 Qc7 17. O-O Rfe8 18. Rfe1 Nc5 19. Bc1 Nfd7 20. Bf1 Reb8 21.
Nh4 Bc8 22. Nf5 Nf8 23. Be3 Bxf5 24. exf5 Nfd7 25. f4 exf4 26. Bd4 Qd6 27. f6
a4 28. Qf5 Nb3 29. Qg5 Nxf6 30. Be5 Qb6+ 31. c5 Nxc5 32. Kh1 Re8 33. Rac1 Ncd7
34. Rc6 Qf2 35. Rcc1 Nxe5 36. Rxe5 h6 37. Qf5 Rxe5 38. Qxe5 Qd2 39. Qc7 Nxd5
40. Qc6 Rd8 41. Ba6 b3 42. Rf1 Ne3 43. Rg1 b2 44. Qb6 a3 45. Qb3 Nd1 46. h3 Nc3
47. Kh2 a2 0-1 

[Event "Vrnjacka Banja"]
[Site "?"]
[Date "1991.04.00"]
[Round "1"]
[White "Serebrjanik, A"]
[Black "Maksimenko, A"]
[Result "0-1"]
[PlyCount "52"]
[WhiteElo "2390"]
[BlackElo "2370"]

1. c4 c6 2. d4 d5 3. Nf3 e6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. d5 Nf6 12. bxc4 b4 13. Bxf6 Qxf6 14. Qa4+ Nd7
15. Nd4 e5 16. Nb3 Ke7 17. Qb5 Ba6 18. Qxa5 Rhb8 19. d6+ Ke8 20. Qd5 Bb7 21.
Qd2 Rxa1+ 22. Nxa1 Nc5 23. d7+ Kd8 24. Qxb4 Qd6 25. Qd2 Qa6 26. Qb2 Qa5+ 0-1 

[Event "Bundesliga 9697"]
[Site "Germany"]
[Date "1996.??.??"]
[Round "?"]
[White "Naumann, Alexander"]
[Black "Stangl, Markus"]
[Result "1/2-1/2"]
[PlyCount "107"]
[WhiteElo "2365"]
[BlackElo "2565"]
[ECO "D31"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. d5 Nf6 12. bxc4 b4 13. Bxf6 Qxf6 14. Qa4+ Nd7
15. Nd4 e5 16. Nb3 Ke7 17. Be2 Rhc8 18. Bg4 Qd6 19. Nxa5 Rc5 20. Nxb7 Rxa4 21.
Rxa4 Qg6 22. O-O Qxg4 23. Nxc5 Nxc5 24. Rxb4 Qe2 25. h3 g6 26. Ra1 Ne4 27. Rf1
h5 28. Rb7+ Kf6 29. Rb6+ Kf5 30. Rc6 f6 31. Rc7 Qd3 32. c5 Qxd5 33. f3 Nxc5 34.
e4+ Nxe4 35. fxe4+ Kxe4 36. Rxf6 Qd4+ 37. Kh2 Qd8 38. Rcf7 g5 39. Rf1 Qd2 40.
R7f2 Qe3 41. Rf3 Qd2 42. Ra1 Qb4 43. Rff1 g4 44. hxg4 hxg4 45. Rae1+ Kd4 46.
Kg3 Qb2 47. Rd1+ Ke4 48. Rfe1+ Kf5 49. Re3 Qb4 50. Rf1+ Qf4+ 51. Rxf4+ exf4+
52. Kf2 fxe3+ 53. Kxe3 Ke5 54. g3 1/2-1/2 

[Event "EU-ch Rapid-30'"]
[Site "Cap d'Agde"]
[Date "1996.??.??"]
[Round "?"]
[White "Gelfand, Boris"]
[Black "Vaisser, Anatoli"]
[Result "1/2-1/2"]
[PlyCount "123"]
[WhiteElo "2665"]
[BlackElo "2565"]
[ECO "D31"]

1. Nf3 d5 2. d4 c6 3. c4 e6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. d5 Nf6 12. bxc4 b4 13. Bxf6 Qxf6 14. Qa4+ Nd7
15. Nd4 e5 16. Nb3 Ke7 17. Be2 Rhc8 18. O-O Nc5 19. Nxc5 Rxc5 20. Rad1 Kf8 21.
f4 Rd8 22. Qa1 Re8 23. Qb1 Kg8 24. Bd3 h6 25. fxe5 Qxe5 26. Rf3 Ba6 27. Qa2 Qc3
28. Qf2 Bxc4 29. Bxc4 Qxc4 30. Rxf7 Rxd5 31. Rf1 Rde5 32. Ra7 b3 33. h4 a4 34.
Rd1 Qg4 35. Rdd7 Rxe3 36. Qf7+ Kh8 37. Qxg7+ Qxg7 38. Rxg7 R3e7 39. Rgxe7 Rxe7
40. Rxe7 b2 41. Rb7 a3 42. Kh2 a2 43. Rxb2 a1=Q 44. Rf2 Kg7 45. g3 Kg6 46. Rf4
Qb2+ 47. Kg1 Qe2 48. Kh1 Qe3 49. Kg2 Qe6 50. Kh2 Qd7 51. Kg2 Kh5 52. Kh2 Qd2+
53. Kg1 Qe2 54. Kh1 Qb5 55. Kg2 Qd7 56. Kh2 Qe6 57. Kg2 Qe2+ 58. Kg1 Qd3 59.
Kg2 Qd5+ 60. Kg1 Kg6 61. Kh2 Qd7 62. Kg2 1/2-1/2 

[Event "GRE-ch 48th"]
[Site "Athens"]
[Date "1998.12.16"]
[Round "4"]
[White "Nikolaidis, Ioannis"]
[Black "Mastrovasilis, Dimitrios"]
[Result "1-0"]
[PlyCount "65"]
[WhiteElo "2530"]
[BlackElo "2280"]
[ECO "D31"]
[Annotator "Kortschnoj"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. d5 $5 {An interesting deviation from the usual
line} (11. bxc4 b4 12. Bb2 {and so on.}) 11... Nf6 12. bxc4 b4 13. Bxf6 Qxf6
{An alternative} (13... gxf6 {is of about the same value.}) 14. Qa4+ Nd7 15.
Nd4 e5 {It is forced: ({if}) } (15... exd5 {then} 16. c5 {is strong ,or}; 15...
Ke7 16. d6+ Kxd6 17. Rd1 {with a strong attack.}) 16. Nb3 Ke7 17. Be2 Rhc8 18.
O-O Nc5 {It seems,it is the only way to repel two threats - Bg4 or Nxa5.} 19.
Nxc5 Rxc5 20. Rad1 {With the king on g8 black would stand quite
satisfactorily...} 20... Kf8 21. f4 $1 {but here white develops strong
initiative.} 21... Rd8 {In my opinion 21...Re8 was preferable.} 22. Kh1 Kg8 23.
Bd3 e4 {Black would like to create on the board a sharp tactical position.
23...De7 was more solid.} 24. Bxe4 Rxc4 25. Bd3 Rc5 26. e4 Qc3 27. Bb5 f5 $2 {A
losing move. ({ After}) } (27... Qa3 $1 {black still had good chances to save
the game.}) 28. Qxa5 Rf8 29. Qb6 Ba8 30. Bd7 fxe4 31. Qd6 Rcc8 32. Bxc8 Qxc8
33. Qxb4 1-0 

[Event "Politiken Cup 12th"]
[Site "Copenhagen"]
[Date "1990.??.??"]
[Round "3"]
[White "Fedder, Steen"]
[Black "Arnason, Throstur"]
[Result "1/2-1/2"]
[PlyCount "54"]
[WhiteElo "2400"]
[BlackElo "2235"]
[ECO "D31"]

1. d4 e6 2. c4 d5 3. Nf3 c6 4. Nc3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 Bb7 8. b3 a5
9. axb5 Bxc3 10. Bxc3 cxb5 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 O-O 14. O-O Nbd7 15.
Qc2 h6 16. e4 e5 17. c5 Rc8 18. Rfe1 exd4 19. Bxd4 Nxc5 20. Bxc5 Nd7 21. Bxf8
Rxc2 22. Bxb4 axb4 23. Bxc2 Nc5 24. Rad1 Qb6 25. Nd4 Ba6 26. Re3 Bc4 27. h3 g6
1/2-1/2 

[Event "FIN-chT qual"]
[Site "Finland"]
[Date "2003.??.??"]
[Round "?"]
[White "Henttinen, Markku IO"]
[Black "Lampen, Timo"]
[Result "0-1"]
[PlyCount "108"]
[WhiteElo "2301"]
[BlackElo "2339"]
[ECO "D31"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 dxc4 5. a4 Bb4 6. Bd2 a5 7. e3 b5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O
15. Qc2 h6 16. e4 e5 17. c5 Rc8 18. Nxe5 Nxe5 19. dxe5 Nd7 20. Bd4 Qc7 21. f4
Rfd8 22. Rfc1 Nf8 23. Be3 Bc6 24. Bc4 Ra8 25. Bb3 Qb7 26. Ba4 Ne6 27. Qc4 Bxa4
28. Rxa4 Qc6 29. Ra2 Nc7 30. Rca1 Qg6 31. Rxa5 Rxa5 32. Rxa5 Rd1+ 33. Kf2 Qh5
34. h3 Qh4+ 35. Ke2 Qe1+ 36. Kf3 b3 37. Qxb3 Qf1+ 38. Kg3 Rd3 39. Ra1 Rxb3 40.
Rxf1 Rxe3+ 41. Rf3 Rxe4 42. Rc3 Kf8 43. c6 Ke8 44. Rd3 Rc4 45. Rd6 Nb5 46. Rd5
Na7 47. Rd7 Nxc6 48. Rb7 Nd8 49. Ra7 Rd4 50. Kf3 Ne6 51. g3 Rd3+ 52. Kg4 g6 53.
Ra8+ Ke7 54. Rh8 Ng7 0-1 

[Event "Moscow ol (Women)"]
[Site "Moscow"]
[Date "1994.??.??"]
[Round "12"]
[White "Matveeva, Svetlana"]
[Black "Polgar, Zsuzsa"]
[Result "0-1"]
[PlyCount "68"]
[WhiteElo "2450"]
[BlackElo "2550"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. bxc3 cxb5 10. Ne5 Nf6 11. Rb1 Ba6 12. Be2 O-O 13. f4 Ne4 14. Bf3 Nxd2
15. Qxd2 Ra7 16. d5 exd5 17. Bxd5 Kh8 18. Rd1 Qe8 19. Kf2 f6 20. Qd4 Re7 21.
Nf7+ Rexf7 22. Bxf7 Qxf7 23. Qb6 Bb7 24. Rd4 Nc6 25. Rd6 Ne5 26. Ra1 Be4 27.
Rd8 Nd3+ 28. Ke2 h6 29. Rxf8+ Qxf8 30. Qxb5 Qc8 31. f5 Bxf5 32. Rxa5 Be4 33.
Qh5 Bxg2 34. Ra7 Qb8 0-1 

[Event "Copenhagen Johansen"]
[Site "Copenhagen"]
[Date "1990.??.??"]
[Round "2"]
[White "Stempin, Pawel"]
[Black "Weyrich, Morten"]
[Result "0-1"]
[PlyCount "84"]
[WhiteElo "2450"]
[BlackElo "2330"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. bxc3 cxb5 10. Ne5 Nf6 11. Qb1 Bd7 12. Be2 O-O 13. O-O Nc6 14. Nxd7 Qxd7
15. f4 Rab8 16. Qc2 Rfc8 17. Bf3 b4 18. Rfd1 bxc3 19. Bxc3 Nd5 20. e4 Ne3 21.
Qd2 Nxd1 22. Rxd1 Qa7 23. Kh1 Nb4 24. f5 exf5 25. exf5 f6 26. Ra1 Nd3 27. Bd5+
Kh8 28. Be6 Rc6 29. Qc2 a4 30. h3 a3 31. Bd5 Rcc8 32. Be6 Rc7 33. Qe2 Qa6 34.
Rf1 Rb2 35. Qe3 Qc6 36. d5 Qd6 37. Ra1 Rcb7 38. Bxb2 axb2 39. Rb1 Qf4 40. Qxf4
Nxf4 41. d6 c3 42. d7 Rxd7 0-1 

[Event "Linares Anibal op 8th"]
[Site "Linares"]
[Date "2001.01.14"]
[Round "7"]
[White "Jobava, Baadur"]
[Black "Bacrot, Etienne"]
[Result "0-1"]
[PlyCount "106"]
[WhiteElo "2518"]
[BlackElo "2618"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e4 b5 6. a4 Bb4 7. Bd2 Nf6 8. Qb1 a6
9. Be2 Bb7 10. O-O Be7 11. Rd1 Nbd7 12. Bg5 h6 13. Bh4 O-O 14. Bg3 Qb6 15. h3
Rfe8 16. b3 cxb3 17. Qxb3 b4 18. e5 Nh5 19. Bh2 bxc3 20. Qxb6 Nxb6 21. Rdb1 c2
22. Rxb6 Ba3 23. Rxb7 Reb8 24. Bxa6 Rxb7 25. Bxb7 Rb8 26. Ne1 c1=Q 27. Rxc1
Bxc1 28. Bxc6 Rb1 29. Kf1 Bd2 30. Ke2 Bxe1 31. g4 Bc3 32. Kd3 Ba1 33. gxh5 Rb4
34. a5 Rxd4+ 35. Ke2 Rc4 36. Bb7 Bd4 37. a6 Ba7 38. Kf3 Kf8 39. Bf4 Bxf2 40.
Bxh6 gxh6 41. Kxf2 Ra4 42. Kg3 Ke7 43. Kf3 Kd7 44. Ke3 Kc7 45. Kd3 Kb6 46. Bc8
Rh4 47. Bd7 Rxh3+ 48. Ke4 Rh4+ 49. Kd3 Rxh5 50. Kd4 Kxa6 51. Be8 Rf5 52. Bc6
Kb6 53. Be4 Rf4 0-1 

[Event "Katowice"]
[Site "?"]
[Date "1992.??.??"]
[Round "1"]
[White "Jasnikowski, Z"]
[Black "Scherbakov, Ruslan"]
[Result "0-1"]
[PlyCount "84"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O
15. Qc2 Qc7 16. e4 e5 17. c5 exd4 18. Bxd4 h6 19. Rfc1 Bc6 20. e5 Nd5 21. Bc4
Rfe8 22. Qe4 Qb7 23. Qg4 Re6 24. Nh4 Nxe5 25. Bxe5 Rxe5 26. Nf5 g6 27. Nxh6+
Kh7 28. Qd4 Rae8 29. Ng4 Re4 30. Nf6+ Nxf6 31. Qxf6 Qe7 32. Qxc6 Rxc4 33. h3
Rc3 34. Rxc3 bxc3 35. Qa4 Rc8 36. c6 Qe6 37. Qh4+ Kg7 38. Qd4+ Qf6 39. Qxf6+
Kxf6 40. Rxa5 Rxc6 41. Ra1 c2 42. Rc1 Ke5 0-1 

[Event "Nova Gorica open"]
[Site "?"]
[Date "1997.02.02"]
[Round "1"]
[White "Krizsany, L"]
[Black "Sveshnikov, E"]
[Result "0-1"]
[PlyCount "78"]
[WhiteElo "2435"]
[BlackElo "2560"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. Qc2 Qc7
15. O-O O-O 16. e4 e5 17. c5 exd4 18. Bxd4 h6 19. Rfe1 Rfe8 20. e5 Nd5 21. Bb5
Re6 22. Qf5 Ne7 23. Qg4 Nf8 24. Bc4 Rg6 25. Qh3 Ne6 26. Be3 Nd5 27. Nh4 Nxe3
28. Rxe3 Ng5 29. Qf5 Rc6 30. f4 Rxc5 31. Bb3 Rc1+ 32. Rxc1 Qxc1+ 33. Kf2 Ne4+
34. Rxe4 Qc3 35. Qg4 Bc8 36. f5 Qd3 37. Rf4 Ba6 38. Bd1 b3 39. f6 g5 0-1 

[Event "Manresa op"]
[Site "?"]
[Date "1993.??.??"]
[Round "1"]
[White "Spraggett, K"]
[Black "Semkov, S"]
[Result "1-0"]
[PlyCount "83"]

1. d4 d5 2. Nf3 c6 3. c4 e6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. Qc2 O-O
15. O-O Qc7 16. e4 e5 17. c5 exd4 18. Bxd4 h6 19. Rac1 Bc6 20. Rfe1 Rfe8 21. h3
a4 22. e5 b3 23. Qb1 Nh5 24. Bc4 Nf8 25. Qf5 g6 26. Qg4 Ne6 27. Bxe6 Rxe6 28.
Nd2 Bd5 29. Re3 Qb8 30. Rb1 Qb4 31. Ne4 a3 32. Bc3 a2 33. Rd1 b2 34. Nf6+ Nxf6
35. Qxb4 a1=Q 36. Rxa1 Rxa1+ 37. Re1 Rxe1+ 38. Bxe1 Rxe5 39. Bc3 Re6 40. Bxb2
Ne8 41. Qd2 Be4 42. f3 1-0 

[Event "Hamburg"]
[Site "?"]
[Date "1994.??.??"]
[Round "1"]
[White "Trisic, Alexander"]
[Black "Lindner"]
[Result "1-0"]
[PlyCount "101"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. Qc2 O-O
15. O-O Qc7 16. e4 e5 17. c5 exd4 18. Bxd4 h6 19. e5 Nd5 20. Bc4 Qc6 21. Qf5
Qe6 22. Qe4 Rfc8 23. Bd3 Nf8 24. Nd2 Bc6 25. f4 Nc3 26. Qe3 Qd5 27. Nf3 Nb5 28.
Rac1 Nxd4 29. Qxd4 Ne6 30. Qe3 Nxf4 31. Bc4 Qe4 32. Qxe4 Bxe4 33. Nd2 Nd3 34.
Bxf7+ Kh8 35. Nxe4 Nxc1 36. Rxc1 a4 37. Nd6 Rc7 38. Bd5 Ra5 39. e6 b3 40. Ne4
b2 41. Rd1 a3 42. Ba2 Ra8 43. Rd7 Rcc8 44. e7 Rcb8 45. Kf2 b1=Q 46. Bxb1 a2 47.
Rd8+ Rxd8 48. exd8=Q+ Rxd8 49. Bxa2 Kh7 50. c6 Kg6 51. Be6 1-0 

[Event "RUS-ch sf"]
[Site "Ufa"]
[Date "1999.??.??"]
[Round "7"]
[White "Zaichko, Andrey"]
[Black "Karpeshov, Oleg"]
[Result "0-1"]
[PlyCount "73"]
[BlackElo "2441"]
[ECO "D31"]

1. c4 e6 2. Nc3 d5 3. d4 c6 4. Nf3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O
15. Qc2 Qc7 16. e4 e5 17. c5 exd4 18. Bxd4 h6 19. e5 Nd5 20. e6 fxe6 21. c6
Bxc6 22. Rfc1 Ne7 23. Bh7+ Kh8 24. Be4 Rac8 25. Qb2 Rf7 26. Qa2 Qd6 27. Rd1 Nd5
28. Bxd5 Bxd5 29. Qxa5 Qe7 30. Ne5 Nxe5 31. Bxe5 Qg5 32. Bg3 b3 33. Qb4 Rb7 34.
Qd4 b2 35. Rab1 Rc1 36. h4 Rxb1 37. Rxb1 0-1 

[Event "NOR-ch"]
[Site "Gausdal"]
[Date "1999.07.06"]
[Round "5"]
[White "Nordahl, Helge Andreas"]
[Black "Leer Salvesen, Bjarte"]
[Result "1-0"]
[PlyCount "61"]
[WhiteElo "2256"]
[BlackElo "2261"]
[ECO "D31"]

1. d4 e6 2. c4 d5 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. Qc2 O-O
15. e4 e5 16. O-O Qc7 17. c5 exd4 18. Bxd4 h6 19. e5 Nd5 20. e6 fxe6 21. c6
Bxc6 22. Rac1 Ne7 23. Nh4 Rac8 24. Qe2 e5 25. Bc5 Nxc5 26. Rxc5 Qd6 27. Rxe5
Qf6 28. Rxe7 Rce8 29. Ng6 Qd6 30. Re1 Qd5 31. Bc4 1-0 

[Event "Kval Svenska Cupen"]
[Site "Norrkping (Kval Svenska Cupen (Norrkping))"]
[Date "????.??.??"]
[Round "?"]
[White "L Didriksson"]
[Black "J Nyander"]
[Result "0-1"]
[PlyCount "96"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. Qc2 Qc7
15. e4 e5 16. O-O O-O 17. c5 exd4 18. Bxd4 h6 19. Rfc1 Bc6 20. Qb2 Rfe8 21. Nd2
Reb8 22. Nc4 Bb5 23. Ne5 Bxd3 24. Nxd3 Qc6 25. f3 Rd8 26. Ne5 Nxe5 27. Bxe5 Ne8
28. Bg3 Nc7 29. Bxc7 Qxc7 30. Ra4 Rdc8 31. Qd4 Qc6 32. Raa1 b3 33. Rab1 a4 34.
Qb4 Rcb8 35. Qa3 Ra5 36. Rc3 Ra6 37. Rd3 Qb5 38. Rd4 Ra5 39. Rd5 Qc6 40. Kh1
Rbb5 41. h4 Rxc5 42. Rd8+ Kh7 43. Rbd1 Qf6 44. Qb4 Rab5 45. Qxa4 b2 46. Qa2
Qxh4+ 47. Kg1 Qxd8 48. Rxd8 b1=Q+ 0-1 

[Event "SWE Cup q"]
[Site "Norrkoeping"]
[Date "1998.??.??"]
[Round "?"]
[White "Didriksson, L."]
[Black "Nyander, Joakim"]
[Result "0-1"]
[PlyCount "96"]
[BlackElo "2195"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. Qc2 Qc7
15. e4 e5 16. O-O O-O 17. c5 exd4 18. Bxd4 h6 19. Rfc1 Bc6 20. Qb2 Rfe8 21. Nd2
Reb8 22. Nc4 Bb5 23. Ne5 Bxd3 24. Nxd3 Qc6 25. f3 Rd8 26. Ne5 Nxe5 27. Bxe5 Ne8
28. Bg3 Nc7 29. Bxc7 Qxc7 30. Ra4 Rdc8 31. Qd4 Qc6 32. Raa1 b3 33. Rab1 a4 34.
Qb4 Rcb8 35. Qa3 Ra5 36. Rc3 Ra6 37. Rd3 Qb5 38. Rd4 Ra5 39. Rd5 Qc6 40. Kh1
Rbb5 41. h4 Rxc5 42. Rd8+ Kh7 43. Rbd1 Qf6 44. Qb4 Rab5 45. Qxa4 b2 46. Qa2
Qxh4+ 47. Kg1 Qxd8 48. Rxd8 b1=Q+ 0-1 

[Event "Vitinia op 10th"]
[Site "Vitinia"]
[Date "1998.??.??"]
[Round "?"]
[White "Monteleone, Antonio"]
[Black "Ortega, Lexy"]
[Result "0-1"]
[PlyCount "73"]
[WhiteElo "2165"]
[BlackElo "2475"]
[ECO "D31"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Nc3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O
15. Qc2 Qc7 16. e4 e5 17. c5 exd4 18. Bxd4 h6 19. Rfc1 Bc6 20. Qb2 Rfe8 21. Nd2
Ne5 22. Bb1 g5 23. f3 Nh5 24. Nf1 Nf4 25. Rd1 Bb5 26. Ne3 Nc4 27. Qc2 b3 28.
Qxb3 Ne2+ 29. Kf2 Nxd4 30. Rxd4 Qe5 31. Qc3 Nxe3 32. Kxe3 Rac8 33. Rxa5 Rxc5
34. Qb4 Rec8 35. g3 Qc7 36. Rxb5 Rxb5 37. Qxb5 0-1 

[Event "Bundesliga2 West 9697"]
[Site "Bundesliga2 West 9697"]
[Date "????.??.??"]
[Round "?"]
[White "Haba, Petr <CZE GM>"]
[Black "Kuijf, Marinus"]
[Result "0-1"]
[PlyCount "76"]
[ECO "D31"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O
15. Qc2 Qc7 16. e4 e5 17. c5 exd4 18. Bxd4 h6 19. Rfc1 Bc6 20. Qb2 Rfe8 21. e5
Ng4 22. Bf5 Ndxe5 23. Nxe5 Nxe5 24. f4 Ng6 25. Bxg7 Qxf4 26. Bxg6 Qe3+ 27. Kh1
fxg6 28. Bd4 Qe4 29. Qf2 Rad8 30. Rd1 a4 31. h3 Rf8 32. Qa2+ b3 33. Qb2 Qc2 34.
Rac1 Qxb2 35. Bxb2 Rxd1+ 36. Rxd1 Rf2 37. Rd8+ Kf7 38. Bd4 b2 0-1 

[Event "BL2-West 9697"]
[Site "Germany"]
[Date "1997.??.??"]
[Round "?"]
[White "Haba, Petr"]
[Black "Kuijf, Marinus"]
[Result "0-1"]
[PlyCount "76"]
[WhiteElo "2520"]
[BlackElo "2475"]
[ECO "D31"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O
15. Qc2 Qc7 16. e4 e5 17. c5 exd4 18. Bxd4 h6 19. Rfc1 Bc6 20. Qb2 Rfe8 21. e5
Ng4 22. Bf5 Ndxe5 23. Nxe5 Nxe5 24. f4 Ng6 25. Bxg7 Qxf4 26. Bxg6 Qe3+ 27. Kh1
fxg6 28. Bd4 Qe4 29. Qf2 Rad8 30. Rd1 a4 31. h3 Rf8 32. Qa2+ b3 33. Qb2 Qc2 34.
Rac1 Qxb2 35. Bxb2 Rxd1+ 36. Rxd1 Rf2 37. Rd8+ Kf7 38. Bd4 b2 0-1 

[Event "Elenite op"]
[Site "Elenite"]
[Date "1993.??.??"]
[Round "7"]
[White "Dragiev, Veselin"]
[Black "Semkov, Semko"]
[Result "0-1"]
[PlyCount "106"]
[WhiteElo "2260"]
[BlackElo "2465"]
[ECO "D31"]

1. c4 e6 2. d4 d5 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O
15. Qc2 Qc7 16. e4 e5 17. c5 exd4 18. Bxd4 h6 19. Rfc1 Bc6 20. Qb2 Rfe8 21. Re1
Bxe4 22. Bxe4 Rxe4 23. Rxe4 Nxe4 24. Bxg7 Qxc5 25. Bxh6 Qc3 26. Qb1 b3 27. Ra4
Ra6 28. Be3 Ndc5 29. Rd4 Rd6 30. Rxd6 Nxd6 31. Bd2 Qc2 32. Qxc2 bxc2 33. Nd4
Nc4 34. Bg5 Ne6 35. Nxc2 Nxg5 36. Kf1 Ne6 37. Ke2 Nc5 38. g4 a4 39. h4 a3 40.
Nb4 Ne5 41. g5 Nc6 42. Na2 Na6 43. f4 Nab4 44. Nc1 a2 45. Nxa2 Nxa2 46. Kf3 Nc3
47. f5 Ne7 48. Kf4 Ne2+ 49. Ke5 Ng3 50. g6 Nxg6+ 51. fxg6 fxg6 52. Kf4 Nh5+ 53.
Kg5 Kg7 0-1 

[Event "Foxwoods op 06th"]
[Site "Connecticut"]
[Date "2004.04.08"]
[Round "2"]
[White "Braunlich, Tom"]
[Black "Milman, Lev"]
[Result "1/2-1/2"]
[PlyCount "52"]
[BlackElo "2383"]
[ECO "D31"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O
15. Qc2 Qc7 16. e4 e5 17. c5 exd4 18. Bxd4 h6 19. Rfc1 Bc6 20. Qb2 Rfe8 21. Re1
Qb7 22. Ne5 Nxe5 23. Bxe5 Qe7 24. Bd6 Qb7 25. Be5 Qe7 26. Bd6 Qb7 1/2-1/2 

[Event "RUS-ch Seniors"]
[Site "Tula"]
[Date "2004.05.15"]
[Round "6"]
[White "Leonidov, Vitaly F"]
[Black "Khavsky, Sergey V"]
[Result "0-1"]
[PlyCount "51"]
[WhiteElo "2410"]
[BlackElo "2322"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 O-O 14. Qc2 Nbd7
15. e4 e5 16. O-O Qc7 17. c5 exd4 18. Bxd4 h6 19. Rfc1 Bc6 20. Qb2 Rfe8 21. h3
Nh5 22. Nd2 Nf4 23. Bf1 Ne5 24. Bxe5 Rxe5 25. Qd4 Nxh3+ 26. gxh3 0-1 

[Event "Cork Congress"]
[Site "?"]
[Date "2010.??.??"]
[Round "?"]
[White "Bernev"]
[Black "Baburin"]
[Result "0-1"]
[PlyCount "72"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e4 b5 6. Bg5 Qb6 7. Be2 Nd7 (7...
Bb7) 8. d5 cxd5 9. exd5 e5 10. O-O Ngf6 (10... f6 11. Be3 Bc5) 11. a4 b4 12. a5
(12. Nb1 Ba6) 12... Qb8 13. Nb1 Bd6 14. h3 O-O 15. Bxc4 Ne4 $11 16. Be3 Ndf6
17. Nbd2 Bf5 18. Nxe4 Bxe4 19. Bg5 Nd7 20. Re1 Nc5 21. Be3 Bxf3 22. Qxf3 Qc7
23. Rec1 Qe7 24. Qh5 Kh8 25. Re1 f5 26. Re2 a6 27. Qg5 Qc7 28. Bxc5 Bxc5 29.
Rc2 e4 30. Rac1 Qe5 31. Bb3 Bd6 32. Rc6 Qh2+ 33. Kf1 Bf4 34. Qe7 Bxc1 35. Rc7
Bxb2 36. d6 Bf6 0-1 

[Event "Marianska Lazna Open"]
[Site "?"]
[Date "2010.01.00"]
[Round "?"]
[White "Tedchik, Bahumil"]
[Black "Darbinian, George"]
[Result "0-1"]
[PlyCount "66"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e3 b5 6. Bd2 Bb4 7. a3 Bxc3 8. Bxc3
Nf6 $11 9. Nd2 O-O 10. Be2 Bb7 11. Bf3 Nbd7 12. O-O Qc7 13. Qc2 a6 $17 {black
has an extra pawn.} 14. Rfe1 Rfd8 15. b4 $6 e5 $1 16. dxe5 Nxe5 17. Be2 Neg4
18. Bxg4 Nxg4 19. g3 Rd3 20. Ne4 Rd5 21. h4 h6 22. Nc5 Rad8 23. Rad1 Nxe3 $19
24. Rxe3 Rxd1+ 25. Kg2 R1d5 26. Qe2 Bc8 27. Re7 Qd6 28. Re8+ Rxe8 29. Qxe8+ Qf8
30. Qxc6 Rd6 31. Qe4 Qd8 32. Qe5 Rf6 33. Bd4 Bg4 0-1 

[Event "Hamilton"]
[Site "?"]
[Date "1994.??.??"]
[Round "1"]
[White "Leveille, Francois"]
[Black "Lesiege, A"]
[Result "0-1"]
[PlyCount "40"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+
8. Be2 c5 9. Bc3 Nc6 10. Nf3 f6 11. O-O Nge7 12. Re1 Qf4 13. Nd2 O-O 14. g3 Qc7
15. Bd3 e5 16. Ne4 b6 17. Nd6 Be6 18. f4 Rad8 19. fxe5 fxe5 20. Qh5 g6 0-1 

[Event "Canberra"]
[Site "?"]
[Date "1995.??.??"]
[Round "1"]
[White "Reilly, Tim"]
[Black "Tu Hoang Thong"]
[Result "0-1"]
[PlyCount "62"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+
8. Be2 c5 9. Bc3 Ne7 10. Nf3 f6 11. O-O Nbc6 12. Re1 Qf4 13. Bd3 Bd7 14. a3
O-O-O 15. b4 Qd6 16. bxc5 Qxc5 17. Rb1 Be8 18. Qc2 Qxa3 19. Ra1 Qc5 20. Rxe6
Bf7 21. Ree1 Bg6 22. Bxg6 hxg6 23. Bd2 Nf5 24. Reb1 a6 25. Qb3 Rd7 26. Ra4 Ncd4
27. Nxd4 Nxd4 28. Qb2 Qd6 29. h3 Ne2+ 30. Kf1 Qxd2 31. Qb6 Nc3 0-1 

[Event "Canada zt"]
[Site "Canada"]
[Date "1992.??.??"]
[Round "7"]
[White "Spraggett, Kevin"]
[Black "Gentes, Kevin"]
[Result "0-1"]
[PlyCount "66"]
[WhiteElo "2540"]
[BlackElo "2285"]
[ECO "D31"]
[Annotator "Ftacnik"]

1. c4 e6 2. Nc3 d5 3. d4 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+
8. Be2 c5 9. Bxc5 Qxg2 10. Bf3 Qg5 11. Bd6 (11. Qd6 Nd7 12. Be3 Qa5+ 13. b4 Qe5
$17) 11... Nc6 (11... Ne7 12. Nh3 Qf6 13. Rg1 Nf5 14. Ba3 Qe5+ 15. Kf1
{Vladimirov-Monin/URS/1980/}) 12. Ne2 (12. Bxc6+ bxc6 13. Nf3 Qf5 14. Qe2 $14
c5 $2 15. Nh4 $1 $18 {Spraggett,K}) 12... Nge7 13. Rg1 Qf6 14. Nc3 Nd4 $1
(14... Nf5 $6 15. Bxc6+ $1 bxc6 16. Ne4 Qd8 (16... Qxb2 17. Rb1 Qxa2 18. Rxg7
$1 $18; 16... Qd4 17. Qxd4 Nxd4 18. Rxg7 Nc2+ 19. Kd2 Nxa1 20. Nf6+ Kd8 21.
Rxf7 Ba6 22. Bc7+ Kc8 23. Ne4 $18) 17. Qd2 Ba6 18. b3 $16
{Spraggett,K-Majorovas/Cannes op/1992/}) 15. Bh1 $6 (15. Be4 $1 Ndf5 16. Ba3)
15... Ndf5 $1 16. Ba3 Qe5+ 17. Be4 Qxh2 18. Rh1 Qe5 $1 19. Qe2 Nd4 20. Qe3 Nef5
21. Qd3 Bd7 22. O-O-O (22. f4 Qxf4 23. Bxb7 Rd8 $19) 22... O-O-O 23. Rhe1 Qf4+
24. Kb1 Bc6 $1 25. Qh3 Bxe4+ 26. Rxe4 (26. Nxe4 Nf3 $19) 26... Qxf2 27. Rc1 Qf3
28. Qh2 Qg3 29. Rh1 (29. Qxg3 Nxg3 30. Rg4 Ngf5 $19) 29... Nf3 30. Qc2 Nd2+ 31.
Ka1 Nxe4 32. Qxe4 Qd3 33. Qe5 Nd4 0-1 {Ftacnik,L} 

[Event "21st Belgrade Trophy"]
[Site "Belgrade"]
[Date "2008.11.30"]
[Round "4"]
[White "Zaharia Clitan"]
[Black "Bogdan Posedaru"]
[Result "0-1"]
[PlyCount "54"]
[WhiteElo "2045"]
[BlackElo "2212"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+
8. Be2 c5 9. Bxc5 Qxg2 10. Bf3 Qg5 11. Bd6 Ne7 12. Ne2 Nbc6 13. Rg1 Qf6 14. Nc3
Nd4 15. Bh5 Nef5 16. Rg4 Nxd6 17. Rxd4 Nf5 18. Qa4+ Kf8 19. Qb4+ Kg8 20. Rd2 g6
21. Be2 Kg7 22. O-O-O e5 23. Nd5 Qc6 24. Qc3 f6 25. f4 Re8 26. fxe5 Rxe5 27.
Bf3 Ne3 0-1 

[Event "CRO-ch"]
[Site "Slavonski Brod"]
[Date "1995.??.??"]
[Round "?"]
[White "Sulava, Nenad"]
[Black "Palac, Mladen"]
[Result "0-1"]
[PlyCount "68"]
[WhiteElo "2420"]
[BlackElo "2545"]
[ECO "D31"]
[Annotator "Ftacnik"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+
8. Be2 c5 9. Bxc5 Qxg2 10. Qd2 (10. Bf3 Qg5 11. Qd4 (11. Bd6 Nc6 (11... Ne7 12.
Ne2 Qf6 13. Nc3 Nf5 14. Nb5 Na6 15. Qb3 Nxd6 16. Nxd6+ Kf8 17. Qa3 Qe5+ 18.
Ne4+ Kg8 19. O-O-O h6 20. Rd8+ Kh7 21. Rxh8+ Kxh8 22. Qf8+ Kh7 23. Qxf7 $16
{San Segundo,P-Korneev,O/Linares op/1995/1-0 (33)}) 12. Bxc6+ bxc6 13. Nf3 Qd8
14. Rg1 Nh6 15. Bc5 Qxd1+ 16. Rxd1 Nf5 17. Ng5 f6 18. Ne4 a6 19. f4 Kf7 20.
Nd6+ Nxd6 21. Rxd6 Re8 22. Rxc6 Rd8 $13 {Kinsman,A-Payen,A/Paris-London
(03)/1994/0-1 (40)}) 11... Nd7 12. Bb4 Qe5+ 13. Ne2 Qxd4 14. Nxd4 Ne5 15. Be2
Bd7 16. Rg1 Ne7 17. Bd6 N5g6 18. Bf3 Bc6 19. Nxc6 bxc6 20. O-O-O Rc8 21. b4
{Vaiser,A-Ivanov,S/URS-OT56 Uzhgorod/1988/0.5 (49)}) 10... Qxh1 11. O-O-O Nd7
12. Nf3 (12. Bf3 Qxh2 13. Bxb7 Qc7 $1 14. Bxa8 Qxc5 $17) 12... Qg2 (12... Qxd1+
13. Qxd1 (13. Bxd1 Nxc5 14. Qd4 Bd7 15. Qxc5 Rc8 $14) 13... Nxc5 14. Qd4 Ne7
15. Qxc5 Bd7 (15... f6 16. Nd4 a6 17. Qd6 Kf7 18. c5 Re8 19. Bc4 Nc6 20. Nf5
Rd8 21. Qg3 g6 22. Nd6+ Kg7 23. h4 Ne5 24. Be2 b6 25. f4 Nc6 26. Qg2 Bd7 27.
Bf3 $18 {Tataev,M-Boguslawsky,M/Protvino/1992/}) 16. Ne5 Nc6 (16... Bc6 $5 17.
Nxc6 $1 bxc6 18. Bf3 Rc8 19. Qxa7 $16) 17. Bf3 $1 Nxe5 18. Qxe5 f6 19. Qg3
O-O-O 20. Qxg7 $16 {Yusupov,A-Dokhoian,Y/BRD/1994/1-0 (39)}) 13. Ba3 (13. Ne5
Ngf6 14. Qd6 Qg5+ 15. f4 Ne4 $1) 13... a5 (13... Ne7 14. Ne5 O-O 15. Bxe7 Nxe5
16. Bxf8 Bd7 17. Ba3 Be8 18. Qe3 Nc6 19. Bd6 Rd8 20. h4 e5
{0.5/Flear,G-Vera,R/Elgoibar/1994/}) 14. Ne5 Ngf6 (14... h6 15. Nxd7 Qg5 16.
Nb6 Qxd2+ 17. Rxd2 Rb8 18. Bd6 $18) 15. Bh5 (15. Qd6 $2 Qg5+ 16. Kb1 Ne4 $19)
15... Ra6 (15... Nxh5 16. Nxd7 f6 17. Nb6 Qc6 18. Qd8+ Kf7 19. Qxh8 Qxb6 20.
Rg1 g5 21. Qf8+ Kg6 22. Qe8+ Kf5 23. Qxh5) 16. Bxf7+ Kd8 17. Bh5 Qxh2 (17...
Nxh5 $5 18. Nxd7 (18. Nf7+ Ke8 19. Nxh8 Qxh2 $17) 18... Kc7 19. Nb6 (19. Bd6+
Kxd7 20. Ba3+ Ke8 21. Qd8+ Kf7 22. Qxh8 Rc6 $19; 19. Nf8 Kb8 20. Qd8 Nf6 21.
Bd6+ Rxd6 22. Qxd6+ Ka8 23. Qc5 Qc6 $19) 19... Rxb6 20. Bd6+ Kd7 (20... Kc6 21.
Bb8 $18) 21. Bc5+ Ke8 (21... Kc7 22. Bxb6+ Kxb6 23. Qd4+ Ka6 24. Qc5 b6 $19)
22. Qd8+ Kf7 23. Qxh8 Rc6 $19) 18. Nf7+ Kc7 19. Bf3 Kb8 {Black has artificially
completed a castling and is left with a spare pawn.} (19... Re8 20. Rh1) 20.
Nxh8 Qh4 21. Nf7 e5 (21... Qxc4+ 22. Kb1 $13) 22. Kb1 Ne4 23. Qe3 (23. Qe1
Ndf6) 23... Ndf6 {Black s pieces are coming to life with unpleasant ferrocity.}
24. Nxe5 Re6 25. Qd4 $6 (25. Ng4 $1 Qg5 (25... Nxg4 26. Qf4+ Ka8 27. Bxe4) 26.
Nxf6 Qxe3 27. fxe3 Nxf6 28. Bd6+ $14) 25... Qf4 26. Bxe4 Qxe4+ 27. Qxe4 Nxe4
28. f4 g5 29. Rd4 Re8 30. Nf7 (30. Rxe4 $4 Bf5 $19) 30... Bf5 31. Kc1 Ng3
(31... gxf4 32. Nd6 Nxd6 33. Bxd6+ Kc8 34. Rxf4 $11) 32. Rd5 (32. Rd6 gxf4 $17)
32... Be6 $2 (32... Re1+ 33. Kd2 Re2+) 33. Bd6+ Ka7 34. Rxa5+ Kb6 0-1 {34...
Kb6 35. Rb5+ Ka7 36. Bc5+ Kb8 37. Nd6 $36} 

[Event "Brussels SWIFT blitz"]
[Site "Brussels"]
[Date "1992.??.??"]
[Round "?"]
[White "Seirawan, Yasser"]
[Black "Georgiev, Kiril"]
[Result "0-1"]
[PlyCount "70"]
[WhiteElo "2600"]
[BlackElo "2605"]
[ECO "D31"]

1. c4 e6 2. Nc3 d5 3. d4 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Nc3 c5 7. Nf3 Nf6 8. Be3
Nc6 9. Be2 Ng4 10. d5 Nxe3 11. fxe3 Ne7 12. e4 O-O 13. O-O exd5 14. cxd5 Ng6
15. Qc2 Bg4 16. a3 Ba5 17. Na4 Rc8 18. Kh1 Bc7 19. Rad1 Bd6 20. Nc3 a6 21. h3
Bxf3 22. Rxf3 Nh4 23. Rf2 Qg5 24. Bg4 Rce8 25. Ne2 h5 26. Bf3 f5 27. e5 Rxe5
28. Qd2 Re3 29. Rdf1 Qe7 30. Bxh5 g6 31. Bf3 Qe5 32. g3 Nxf3 33. Rxf3 Rxe2 34.
Qg5 Kg7 35. h4 Qxb2 0-1 

[Event "RUS Cup final 5th"]
[Site "Kazan"]
[Date "2001.10.12"]
[Round "11"]
[White "Kharlov, Andrei"]
[Black "Filippov, Valerij"]
[Result "0-1"]
[PlyCount "88"]
[WhiteElo "2656"]
[BlackElo "2617"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+
8. Ne2 Na6 9. Bf8 Ne7 10. Bxg7 Rg8 11. Bf6 Qxc4 12. Ng3 Qf4 13. Bc3 Nc5 14. Qc2
e5 15. Qxh7 Bg4 16. h3 Be6 17. Nh5 Qe4+ 18. Qxe4 Nxe4 19. Bxe5 O-O-O 20. g4 Bd5
21. f3 Ng5 22. Bg2 Bxf3 23. O-O Bxg2 24. Kxg2 Rd2+ 25. Rf2 Rxf2+ 26. Kxf2 Nxh3+
27. Kg3 Ng5 28. Rf1 Nd5 29. Nf6 Nxf6 30. Bxf6 Ne4+ 31. Kh4 Rg6 32. g5 Nxf6 33.
gxf6 Kd7 34. Rf2 c5 35. b3 b5 36. Kh3 Kc6 37. Kh4 c4 38. bxc4 bxc4 39. Rf5 Kd6
40. Kh5 Rg8 41. Rf2 Kc5 42. Kh6 Rg6+ 43. Kh7 c3 44. Rf3 Kd4 0-1 

[Event "ch-RUS women Elista RUS"]
[Site "?"]
[Date "1997.??.??"]
[Round "1"]
[White "Razumova, T"]
[Black "Polyakova, N"]
[Result "0-1"]
[PlyCount "82"]

1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Nf3 c6 5. e3 Nd7 6. Bd3 Bxd3 7. Qxd3 f5 8. cxd5
cxd5 9. O-O Bd6 10. h4 a6 11. Ng5 Qe7 12. e4 fxe4 13. Qh3 Nf8 14. f3 h6 15.
fxe4 hxg5 16. Bxg5 Qxg5 17. hxg5 Rxh3 18. gxh3 Be7 19. h4 dxe4 20. Rae1 Rc8 21.
Rxe4 Rc4 22. Rf3 b5 23. b3 Rc7 24. Ne2 Rc2 25. a4 bxa4 26. bxa4 Ra2 27. Nc3 Ra3
28. Kg2 Bb4 29. Ree3 Ne7 30. h5 Nh7 31. Ne4 Rxe3 32. Rxe3 Nf5 33. Rb3 a5 34. g6
Nf8 35. Ng5 Ke7 36. Rf3 Nd7 37. Rf4 Nf6 38. Nf3 Nxh5 39. Re4 Nf6 40. Re2 Nd5
41. Ng5 Nf4+ 0-1 

[Event "Katowice"]
[Site "?"]
[Date "1990.??.??"]
[Round "1"]
[White "Sagalchik, G"]
[Black "Ibragimov, I"]
[Result "0-1"]
[PlyCount "72"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3
Bb7 9. Rd1 Nbd7 10. Nc3 Qb8 11. d5 c4 12. dxe6 fxe6 13. Bc2 Bd6 14. e4 O-O 15.
a4 Ne5 16. Nxe5 Bxe5 17. axb5 axb5 18. Rxa8 Bxa8 19. h3 Bc6 20. Qe3 Qb7 21. f3
Bb8 22. Qg5 Qc7 23. Be3 b4 24. Ne2 Bxe4 25. Bxe4 Nxe4 26. Qg4 Nf6 27. Qxe6+ Kh8
28. Bf4 Qc5+ 29. Kh1 Re8 30. Qf7 Rf8 31. Qe6 c3 32. bxc3 bxc3 33. Qb3 Bxf4 34.
Nxf4 Qe3 35. Nd3 Rc8 36. Qb7 Rd8 0-1 

[Event "Chigorin mem op"]
[Site "St Petersburg"]
[Date "2001.10.30"]
[Round "5"]
[White "Ovod, Evgenija"]
[Black "Melnikova, Yana"]
[Result "1/2-1/2"]
[PlyCount "158"]
[WhiteElo "2356"]
[BlackElo "2167"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O
15. Nd2 Re8 16. Bc2 Qc7 17. f4 Nb6 18. Qe2 Rec8 19. Rac1 a4 20. Bd3 b3 21. Ba3
Rd8 22. c5 Nbd5 23. Nc4 Bc6 24. Nd6 Rdb8 25. f5 b2 26. Bxb2 Nxe3 27. d5 Nfxd5
28. fxe6 Rxb2 29. Bxh7+ Kf8 30. Qxb2 Nxf1 31. Rxf1 f6 32. Qa3 Rb8 33. Bc2 Ne7
34. Qh3 Ng8 35. Re1 Bd5 36. Qe3 Rb2 37. Re2 Ne7 38. Kf2 Qc6 39. g3 Bh1 40. Be4
Rxe2+ 41. Qxe2 Qxc5+ 42. Kf1 Qxd6 43. Bxh1 a3 44. Bf3 Qb6 45. Qc4 Qa5 46. Qb3
Qa6+ 47. Kg2 a2 48. Qb8+ Qc8 49. Qa7 Qxe6 50. Qa8+ Kf7 51. Bh5+ g6 52. Bf3 Qc4
53. h4 Qc2+ 54. Kh3 Qf5+ 55. Kg2 Qc2+ 56. Kh3 Qb2 57. Bd5+ Nxd5 58. Qxd5+ Kg7
59. Qd7+ Kh6 60. Qe7 f5 61. Qe3+ f4 62. Qxf4+ Kg7 63. Qc7+ Kf6 64. Qd6+ Kg7 65.
Qe7+ Kh6 66. Qe3+ Kh7 67. Qa7+ Kg8 68. Qa8+ Kf7 69. Qa7+ Ke6 70. Qa6+ Kd5 71.
Qa8+ Kc4 72. Qc6+ Kb3 73. Qb6+ Kc3 74. Qf6+ Kc2 75. Qxg6+ Kd1 76. Qd3+ Qd2 77.
Qf1+ Kc2 78. Qc4+ Kb2 79. Qb5+ Kc1 1/2-1/2 

[Event "St Petersburg FINEC GM"]
[Site "St Petersburg"]
[Date "2007.01.26"]
[Round "2"]
[White "Klimov, Sergey"]
[Black "Matlakov, Maksim"]
[Result "1/2-1/2"]
[PlyCount "72"]
[WhiteElo "2498"]
[BlackElo "2452"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 O-O 14. O-O Nbd7
15. Nd2 Re8 16. Bc2 Qc7 17. f4 Nb6 18. Qe2 a4 19. e4 a3 20. Bc1 Nxc4 21. Nxc4
Bxe4 22. Bb3 Red8 23. Be3 Qb7 24. Rfc1 Rac8 25. Nd2 Bd5 26. Rc5 Rxc5 27. dxc5
Bxb3 28. Nxb3 Qd5 29. Qd2 Qxd2 30. Bxd2 Rd3 31. c6 Nd5 32. Bxb4 Rxb3 33. Rxa3
Rxa3 34. Bxa3 f6 35. Kf2 Kf7 36. Kf3 Ke8 1/2-1/2 

[Event "St Petersburg-ch U18"]
[Site "St Petersburg"]
[Date "2002.??.??"]
[Round "4"]
[White "Smirnov, Artem"]
[Black "Matlakov, Maksim"]
[Result "0-1"]
[PlyCount "101"]
[WhiteElo "2216"]
[BlackElo "2295"]
[ECO "D31"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O
15. Nd2 Re8 16. Bc2 Qc7 17. f4 Nb6 18. c5 Nbd5 19. Re1 Bc6 20. Nc4 Red8 21. Ne5
Bb5 22. Qd2 Nd7 23. Nf3 N5f6 24. Rec1 Qb7 25. Qe1 Bc6 26. Ba4 Bxa4 27. Rxa4 Ra6
28. Rca1 Rda8 29. Nd2 Nb8 30. Nc4 Nc6 31. e4 Qb5 32. Nd6 Qd3 33. Qf1 Qe3+ 34.
Qf2 Qd3 35. Qf3 Qc2 36. Qf2 Qd3 37. Re1 Qb3 38. Raa1 a4 39. d5 Ng4 40. Qe2 Ne7
41. Bxg7 Qe3+ 42. Qxe3 Nxe3 43. Bf6 N3xd5 44. exd5 Nxd5 45. Bd4 Nxf4 46. Re3 b3
47. Rf1 Ng6 48. Rxf7 e5 49. Bxe5 Nxe5 50. Rb7 Ng6 51. Nf5 0-1 

[Event "UKR-chT"]
[Site "Alushta"]
[Date "2002.04.13"]
[Round "4"]
[White "Sulypa, Alexandre"]
[Black "Arzumanian, Georgy"]
[Result "1-0"]
[PlyCount "65"]
[WhiteElo "2513"]
[BlackElo "2424"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O
15. Nd2 Re8 16. Bc2 Qc7 17. f4 Nb6 18. Rc1 a4 19. Bd3 Red8 20. Ba1 a3 21. Qb3
Na4 22. Qxb4 Ng4 23. Rfe1 e5 24. h3 exd4 25. hxg4 dxe3 26. Rxe3 Nb2 27. Bxb2
axb2 28. Rce1 Rab8 29. Qxb2 Qxf4 30. Qe5 Qxe5 31. Rxe5 f6 32. R5e3 Rd4 33. Ne4
1-0 

[Event "VIE-ch playoff"]
[Site "Thua Thien Hue"]
[Date "2000.04.10"]
[Round "13"]
[White "Pham Minh Hoang"]
[Black "Bui Vinh"]
[Result "0-1"]
[PlyCount "80"]
[WhiteElo "2397"]
[ECO "D31"]

1. Nf3 d5 2. d4 c6 3. c4 e6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 Bb7 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 a5 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 O-O 14. O-O Nbd7
15. Nd2 Re8 16. f4 Nc5 17. Bc2 Nce4 18. Nf3 Qc7 19. Ne5 Nd7 20. Qh5 Re7 21. Qh4
Nf8 22. Rfd1 f6 23. Nf3 Qxc4 24. Rdc1 Qd5 25. Qe1 Nd6 26. Bd3 Qb3 27. Qe2 Be4
28. Bxe4 Nxe4 29. Rab1 Qd5 30. Nd2 Nxd2 31. Qxd2 Rb7 32. Ra1 a4 33. Rc5 Qb3 34.
Bc1 a3 35. f5 Nd7 36. Rc6 exf5 37. h3 Qd5 38. Qc2 b3 39. Rc8+ Kf7 40. Qc3 Rxc8
0-1 

[Event "Calvia ol (Men)"]
[Site "Mallorca"]
[Date "2004.10.19"]
[Round "5"]
[White "Gonzalez Garcia, Jose"]
[Black "Solomon, Stephen J"]
[Result "1-0"]
[PlyCount "101"]
[WhiteElo "2447"]
[BlackElo "2435"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O
15. Nd2 Re8 16. f4 Nc5 17. Bc2 Nce4 18. Nf3 Qc7 19. Ne5 Nd7 20. Qh5 Nf8 21.
Rfc1 f6 22. Nf3 Ng6 23. Ba4 Re7 24. f5 exf5 25. Bb3 Qd7 26. d5 a4 27. Bc2 a3
28. Bd4 f4 29. Bb3 fxe3 30. g3 f5 31. Ra2 Ra6 32. Re2 Nc3 33. Bxc3 bxc3 34.
Rxc3 Nf4 35. gxf4 Rh6 36. Ne5 Rxe5 37. Qf3 Re4 38. Rcxe3 Rg6+ 39. Kf1 Rb6 40.
Rxe4 fxe4 41. Rxe4 h6 42. Qe3 Rf6 43. Ke1 Qc7 44. Kd1 Rf8 45. Re7 Qc8 46. Kd2
a2 47. Qe5 Qg4 48. Bxa2 Rxf4 49. Rxg7+ Qxg7 50. Qxf4 Bxd5 51. Qb8+ 1-0 

[Event "NOR-chB"]
[Site "Moss"]
[Date "2006.07.13"]
[Round "7"]
[White "Hoie, Johannes"]
[Black "Borchgrevink, Harald"]
[Result "1/2-1/2"]
[PlyCount "65"]
[WhiteElo "2039"]
[BlackElo "2249"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O
15. Nd2 Re8 16. f4 Nc5 17. Bc2 Nce4 18. Nf3 Qc7 19. Ne5 Nd7 20. d5 Ndf6 21. Rc1
exd5 22. cxd5 Qd6 23. Bxe4 Nxe4 24. Nc6 f6 25. Qd4 Ra6 26. Qc4 Raa8 27. Rfd1
Ba6 28. Qd4 Be2 29. Re1 Bb5 30. Rcd1 b3 31. Qb6 Reb8 32. Qd4 Re8 33. Qb6
1/2-1/2 

[Event "RUS-ch sf"]
[Site "Perm"]
[Date "1997.??.??"]
[Round "6"]
[White "Syrokhvatov, Leonid V"]
[Black "Kraev, Alexei"]
[Result "1-0"]
[PlyCount "41"]
[WhiteElo "2270"]
[ECO "D31"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+
8. Be2 c5 9. Bxc5 Qxg2 10. Qd6 Nd7 11. O-O-O Qc6 12. Qxc6 bxc6 13. Bd6 Ne7 14.
Bf3 Bb7 15. Ne2 Nf5 16. Be4 Nxd6 17. Rxd6 Ne5 18. Rhd1 Nxc4 19. Rd7 Ba6 20.
Bxc6 O-O 21. Bxa8 1-0 

[Event "Galatzi GP op"]
[Site "Galatzi"]
[Date "2007.05.15"]
[Round "9"]
[White "Miron, Lucian Costin"]
[Black "Karakehajov, Kalin"]
[Result "0-1"]
[PlyCount "54"]
[WhiteElo "2375"]
[BlackElo "2443"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+
8. Be2 c5 9. Bxc5 Qxg2 10. Qd6 Nd7 11. O-O-O Qc6 12. Qxc6 bxc6 13. Bf3 Bb7 14.
Bd6 Nh6 15. Ne2 Nf5 16. Be4 Nxd6 17. Rxd6 O-O-O 18. Bxc6 Kc7 19. Bxb7 Kxd6 20.
Kc2 Ke7 21. Bg2 Ne5 22. b3 Rd7 23. Nc3 Rhd8 24. Ne4 Ng4 25. Kc3 Rd1 26. Rxd1
Rxd1 27. Bf3 Rg1 0-1 

[Event "American op 10th"]
[Site "Santa Monica"]
[Date "1974.12.01"]
[Round "8"]
[White "Weinberger, Tibor"]
[Black "Ulrich, James W"]
[Result "1-0"]
[PlyCount "97"]
[ECO "D31"]

1. c4 c6 2. e4 e6 3. d4 d5 4. Nc3 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+
8. Be2 c5 9. Bxc5 Qxg2 10. Qd6 Nd7 11. O-O-O Qc6 12. Qxc6 bxc6 13. Bd6 Ne7 14.
Bf3 Bb7 15. Ne2 Nf5 16. Bc7 Rc8 17. Bf4 Nb6 18. b3 Ke7 19. Ng3 Nxg3 20. Bd6+
Ke8 21. hxg3 f6 22. Bh5+ Kd8 23. Bf8+ Kc7 24. Bxg7 c5 25. Rhe1 Rhg8 26. Bxf6
Nd7 27. Rxe6 Nxf6 28. Rxf6 Rcf8 29. Rxf8 Rxf8 30. f4 Bc6 31. Re1 Kd6 32. Kd2 a5
33. Re5 a4 34. Bd1 Rg8 35. Rg5 Rxg5 36. fxg5 axb3 37. axb3 Be4 38. Bc2 Ke5 39.
Bxe4 Kxe4 40. Kc3 Kf5 41. b4 cxb4+ 42. Kxb4 Kxg5 43. c5 Kg4 44. c6 Kxg3 45. c7
h5 46. c8=Q h4 47. Qg8+ Kh2 48. Qg4 h3 49. Kc3 1-0 

[Event "Iowa Futurity 3rd"]
[Site "Ankeny"]
[Date "2006.09.30"]
[Round "3"]
[White "Claassen, Chris"]
[Black "Braunlich, Tom"]
[Result "0-1"]
[PlyCount "118"]
[WhiteElo "2060"]
[BlackElo "2191"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+
8. Be2 c5 9. Bxc5 Qxg2 10. Qd6 Nd7 11. O-O-O Qc6 12. Qxc6 bxc6 13. Bd6 Ne7 14.
Bf3 Bb7 15. Ne2 Nf5 16. Bf4 Nh4 17. Be4 f5 18. Bg5 Ng6 19. Bc2 Nge5 20. Rd6 Nf8
21. Rhd1 Nf7 22. Bf4 e5 23. Bxe5 Nxe5 24. Bxf5 Nxc4 25. R6d4 Nb6 26. Re1 g6 27.
Ng3+ Kf7 28. Bg4 Nd5 29. Ne4 Rd8 30. Ng5+ Kf6 31. Ne4+ Kg7 32. Ng5 Bc8 33. Bxc8
Rxc8 34. Ra4 Rc7 35. Re8 h6 36. Rxf8 hxg5 37. Rxh8 Kxh8 38. Rg4 Kg7 39. Rxg5
Rf7 40. h4 Rxf2 41. a3 Nf4 42. b4 Nd3+ 43. Kd1 Rf5 44. Rg3 Ne5 45. Ke2 Kh6 46.
a4 Kh5 47. b5 cxb5 48. axb5 Kxh4 49. Ra3 Rf7 50. Ra4+ Kg3 51. Re4 Re7 52. Kf1
g5 53. Re3+ Kf4 54. Ra3 g4 55. Kg2 Rb7 56. Ra4+ Kf5 57. Ra5 Nc4 58. Ra4 Nd6 59.
b6 axb6 0-1 

[Event "Krakow op-A"]
[Site "Krakow"]
[Date "2001.01.03"]
[Round "8"]
[White "Shishkin, Vadim"]
[Black "Kantorik, Marian"]
[Result "1/2-1/2"]
[PlyCount "82"]
[WhiteElo "2415"]
[BlackElo "2294"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+
8. Be2 c5 9. Bxc5 Qxg2 10. Qd6 Nd7 11. O-O-O Qc6 12. Qxc6 bxc6 13. Bd6 Bb7
(13... Ne7 $11) 14. c5 (14. Nf3 $1 Ne7 15. Ne5 $14) 14... Ne7 15. Nf3 Nf5 16.
Rhg1 Nxd6 17. Rxd6 Nxc5 18. Rxg7 Ke7 19. Rd4 Rag8 20. Rg3 Rd8 21. Rf4 Rhg8 22.
Rh4 Rxg3 23. hxg3 Rh8 24. Ne5 Nd7 25. Nxd7 Kxd7 26. Ra4 Ra8 27. Rh4 Rh8 28. Ra4
Ra8 29. Rd4+ Kc7 30. Rg4 Kd6 31. Rg7 Rf8 32. Rxh7 c5 33. Rh4 Bc6 34. Kc2 Rb8
35. Kc3 Rb7 36. Bc4 Bd5 37. b3 Bxc4 38. Rxc4 f5 39. Ra4 Kd5 40. Ra6 Rh7 41. Kd3
e5 1/2-1/2 

[Event "Creon op 2nd"]
[Site "Creon"]
[Date "1997.??.??"]
[Round "?"]
[White "Grigore, George Gabriel"]
[Black "Wuts, Frank"]
[Result "0-1"]
[PlyCount "70"]
[WhiteElo "2465"]
[BlackElo "2280"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+
8. Ne2 Nd7 9. Qd6 a5 10. Ba3 Qe5 11. Qd2 Ne7 12. Bd6 Qf6 13. Ng3 O-O 14. O-O-O
Re8 15. f4 Qh6 16. Ne4 Ng6 17. Be2 e5 18. f5 Nf4 19. Bf1 Nf6 20. Nxf6+ Qxf6 21.
g4 g6 22. fxg6 fxg6 23. Rg1 Be6 24. Rg3 Rad8 25. c5 a4 26. Re1 Bxa2 27. Rge3
Bb3 28. Rxe5 Rxe5 29. Rxe5 Ne6 30. Qe2 b6 31. g5 Qf4+ 32. Kb1 bxc5 33. Bh3 Rxd6
34. Bxe6+ Bxe6 35. Rxe6 Qf5+ 0-1 

[Event "DDR-ch 02nd"]
[Site "Schwerin"]
[Date "1951.??.??"]
[Round "9"]
[White "Zirngibl, Albert"]
[Black "Rathai, Volker"]
[Result "1-0"]
[PlyCount "77"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+
8. Ne2 Nd7 9. Qd6 a5 10. Ba3 Qe5 11. Qd2 Ne7 12. O-O-O c5 13. f4 Qc7 14. Nc3
O-O 15. g4 Rd8 16. Nb5 Qb6 17. Qf2 Nc6 18. Rd6 a4 19. Bg2 Qa5 20. Rhd1 g6 21.
Bxc5 Ra6 22. Qh4 Ra8 23. Ba3 Qb6 24. R6d3 Na5 25. c5 Qxb5 26. Qxd8+ Kg7 27.
Rxd7 Bxd7 28. Qxd7 Qe2 29. Bxb7 Qe3+ 30. Kb1 Rb8 31. c6 Nxb7 32. cxb7 Qe4+ 33.
Qd3 Qxb7 34. Qd4+ Kg8 35. g5 Ra8 36. Qd8+ Rxd8 37. Rxd8+ Kg7 38. Bf8+ Kg8 39.
Bh6# 1-0 

[Event "HUN-chT 9697"]
[Site "Hungary"]
[Date "1997.??.??"]
[Round "9"]
[White "Wells, Peter K"]
[Black "Dao Thien Hai"]
[Result "1-0"]
[PlyCount "63"]
[WhiteElo "2475"]
[BlackElo "2535"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+
8. Ne2 Nd7 9. Qd6 a5 10. Ba3 Qe5 11. Qd2 c5 12. f4 Qb8 13. O-O-O b6 14. g4 Ne7
15. Bg2 Ra7 16. Nc3 Ba6 17. b3 O-O 18. Bb2 a4 19. f5 axb3 20. axb3 Ne5 $2
(20... exf5 $11) 21. f6 N7g6 22. fxg7 Kxg7 23. Ne4 f6 24. g5 f5 25. Nf6 Kf7 26.
Rhe1 Bxc4 27. bxc4 Nxc4 28. Qe2 Qf4+ 29. Kb1 Re7 30. Rd7 Nxb2 31. Qxe6+ Kg7 32.
Rxe7+ 1-0 

[Event "Haninge"]
[Site "?"]
[Date "1988.05.00"]
[Round "1"]
[White "Andersson, U"]
[Black "Chiburdanidze, M"]
[Result "1/2-1/2"]
[PlyCount "73"]
[WhiteElo "2605"]
[BlackElo "2560"]

1. Nf3 d5 2. d4 Bf5 3. Bf4 c6 4. e3 e6 5. Bd3 Bxd3 6. Qxd3 Bd6 7. Bg3 Nf6 8.
Nbd2 Bxg3 9. hxg3 Nbd7 10. g4 Nxg4 11. Rxh7 Rxh7 12. Qxh7 Qf6 13. Qh5 Nh6 14.
Ke2 Qf5 15. Qxf5 Nxf5 16. Rh1 Ke7 17. Ne5 Nd6 18. Rh7 Rg8 19. Nxd7 Kxd7 20. g4
Ke7 21. g5 Kf8 22. c3 g6 23. Kf3 Ke7 24. Kf4 Rc8 25. Nf3 Kf8 26. Rh8+ Ke7 27.
Rh7 Kf8 28. Ne5 Kg8 29. Rh2 c5 30. Nd7 cxd4 31. exd4 Rc7 32. Nf6+ Kf8 33. Rh8+
Ke7 34. Ng8+ Kf8 35. Nf6+ Ke7 36. Ng8+ Kf8 37. Nf6+ 1/2-1/2 

[Event "Vladivostok Zaitsev"]
[Site "?"]
[Date "1995.??.??"]
[Round "1"]
[White "Yurtaev, L"]
[Black "Ivanov, M"]
[Result "1/2-1/2"]
[PlyCount "19"]

1. Nf3 d5 2. d4 Bf5 3. Bf4 e6 4. e3 Bd6 5. Bd3 Bxd3 6. Qxd3 c6 7. O-O Nf6 8.
Ne5 O-O 9. h3 Qc7 10. Nd2 1/2-1/2 

[Event "Helsinki olm"]
[Site "?"]
[Date "1952.08.00"]
[Round "1"]
[White "Najdorf, M"]
[Black "Teschner, R"]
[Result "0-1"]
[PlyCount "86"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 a6 6. Qc2 b5 7. b3 Bb4 8. Bd2 Nbd7
9. Bd3 Bb7 10. O-O Qe7 11. a3 Bd6 12. c5 Bc7 13. e4 dxe4 14. Nxe4 Nxe4 15. Bxe4
Nf6 16. Bd3 Rd8 17. Rfe1 O-O 18. Bc3 g6 19. Bd2 Nd5 20. Re4 f6 21. Rae1 Bc8 22.
Rg4 f5 23. Bg5 Nf6 24. Rh4 Rd5 25. b4 Qf7 26. Qb2 Re8 27. Bc2 Nd7 28. Bf4 Bxf4
29. Rxf4 Qf6 30. h4 Nf8 31. Ne5 Bb7 32. Be4 Rdd8 33. Bxc6 Bxc6 34. Nxc6 Rd5 35.
Qb3 Kg7 36. Qg3 e5 37. Nxe5 Ne6 38. Ng4 Nxf4 39. Nxf6 Rxe1+ 40. Kh2 Rxd4 41.
Qc3 Ne2 42. Nh5+ Kf8 43. Qh3 Rdd1 0-1 

[Event "FIDE (26) 1964-1966"]
[Site "Amsterdam izt plof"]
[Date "1964.05.00"]
[Round "1"]
[White "Reshevsky, S"]
[Black "Portisch, L"]
[Result "0-1"]
[PlyCount "79"]

1. Nf3 c5 2. c4 Nf6 3. Nc3 e6 4. e3 d5 5. d4 dxc4 6. Bxc4 a6 7. O-O b5 8. Bb3
Bb7 9. Qe2 Nbd7 10. Rd1 Qb8 11. e4 cxd4 12. Nxd4 Bd6 13. h3 O-O 14. a3 Rd8 15.
Bc2 Bh2+ 16. Kh1 Bf4 17. Nb3 Bxc1 18. Raxc1 Ne5 19. Na5 Qc7 20. Nxb7 Qxb7 21.
Rxd8+ Rxd8 22. Rd1 Qc7 23. Bb3 h6 24. g3 Nc6 25. Qe3 Na5 26. Rxd8+ Qxd8 27. Ba2
Nc4 28. Bxc4 bxc4 29. Kg2 Qb8 30. Qe2 Qb3 31. Qd2 Qb6 32. f3 Nd7 33. Nd1 Ne5
34. Ne3 Qc5 35. f4 Nd3 36. Kf3 Qb5 37. Nd1 f5 38. exf5 Qd5+ 39. Ke3 exf5 40.
Nc3 0-1 

[Event "New York"]
[Site "?"]
[Date "1984.??.??"]
[Round "1"]
[White "Shirazi, K"]
[Black "Seirawan, Y"]
[Result "0-1"]
[PlyCount "106"]

1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. Nc3 a6 7. O-O b5 8. Bb3
Bb7 9. Qe2 Nbd7 10. Rd1 Qb8 11. e4 cxd4 12. Nxd4 Bd6 13. Bxe6 fxe6 14. Nxe6
Bxh2+ 15. Kh1 Qe5 16. Nxg7+ Kf7 17. f4 Bxf4 18. Bxf4 Qxf4 19. Rxd7+ Nxd7 20.
Rf1 Qxf1+ 21. Qxf1+ Kxg7 22. Qd1 Rhd8 23. Qd6 Kg8 24. Qc7 Rab8 25. Ne2 Bxe4 26.
Nf4 Rbc8 27. Qa7 Nf6 28. Qe7 Rd1+ 29. Kh2 Rc6 30. Ne6 Rxe6 31. Qxe6+ Kg7 32.
Qe5 Rd5 33. Qc3 Kg6 34. Qc8 a5 35. b3 b4 36. g4 Rg5 37. Qa6 Rd5 38. Kg3 Kg5 39.
Qe6 Rd3+ 40. Kf2 Nxg4+ 41. Ke2 Re3+ 42. Kd2 Bg6 43. Qc6 h5 44. a4 bxa3 45. Qc5+
Re5 46. Qxa3 h4 47. b4 axb4 48. Qxb4 h3 49. Qb6 Rd5+ 50. Ke2 h2 51. Qc6 Bd3+
52. Kd2 Be4+ 53. Ke2 Rd2+ 0-1 

[Event "Southampton ch-BCF"]
[Site "?"]
[Date "1986.07.00"]
[Round "1"]
[White "Roe, S"]
[Black "Botterill, G"]
[Result "0-1"]
[PlyCount "64"]
[WhiteElo "2230"]
[BlackElo "2395"]

1. Nf3 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. O-O a6 6. d4 c5 7. Qe2 b5 8. Bb3
Bb7 9. Rd1 Nbd7 10. Nc3 Qb8 11. e4 cxd4 12. Nxd4 Bd6 13. h3 O-O 14. a3 Re8 15.
Bc2 Bh2+ 16. Kh1 Bf4 17. Be3 Bxe3 18. Qxe3 Ne5 19. b4 Rc8 20. f3 Nc4 21. Qe1
Qe5 22. Nce2 Ne3 23. Bd3 Nxd1 24. Rxd1 Rd8 25. Nb3 h6 26. Na5 Rab8 27. f4 Qh5
28. Nxb7 Rxb7 29. e5 Rbd7 30. Bc2 Rxd1 31. Bxd1 Ne4 32. Nc3 Rxd1 0-1 

[Event "Edmonton Octob op"]
[Site "Edmonton"]
[Date "2005.10.29"]
[Round "3"]
[White "Newton, Geoff"]
[Black "Pua, Richard"]
[Result "1/2-1/2"]
[PlyCount "44"]
[WhiteElo "1938"]
[BlackElo "1892"]
[ECO "D31"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bf4 Bd6 6. Be5 c6 7. e3 Qe7 8.
Bxd6 Qxd6 9. Bd3 O-O 10. Qc2 Bg4 11. Nge2 Nbd7 12. f3 Bh5 13. Ng3 Bg6 14. O-O
Rfe8 15. Rae1 b6 16. Nf5 Bxf5 17. Bxf5 g6 18. Bd3 c5 19. Qd2 a6 20. Qf2 cxd4
21. exd4 b5 22. Qh4 Kg7 1/2-1/2 

[Event "corr ch-SVE [Forsse"]
[Site "corr ch-SVE [Forsse"]
[Date "1980.??.??"]
[Round "?"]
[White "Englund, H."]
[Black "Forssen, E.O."]
[Result "0-1"]
[PlyCount "98"]
[ECO "D31"]

1. c4 e6 2. Nc3 d5 3. d4 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+
8. Ne2 Nd7 9. Qd2 c5 10. Bc3 Ngf6 11. O-O-O O-O 12. Ng3 Qh4 13. f3 b6 14. Be2
Ba6 15. Nf1 Rfd8 16. g3 Qh3 17. Bxf6 gxf6 18. Ne3 Ne5 19. Qc2 Qh6 20. f4 Rd4
21. Rxd4 cxd4 22. Qe4 Rc8 23. Qxd4 Bxc4 24. Nxc4 Nxc4 25. Kb1 b5 26. h4 e5 27.
Qd7 Rc5 28. h5 Qf8 29. Qg4+ Kh8 30. Bxc4 Rxc4 31. Rc1 Rxc1+ 32. Kxc1 Qc5+ 33.
Kb1 Qd5 34. a3 Qd3+ 35. Kc1 h6 36. Qc8+ Kg7 37. Qg4+ Kh7 38. Qh4 Qf1+ 39. Kc2
Qe2+ 40. Kc1 Kg7 41. fxe5 fxe5 42. Qh3 a5 43. g4 a4 44. Qh4 Qe3+ 45. Kb1 Qd4
46. Qe7 e4 47. g5 Qd1+ 48. Ka2 Qd5+ 49. Ka1 Qxg5 0-1 

[Event "Ch Russia"]
[Site "K O (Moscow RUS)"]
[Date "1999.12.15"]
[Round "1"]
[White "Kholmov, Ratmir D"]
[Black "Sveshnikov, Evgeny E"]
[Result "0-1"]
[PlyCount "100"]
[WhiteElo "2464"]
[BlackElo "2541"]
[ECO "D10"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Bd6 5. Qc2 f5 6. Bd3 Nf6 7. f3 O-O 8. Nge2
dxc4 9. Bxc4 b5 10. Bb3 Kh8 11. a4 b4 12. Nd1 Qe7 13. Nf2 Ba6 14. Bc4 c5 15.
Bxa6 Nxa6 16. Qc4 Nc7 17. dxc5 Bxc5 18. Nd3 Nd7 19. Nd4 Nd5 20. Nxc5 Qxc5 21.
Qe2 Qd6 22. O-O e5 23. Nb3 e4 24. f4 Nc5 25. Nxc5 Qxc5 26. Qb5 Rfc8 27. Rd1
Rab8 28. Qxc5 Rxc5 29. Rd4 Kg8 30. Bd2 Kf7 31. Rc1 Rxc1+ 32. Bxc1 Ke6 33. Rc4
Rd8 34. Kf2 a5 35. Rc6+ Kd7 36. Rc5 Kd6 37. Rc2 b3 38. Rc4 Nb6 39. Rc3 Rc8 40.
Rxc8 Nxc8 41. Bd2 Nb6 42. Bxa5 Nxa4 43. Bb4+ Kd5 44. Ba3 Kc4 45. Ke2 Nc3+ 46.
Kd2 Nb1+ 47. Kc1 Nxa3 48. bxa3 Kd3 49. a4 Kxe3 50. a5 Kd3 0-1 

[Event "President's Cup"]
[Site "Elista RUS"]
[Date "1998.05.08"]
[Round "1"]
[White "Georgiev, Kiril D"]
[Black "Sveshnikov, Evgeny E"]
[Result "1-0"]
[PlyCount "75"]
[WhiteElo "2675"]
[BlackElo "2595"]
[ECO "D10"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Bd6 5. Qc2 f5 6. Bd3 Nf6 7. f4 O-O 8. Nf3 Ne4
9. O-O Nd7 10. c5 Bc7 11. Bd2 Nxd2 12. Qxd2 Nf6 13. b4 Bd7 14. Ne5 Qe7 15. b5
cxb5 16. Nxd7 Qxd7 17. Nxb5 Rfc8 18. Rab1 Ne8 19. Nxc7 Rxc7 20. Rb5 Nf6 21.
Rfb1 Rf8 22. Ra5 a6 23. Ra3 h6 24. Rab3 Rf7 25. Rb6 g5 26. Rd6 Qc8 27. fxg5
hxg5 28. e4 f4 29. exd5 exd5 30. Re1 Rc6 31. Re5 Rxc5 32. Rxg5+ Kf8 33. Qb4
Rc1+ 34. Kf2 Rc2+ 35. Kf3 Ke8 36. Re5+ Re7 37. Rxe7+ Kxe7 38. Rc6+ 1-0 

[Event "RUS Cup final 4th"]
[Site "Elista"]
[Date "2000.08.22"]
[Round "4"]
[White "Kosyrev, Vladimir"]
[Black "Najer, Evgeniy"]
[Result "1/2-1/2"]
[PlyCount "83"]
[WhiteElo "2512"]
[BlackElo "2597"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Bd6 5. Qc2 f5 6. Bd3 a6 7. c5 Bc7 8. f4 Nf6
9. Nf3 O-O 10. O-O Bd7 11. b4 Be8 12. a4 Nbd7 13. Bd2 Bh5 14. Ne5 Nxe5 15. fxe5
Ne4 16. b5 Qg5 17. bxc6 bxc6 18. a5 Rfb8 19. Ra3 Ra7 20. Na4 Nxd2 21. Qxd2 Bxa5
22. Qxa5 Qxe3+ 23. Kh1 Qxd4 24. Qc3 Qxc3 25. Rxc3 Rb4 26. Nb6 a5 27. Ra1 f4 28.
Kg1 Bg6 29. Bxg6 hxg6 30. Ra4 g5 31. h3 Kf7 32. Rca3 Rb1+ 33. Kh2 Kg6 34. Rxa5
Rxa5 35. Rxa5 Kf5 36. Nc8 d4 37. Ne7+ Ke4 38. Nxc6 d3 39. Ra2 Rb5 40. Ra4+ Ke3
41. Ra3 Ke4 42. Ra4+ 1/2-1/2 

[Event "ROM-chT"]
[Site "Tusnad"]
[Date "2004.05.09"]
[Round "9"]
[White "Barnaure, Vlad Victor"]
[Black "Vioreanu, Bogdan"]
[Result "1/2-1/2"]
[PlyCount "107"]
[WhiteElo "2378"]
[BlackElo "2405"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Bd6 5. Qc2 f5 6. Bd3 a6 7. c5 Bc7 8. Nge2 Ne7
9. f3 e5 10. dxe5 Nd7 11. b4 Nxe5 12. Bb2 O-O 13. O-O N7g6 14. f4 Nxd3 15. Qxd3
Qe7 16. Nd4 Bd7 17. a3 Nh8 18. Rf3 Nf7 19. Rg3 Nh6 20. h3 Rf6 21. Rf1 Rg6 22.
Rff3 Qf7 23. Na4 Rf8 24. Nb6 Be6 25. Qc3 Re8 26. a4 Bd8 27. b5 axb5 28. axb5
Bf6 29. Qc2 Qc7 30. bxc6 bxc6 31. Ne2 Bh4 32. Rxg6 hxg6 33. Rf1 Nf7 34. Bd4 Bf6
35. Qc3 Qe7 36. Bxf6 gxf6 37. Nd4 Nd8 38. Ra1 Bf7 39. Ra8 Ne6 40. Nxc6 Qxc5 41.
Qxc5 Nxc5 42. Rxe8+ Bxe8 43. Nxd5 Ne4 44. Nd4 Bf7 45. Nb4 Bc4 46. Nbc2 Kg7 47.
Ne1 Kh6 48. Nef3 Kh5 49. Kh2 Nf2 50. Ne1 Ne4 51. g3 Bf1 52. Nef3 Bc4 53. Kg2
Bd5 54. Kh2 1/2-1/2 

[Event "RUS Cup final 4th"]
[Site "Elista"]
[Date "2000.08.21"]
[Round "3"]
[White "Kosyrev, Vladimir"]
[Black "Grischuk, Alexander"]
[Result "1/2-1/2"]
[PlyCount "62"]
[WhiteElo "2512"]
[BlackElo "2606"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Bd6 5. Qc2 f5 6. Bd3 a6 7. Nge2 Nf6 8. f3 O-O
9. Bd2 b6 10. O-O-O Kh8 11. e4 fxe4 12. fxe4 dxc4 13. Bxc4 e5 14. Rhf1 b5 15.
Bb3 Qe7 16. dxe5 Bxe5 17. Bf4 a5 18. Bxe5 Qxe5 19. Qd2 a4 20. Bc2 a3 21. bxa3
Bg4 22. Qd6 Nbd7 23. Qxe5 Nxe5 24. h3 Bxe2 25. Nxe2 Rxa3 26. Rf5 Re8 27. Bb3
Nfd7 28. Kb2 Rea8 29. Nd4 g6 30. Rff1 Nc5 31. Nc2 R3a7 1/2-1/2 

[Event "Reykjavik op 22nd"]
[Site "Reykjavik"]
[Date "2006.03.12"]
[Round "7"]
[White "Salama, Omar"]
[Black "Ragnarsson, Johann Hjortur"]
[Result "1-0"]
[PlyCount "69"]
[WhiteElo "2199"]
[BlackElo "2134"]
[ECO "A84"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 f5 5. Bd3 Nf6 6. Nge2 Bd6 7. Qc2 a6 8. cxd5
cxd5 9. O-O Nc6 10. a3 Bxh2+ 11. Kxh2 Ng4+ 12. Kg3 Qg5 13. f4 Qh5 14. Bd2 Qh2+
15. Kf3 Qh4 16. g3 Qh2 17. Qb1 g5 18. e4 Nxd4+ 19. Nxd4 Qxd2 20. Nde2 gxf4 21.
exf5 Ne5+ 22. Kg2 Nxd3 23. Rf3 Ne5 24. Rxf4 Nc4 25. Qh1 Ne3+ 26. Kf2 h5 27. Rd4
Qc2 28. Kxe3 Bd7 29. fxe6 Bxe6 30. Nxd5 O-O 31. Qxh5 Bf5 32. Ne7+ Kg7 33. Nxf5+
Rxf5 34. Rd7+ Kf6 35. Qh6+ 1-0 

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Semi-Slav"]
[Black "Triangle System"]
[Result "*"]
[PlyCount "30"]

1. d4 d5 2. c4 (2. Nf3 c6 3. e3 (3. Bf4 Bf5 4. e3 (4. c3 e6) 4... e6 (4... Qb6
5. Qc1 Nf6 6. Nbd2 e6) 5. Bd3 Bxd3 6. Qxd3 Bd6 7. Bg3 Nf6 $11 {Andersson,U -
Chiburdanidze,M, Haninge 1988 Game #16}) 3... Bf5 (3... Bg4 4. c4 e6 5. Nc3 (5.
Qb3 Qc7 (5... Qb6 6. Ne5 Bf5 7. Nc3 Nf6 $11) 6. Ne5 Bf5 $11) 5... Nd7 6. h3 (6.
cxd5 exd5 7. Bd3 Ngf6 8. Qb3 Qc7 (8... Qb6 9. Bd2 Bd6 $11) 9. Bd2 Bd6 10. Rc1
Qb6 11. Qxb6 Nxb6 $11) 6... Bh5 7. g4 Bg6 8. h4 Ngf6 9. Ne5 (9. h5 Be4 10. g5
Bxf3 11. Qxf3 Ne4) 9... dxc4 10. Nxc4 h5 $11) 4. c4 e6 5. Nc3 Nd7 6. Bd3 Bxd3
7. Qxd3 f5 {Æ} 8. cxd5 cxd5 9. O-O Bd6 10. h4 a6 {Razumova,T - Polyakova,N,
ch-RUS women Elista RUS 1997 Game #15 Anti-Colle}) 2... e6 3. Nc3 (3. Nf3 c6 4.
e3 Nf6 (4... Bd6 5. Nc3 f5) 5. Nc3 a6 {has transposed to the Accelerated Meran
= see below.}) 3... c6 4. e3 (4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 (6. Nc3 c5 7. Nf3
Nf6 8. Be3 Nc6 9. Be2 (9. dxc5 Qa5) 9... Ng4 10. d5 Nxe3 11. fxe3 Ne7 12. e4
O-O 13. O-O exd5 14. cxd5 Ng6 $11 {Seirawan - Georgiev, Brussels 1992 blitz
Game #14}) 6... Qxd4 7. Bxb4 Qxe4+ 8. Be2 {Marshall Gambit - main line. Æ} (8.
Ne2 Nd7 (8... Ne7 9. Qd2 Nd7 10. f3; 8... Na6 9. Bf8 {Æ} 9... Ne7 10. Bxg7 Rg8
(10... Nb4 $5) 11. Bc3 (11. Bf6 Qxc4 12. Ng3 Qf4 13. Bc3 Nc5 14. Qc2 e5
{Kharlov - Filippov, Kazan: RUS 2001}) 11... Nf5 (11... Qxc4 12. Ng3 Qf4 13.
Bxa6 $16) 12. Qd2 Qxc4 13. Nf4 (13. Rd1 $18) 13... Qe4+ 14. Be2 Nc7 {Sarkov -
Das, Game #12}) 9. Qd6 (9. Qd2 c5 10. Bc3 Ngf6 11. O-O-O O-O 12. Ng3 Qh4 $1 13.
Be2 b6 {Line #13} 14. f3) 9... a5 10. Ba3 (10. Bc3 Ngf6 11. b3 (11. O-O-O $2
Qxc4) 11... c5 12. Rd1 Ra6 13. Qd2 O-O) 10... Qe5 11. Qd2 (11. O-O-O Qxd6 12.
Bxd6 $11) 11... c5 $11 12. f4 Qb8 13. O-O-O (13. Nc3 Ngf6) 13... b6
{Wells,Peter - Dao Thien Hai , HUN-ch 1997}) 8... c5 $11 9. Bxc5 (9. Bc3 Nc6
10. Nf3 (10. Bxg7 Qxg2 11. Bxh8 Qxh1 12. Kf1 Qxh2 $17 13. Qd3 Bd7 14. Rd1
O-O-O; 10. Qd6 Nge7 11. Qxc5 (11. Bxg7 Nf5) 11... O-O; 10. Qd2 e5 11. Nf3 f6
12. O-O Nge7 13. Bd3 Qg4 $17) 10... f6 11. O-O Nge7 12. Re1 Qf4 {Leveille -
Lesiege, Hamilton CA 1994 Game #11}) 9... Qxg2 10. Bf3 (10. Qd6 Nd7 11. O-O-O
Qc6 12. Qxc6 bxc6 13. Bd6 Ne7 (13... Bb7 14. c5 (14. Bf3 Nh6 (14... Ne7) 15.
Ne2 Nf5; 14. Nf3 Nh6 (14... Ne7 15. Ne5 Nxe5 16. Bxe5 f6 17. Bd6 Kf7 18. Bc5
Rhd8 19. Kc2 $14) 15. Ne5 $1 (15. Bd3 c5 $17) 15... Nf5 16. Nxd7 Kxd7 17. Bb4+
Kc8 18. Bc3 Rg8; 14. Nh3 Nh6 15. Bd3 f6) 14... Ne7 15. Nf3 Nf5 {Shishkin -
Kantorik, Krakow 2001 Game #9}) 14. Bd3 Bb7 15. Ne2 Nc8 $13 (15... c5) 16. Bc7
Ncb6 17. b3 (17. Rhg1 O-O 18. Bd6 Rfd8 19. b3 c5 $11) 17... O-O $11; 10. Qd2
Qxh1 11. O-O-O Nd7 12. Nf3 Qg2 13. Ba3 (13. Ne5 Ngf6 14. Qd6 Qg5+ 15. f4 Ne4 $1
16. fxg5 Nxd6 17. Bxd6 h6 $19) 13... a5 14. Ne5 Ngf6 15. Bh5 Ra6 $13 {Sulava -
Palac, Croatia 1995 Game #10}) 10... Qg5 11. Bd6 (11. Qd6 Nd7 12. Be3 Qa5+ 13.
b4 Qe5 $17; 11. Ba3; 11. Qd4 Nd7) 11... Nc6 12. Ne2 Nge7 13. Rg1 Qf6 14. Nc3
Nd4 $1 {Æ} 15. Bh1 $2 (15. Be4 Ndf5 16. Ba3 $13 Qe5; 15. Bh5 Nef5 16. Rg4 (16.
Ne4 $2 Qh4 17. Bg4 Ne3 18. Qxd4 Nc2+ $19) 16... Nxd6 17. Rxd4 Nf5 $17 {Clitan -
Posedaru, Belgrade 2008}) 15... Ndf5 16. Ba3 Qe5+ 17. Be4 Qxh2 $19 {Spraggett -
Gentes, Canada zt 1992 Game #8}; 4. Nf3 dxc4 5. a4 (5. e3 b5 6. Bd2 (6. a4 Bb4
{transposes}) 6... Bb4 7. a3 Bxc3 8. Bxc3 Nf6 $11 9. Nd2 O-O 10. Be2 Bb7 11.
Bf3 Nbd7 12. O-O Qc7 13. Qc2 a6 $17 {black has an extra pawn. Tedchik -
Darbinian, Marianska Lazna Open 2010, Game #7}; 5. e4 b5 6. a4 (6. Bg5 Qb6 7.
Be2 Nd7 (7... Bb7) 8. d5 cxd5 9. exd5 e5 10. O-O Ngf6 (10... f6 11. Be3 Bc5)
11. a4 b4 12. a5 (12. Nb1 Ba6) 12... Qb8 13. Nb1 Bd6 14. h3 O-O 15. Bxc4 Ne4
$11 {Bernev - Baburin, Cork Congress 2010}) 6... Bb4 7. Bd2 Nf6 8. Qb1 a6 9.
Be2 (9. axb5 Bxc3 10. Bxc3 cxb5 11. b3 cxb3 (11... Bb7) 12. Bxb5+ Bd7 13. Bxd7+
Nbxd7 14. Qxb3 Nxe4) 9... Bb7 10. O-O Be7 11. Rd1 Nbd7 {Jobava - Bacrot,
Linares 2001 Game #6}) 5... Bb4 6. e3 (6. Bd2 b5 7. e3 a5 8. axb5 Bxc3 9. Bxc3
cxb5 {transposes back to the main line.}) 6... b5 7. Bd2 (7. Ne5 Nf6 8. Qf3 Qd5
9. Qg3 O-O $17) 7... a5 (7... Bb7 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 a5) 8. axb5
Bxc3 9. Bxc3 (9. bxc3 cxb5 10. Ne5 Nf6 11. Rb1 (11. Qb1 Bd7 {Stempin - Weyrich,
Copenhagen 1990}) 11... Ba6 {Matveeva - Polgar,Zsuzsa , Moscow ol (Women) 1994
Game #5}) 9... cxb5 10. b3 (10. Ne5 Nf6 11. Be2 (11. Qf3 Qd5; 11. b3)) 10...
Bb7 11. bxc4 (11. d5 {Æ} 11... Nf6 12. bxc4 b4 13. Bxf6 (13. Qa4+ Nbd7 14. Bxf6
Qxf6) 13... Qxf6 14. Qa4+ Nd7 15. Nd4 e5 16. Nb3 Ke7 17. Qb5 (17. Be2 Rhc8 18.
Bg4 (18. Rd1 Nc5 19. Nxc5 Rxc5 20. O-O Kf8 21. f4 Rd8 $13 (21... Re8 $5) 22.
Qa1 (22. Kh1 Kg8 23. Bd3 h6 $5 (23... e4 {Nikolaidis - Mastrovasilis, Athens
1998}; 23... Qe7) 24. Qb3 Ba6) 22... Re8 {Gelfand - Vaisser, Cap d'Agde 1996})
18... Qd6 19. Nxa5 Rc5 (19... Rxa5 20. Qxa5) 20. Nxb7 Rxa4 21. Rxa4 Qg6 $1 22.
O-O Qxg4 23. Nxc5 Nxc5 24. Rxb4 Qe2 25. h3 g6 $17 {Naumann - Stangl, Germany:
Bundesliga 1996}) 17... Ba6 18. Qxa5 Rhb8 19. d6+ Ke8 $13 {Serebrjanik -
Maksimenko, Vrnjacka Banja 1991 Game #4 and many other games. Æ}) 11... b4 12.
Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O {Æ} 15. Qc2 (15. Re1 Ne4 $1 16. Nd2 Nxd2 17.
Qxd2 Qc7 18. c5 (18. e4 e5 19. Re3 exd4 20. Bxd4 Ne5 $17 {Ellers,Holger (2405)
- Stangl,Markus (2530), Germany: Bundesliga 1997}) 18... f5 19. f3 (19. e4 fxe4
20. Bxe4 Bxe4 21. Rxe4 Nf6 22. Rxe6 Ng4 23. Rd6 Rxf2 $13) 19... Nf6
{Sadler,Matthew (2650) - Krasenkow,Michal (2660), Germany: Bundesliga 1998 Game
#2}; 15. Nd2 Re8 $5 (15... Qc7 16. f4 a4 17. Rb1 Rfd8) 16. f4 (16. Bc2 Qc7 17.
f4 Nb6 {Klimov - Matlakov St Petersburg 2007}) 16... Nc5 17. Bc2 Nce4 18. Nf3
Qc7 (18... Nd7) 19. Ne5 Nd7 {Pham Minh Hoang - Bui Vinh, VIE-ch 2000 Game #3})
15... Qc7 (15... h6 $5 16. c5 (16. e4 e5 17. c5 Rc8 $5 (17... Qc7 {transposes
to the main line.}); 16. Nd2; 16. Qd1) 16... Bc6 17. e4 Ra7 18. Nd2 Qa8
{Francois Marchand (2244) - Natalia Zhukova (2462), Caleta ENG: Gibraltar (3)
2010 Æ}) 16. e4 (16. c5 Bc6 17. e4 h6) 16... e5 17. c5 (17. d5 Rfe8 18. Rfe1
Nc5; 17. Rfe1 Rfe8 18. c5 h6; 17. Nxe5 Nxe5 18. dxe5 Ng4) 17... exd4 18. Bxd4
{Æ} 18... h6 $11 (18... Ng4 {Zuger,Beat - Klinger,J, Bern (1) 1991 Game #1})
19. e5 (19. Rfc1 Bc6 20. Qb2 Rfe8 21. Nd2 Ne5 (21... Reb8) 22. Bb1 {Monteleone
- Ortega, Vitinia 1998}) 19... Nd5 20. e6 (20. Bc4) 20... fxe6 {Nordahl - Leer,
NOR-ch 1999 and Zaichko - Karpeshov, RUS-ch 1999}; 4. cxd5 exd5 {Exchange QGD}
5. Nf3 (5. Bf4 Nf6 6. e3 Bd6 7. Bxd6 Qxd6 8. Bd3 O-O 9. Qc2 Bg4 $5 $11 {Windsor
- Vanush, EU Ch 2010, Game #20 and Newton,Geoff - Pua,Richard, Edmonton 2005})
5... Bf5 6. Bf4 (6. Bg5 Be7) 6... Bd6 $11 7. Bxd6 Qxd6 8. e3 Nf6 9. Bd3 Bxd3
10. Qxd3 O-O 11. O-O Nbd7 12. Rab1 a5 13. a3 Rfe8 {Shevatkin - Brukavishin,
Russia 2010, Game #19.}) 4... Nf6 (4... Bd6 $5 5. Bd3 (5. Qc2 f5 6. Bd3) 5...
f5 6. Qc2 Nf6 (6... Ne7; 6... a6 7. c5 Bc7) 7. cxd5 (7. f4 O-O) 7... cxd5 8.
Nb5 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 $11 Nc6 (10... a6); 4... f5 5. Bd3 (5. g4 $5)
5... Nf6 6. Qc2 Bd6 (6... Ne4 7. Nge2 Bd6 8. O-O O-O 9. f3 Na6) 7. f3 (7. cxd5)
7... O-O $13) 5. Nf3 a6 {Accelerated Meran Alekhine Variation} 6. Bd3 (6. Qc2
b5 7. b3 Bb4 (7... Nbd7) 8. Bd2 Nbd7 9. Bd3 Bb7 10. O-O Qe7 11. a3 Bd6 {Najdorf
- Teschner, Helsinki olm 1952 Game 18}) 6... dxc4 7. Bxc4 b5 8. Bb3 (8. Bd3 c5
9. O-O Nbd7 10. Qe2 Bb7 11. Rd1 Qb8 $11) 8... c5 9. O-O Bb7 10. Qe2 Nbd7 11.
Rd1 Qb8 $11 12. d5 (12. e4 cxd4 13. Nxd4 b4 {Berberich - Rabiega, Berlin 1996}
(13... Bd6)) 12... c4 (12... Nxd5) 13. dxe6 fxe6 14. Bc2 Bd6 15. e4 O-O
{Sagalchik,G - Ibragimov,I, Katowice (1) 1990 Game #17}  *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Semi-Slav"]
[Black "Triangle System"]
[Result "*"]
[PlyCount "30"]

1. d4 d5 2. c4 (2. Nf3 c6 3. e3 (3. Bf4 Bf5 4. e3 (4. c3 e6) 4... e6 (4... Qb6
5. Qc1 Nf6 6. Nbd2 e6) 5. Bd3 Bxd3 6. Qxd3 Bd6 7. Bg3 Nf6 $11 {Andersson,U -
Chiburdanidze,M, Haninge 1988 Game #16}) 3... Bf5 (3... Bg4 4. c4 e6 5. Nc3 (5.
Qb3 Qc7 (5... Qb6 6. Ne5 Bf5 7. Nc3 Nf6 $11) 6. Ne5 Bf5 $11) 5... Nd7 6. h3 (6.
cxd5 exd5 7. Bd3 Ngf6 8. Qb3 Qc7 (8... Qb6 9. Bd2 Bd6 $11) 9. Bd2 Bd6 10. Rc1
Qb6 11. Qxb6 Nxb6 $11) 6... Bh5 7. g4 Bg6 8. h4 Ngf6 9. Ne5 (9. h5 Be4 10. g5
Bxf3 11. Qxf3 Ne4) 9... dxc4 10. Nxc4 h5 $11) 4. c4 e6 5. Nc3 Nd7 6. Bd3 Bxd3
7. Qxd3 f5 {Æ} 8. cxd5 cxd5 9. O-O Bd6 10. h4 a6 {Razumova,T - Polyakova,N,
ch-RUS women Elista RUS 1997 Game #15 Anti-Colle}) 2... e6 3. Nc3 (3. Nf3 c6 4.
e3 Nf6 (4... Bd6 5. Nc3 f5) 5. Nc3 a6 {has transposed to the Accelerated Meran
= see below.}) 3... c6 4. e3 (4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 (6. Nc3 c5 7. Nf3
Nf6 8. Be3 Nc6 9. Be2 (9. dxc5 Qa5) 9... Ng4 10. d5 Nxe3 11. fxe3 Ne7 12. e4
O-O 13. O-O exd5 14. cxd5 Ng6 $11 {Seirawan - Georgiev, Brussels 1992 blitz
Game #14}) 6... Qxd4 7. Bxb4 Qxe4+ 8. Be2 {Marshall Gambit - main line. Æ} (8.
Ne2 Nd7 (8... Ne7 9. Qd2 Nd7 10. f3; 8... Na6 9. Bf8 {Æ} 9... Ne7 10. Bxg7 Rg8
(10... Nb4 $5) 11. Bc3 (11. Bf6 Qxc4 12. Ng3 Qf4 13. Bc3 Nc5 14. Qc2 e5
{Kharlov - Filippov, Kazan: RUS 2001}) 11... Nf5 (11... Qxc4 12. Ng3 Qf4 13.
Bxa6 $16) 12. Qd2 Qxc4 13. Nf4 (13. Rd1 $18) 13... Qe4+ 14. Be2 Nc7 {Sarkov -
Das, Game #12}) 9. Qd6 (9. Qd2 c5 10. Bc3 Ngf6 11. O-O-O O-O 12. Ng3 Qh4 $1 13.
Be2 b6 {Line #13} 14. f3) 9... a5 10. Ba3 (10. Bc3 Ngf6 11. b3 (11. O-O-O $2
Qxc4) 11... c5 12. Rd1 Ra6 13. Qd2 O-O) 10... Qe5 11. Qd2 (11. O-O-O Qxd6 12.
Bxd6 $11) 11... c5 $11 12. f4 Qb8 13. O-O-O (13. Nc3 Ngf6) 13... b6
{Wells,Peter - Dao Thien Hai , HUN-ch 1997}) 8... c5 $11 9. Bxc5 (9. Bc3 Nc6
10. Nf3 (10. Bxg7 Qxg2 11. Bxh8 Qxh1 12. Kf1 Qxh2 $17 13. Qd3 Bd7 14. Rd1
O-O-O; 10. Qd6 Nge7 11. Qxc5 (11. Bxg7 Nf5) 11... O-O; 10. Qd2 e5 11. Nf3 f6
12. O-O Nge7 13. Bd3 Qg4 $17) 10... f6 11. O-O Nge7 12. Re1 Qf4 {Leveille -
Lesiege, Hamilton CA 1994 Game #11}) 9... Qxg2 10. Bf3 (10. Qd6 Nd7 11. O-O-O
Qc6 12. Qxc6 bxc6 13. Bd6 Ne7 (13... Bb7 14. c5 (14. Bf3 Nh6 (14... Ne7) 15.
Ne2 Nf5; 14. Nf3 Nh6 (14... Ne7 15. Ne5 Nxe5 16. Bxe5 f6 17. Bd6 Kf7 18. Bc5
Rhd8 19. Kc2 $14) 15. Ne5 $1 (15. Bd3 c5 $17) 15... Nf5 16. Nxd7 Kxd7 17. Bb4+
Kc8 18. Bc3 Rg8; 14. Nh3 Nh6 15. Bd3 f6) 14... Ne7 15. Nf3 Nf5 {Shishkin -
Kantorik, Krakow 2001 Game #9}) 14. Bd3 Bb7 15. Ne2 Nc8 $13 (15... c5) 16. Bc7
Ncb6 17. b3 (17. Rhg1 O-O 18. Bd6 Rfd8 19. b3 c5 $11) 17... O-O $11; 10. Qd2
Qxh1 11. O-O-O Nd7 12. Nf3 Qg2 13. Ba3 (13. Ne5 Ngf6 14. Qd6 Qg5+ 15. f4 Ne4 $1
16. fxg5 Nxd6 17. Bxd6 h6 $19) 13... a5 14. Ne5 Ngf6 15. Bh5 Ra6 $13 {Sulava -
Palac, Croatia 1995 Game #10}) 10... Qg5 11. Bd6 (11. Qd6 Nd7 12. Be3 Qa5+ 13.
b4 Qe5 $17; 11. Ba3; 11. Qd4 Nd7) 11... Nc6 12. Ne2 Nge7 13. Rg1 Qf6 14. Nc3
Nd4 $1 {Æ} 15. Bh1 $2 (15. Be4 Ndf5 16. Ba3 $13 Qe5; 15. Bh5 Nef5 16. Rg4 (16.
Ne4 $2 Qh4 17. Bg4 Ne3 18. Qxd4 Nc2+ $19) 16... Nxd6 17. Rxd4 Nf5 $17 {Clitan -
Posedaru, Belgrade 2008}) 15... Ndf5 16. Ba3 Qe5+ 17. Be4 Qxh2 $19 {Spraggett -
Gentes, Canada zt 1992 Game #8}; 4. Nf3 dxc4 5. a4 (5. e3 b5 6. Bd2 (6. a4 Bb4
{transposes}) 6... Bb4 7. a3 Bxc3 8. Bxc3 Nf6 $11 9. Nd2 O-O 10. Be2 Bb7 11.
Bf3 Nbd7 12. O-O Qc7 13. Qc2 a6 $17 {black has an extra pawn. Tedchik -
Darbinian, Marianska Lazna Open 2010, Game #7}; 5. e4 b5 6. a4 (6. Bg5 Qb6 7.
Be2 Nd7 (7... Bb7) 8. d5 cxd5 9. exd5 e5 10. O-O Ngf6 (10... f6 11. Be3 Bc5)
11. a4 b4 12. a5 (12. Nb1 Ba6) 12... Qb8 13. Nb1 Bd6 14. h3 O-O 15. Bxc4 Ne4
$11 {Bernev - Baburin, Cork Congress 2010}) 6... Bb4 7. Bd2 Nf6 8. Qb1 a6 9.
Be2 (9. axb5 Bxc3 10. Bxc3 cxb5 11. b3 cxb3 (11... Bb7) 12. Bxb5+ Bd7 13. Bxd7+
Nbxd7 14. Qxb3 Nxe4) 9... Bb7 10. O-O Be7 11. Rd1 Nbd7 {Jobava - Bacrot,
Linares 2001 Game #6}) 5... Bb4 6. e3 (6. Bd2 b5 7. e3 a5 8. axb5 Bxc3 9. Bxc3
cxb5 {transposes back to the main line.}) 6... b5 7. Bd2 (7. Ne5 Nf6 8. Qf3 Qd5
9. Qg3 O-O $17) 7... a5 (7... Bb7 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 a5) 8. axb5
Bxc3 9. Bxc3 (9. bxc3 cxb5 10. Ne5 Nf6 11. Rb1 (11. Qb1 Bd7 {Stempin - Weyrich,
Copenhagen 1990}) 11... Ba6 {Matveeva - Polgar,Zsuzsa , Moscow ol (Women) 1994
Game #5}) 9... cxb5 10. b3 (10. Ne5 Nf6 11. Be2 (11. Qf3 Qd5; 11. b3)) 10...
Bb7 11. bxc4 (11. d5 {Æ} 11... Nf6 12. bxc4 b4 13. Bxf6 (13. Qa4+ Nbd7 14. Bxf6
Qxf6) 13... Qxf6 14. Qa4+ Nd7 15. Nd4 e5 16. Nb3 Ke7 17. Qb5 (17. Be2 Rhc8 18.
Bg4 (18. Rd1 Nc5 19. Nxc5 Rxc5 20. O-O Kf8 21. f4 Rd8 $13 (21... Re8 $5) 22.
Qa1 (22. Kh1 Kg8 23. Bd3 h6 $5 (23... e4 {Nikolaidis - Mastrovasilis, Athens
1998}; 23... Qe7) 24. Qb3 Ba6) 22... Re8 {Gelfand - Vaisser, Cap d'Agde 1996})
18... Qd6 19. Nxa5 Rc5 (19... Rxa5 20. Qxa5) 20. Nxb7 Rxa4 21. Rxa4 Qg6 $1 22.
O-O Qxg4 23. Nxc5 Nxc5 24. Rxb4 Qe2 25. h3 g6 $17 {Naumann - Stangl, Germany:
Bundesliga 1996}) 17... Ba6 18. Qxa5 Rhb8 19. d6+ Ke8 $13 {Serebrjanik -
Maksimenko, Vrnjacka Banja 1991 Game #4 and many other games. Æ}) 11... b4 12.
Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O {Æ} 15. Qc2 (15. Re1 Ne4 $1 16. Nd2 Nxd2 17.
Qxd2 Qc7 18. c5 (18. e4 e5 19. Re3 exd4 20. Bxd4 Ne5 $17 {Ellers,Holger (2405)
- Stangl,Markus (2530), Germany: Bundesliga 1997}) 18... f5 19. f3 (19. e4 fxe4
20. Bxe4 Bxe4 21. Rxe4 Nf6 22. Rxe6 Ng4 23. Rd6 Rxf2 $13) 19... Nf6
{Sadler,Matthew (2650) - Krasenkow,Michal (2660), Germany: Bundesliga 1998 Game
#2}; 15. Nd2 Re8 $5 (15... Qc7 16. f4 a4 17. Rb1 Rfd8) 16. f4 (16. Bc2 Qc7 17.
f4 Nb6 {Klimov - Matlakov St Petersburg 2007}) 16... Nc5 17. Bc2 Nce4 18. Nf3
Qc7 (18... Nd7) 19. Ne5 Nd7 {Pham Minh Hoang - Bui Vinh, VIE-ch 2000 Game #3})
15... Qc7 (15... h6 $5 16. c5 (16. e4 e5 17. c5 Rc8 $5 (17... Qc7 {transposes
to the main line.}); 16. Nd2; 16. Qd1) 16... Bc6 17. e4 Ra7 18. Nd2 Qa8
{Francois Marchand (2244) - Natalia Zhukova (2462), Caleta ENG: Gibraltar (3)
2010 Æ}) 16. e4 (16. c5 Bc6 17. e4 h6) 16... e5 17. c5 (17. d5 Rfe8 18. Rfe1
Nc5; 17. Rfe1 Rfe8 18. c5 h6; 17. Nxe5 Nxe5 18. dxe5 Ng4) 17... exd4 18. Bxd4
{Æ} 18... h6 $11 (18... Ng4 {Zuger,Beat - Klinger,J, Bern (1) 1991 Game #1})
19. e5 (19. Rfc1 Bc6 20. Qb2 Rfe8 21. Nd2 Ne5 (21... Reb8) 22. Bb1 {Monteleone
- Ortega, Vitinia 1998}) 19... Nd5 20. e6 (20. Bc4) 20... fxe6 {Nordahl - Leer,
NOR-ch 1999 and Zaichko - Karpeshov, RUS-ch 1999}; 4. cxd5 exd5 {Exchange QGD}
5. Nf3 (5. Bf4 Nf6 6. e3 Bd6 7. Bxd6 Qxd6 8. Bd3 O-O 9. Qc2 Bg4 $5 $11 {Windsor
- Vanush, EU Ch 2010, Game #20 and Newton,Geoff - Pua,Richard, Edmonton 2005})
5... Bf5 6. Bf4 (6. Bg5 Be7) 6... Bd6 $11 7. Bxd6 Qxd6 8. e3 Nf6 9. Bd3 Bxd3
10. Qxd3 O-O 11. O-O Nbd7 12. Rab1 a5 13. a3 Rfe8 {Shevatkin - Brukavishin,
Russia 2010, Game #19.}) 4... Nf6 (4... Bd6 $5 5. Bd3 (5. Qc2 f5 6. Bd3) 5...
f5 6. Qc2 Nf6 (6... Ne7; 6... a6 7. c5 Bc7) 7. cxd5 (7. f4 O-O) 7... cxd5 8.
Nb5 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 $11 Nc6 (10... a6); 4... f5 5. Bd3 (5. g4 $5)
5... Nf6 6. Qc2 Bd6 (6... Ne4 7. Nge2 Bd6 8. O-O O-O 9. f3 Na6) 7. f3 (7. cxd5)
7... O-O $13) 5. Nf3 a6 {Accelerated Meran Alekhine Variation} 6. Bd3 (6. Qc2
b5 7. b3 Bb4 (7... Nbd7) 8. Bd2 Nbd7 9. Bd3 Bb7 10. O-O Qe7 11. a3 Bd6 {Najdorf
- Teschner, Helsinki olm 1952 Game 18}) 6... dxc4 7. Bxc4 b5 8. Bb3 (8. Bd3 c5
9. O-O Nbd7 10. Qe2 Bb7 11. Rd1 Qb8 $11) 8... c5 9. O-O Bb7 10. Qe2 Nbd7 11.
Rd1 Qb8 $11 12. d5 (12. e4 cxd4 13. Nxd4 b4 {Berberich - Rabiega, Berlin 1996}
(13... Bd6)) 12... c4 (12... Nxd5) 13. dxe6 fxe6 14. Bc2 Bd6 15. e4 O-O
{Sagalchik,G - Ibragimov,I, Katowice (1) 1990 Game #17}  *

[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1977.01.00"]
[Round "1"]
[White "Kavalek, L"]
[Black "Timman, J"]
[Result "1/2-1/2"]
[PlyCount "28"]
[WhiteElo "2545"]
[BlackElo "2590"]

1. Nf3 d5 2. d4 Bf5 3. c4 e6 4. Nc3 c6 5. cxd5 exd5 6. Bf4 Nf6 7. e3 Bd6 8.
Bxd6 Qxd6 9. Bd3 Bxd3 10. Qxd3 Nbd7 11. O-O O-O 12. Rab1 a5 13. Rfc1 Rfe8 14.
Qc2 h6 1/2-1/2 

[Event "ch-URS"]
[Site "leger  (Simferopol)"]
[Date "1989.??.??"]
[Round "1"]
[White "Serebro, A"]
[Black "Ivanov, A"]
[Result "0-1"]
[PlyCount "124"]
[BlackElo "2470"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. cxd5 exd5 5. Nc3 c6 6. Bf4 Bd6 7. Bxd6 Qxd6 8.
e3 Bf5 9. Bd3 Bxd3 10. Qxd3 Nbd7 11. O-O O-O 12. Rab1 a5 13. Rfc1 Rfe8 14. Nd2
g6 15. a3 a4 16. Qc2 b5 17. Na2 Rac8 18. Nb4 c5 19. dxc5 Nxc5 20. Nd3 Nfe4 21.
Nxc5 Qxc5 22. Qxc5 Nxc5 23. Kf1 Nd3 24. Rxc8 Rxc8 25. Ke2 Nc1+ 26. Kd1 Nd3 27.
f4 Nf2+ 28. Ke2 Rc2 29. Kxf2 Rxd2+ 30. Kf3 f5 31. b3 Rd3 32. bxa4 bxa4 33. Rb4
Rxa3 34. Rd4 Ra1 35. Rxd5 a3 36. Ra5 Kf7 37. h3 Ke6 38. g4 a2 39. gxf5+ gxf5
40. Kg2 Kd6 41. Kh2 Kc6 42. Kg2 Kb6 43. Ra8 Kb5 44. Kh2 Kc4 45. Ra7 Kd3 46.
Ra3+ Ke4 47. Kg2 h6 48. h4 h5 49. Ra8 Kxe3 50. Ra4 Rd1 51. Ra3+ Rd3 52. Ra4
Rd2+ 53. Kg3 Rb2 54. Ra5 Kd2 55. Kf3 Kc1 56. Ke3 Kb1 57. Kd4 a1=Q 58. Rxa1+
Kxa1 59. Ke5 Rb5+ 60. Kf6 Kb2 61. Kg5 Kc3 62. Kxh5 Kd4 0-1 

[Event "Brno"]
[Site "?"]
[Date "1994.??.??"]
[Round "1"]
[White "Saljova, Sylvie"]
[Black "Schlindwein, Rolf"]
[Result "1/2-1/2"]
[PlyCount "29"]

1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Nf3 c6 5. cxd5 exd5 6. Bf4 Nf6 7. e3 Bd6 8.
Bxd6 Qxd6 9. Bd3 Bxd3 10. Qxd3 Nbd7 11. O-O O-O 12. Rab1 a5 13. Rfc1 Rfe8 14.
Nd2 g6 15. Na4 1/2-1/2 

[Event "Sochi"]
[Site "?"]
[Date "1973.??.??"]
[Round "1"]
[White "Kholmov, R"]
[Black "Tal, M"]
[Result "1/2-1/2"]
[PlyCount "32"]
[WhiteElo "2550"]
[BlackElo "2655"]

1. d4 e6 2. c4 d5 3. Nc3 c6 4. cxd5 exd5 5. Nf3 Bf5 6. Bf4 Bd6 7. Bxd6 Qxd6 8.
e3 Nf6 9. Bd3 Bxd3 10. Qxd3 Nbd7 11. O-O O-O 12. Rab1 a5 13. Qc2 Rfe8 14. Nd2
Ng4 15. Nf3 Ngf6 16. Nd2 Ng4 1/2-1/2 

[Event "St John"]
[Site "?"]
[Date "1988.??.??"]
[Round "1"]
[White "Minaya, Juan"]
[Black "Semkov, S"]
[Result "0-1"]
[PlyCount "46"]

1. c4 e6 2. Nf3 d5 3. d4 c6 4. cxd5 exd5 5. Nc3 Bf5 6. Bf4 Bd6 7. Bxd6 Qxd6 8.
e3 Nd7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. O-O O-O 12. Rab1 a5 13. a3 Rfe8 14. b4
axb4 15. axb4 b5 16. Nd2 Ng4 17. Nf3 Ngf6 18. Nd2 Ra3 19. f3 Re6 20. Rfd1 Nb6
21. e4 dxe4 22. fxe4 Na4 23. Rbc1 Nb2 0-1 

[Event "Moscow"]
[Site "?"]
[Date "1984.??.??"]
[Round "1"]
[White "Rashkovsky, N"]
[Black "Antoshin, Vladimir"]
[Result "1/2-1/2"]
[PlyCount "24"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. cxd5 exd5 6. Bf4 Bd6 7. Bxd6 Qxd6 8.
e3 Bf5 9. Bd3 Bxd3 10. Qxd3 O-O 11. O-O Nbd7 12. Rab1 a5 1/2-1/2 

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Semi-Slav"]
[Black "Triangle System"]
[Result "*"]
[PlyCount "40"]

1. d4 d5 2. c4 (2. Nf3 c6 3. e3 (3. Bf4 Bf5 4. e3 (4. c3 e6) 4... e6 (4... Qb6
5. Qc1 Nf6 6. Nbd2 e6) 5. Bd3 Bxd3 6. Qxd3 Bd6 7. Bg3 Nf6 $11 {Andersson,U -
Chiburdanidze,M, Haninge 1988 Game #16}) 3... Bf5 (3... Bg4 4. c4 e6 5. Nc3 (5.
Qb3 Qc7 (5... Qb6 6. Ne5 Bf5 7. Nc3 Nf6 $11) 6. Ne5 Bf5 $11) 5... Nd7 6. h3 (6.
cxd5 exd5 7. Bd3 Ngf6 8. Qb3 Qc7 (8... Qb6 9. Bd2 Bd6 $11) 9. Bd2 Bd6 10. Rc1
Qb6 11. Qxb6 Nxb6 $11) 6... Bh5 7. g4 Bg6 8. h4 Ngf6 9. Ne5 (9. h5 Be4 10. g5
Bxf3 11. Qxf3 Ne4) 9... dxc4 10. Nxc4 h5 $11) 4. c4 e6 5. Nc3 Nd7 6. Bd3 Bxd3
7. Qxd3 f5 {Æ} 8. cxd5 cxd5 9. O-O Bd6 10. h4 a6 {Razumova,T - Polyakova,N,
ch-RUS women Elista RUS 1997 Game #15 Anti-Colle}) 2... e6 3. Nc3 (3. Nf3 c6 4.
e3 Nf6 (4... Bd6 5. Nc3 f5) 5. Nc3 a6 {has transposed to the Accelerated Meran
= see below.}) 3... c6 4. Nf3 (4. e3 Nf6 (4... Bd6 $5 5. Bd3 (5. Qc2 f5 6. Bd3)
5... f5 6. Qc2 Nf6 (6... Ne7; 6... a6 7. c5 Bc7) 7. cxd5 (7. f4 O-O) 7... cxd5
8. Nb5 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 $11 Nc6 (10... a6); 4... f5 5. Bd3 (5. g4 $5)
5... Nf6 6. Qc2 Bd6 (6... Ne4 7. Nge2 Bd6 8. O-O O-O 9. f3 Na6) 7. f3 (7. cxd5)
7... O-O $13) 5. Nf3 a6 {Accelerated Meran Alekhine Variation} 6. Bd3 (6. Qc2
b5 7. b3 Bb4 (7... Nbd7) 8. Bd2 Nbd7 9. Bd3 Bb7 10. O-O Qe7 11. a3 Bd6 {Najdorf
- Teschner, Helsinki olm 1952 Game 18}) 6... dxc4 7. Bxc4 b5 8. Bb3 (8. Bd3 c5
9. O-O Nbd7 10. Qe2 Bb7 11. Rd1 Qb8 $11) 8... c5 9. O-O Bb7 10. Qe2 Nbd7 11.
Rd1 Qb8 $11 12. d5 (12. e4 cxd4 13. Nxd4 b4 {Berberich - Rabiega, Berlin 1996}
(13... Bd6)) 12... c4 (12... Nxd5) 13. dxe6 fxe6 14. Bc2 Bd6 15. e4 O-O
{Sagalchik,G - Ibragimov,I, Katowice (1) 1990 Game #17}; 4. e4 dxe4 5. Nxe4
Bb4+ 6. Bd2 (6. Nc3 c5 7. Nf3 Nf6 8. Be3 Nc6 9. Be2 (9. dxc5 Qa5) 9... Ng4 10.
d5 Nxe3 11. fxe3 Ne7 12. e4 O-O 13. O-O exd5 14. cxd5 Ng6 $11 {Seirawan -
Georgiev, Brussels 1992 blitz Game #14}) 6... Qxd4 7. Bxb4 Qxe4+ 8. Be2
{Marshall Gambit - main line. Æ} (8. Ne2 Nd7 (8... Ne7 9. Qd2 Nd7 10. f3; 8...
Na6 9. Bf8 {Æ} 9... Ne7 10. Bxg7 Rg8 (10... Nb4 $5) 11. Bc3 (11. Bf6 Qxc4 12.
Ng3 Qf4 13. Bc3 Nc5 14. Qc2 e5 {Kharlov - Filippov, Kazan: RUS 2001}) 11... Nf5
(11... Qxc4 12. Ng3 Qf4 13. Bxa6 $16) 12. Qd2 Qxc4 13. Nf4 (13. Rd1 $18) 13...
Qe4+ 14. Be2 Nc7 {Sarkov - Das, Game #12}) 9. Qd6 (9. Qd2 c5 10. Bc3 Ngf6 11.
O-O-O O-O 12. Ng3 Qh4 $1 13. Be2 b6 {Line #13} 14. f3) 9... a5 10. Ba3 (10. Bc3
Ngf6 11. b3 (11. O-O-O $2 Qxc4) 11... c5 12. Rd1 Ra6 13. Qd2 O-O) 10... Qe5 11.
Qd2 (11. O-O-O Qxd6 12. Bxd6 $11) 11... c5 $11 12. f4 Qb8 13. O-O-O (13. Nc3
Ngf6) 13... b6 {Wells,Peter - Dao Thien Hai , HUN-ch 1997}) 8... c5 $11 9. Bxc5
(9. Bc3 Nc6 10. Nf3 (10. Bxg7 Qxg2 11. Bxh8 Qxh1 12. Kf1 Qxh2 $17 13. Qd3 Bd7
14. Rd1 O-O-O; 10. Qd6 Nge7 11. Qxc5 (11. Bxg7 Nf5) 11... O-O; 10. Qd2 e5 11.
Nf3 f6 12. O-O Nge7 13. Bd3 Qg4 $17) 10... f6 11. O-O Nge7 12. Re1 Qf4
{Leveille - Lesiege, Hamilton CA 1994 Game #11}) 9... Qxg2 10. Bf3 (10. Qd6 Nd7
11. O-O-O Qc6 12. Qxc6 bxc6 13. Bd6 Ne7 (13... Bb7 14. c5 (14. Bf3 Nh6 (14...
Ne7) 15. Ne2 Nf5; 14. Nf3 Nh6 (14... Ne7 15. Ne5 Nxe5 16. Bxe5 f6 17. Bd6 Kf7
18. Bc5 Rhd8 19. Kc2 $14) 15. Ne5 $1 (15. Bd3 c5 $17) 15... Nf5 16. Nxd7 Kxd7
17. Bb4+ Kc8 18. Bc3 Rg8; 14. Nh3 Nh6 15. Bd3 f6) 14... Ne7 15. Nf3 Nf5
{Shishkin - Kantorik, Krakow 2001 Game #9}) 14. Bd3 Bb7 15. Ne2 Nc8 $13 (15...
c5) 16. Bc7 Ncb6 17. b3 (17. Rhg1 O-O 18. Bd6 Rfd8 19. b3 c5 $11) 17... O-O
$11; 10. Qd2 Qxh1 11. O-O-O Nd7 12. Nf3 Qg2 13. Ba3 (13. Ne5 Ngf6 14. Qd6 Qg5+
15. f4 Ne4 $1 16. fxg5 Nxd6 17. Bxd6 h6 $19) 13... a5 14. Ne5 Ngf6 15. Bh5 Ra6
$13 {Sulava - Palac, Croatia 1995 Game #10}) 10... Qg5 11. Bd6 (11. Qd6 Nd7 12.
Be3 Qa5+ 13. b4 Qe5 $17; 11. Ba3; 11. Qd4 Nd7) 11... Nc6 12. Ne2 Nge7 13. Rg1
Qf6 14. Nc3 Nd4 $1 {Æ} 15. Bh1 $2 (15. Be4 Ndf5 16. Ba3 $13 Qe5; 15. Bh5 Nef5
16. Rg4 (16. Ne4 $2 Qh4 17. Bg4 Ne3 18. Qxd4 Nc2+ $19) 16... Nxd6 17. Rxd4 Nf5
$17 {Clitan - Posedaru, Belgrade 2008}) 15... Ndf5 16. Ba3 Qe5+ 17. Be4 Qxh2
$19 {Spraggett - Gentes, Canada zt 1992 Game #8}; 4. cxd5 exd5 {Exchange QGD}
5. Nf3 (5. Bf4 Nf6 6. e3 Bd6 7. Bxd6 Qxd6 8. Bd3 O-O 9. Qc2 Bg4 $5 $11 {Windsor
- Vanush, EU Ch 2010, Game #20 and Newton,Geoff - Pua,Richard, Edmonton 2005})
5... Bf5 6. Bf4 (6. Bg5 Be7) 6... Bd6 $11 7. Bxd6 Qxd6 8. e3 Nf6 9. Bd3 Bxd3
10. Qxd3 O-O 11. O-O Nbd7 12. Rab1 a5 13. a3 Rfe8 {Shevatkin - Brukavishin,
Russia 2010, Game #19.}) 4... dxc4 5. a4 (5. e3 b5 6. Bd2 (6. a4 Bb4
{transposes}) 6... Bb4 7. a3 Bxc3 8. Bxc3 Nf6 $11 9. Nd2 O-O 10. Be2 Bb7 11.
Bf3 Nbd7 12. O-O Qc7 13. Qc2 a6 $17 {black has an extra pawn. Tedchik -
Darbinian, Marianska Lazna Open 2010, Game #7}; 5. e4 b5 6. a4 (6. Bg5 Qb6 7.
Be2 Nd7 (7... Bb7) 8. d5 cxd5 9. exd5 e5 10. O-O Ngf6 (10... f6 11. Be3 Bc5)
11. a4 b4 12. a5 (12. Nb1 Ba6) 12... Qb8 13. Nb1 Bd6 14. h3 O-O 15. Bxc4 Ne4
$11 {Bernev - Baburin, Cork Congress 2010}) 6... Bb4 7. Bd2 Nf6 8. Qb1 a6 9.
Be2 (9. axb5 Bxc3 10. Bxc3 cxb5 11. b3 cxb3 (11... Bb7) 12. Bxb5+ Bd7 13. Bxd7+
Nbxd7 14. Qxb3 Nxe4) 9... Bb7 10. O-O Be7 11. Rd1 Nbd7 {Jobava - Bacrot,
Linares 2001 Game #6}) 5... Bb4 6. e3 (6. Bd2 b5 7. e3 a5 8. axb5 Bxc3 9. Bxc3
cxb5 {transposes back to the main line.}) 6... b5 7. Bd2 (7. Ne5 Nf6 8. Qf3 Qd5
9. Qg3 O-O $17) 7... a5 (7... Bb7 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 a5) 8. axb5
Bxc3 9. Bxc3 (9. bxc3 cxb5 10. Ne5 Nf6 11. Rb1 (11. Qb1 Bd7 {Stempin - Weyrich,
Copenhagen 1990}) 11... Ba6 {Matveeva - Polgar,Zsuzsa , Moscow ol (Women) 1994
Game #5}) 9... cxb5 10. b3 (10. Ne5 Nf6 11. Be2 (11. Qf3 Qd5; 11. b3)) 10...
Bb7 11. bxc4 (11. d5 {Æ} 11... Nf6 12. bxc4 b4 13. Bxf6 (13. Qa4+ Nbd7 14. Bxf6
Qxf6) 13... Qxf6 14. Qa4+ Nd7 15. Nd4 e5 16. Nb3 Ke7 17. Qb5 (17. Be2 Rhc8 18.
Bg4 (18. Rd1 Nc5 19. Nxc5 Rxc5 20. O-O Kf8 21. f4 Rd8 $13 (21... Re8 $5) 22.
Qa1 (22. Kh1 Kg8 23. Bd3 h6 $5 (23... e4 {Nikolaidis - Mastrovasilis, Athens
1998}; 23... Qe7) 24. Qb3 Ba6) 22... Re8 {Gelfand - Vaisser, Cap d'Agde 1996})
18... Qd6 19. Nxa5 Rc5 (19... Rxa5 20. Qxa5) 20. Nxb7 Rxa4 21. Rxa4 Qg6 $1 22.
O-O Qxg4 23. Nxc5 Nxc5 24. Rxb4 Qe2 25. h3 g6 $17 {Naumann - Stangl, Germany:
Bundesliga 1996}) 17... Ba6 18. Qxa5 Rhb8 19. d6+ Ke8 $13 {Serebrjanik -
Maksimenko, Vrnjacka Banja 1991 Game #4 and many other games. Æ}) 11... b4 12.
Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O {Æ} 15. Qc2 (15. Re1 Ne4 $1 16. Nd2 Nxd2 17.
Qxd2 Qc7 18. c5 (18. e4 e5 19. Re3 exd4 20. Bxd4 Ne5 $17 {Ellers - Stangl,
Germany: Bundesliga 1997}) 18... f5 19. f3 (19. e4 fxe4 20. Bxe4 Bxe4 21. Rxe4
Nf6 22. Rxe6 Ng4 23. Rd6 Rxf2 $13) 19... Nf6 {Sadler - Krasenkow, Germany:
Bundesliga 1998 Game #2}; 15. Nd2 Re8 $5 (15... Qc7 16. f4 a4 17. Rb1 Rfd8) 16.
f4 (16. Bc2 Qc7 17. f4 Nb6 {Klimov - Matlakov St Petersburg 2007}) 16... Nc5
17. Bc2 Nce4 18. Nf3 Qc7 (18... Nd7) 19. Ne5 Nd7 {Pham Minh Hoang - Bui Vinh,
VIE-ch 2000 Game #3}) 15... Qc7 (15... h6 $5 16. c5 (16. e4 e5 17. c5 Rc8 $5
(17... Qc7 {transposes to the main line.}); 16. Nd2; 16. Qd1) 16... Bc6 17. e4
Ra7 18. Nd2 Qa8 {Francois Marchand (2244) - Natalia Zhukova (2462), Caleta ENG:
Gibraltar (3) 2010 Æ}) 16. e4 (16. c5 Bc6 17. e4 h6) 16... e5 17. c5 (17. d5
Rfe8 18. Rfe1 Nc5; 17. Rfe1 Rfe8 18. c5 h6; 17. Nxe5 Nxe5 18. dxe5 Ng4) 17...
exd4 18. Bxd4 {Æ} 18... h6 $11 (18... Ng4 {Zuger,Beat - Klinger,J, Bern (1)
1991 Game #1}) 19. e5 (19. Rfc1 Bc6 20. Qb2 Rfe8 21. Nd2 Ne5 (21... Reb8) 22.
Bb1 {Monteleone - Ortega, Vitinia 1998}) 19... Nd5 20. e6 (20. Bc4) 20... fxe6
{Nordahl - Leer, NOR-ch 1999 and Zaichko - Karpeshov, RUS-ch 1999}  *

[Event "cr."]
[Site "?"]
[Date "1992.??.??"]
[Round "1"]
[White "Olsson, Sverre"]
[Black "Matlak, M"]
[Result "0-1"]
[PlyCount "50"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 Bb7 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 a5 11. d5 Nf6 12. bxc4 b4 13. Bxf6 Qxf6 14. Qa4+ Nd7
15. Nd4 e5 16. Nb3 Ke7 17. Qb5 Ba6 18. Qxa5 Rhb8 19. d6+ Ke8 20. c5 Bb7 21. Qc7
Rxa1+ 22. Nxa1 e4 23. Bb5 Qxa1+ 24. Kd2 Qb2+ 25. Kd1 Ra8 0-1 

[Event "corr USSR"]
[Site "?"]
[Date "1993.??.??"]
[Round "1"]
[White "Nikolichev"]
[Black "Arzumanian"]
[Result "0-1"]
[PlyCount "62"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. d5 Nf6 12. bxc4 b4 13. Bxf6 Qxf6 14. Qa4+ Nd7
15. Nd4 e5 16. Nb3 Ke7 17. Qb5 Ba6 18. Qxa5 Rhb8 19. d6+ Ke8 20. c5 Bb7 21. Qc7
Rxa1+ 22. Nxa1 e4 23. Bb5 Qxa1+ 24. Ke2 Qb2+ 25. Kd1 Ra8 26. Bxd7+ Kf8 27. Ba4
Qa1+ 28. Kd2 Qxa4 29. Rc1 Qa2+ 30. Kd1 Ba6 31. Rc2 Be2+ 0-1 

[Event "Toronto"]
[Site "?"]
[Date "1987.??.??"]
[Round "1"]
[White "Taylor, Gordon"]
[Black "Hergott, D"]
[Result "0-1"]
[PlyCount "80"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. d5 Nf6 12. bxc4 b4 13. Qa4+ Nbd7 14. Bxf6 Qxf6
15. Nd4 e5 16. Nb3 Ke7 17. Qb5 Ba6 18. Qxa5 Rhb8 19. d6+ Ke8 20. Qd5 Bb7 21.
Qd2 Rxa1+ 22. Nxa1 Bc6 23. Nb3 Ba4 24. Qa2 Bxb3 25. Qxb3 Nc5 26. Qb1 e4 27. d7+
Kd8 28. f3 exf3 29. Qxh7 f2+ 30. Ke2 Kxd7 31. g3 g6 32. Qh6 Rh8 33. Qf4 Qxf4
34. gxf4 Ra8 35. Kxf2 b3 36. Bh3+ f5 37. Rd1+ Ke7 38. Kg3 Ne4+ 39. Kg2 Ra2+ 40.
Kg1 b2 0-1 

[Event "Czerniak Memorial"]
[Site "Tel Aviv"]
[Date "1996.??.??"]
[Round "1"]
[White "Shabtai, R"]
[Black "Kaspi, A"]
[Result "0-1"]
[PlyCount "58"]
[WhiteElo "2340"]
[BlackElo "2475"]

1. d4 d5 2. Nf3 c6 3. c4 e6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. d5 Nf6 12. bxc4 b4 13. Bxf6 Qxf6 14. Qa4+ Nd7
15. Nd4 e5 16. Nb3 Ke7 17. Qb5 Ba6 18. Qxa5 Rhb8 19. d6+ Ke8 20. Nc5 Nxc5 21.
Qxc5 e4 22. Rd1 Qc3+ 23. Rd2 Bb5 24. Be2 b3 25. Qd5 Ra1+ 26. Bd1 Bxc4 27. d7+
Kd8 28. Qg5+ f6 29. Qxg7 Rxd1+ 0-1 

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Semi-Slav"]
[Black "Triangle System"]
[Result "*"]
[PlyCount "34"]

1. d4 d5 2. c4 (2. Nf3 c6 3. e3 (3. Bf4 Bf5 4. e3 (4. c3 e6) 4... e6 (4... Qb6
5. Qc1 Nf6 6. Nbd2 e6) 5. Bd3 Bxd3 6. Qxd3 Bd6 7. Bg3 Nf6 $11 {Andersson,U -
Chiburdanidze,M, Haninge 1988 Game #16}) 3... Bf5 (3... Bg4 4. c4 e6 5. Nc3 (5.
Qb3 Qc7 (5... Qb6 6. Ne5 Bf5 7. Nc3 Nf6 $11) 6. Ne5 Bf5 $11) 5... Nd7 6. h3 (6.
cxd5 exd5 7. Bd3 Ngf6 8. Qb3 Qc7 (8... Qb6 9. Bd2 Bd6 $11) 9. Bd2 Bd6 10. Rc1
Qb6 11. Qxb6 Nxb6 $11) 6... Bh5 7. g4 Bg6 8. h4 Ngf6 9. Ne5 (9. h5 Be4 10. g5
Bxf3 11. Qxf3 Ne4) 9... dxc4 10. Nxc4 h5 $11) 4. c4 e6 5. Nc3 Nd7 6. Bd3 Bxd3
7. Qxd3 f5 {Æ} 8. cxd5 cxd5 9. O-O Bd6 10. h4 a6 {Razumova,T - Polyakova,N,
ch-RUS women Elista RUS 1997 Game #15 Anti-Colle}) 2... e6 3. Nc3 (3. Nf3 c6 4.
e3 Nf6 (4... Bd6 5. Nc3 f5) 5. Nc3 a6 {has transposed to the Accelerated Meran
= see below.}) 3... c6 4. e4 (4. Nf3 dxc4 5. a4 (5. e3 b5 6. Bd2 (6. a4 Bb4
{transposes}) 6... Bb4 7. a3 Bxc3 8. Bxc3 Nf6 $11 9. Nd2 O-O 10. Be2 Bb7 11.
Bf3 Nbd7 12. O-O Qc7 13. Qc2 a6 $17 {black has an extra pawn. Tedchik -
Darbinian, Marianska Lazna Open 2010, Game #7}; 5. e4 b5 6. a4 (6. Bg5 Qb6 7.
Be2 Nd7 (7... Bb7) 8. d5 cxd5 9. exd5 e5 10. O-O Ngf6 (10... f6 11. Be3 Bc5)
11. a4 b4 12. a5 (12. Nb1 Ba6) 12... Qb8 13. Nb1 Bd6 14. h3 O-O 15. Bxc4 Ne4
$11 {Bernev - Baburin, Cork Congress 2010}) 6... Bb4 7. Bd2 Nf6 8. Qb1 a6 9.
Be2 (9. axb5 Bxc3 10. Bxc3 cxb5 11. b3 cxb3 (11... Bb7) 12. Bxb5+ Bd7 13. Bxd7+
Nbxd7 14. Qxb3 Nxe4) 9... Bb7 10. O-O Be7 11. Rd1 Nbd7 {Jobava - Bacrot,
Linares 2001 Game #6}) 5... Bb4 6. e3 (6. Bd2 b5 7. e3 a5 8. axb5 Bxc3 9. Bxc3
cxb5 {transposes back to the main line.}) 6... b5 7. Bd2 (7. Ne5 Nf6 8. Qf3 Qd5
9. Qg3 O-O $17) 7... a5 (7... Bb7 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 a5) 8. axb5
Bxc3 9. Bxc3 (9. bxc3 cxb5 10. Ne5 Nf6 11. Rb1 (11. Qb1 Bd7 {Stempin - Weyrich,
Copenhagen 1990}) 11... Ba6 {Matveeva - Polgar,Zsuzsa , Moscow ol (Women) 1994
Game #5}) 9... cxb5 10. b3 (10. Ne5 Nf6 11. Be2 (11. Qf3 Qd5; 11. b3)) 10...
Bb7 11. bxc4 (11. d5 {Æ} 11... Nf6 12. bxc4 b4 13. Bxf6 (13. Qa4+ Nbd7 14. Bxf6
Qxf6) 13... Qxf6 14. Qa4+ Nd7 15. Nd4 e5 16. Nb3 Ke7 17. Qb5 (17. Be2 Rhc8 18.
Bg4 (18. Rd1 Nc5 19. Nxc5 Rxc5 20. O-O Kf8 21. f4 Rd8 $13 (21... Re8 $5) 22.
Qa1 (22. Kh1 Kg8 23. Bd3 h6 $5 (23... e4 {Nikolaidis - Mastrovasilis, Athens
1998}; 23... Qe7) 24. Qb3 Ba6) 22... Re8 {Gelfand - Vaisser, Cap d'Agde 1996})
18... Qd6 19. Nxa5 Rc5 (19... Rxa5 20. Qxa5) 20. Nxb7 Rxa4 21. Rxa4 Qg6 $1 22.
O-O Qxg4 23. Nxc5 Nxc5 24. Rxb4 Qe2 25. h3 g6 $17 {Naumann - Stangl, Germany:
Bundesliga 1996}) 17... Ba6 18. Qxa5 Rhb8 19. d6+ Ke8 $13 {Serebrjanik -
Maksimenko, Vrnjacka Banja 1991 Game #4 and many other games. Æ}) 11... b4 12.
Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O {Æ} 15. Qc2 (15. Re1 Ne4 $1 16. Nd2 Nxd2 17.
Qxd2 Qc7 18. c5 (18. e4 e5 19. Re3 exd4 20. Bxd4 Ne5 $17 {Ellers - Stangl,
Germany: Bundesliga 1997}) 18... f5 19. f3 (19. e4 fxe4 20. Bxe4 Bxe4 21. Rxe4
Nf6 22. Rxe6 Ng4 23. Rd6 Rxf2 $13) 19... Nf6 {Sadler - Krasenkow, Germany:
Bundesliga 1998 Game #2}; 15. Nd2 Re8 $5 (15... Qc7 16. f4 a4 17. Rb1 Rfd8) 16.
f4 (16. Bc2 Qc7 17. f4 Nb6 {Klimov - Matlakov St Petersburg 2007}) 16... Nc5
17. Bc2 Nce4 18. Nf3 Qc7 (18... Nd7) 19. Ne5 Nd7 {Pham Minh Hoang - Bui Vinh,
VIE-ch 2000 Game #3}) 15... Qc7 (15... h6 $5 16. c5 (16. e4 e5 17. c5 Rc8 $5
(17... Qc7 {transposes to the main line.}); 16. Nd2; 16. Qd1) 16... Bc6 17. e4
Ra7 18. Nd2 Qa8 {Francois Marchand (2244) - Natalia Zhukova (2462), Caleta ENG:
Gibraltar (3) 2010 Æ}) 16. e4 (16. c5 Bc6 17. e4 h6) 16... e5 17. c5 (17. d5
Rfe8 18. Rfe1 Nc5; 17. Rfe1 Rfe8 18. c5 h6; 17. Nxe5 Nxe5 18. dxe5 Ng4) 17...
exd4 18. Bxd4 {Æ} 18... h6 $11 (18... Ng4 {Zuger,Beat - Klinger,J, Bern (1)
1991 Game #1}) 19. e5 (19. Rfc1 Bc6 20. Qb2 Rfe8 21. Nd2 Ne5 (21... Reb8) 22.
Bb1 {Monteleone - Ortega, Vitinia 1998}) 19... Nd5 20. e6 (20. Bc4) 20... fxe6
{Nordahl - Leer, NOR-ch 1999 and Zaichko - Karpeshov, RUS-ch 1999}; 4. e3 Nf6
(4... Bd6 $5 5. Bd3 (5. Qc2 f5 6. Bd3) 5... f5 6. Qc2 Nf6 (6... Ne7; 6... a6 7.
c5 Bc7) 7. cxd5 (7. f4 O-O) 7... cxd5 8. Nb5 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 $11 Nc6
(10... a6); 4... f5 5. Bd3 (5. g4 $5) 5... Nf6 6. Qc2 Bd6 (6... Ne4 7. Nge2 Bd6
8. O-O O-O 9. f3 Na6) 7. f3 (7. cxd5) 7... O-O $13) 5. Nf3 a6 {Accelerated
Meran Alekhine Variation} 6. Bd3 (6. Qc2 b5 7. b3 Bb4 (7... Nbd7) 8. Bd2 Nbd7
9. Bd3 Bb7 10. O-O Qe7 11. a3 Bd6 {Najdorf - Teschner, Helsinki olm 1952 Game
18}) 6... dxc4 7. Bxc4 b5 8. Bb3 (8. Bd3 c5 9. O-O Nbd7 10. Qe2 Bb7 11. Rd1 Qb8
$11) 8... c5 9. O-O Bb7 10. Qe2 Nbd7 11. Rd1 Qb8 $11 12. d5 (12. e4 cxd4 13.
Nxd4 b4 {Berberich - Rabiega, Berlin 1996} (13... Bd6)) 12... c4 (12... Nxd5)
13. dxe6 fxe6 14. Bc2 Bd6 15. e4 O-O {Sagalchik,G - Ibragimov,I, Katowice (1)
1990 Game #17}; 4. cxd5 exd5 {Exchange QGD} 5. Nf3 (5. Bf4 Nf6 6. e3 Bd6 7.
Bxd6 Qxd6 8. Bd3 O-O 9. Qc2 Bg4 $5 $11 {Windsor - Vanush, EU Ch 2010, Game #20
and Newton,Geoff - Pua,Richard, Edmonton 2005}) 5... Bf5 6. Bf4 (6. Bg5 Be7)
6... Bd6 $11 7. Bxd6 Qxd6 8. e3 Nf6 9. Bd3 Bxd3 10. Qxd3 O-O 11. O-O Nbd7 12.
Rab1 a5 13. a3 Rfe8 {Shevatkin - Brukavishin, Russia 2010, Game #19.}) 4...
dxe4 5. Nxe4 Bb4+ 6. Bd2 (6. Nc3 c5 7. Nf3 Nf6 8. Be3 Nc6 9. Be2 (9. dxc5 Qa5)
9... Ng4 10. d5 Nxe3 11. fxe3 Ne7 12. e4 O-O 13. O-O exd5 14. cxd5 Ng6 $11
{Seirawan - Georgiev, Brussels 1992 blitz Game #14}) 6... Qxd4 7. Bxb4 Qxe4+ 8.
Be2 {Marshall Gambit - main line. Æ} (8. Ne2 Nd7 (8... Ne7 9. Qd2 Nd7 10. f3;
8... Na6 9. Bf8 {Æ} 9... Ne7 10. Bxg7 Rg8 (10... Nb4 $5) 11. Bc3 (11. Bf6 Qxc4
12. Ng3 Qf4 13. Bc3 Nc5 14. Qc2 e5 {Kharlov - Filippov, Kazan: RUS 2001}) 11...
Nf5 (11... Qxc4 12. Ng3 Qf4 13. Bxa6 $16) 12. Qd2 Qxc4 13. Nf4 (13. Rd1 $18)
13... Qe4+ 14. Be2 Nc7 {Sarkov - Das, Game #12}) 9. Qd6 (9. Qd2 c5 10. Bc3 Ngf6
11. O-O-O O-O 12. Ng3 Qh4 $1 13. Be2 b6 {Line #13} 14. f3) 9... a5 10. Ba3 (10.
Bc3 Ngf6 11. b3 (11. O-O-O $2 Qxc4) 11... c5 12. Rd1 Ra6 13. Qd2 O-O) 10... Qe5
11. Qd2 (11. O-O-O Qxd6 12. Bxd6 $11) 11... c5 $11 12. f4 Qb8 13. O-O-O (13.
Nc3 Ngf6) 13... b6 {Wells,Peter - Dao Thien Hai , HUN-ch 1997}) 8... c5 $11 9.
Bxc5 (9. Bc3 Nc6 10. Nf3 (10. Bxg7 Qxg2 11. Bxh8 Qxh1 12. Kf1 Qxh2 $17 13. Qd3
Bd7 14. Rd1 O-O-O; 10. Qd6 Nge7 11. Qxc5 (11. Bxg7 Nf5) 11... O-O; 10. Qd2 e5
11. Nf3 f6 12. O-O Nge7 13. Bd3 Qg4 $17) 10... f6 11. O-O Nge7 12. Re1 Qf4
{Leveille - Lesiege, Hamilton CA 1994 Game #11}) 9... Qxg2 10. Bf3 (10. Qd6 Nd7
11. O-O-O Qc6 12. Qxc6 bxc6 13. Bd6 Ne7 (13... Bb7 14. c5 (14. Bf3 Nh6 (14...
Ne7) 15. Ne2 Nf5; 14. Nf3 Nh6 (14... Ne7 15. Ne5 Nxe5 16. Bxe5 f6 17. Bd6 Kf7
18. Bc5 Rhd8 19. Kc2 $14) 15. Ne5 $1 (15. Bd3 c5 $17) 15... Nf5 16. Nxd7 Kxd7
17. Bb4+ Kc8 18. Bc3 Rg8; 14. Nh3 Nh6 15. Bd3 f6) 14... Ne7 15. Nf3 Nf5
{Shishkin - Kantorik, Krakow 2001 Game #9}) 14. Bd3 Bb7 15. Ne2 Nc8 $13 (15...
c5) 16. Bc7 Ncb6 17. b3 (17. Rhg1 O-O 18. Bd6 Rfd8 19. b3 c5 $11) 17... O-O
$11; 10. Qd2 Qxh1 11. O-O-O Nd7 12. Nf3 Qg2 13. Ba3 (13. Ne5 Ngf6 14. Qd6 Qg5+
15. f4 Ne4 $1 16. fxg5 Nxd6 17. Bxd6 h6 $19) 13... a5 14. Ne5 Ngf6 15. Bh5 Ra6
$13 {Sulava - Palac, Croatia 1995 Game #10}) 10... Qg5 11. Bd6 (11. Qd6 Nd7 12.
Be3 Qa5+ 13. b4 Qe5 $17; 11. Ba3; 11. Qd4 Nd7) 11... Nc6 12. Ne2 Nge7 13. Rg1
Qf6 14. Nc3 Nd4 $1 {Æ} 15. Bh1 $2 (15. Be4 Ndf5 16. Ba3 $13 Qe5; 15. Bh5 Nef5
16. Rg4 (16. Ne4 $2 Qh4 17. Bg4 Ne3 18. Qxd4 Nc2+ $19) 16... Nxd6 17. Rxd4 Nf5
$17 {Clitan - Posedaru, Belgrade 2008}) 15... Ndf5 16. Ba3 Qe5+ 17. Be4 Qxh2
$19 {Spraggett - Gentes, Canada zt 1992 Game #8}  *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Semi-Slav"]
[Black "Triangle System"]
[Result "*"]
[PlyCount "34"]

1. d4 d5 2. c4 (2. Nf3 c6 3. e3 (3. Bf4 Bf5 4. e3 (4. c3 e6) 4... e6 (4... Qb6
5. Qc1 Nf6 6. Nbd2 e6) 5. Bd3 Bxd3 6. Qxd3 Bd6 7. Bg3 Nf6 $11 {Andersson,U -
Chiburdanidze,M, Haninge 1988 Game #16}) 3... Bf5 (3... Bg4 4. c4 e6 5. Nc3 (5.
Qb3 Qc7 (5... Qb6 6. Ne5 Bf5 7. Nc3 Nf6 $11) 6. Ne5 Bf5 $11) 5... Nd7 6. h3 (6.
cxd5 exd5 7. Bd3 Ngf6 8. Qb3 Qc7 (8... Qb6 9. Bd2 Bd6 $11) 9. Bd2 Bd6 10. Rc1
Qb6 11. Qxb6 Nxb6 $11) 6... Bh5 7. g4 Bg6 8. h4 Ngf6 9. Ne5 (9. h5 Be4 10. g5
Bxf3 11. Qxf3 Ne4) 9... dxc4 10. Nxc4 h5 $11) 4. c4 e6 5. Nc3 Nd7 6. Bd3 Bxd3
7. Qxd3 f5 {Æ} 8. cxd5 cxd5 9. O-O Bd6 10. h4 a6 {Razumova,T - Polyakova,N,
ch-RUS women Elista RUS 1997 Game #15 Anti-Colle}) 2... e6 3. Nc3 (3. Nf3 c6 4.
e3 Nf6 (4... Bd6 5. Nc3 f5) 5. Nc3 a6 {has transposed to the Accelerated Meran
= see below.}) 3... c6 4. e4 (4. Nf3 dxc4 5. a4 (5. e3 b5 6. Bd2 (6. a4 Bb4
{transposes}) 6... Bb4 7. a3 Bxc3 8. Bxc3 Nf6 $11 9. Nd2 O-O 10. Be2 Bb7 11.
Bf3 Nbd7 12. O-O Qc7 13. Qc2 a6 $17 {black has an extra pawn. Tedchik -
Darbinian, Marianska Lazna Open 2010, Game #7}; 5. e4 b5 6. a4 (6. Bg5 Qb6 7.
Be2 Nd7 (7... Bb7) 8. d5 cxd5 9. exd5 e5 10. O-O Ngf6 (10... f6 11. Be3 Bc5)
11. a4 b4 12. a5 (12. Nb1 Ba6) 12... Qb8 13. Nb1 Bd6 14. h3 O-O 15. Bxc4 Ne4
$11 {Bernev - Baburin, Cork Congress 2010}) 6... Bb4 7. Bd2 Nf6 8. Qb1 a6 9.
Be2 (9. axb5 Bxc3 10. Bxc3 cxb5 11. b3 cxb3 (11... Bb7) 12. Bxb5+ Bd7 13. Bxd7+
Nbxd7 14. Qxb3 Nxe4) 9... Bb7 10. O-O Be7 11. Rd1 Nbd7 {Jobava - Bacrot,
Linares 2001 Game #6}) 5... Bb4 6. e3 (6. Bd2 b5 7. e3 a5 8. axb5 Bxc3 9. Bxc3
cxb5 {transposes back to the main line.}) 6... b5 7. Bd2 (7. Ne5 Nf6 8. Qf3 Qd5
9. Qg3 O-O $17) 7... a5 (7... Bb7 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 a5) 8. axb5
Bxc3 9. Bxc3 (9. bxc3 cxb5 10. Ne5 Nf6 11. Rb1 (11. Qb1 Bd7 {Stempin - Weyrich,
Copenhagen 1990}) 11... Ba6 {Matveeva - Polgar,Zsuzsa , Moscow ol (Women) 1994
Game #5}) 9... cxb5 10. b3 (10. Ne5 Nf6 11. Be2 (11. Qf3 Qd5; 11. b3)) 10...
Bb7 11. bxc4 (11. d5 {Æ} 11... Nf6 12. bxc4 b4 13. Bxf6 (13. Qa4+ Nbd7 14. Bxf6
Qxf6) 13... Qxf6 14. Qa4+ Nd7 15. Nd4 e5 16. Nb3 Ke7 17. Qb5 (17. Be2 Rhc8 18.
Bg4 (18. Rd1 Nc5 19. Nxc5 Rxc5 20. O-O Kf8 21. f4 Rd8 $13 (21... Re8 $5) 22.
Qa1 (22. Kh1 Kg8 23. Bd3 h6 $5 (23... e4 {Nikolaidis - Mastrovasilis, Athens
1998}; 23... Qe7) 24. Qb3 Ba6) 22... Re8 {Gelfand - Vaisser, Cap d'Agde 1996})
18... Qd6 19. Nxa5 Rc5 (19... Rxa5 20. Qxa5) 20. Nxb7 Rxa4 21. Rxa4 Qg6 $1 22.
O-O Qxg4 23. Nxc5 Nxc5 24. Rxb4 Qe2 25. h3 g6 $17 {Naumann - Stangl, Germany:
Bundesliga 1996}) 17... Ba6 18. Qxa5 Rhb8 19. d6+ Ke8 $13 {Serebrjanik -
Maksimenko, Vrnjacka Banja 1991 Game #4 and many other games. Æ}) 11... b4 12.
Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O {Æ} 15. Qc2 (15. Re1 Ne4 $1 16. Nd2 Nxd2 17.
Qxd2 Qc7 18. c5 (18. e4 e5 19. Re3 exd4 20. Bxd4 Ne5 $17 {Ellers - Stangl,
Germany: Bundesliga 1997}) 18... f5 19. f3 (19. e4 fxe4 20. Bxe4 Bxe4 21. Rxe4
Nf6 22. Rxe6 Ng4 23. Rd6 Rxf2 $13) 19... Nf6 {Sadler - Krasenkow, Germany:
Bundesliga 1998 Game #2}; 15. Nd2 Re8 $5 (15... Qc7 16. f4 a4 17. Rb1 Rfd8) 16.
f4 (16. Bc2 Qc7 17. f4 Nb6 {Klimov - Matlakov St Petersburg 2007}) 16... Nc5
17. Bc2 Nce4 18. Nf3 Qc7 (18... Nd7) 19. Ne5 Nd7 {Pham Minh Hoang - Bui Vinh,
VIE-ch 2000 Game #3}) 15... Qc7 (15... h6 $5 16. c5 (16. e4 e5 17. c5 Rc8 $5
(17... Qc7 {transposes to the main line.}); 16. Nd2; 16. Qd1) 16... Bc6 17. e4
Ra7 18. Nd2 Qa8 {Francois Marchand (2244) - Natalia Zhukova (2462), Caleta ENG:
Gibraltar (3) 2010 Æ}) 16. e4 (16. c5 Bc6 17. e4 h6) 16... e5 17. c5 (17. d5
Rfe8 18. Rfe1 Nc5; 17. Rfe1 Rfe8 18. c5 h6; 17. Nxe5 Nxe5 18. dxe5 Ng4) 17...
exd4 18. Bxd4 {Æ} 18... h6 $11 (18... Ng4 {Zuger,Beat - Klinger,J, Bern (1)
1991 Game #1}) 19. e5 (19. Rfc1 Bc6 20. Qb2 Rfe8 21. Nd2 Ne5 (21... Reb8) 22.
Bb1 {Monteleone - Ortega, Vitinia 1998}) 19... Nd5 20. e6 (20. Bc4) 20... fxe6
{Nordahl - Leer, NOR-ch 1999 and Zaichko - Karpeshov, RUS-ch 1999}; 4. e3 Nf6
(4... Bd6 $5 5. Bd3 (5. Qc2 f5 6. Bd3) 5... f5 6. Qc2 Nf6 (6... Ne7; 6... a6 7.
c5 Bc7) 7. cxd5 (7. f4 O-O) 7... cxd5 8. Nb5 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 $11 Nc6
(10... a6); 4... f5 5. Bd3 (5. g4 $5) 5... Nf6 6. Qc2 Bd6 (6... Ne4 7. Nge2 Bd6
8. O-O O-O 9. f3 Na6) 7. f3 (7. cxd5) 7... O-O $13) 5. Nf3 a6 {Accelerated
Meran Alekhine Variation} 6. Bd3 (6. Qc2 b5 7. b3 Bb4 (7... Nbd7) 8. Bd2 Nbd7
9. Bd3 Bb7 10. O-O Qe7 11. a3 Bd6 {Najdorf - Teschner, Helsinki olm 1952 Game
18}) 6... dxc4 7. Bxc4 b5 8. Bb3 (8. Bd3 c5 9. O-O Nbd7 10. Qe2 Bb7 11. Rd1 Qb8
$11) 8... c5 9. O-O Bb7 10. Qe2 Nbd7 11. Rd1 Qb8 $11 12. d5 (12. e4 cxd4 13.
Nxd4 b4 {Berberich - Rabiega, Berlin 1996} (13... Bd6)) 12... c4 (12... Nxd5)
13. dxe6 fxe6 14. Bc2 Bd6 15. e4 O-O {Sagalchik,G - Ibragimov,I, Katowice (1)
1990 Game #17}; 4. cxd5 exd5 {Exchange QGD} 5. Nf3 (5. Bf4 Nf6 6. e3 Bd6 7.
Bxd6 Qxd6 8. Bd3 O-O 9. Qc2 Bg4 $5 $11 {Windsor - Vanush, EU Ch 2010, Game #20
and Newton,Geoff - Pua,Richard, Edmonton 2005}) 5... Bf5 6. Bf4 (6. Bg5 Be7)
6... Bd6 $11 7. Bxd6 Qxd6 8. e3 Nf6 9. Bd3 Bxd3 10. Qxd3 O-O 11. O-O Nbd7 12.
Rab1 a5 13. a3 Rfe8 {Shevatkin - Brukavishin, Russia 2010, Game #19.}) 4...
dxe4 5. Nxe4 Bb4+ 6. Bd2 (6. Nc3 c5 7. Nf3 Nf6 8. Be3 Nc6 9. Be2 (9. dxc5 Qa5)
9... Ng4 10. d5 Nxe3 11. fxe3 Ne7 12. e4 O-O 13. O-O exd5 14. cxd5 Ng6 $11
{Seirawan - Georgiev, Brussels 1992 blitz Game #14}) 6... Qxd4 7. Bxb4 Qxe4+ 8.
Be2 {Marshall Gambit - main line. Æ} (8. Ne2 Nd7 (8... Ne7 9. Qd2 Nd7 10. f3;
8... Na6 9. Bf8 {Æ} 9... Ne7 10. Bxg7 Rg8 (10... Nb4 $5) 11. Bc3 (11. Bf6 Qxc4
12. Ng3 Qf4 13. Bc3 Nc5 14. Qc2 e5 {Kharlov - Filippov, Kazan: RUS 2001}) 11...
Nf5 (11... Qxc4 12. Ng3 Qf4 13. Bxa6 $16) 12. Qd2 Qxc4 13. Nf4 (13. Rd1 $18)
13... Qe4+ 14. Be2 Nc7 {Sarkov - Das}) 9. Qd6 (9. Qd2 c5 10. Bc3 Ngf6 11. O-O-O
O-O 12. Ng3 Qh4 $1 13. Be2 b6 {Line #13} 14. f3) 9... a5 10. Ba3 (10. Bc3 Ngf6
11. b3 (11. O-O-O $2 Qxc4) 11... c5 12. Rd1 Ra6 13. Qd2 O-O) 10... Qe5 11. Qd2
(11. O-O-O Qxd6 12. Bxd6 $11) 11... c5 $11 12. f4 Qb8 13. O-O-O (13. Nc3 Ngf6)
13... b6 {Wells,Peter - Dao Thien Hai , HUN-ch 1997, Game #12}) 8... c5 $11 9.
Bxc5 (9. Bc3 Nc6 10. Nf3 (10. Bxg7 Qxg2 11. Bxh8 Qxh1 12. Kf1 Qxh2 $17 13. Qd3
Bd7 14. Rd1 O-O-O; 10. Qd6 Nge7 11. Qxc5 (11. Bxg7 Nf5) 11... O-O; 10. Qd2 e5
11. Nf3 f6 12. O-O Nge7 13. Bd3 Qg4 $17) 10... f6 11. O-O Nge7 12. Re1 Qf4
{Leveille - Lesiege, Hamilton CA 1994 Game #11}) 9... Qxg2 10. Bf3 (10. Qd6 Nd7
11. O-O-O Qc6 12. Qxc6 bxc6 13. Bd6 Ne7 (13... Bb7 14. c5 (14. Bf3 Nh6 (14...
Ne7) 15. Ne2 Nf5; 14. Nf3 Nh6 (14... Ne7 15. Ne5 Nxe5 16. Bxe5 f6 17. Bd6 Kf7
18. Bc5 Rhd8 19. Kc2 $14) 15. Ne5 $1 (15. Bd3 c5 $17) 15... Nf5 16. Nxd7 Kxd7
17. Bb4+ Kc8 18. Bc3 Rg8; 14. Nh3 Nh6 15. Bd3 f6) 14... Ne7 15. Nf3 Nf5
{Shishkin - Kantorik, Krakow 2001 Game #9}) 14. Bd3 Bb7 15. Ne2 Nc8 $13 (15...
c5) 16. Bc7 Ncb6 17. b3 (17. Rhg1 O-O 18. Bd6 Rfd8 19. b3 c5 $11) 17... O-O
$11; 10. Qd2 Qxh1 11. O-O-O Nd7 12. Nf3 Qg2 13. Ba3 (13. Ne5 Ngf6 14. Qd6 Qg5+
15. f4 Ne4 $1 16. fxg5 Nxd6 17. Bxd6 h6 $19) 13... a5 14. Ne5 Ngf6 15. Bh5 Ra6
$13 {Sulava - Palac, Croatia 1995 Game #10}) 10... Qg5 11. Bd6 (11. Qd6 Nd7 12.
Be3 Qa5+ 13. b4 Qe5 $17; 11. Ba3; 11. Qd4 Nd7) 11... Nc6 12. Ne2 Nge7 13. Rg1
Qf6 14. Nc3 Nd4 $1 {Æ} 15. Bh1 $2 (15. Be4 Ndf5 16. Ba3 $13 Qe5; 15. Bh5 Nef5
16. Rg4 (16. Ne4 $2 Qh4 17. Bg4 Ne3 18. Qxd4 Nc2+ $19) 16... Nxd6 17. Rxd4 Nf5
$17 {Clitan - Posedaru, Belgrade 2008}) 15... Ndf5 16. Ba3 Qe5+ 17. Be4 Qxh2
$19 {Spraggett - Gentes, Canada zt 1992 Game #8}  *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Semi-Slav"]
[Black "Triangle System"]
[Result "*"]
[PlyCount "34"]

1. d4 d5 2. c4 (2. Nf3 c6 3. e3 (3. Bf4 Bf5 4. e3 (4. c3 e6) 4... e6 (4... Qb6
5. Qc1 Nf6 6. Nbd2 e6) 5. Bd3 Bxd3 6. Qxd3 Bd6 7. Bg3 Nf6 $11 {Andersson,U -
Chiburdanidze,M, Haninge 1988 Game #16}) 3... Bf5 (3... Bg4 4. c4 e6 5. Nc3 (5.
Qb3 Qc7 (5... Qb6 6. Ne5 Bf5 7. Nc3 Nf6 $11) 6. Ne5 Bf5 $11) 5... Nd7 6. h3 (6.
cxd5 exd5 7. Bd3 Ngf6 8. Qb3 Qc7 (8... Qb6 9. Bd2 Bd6 $11) 9. Bd2 Bd6 10. Rc1
Qb6 11. Qxb6 Nxb6 $11) 6... Bh5 7. g4 Bg6 8. h4 Ngf6 9. Ne5 (9. h5 Be4 10. g5
Bxf3 11. Qxf3 Ne4) 9... dxc4 10. Nxc4 h5 $11) 4. c4 e6 5. Nc3 Nd7 6. Bd3 Bxd3
7. Qxd3 f5 {Æ} 8. cxd5 cxd5 9. O-O Bd6 10. h4 a6 {Razumova,T - Polyakova,N,
ch-RUS women Elista RUS 1997 Game #15 Anti-Colle}) 2... e6 3. Nc3 (3. Nf3 c6 4.
e3 Nf6 (4... Bd6 5. Nc3 f5) 5. Nc3 a6 {has transposed to the Accelerated Meran
= see below.}) 3... c6 4. e4 (4. Nf3 dxc4 5. a4 (5. e3 b5 6. Bd2 (6. a4 Bb4
{transposes}) 6... Bb4 7. a3 Bxc3 8. Bxc3 Nf6 $11 9. Nd2 O-O 10. Be2 Bb7 11.
Bf3 Nbd7 12. O-O Qc7 13. Qc2 a6 $17 {black has an extra pawn. Tedchik -
Darbinian, Marianska Lazna Open 2010, Game #7}; 5. e4 b5 6. a4 (6. Bg5 Qb6 7.
Be2 Nd7 (7... Bb7) 8. d5 cxd5 9. exd5 e5 10. O-O Ngf6 (10... f6 11. Be3 Bc5)
11. a4 b4 12. a5 (12. Nb1 Ba6) 12... Qb8 13. Nb1 Bd6 14. h3 O-O 15. Bxc4 Ne4
$11 {Bernev - Baburin, Cork Congress 2010}) 6... Bb4 7. Bd2 Nf6 8. Qb1 a6 9.
Be2 (9. axb5 Bxc3 10. Bxc3 cxb5 11. b3 cxb3 (11... Bb7) 12. Bxb5+ Bd7 13. Bxd7+
Nbxd7 14. Qxb3 Nxe4) 9... Bb7 10. O-O Be7 11. Rd1 Nbd7 {Jobava - Bacrot,
Linares 2001 Game #6}) 5... Bb4 6. e3 (6. Bd2 b5 7. e3 a5 8. axb5 Bxc3 9. Bxc3
cxb5 {transposes back to the main line.}) 6... b5 7. Bd2 (7. Ne5 Nf6 8. Qf3 Qd5
9. Qg3 O-O $17) 7... a5 (7... Bb7 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 a5) 8. axb5
Bxc3 9. Bxc3 (9. bxc3 cxb5 10. Ne5 Nf6 11. Rb1 (11. Qb1 Bd7 {Stempin - Weyrich,
Copenhagen 1990}) 11... Ba6 {Matveeva - Polgar,Zsuzsa , Moscow ol (Women) 1994
Game #5}) 9... cxb5 10. b3 (10. Ne5 Nf6 11. Be2 (11. Qf3 Qd5; 11. b3)) 10...
Bb7 11. bxc4 (11. d5 {Æ} 11... Nf6 12. bxc4 b4 13. Bxf6 (13. Qa4+ Nbd7 14. Bxf6
Qxf6) 13... Qxf6 14. Qa4+ Nd7 15. Nd4 e5 16. Nb3 Ke7 17. Qb5 (17. Be2 Rhc8 18.
Bg4 (18. Rd1 Nc5 19. Nxc5 Rxc5 20. O-O Kf8 21. f4 Rd8 $13 (21... Re8 $5) 22.
Qa1 (22. Kh1 Kg8 23. Bd3 h6 $5 (23... e4 {Nikolaidis - Mastrovasilis, Athens
1998}; 23... Qe7) 24. Qb3 Ba6) 22... Re8 {Gelfand - Vaisser, Cap d'Agde 1996})
18... Qd6 19. Nxa5 Rc5 (19... Rxa5 20. Qxa5) 20. Nxb7 Rxa4 21. Rxa4 Qg6 $1 22.
O-O Qxg4 23. Nxc5 Nxc5 24. Rxb4 Qe2 25. h3 g6 $17 {Naumann - Stangl, Germany:
Bundesliga 1996}) 17... Ba6 18. Qxa5 Rhb8 19. d6+ Ke8 $13 {Serebrjanik -
Maksimenko, Vrnjacka Banja 1991 Game #4 and many other games. Æ}) 11... b4 12.
Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O {Æ} 15. Qc2 (15. Re1 Ne4 $1 16. Nd2 Nxd2 17.
Qxd2 Qc7 18. c5 (18. e4 e5 19. Re3 exd4 20. Bxd4 Ne5 $17 {Ellers - Stangl,
Germany: Bundesliga 1997}) 18... f5 19. f3 (19. e4 fxe4 20. Bxe4 Bxe4 21. Rxe4
Nf6 22. Rxe6 Ng4 23. Rd6 Rxf2 $13) 19... Nf6 {Sadler - Krasenkow, Germany:
Bundesliga 1998 Game #2}; 15. Nd2 Re8 $5 (15... Qc7 16. f4 a4 17. Rb1 Rfd8) 16.
f4 (16. Bc2 Qc7 17. f4 Nb6 {Klimov - Matlakov St Petersburg 2007}) 16... Nc5
17. Bc2 Nce4 18. Nf3 Qc7 (18... Nd7) 19. Ne5 Nd7 {Pham Minh Hoang - Bui Vinh,
VIE-ch 2000 Game #3}) 15... Qc7 (15... h6 $5 16. c5 (16. e4 e5 17. c5 Rc8 $5
(17... Qc7 {transposes to the main line.}); 16. Nd2; 16. Qd1) 16... Bc6 17. e4
Ra7 18. Nd2 Qa8 {Francois Marchand (2244) - Natalia Zhukova (2462), Caleta ENG:
Gibraltar (3) 2010 Æ}) 16. e4 (16. c5 Bc6 17. e4 h6) 16... e5 17. c5 (17. d5
Rfe8 18. Rfe1 Nc5; 17. Rfe1 Rfe8 18. c5 h6; 17. Nxe5 Nxe5 18. dxe5 Ng4) 17...
exd4 18. Bxd4 {Æ} 18... h6 $11 (18... Ng4 {Zuger,Beat - Klinger,J, Bern (1)
1991 Game #1}) 19. e5 (19. Rfc1 Bc6 20. Qb2 Rfe8 21. Nd2 Ne5 (21... Reb8) 22.
Bb1 {Monteleone - Ortega, Vitinia 1998}) 19... Nd5 20. e6 (20. Bc4) 20... fxe6
{Nordahl - Leer, NOR-ch 1999 and Zaichko - Karpeshov, RUS-ch 1999}; 4. e3 Nf6
(4... Bd6 $5 5. Bd3 (5. Qc2 f5 6. Bd3) 5... f5 6. Qc2 Nf6 (6... Ne7; 6... a6 7.
c5 Bc7) 7. cxd5 (7. f4 O-O) 7... cxd5 8. Nb5 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 $11 Nc6
(10... a6); 4... f5 5. Bd3 (5. g4 $5) 5... Nf6 6. Qc2 Bd6 (6... Ne4 7. Nge2 Bd6
8. O-O O-O 9. f3 Na6) 7. f3 (7. cxd5) 7... O-O $13) 5. Nf3 a6 {Accelerated
Meran Alekhine Variation} 6. Bd3 (6. Qc2 b5 7. b3 Bb4 (7... Nbd7) 8. Bd2 Nbd7
9. Bd3 Bb7 10. O-O Qe7 11. a3 Bd6 {Najdorf - Teschner, Helsinki olm 1952 Game
18}) 6... dxc4 7. Bxc4 b5 8. Bb3 (8. Bd3 c5 9. O-O Nbd7 10. Qe2 Bb7 11. Rd1 Qb8
$11) 8... c5 9. O-O Bb7 10. Qe2 Nbd7 11. Rd1 Qb8 $11 12. d5 (12. e4 cxd4 13.
Nxd4 b4 {Berberich - Rabiega, Berlin 1996} (13... Bd6)) 12... c4 (12... Nxd5)
13. dxe6 fxe6 14. Bc2 Bd6 15. e4 O-O {Sagalchik,G - Ibragimov,I, Katowice (1)
1990 Game #17}; 4. cxd5 exd5 {Exchange QGD} 5. Nf3 (5. Bf4 Nf6 6. e3 Bd6 7.
Bxd6 Qxd6 8. Bd3 O-O 9. Qc2 Bg4 $5 $11 {Windsor - Vanush, EU Ch 2010, Game #20
and Newton,Geoff - Pua,Richard, Edmonton 2005}) 5... Bf5 6. Bf4 (6. Bg5 Be7)
6... Bd6 $11 7. Bxd6 Qxd6 8. e3 Nf6 9. Bd3 Bxd3 10. Qxd3 O-O 11. O-O Nbd7 12.
Rab1 a5 13. a3 Rfe8 {Shevatkin - Brukavishin, Russia 2010, Game #19.}) 4...
dxe4 5. Nxe4 Bb4+ 6. Bd2 (6. Nc3 c5 7. Nf3 Nf6 8. Be3 Nc6 9. Be2 (9. dxc5 Qa5)
9... Ng4 10. d5 Nxe3 11. fxe3 Ne7 12. e4 O-O 13. O-O exd5 14. cxd5 Ng6 $11
{Seirawan - Georgiev, Brussels 1992 blitz Game #14}) 6... Qxd4 7. Bxb4 Qxe4+ 8.
Be2 {Marshall Gambit - main line. Æ} (8. Ne2 Nd7 (8... Ne7 9. Qd2 Nd7 10. f3;
8... Na6 9. Bf8 {Æ} 9... Ne7 10. Bxg7 Rg8 (10... Nb4 $5) 11. Bc3 (11. Bf6 Qxc4
12. Ng3 Qf4 13. Bc3 Nc5 14. Qc2 e5 {Kharlov - Filippov, Kazan: RUS 2001}) 11...
Nf5 (11... Qxc4 12. Ng3 Qf4 13. Bxa6 $16) 12. Qd2 Qxc4 13. Nf4 (13. Rd1 $18)
13... Qe4+ 14. Be2 Nc7 {Sarkov - Das}) 9. Qd6 (9. Qd2 c5 10. Bc3 Ngf6 11. O-O-O
O-O 12. Ng3 Qh4 $1 13. Be2 (13. f3 b6 {Englund,H - Forssen, Forsse 1980, Game
#13}) 13... b6 14. f3) 9... a5 10. Ba3 (10. Bc3 Ngf6 11. b3 (11. O-O-O $2 Qxc4)
11... c5 12. Rd1 Ra6 13. Qd2 O-O) 10... Qe5 11. Qd2 (11. O-O-O Qxd6 12. Bxd6
$11) 11... c5 $11 12. f4 Qb8 13. O-O-O (13. Nc3 Ngf6) 13... b6 {Wells,Peter -
Dao Thien Hai , HUN-ch 1997, Game #12}) 8... c5 $11 9. Bxc5 (9. Bc3 Nc6 10. Nf3
(10. Bxg7 Qxg2 11. Bxh8 Qxh1 12. Kf1 Qxh2 $17 13. Qd3 Bd7 14. Rd1 O-O-O; 10.
Qd6 Nge7 11. Qxc5 (11. Bxg7 Nf5) 11... O-O; 10. Qd2 e5 11. Nf3 f6 12. O-O Nge7
13. Bd3 Qg4 $17) 10... f6 11. O-O Nge7 12. Re1 Qf4 {Leveille - Lesiege,
Hamilton CA 1994 Game #11}) 9... Qxg2 10. Bf3 (10. Qd6 Nd7 11. O-O-O Qc6 12.
Qxc6 bxc6 13. Bd6 Ne7 (13... Bb7 14. c5 (14. Bf3 Nh6 (14... Ne7) 15. Ne2 Nf5;
14. Nf3 Nh6 (14... Ne7 15. Ne5 Nxe5 16. Bxe5 f6 17. Bd6 Kf7 18. Bc5 Rhd8 19.
Kc2 $14) 15. Ne5 $1 (15. Bd3 c5 $17) 15... Nf5 16. Nxd7 Kxd7 17. Bb4+ Kc8 18.
Bc3 Rg8; 14. Nh3 Nh6 15. Bd3 f6) 14... Ne7 15. Nf3 Nf5 {Shishkin - Kantorik,
Krakow 2001 Game #9}) 14. Bd3 Bb7 15. Ne2 Nc8 $13 (15... c5) 16. Bc7 Ncb6 17.
b3 (17. Rhg1 O-O 18. Bd6 Rfd8 19. b3 c5 $11) 17... O-O $11; 10. Qd2 Qxh1 11.
O-O-O Nd7 12. Nf3 Qg2 13. Ba3 (13. Ne5 Ngf6 14. Qd6 Qg5+ 15. f4 Ne4 $1 16. fxg5
Nxd6 17. Bxd6 h6 $19) 13... a5 14. Ne5 Ngf6 15. Bh5 Ra6 $13 {Sulava - Palac,
Croatia 1995 Game #10}) 10... Qg5 11. Bd6 (11. Qd6 Nd7 12. Be3 Qa5+ 13. b4 Qe5
$17; 11. Ba3; 11. Qd4 Nd7) 11... Nc6 12. Ne2 Nge7 13. Rg1 Qf6 14. Nc3 Nd4 $1
{Æ} 15. Bh1 $2 (15. Be4 Ndf5 16. Ba3 $13 Qe5; 15. Bh5 Nef5 16. Rg4 (16. Ne4 $2
Qh4 17. Bg4 Ne3 18. Qxd4 Nc2+ $19) 16... Nxd6 17. Rxd4 Nf5 $17 {Clitan -
Posedaru, Belgrade 2008}) 15... Ndf5 16. Ba3 Qe5+ 17. Be4 Qxh2 $19 {Spraggett -
Gentes, Canada zt 1992 Game #8}  *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Semi-Slav"]
[Black "Triangle System"]
[Result "*"]
[PlyCount "34"]

1. d4 d5 2. c4 (2. Nf3 c6 3. e3 (3. Bf4 Bf5 4. e3 (4. c3 e6) 4... e6 (4... Qb6
5. Qc1 Nf6 6. Nbd2 e6) 5. Bd3 Bxd3 6. Qxd3 Bd6 7. Bg3 Nf6 $11 {Andersson,U -
Chiburdanidze,M, Haninge 1988 Game #16}) 3... Bf5 (3... Bg4 4. c4 e6 5. Nc3 (5.
Qb3 Qc7 (5... Qb6 6. Ne5 Bf5 7. Nc3 Nf6 $11) 6. Ne5 Bf5 $11) 5... Nd7 6. h3 (6.
cxd5 exd5 7. Bd3 Ngf6 8. Qb3 Qc7 (8... Qb6 9. Bd2 Bd6 $11) 9. Bd2 Bd6 10. Rc1
Qb6 11. Qxb6 Nxb6 $11) 6... Bh5 7. g4 Bg6 8. h4 Ngf6 9. Ne5 (9. h5 Be4 10. g5
Bxf3 11. Qxf3 Ne4) 9... dxc4 10. Nxc4 h5 $11) 4. c4 e6 5. Nc3 Nd7 6. Bd3 Bxd3
7. Qxd3 f5 {Æ} 8. cxd5 cxd5 9. O-O Bd6 10. h4 a6 {Razumova,T - Polyakova,N,
ch-RUS women Elista RUS 1997 Game #15 Anti-Colle}) 2... e6 3. Nc3 (3. Nf3 c6 4.
e3 Nf6 (4... Bd6 5. Nc3 f5) 5. Nc3 a6 {has transposed to the Accelerated Meran
= see below.}) 3... c6 4. e4 (4. Nf3 dxc4 5. a4 (5. e3 b5 6. Bd2 (6. a4 Bb4
{transposes}) 6... Bb4 7. a3 Bxc3 8. Bxc3 Nf6 $11 9. Nd2 O-O 10. Be2 Bb7 11.
Bf3 Nbd7 12. O-O Qc7 13. Qc2 a6 $17 {black has an extra pawn. Tedchik -
Darbinian, Marianska Lazna Open 2010, Game #7}; 5. e4 b5 6. a4 (6. Bg5 Qb6 7.
Be2 Nd7 (7... Bb7) 8. d5 cxd5 9. exd5 e5 10. O-O Ngf6 (10... f6 11. Be3 Bc5)
11. a4 b4 12. a5 (12. Nb1 Ba6) 12... Qb8 13. Nb1 Bd6 14. h3 O-O 15. Bxc4 Ne4
$11 {Bernev - Baburin, Cork Congress 2010}) 6... Bb4 7. Bd2 Nf6 8. Qb1 a6 9.
Be2 (9. axb5 Bxc3 10. Bxc3 cxb5 11. b3 cxb3 (11... Bb7) 12. Bxb5+ Bd7 13. Bxd7+
Nbxd7 14. Qxb3 Nxe4) 9... Bb7 10. O-O Be7 11. Rd1 Nbd7 {Jobava - Bacrot,
Linares 2001 Game #6}) 5... Bb4 6. e3 (6. Bd2 b5 7. e3 a5 8. axb5 Bxc3 9. Bxc3
cxb5 {transposes back to the main line.}) 6... b5 7. Bd2 (7. Ne5 Nf6 8. Qf3 Qd5
9. Qg3 O-O $17) 7... a5 (7... Bb7 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 a5) 8. axb5
Bxc3 9. Bxc3 (9. bxc3 cxb5 10. Ne5 Nf6 11. Rb1 (11. Qb1 Bd7 {Stempin - Weyrich,
Copenhagen 1990}) 11... Ba6 {Matveeva - Polgar,Zsuzsa , Moscow ol (Women) 1994
Game #5}) 9... cxb5 10. b3 (10. Ne5 Nf6 11. Be2 (11. Qf3 Qd5; 11. b3)) 10...
Bb7 11. bxc4 (11. d5 {Æ} 11... Nf6 12. bxc4 b4 13. Bxf6 (13. Qa4+ Nbd7 14. Bxf6
Qxf6) 13... Qxf6 14. Qa4+ Nd7 15. Nd4 e5 16. Nb3 Ke7 17. Qb5 (17. Be2 Rhc8 18.
Bg4 (18. Rd1 Nc5 19. Nxc5 Rxc5 20. O-O Kf8 21. f4 Rd8 $13 (21... Re8 $5) 22.
Qa1 (22. Kh1 Kg8 23. Bd3 h6 $5 (23... e4 {Nikolaidis - Mastrovasilis, Athens
1998}; 23... Qe7) 24. Qb3 Ba6) 22... Re8 {Gelfand - Vaisser, Cap d'Agde 1996})
18... Qd6 19. Nxa5 Rc5 (19... Rxa5 20. Qxa5) 20. Nxb7 Rxa4 21. Rxa4 Qg6 $1 22.
O-O Qxg4 23. Nxc5 Nxc5 24. Rxb4 Qe2 25. h3 g6 $17 {Naumann - Stangl, Germany:
Bundesliga 1996}) 17... Ba6 18. Qxa5 Rhb8 19. d6+ Ke8 $13 {Serebrjanik -
Maksimenko, Vrnjacka Banja 1991 Game #4 and many other games. Æ}) 11... b4 12.
Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O {Æ} 15. Qc2 (15. Re1 Ne4 $1 16. Nd2 Nxd2 17.
Qxd2 Qc7 18. c5 (18. e4 e5 19. Re3 exd4 20. Bxd4 Ne5 $17 {Ellers - Stangl,
Germany: Bundesliga 1997}) 18... f5 19. f3 (19. e4 fxe4 20. Bxe4 Bxe4 21. Rxe4
Nf6 22. Rxe6 Ng4 23. Rd6 Rxf2 $13) 19... Nf6 {Sadler - Krasenkow, Germany:
Bundesliga 1998 Game #2}; 15. Nd2 Re8 $5 (15... Qc7 16. f4 a4 17. Rb1 Rfd8) 16.
f4 (16. Bc2 Qc7 17. f4 Nb6 {Klimov - Matlakov St Petersburg 2007}) 16... Nc5
17. Bc2 Nce4 18. Nf3 Qc7 (18... Nd7) 19. Ne5 Nd7 {Pham Minh Hoang - Bui Vinh,
VIE-ch 2000 Game #3}) 15... Qc7 (15... h6 $5 16. c5 (16. e4 e5 17. c5 Rc8 $5
(17... Qc7 {transposes to the main line.}); 16. Nd2; 16. Qd1) 16... Bc6 17. e4
Ra7 18. Nd2 Qa8 {Francois Marchand (2244) - Natalia Zhukova (2462), Caleta ENG:
Gibraltar (3) 2010 Æ}) 16. e4 (16. c5 Bc6 17. e4 h6) 16... e5 17. c5 (17. d5
Rfe8 18. Rfe1 Nc5; 17. Rfe1 Rfe8 18. c5 h6; 17. Nxe5 Nxe5 18. dxe5 Ng4) 17...
exd4 18. Bxd4 {Æ} 18... h6 $11 (18... Ng4 {Zuger,Beat - Klinger,J, Bern (1)
1991 Game #1}) 19. e5 (19. Rfc1 Bc6 20. Qb2 Rfe8 21. Nd2 Ne5 (21... Reb8) 22.
Bb1 {Monteleone - Ortega, Vitinia 1998}) 19... Nd5 20. e6 (20. Bc4) 20... fxe6
{Nordahl - Leer, NOR-ch 1999 and Zaichko - Karpeshov, RUS-ch 1999}; 4. e3 Nf6
(4... Bd6 $5 5. Bd3 (5. Qc2 f5 6. Bd3) 5... f5 6. Qc2 Nf6 (6... Ne7; 6... a6 7.
c5 Bc7) 7. cxd5 (7. f4 O-O) 7... cxd5 8. Nb5 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 $11 Nc6
(10... a6); 4... f5 5. Bd3 (5. g4 $5) 5... Nf6 6. Qc2 Bd6 (6... Ne4 7. Nge2 Bd6
8. O-O O-O 9. f3 Na6) 7. f3 (7. cxd5) 7... O-O $13) 5. Nf3 a6 {Accelerated
Meran Alekhine Variation} 6. Bd3 (6. Qc2 b5 7. b3 Bb4 (7... Nbd7) 8. Bd2 Nbd7
9. Bd3 Bb7 10. O-O Qe7 11. a3 Bd6 {Najdorf - Teschner, Helsinki olm 1952 Game
18}) 6... dxc4 7. Bxc4 b5 8. Bb3 (8. Bd3 c5 9. O-O Nbd7 10. Qe2 Bb7 11. Rd1 Qb8
$11) 8... c5 9. O-O Bb7 10. Qe2 Nbd7 11. Rd1 Qb8 $11 12. d5 (12. e4 cxd4 13.
Nxd4 b4 {Berberich - Rabiega, Berlin 1996} (13... Bd6)) 12... c4 (12... Nxd5)
13. dxe6 fxe6 14. Bc2 Bd6 15. e4 O-O {Sagalchik,G - Ibragimov,I, Katowice (1)
1990 Game #17}; 4. cxd5 exd5 {Exchange QGD} 5. Nf3 (5. Bf4 Nf6 6. e3 Bd6 7.
Bxd6 Qxd6 8. Bd3 O-O 9. Qc2 Bg4 $5 $11 {Windsor - Vanush, EU Ch 2010, Game #20
and Newton,Geoff - Pua,Richard, Edmonton 2005}) 5... Bf5 6. Bf4 (6. Bg5 Be7)
6... Bd6 $11 7. Bxd6 Qxd6 8. e3 Nf6 9. Bd3 Bxd3 10. Qxd3 O-O 11. O-O Nbd7 12.
Rab1 a5 13. a3 Rfe8 {Shevatkin - Brukavishin, Russia 2010, Game #19.}) 4...
dxe4 5. Nxe4 Bb4+ 6. Bd2 (6. Nc3 c5 7. Nf3 Nf6 8. Be3 Nc6 9. Be2 (9. dxc5 Qa5)
9... Ng4 10. d5 Nxe3 11. fxe3 Ne7 12. e4 O-O 13. O-O exd5 14. cxd5 Ng6 $11
{Seirawan - Georgiev, Brussels 1992 blitz Game #14}) 6... Qxd4 7. Bxb4 Qxe4+ 8.
Be2 {Marshall Gambit - main line. Æ} (8. Ne2 Nd7 (8... Ne7 9. Qd2 Nd7 10. f3;
8... Na6 9. Bf8 {Æ} 9... Ne7 10. Bxg7 Rg8 (10... Nb4 $5) 11. Bc3 (11. Bf6 Qxc4
12. Ng3 Qf4 13. Bc3 Nc5 14. Qc2 e5 {Kharlov - Filippov, Kazan: RUS 2001}) 11...
Nf5 (11... Qxc4 12. Ng3 Qf4 13. Bxa6 $16) 12. Qd2 Qxc4 13. Nf4 (13. Rd1 $18)
13... Qe4+ 14. Be2 Nc7 {Sarkov - Das}) 9. Qd6 (9. Qd2 c5 10. Bc3 Ngf6 11. O-O-O
O-O 12. Ng3 Qh4 $1 $15 13. Be2 (13. f3 b6 {Englund,H - Forssen, Forsse 1980,
Game #13}) 13... b6) 9... a5 10. Ba3 (10. Bc3 Ngf6 11. b3 (11. O-O-O $2 Qxc4)
11... c5 12. Rd1 Ra6 13. Qd2 O-O) 10... Qe5 11. Qd2 (11. O-O-O Qxd6 12. Bxd6
$11) 11... c5 $11 12. f4 Qb8 13. O-O-O (13. Nc3 Ngf6) 13... b6 {Wells,Peter -
Dao Thien Hai , HUN-ch 1997, Game #12}) 8... c5 $11 9. Bxc5 (9. Bc3 Nc6 10. Nf3
(10. Bxg7 Qxg2 11. Bxh8 Qxh1 12. Kf1 Qxh2 $17 13. Qd3 Bd7 14. Rd1 O-O-O; 10.
Qd6 Nge7 11. Qxc5 (11. Bxg7 Nf5) 11... O-O; 10. Qd2 e5 11. Nf3 f6 12. O-O Nge7
13. Bd3 Qg4 $17) 10... f6 11. O-O Nge7 12. Re1 Qf4 {Leveille - Lesiege,
Hamilton CA 1994 Game #11}) 9... Qxg2 10. Bf3 (10. Qd6 Nd7 11. O-O-O Qc6 12.
Qxc6 bxc6 13. Bd6 Ne7 (13... Bb7 14. c5 (14. Bf3 Nh6 (14... Ne7) 15. Ne2 Nf5;
14. Nf3 Nh6 (14... Ne7 15. Ne5 Nxe5 16. Bxe5 f6 17. Bd6 Kf7 18. Bc5 Rhd8 19.
Kc2 $14) 15. Ne5 $1 (15. Bd3 c5 $17) 15... Nf5 16. Nxd7 Kxd7 17. Bb4+ Kc8 18.
Bc3 Rg8; 14. Nh3 Nh6 15. Bd3 f6) 14... Ne7 15. Nf3 Nf5 {Shishkin - Kantorik,
Krakow 2001 Game #9}) 14. Bd3 Bb7 15. Ne2 Nc8 $13 (15... c5) 16. Bc7 Ncb6 17.
b3 (17. Rhg1 O-O 18. Bd6 Rfd8 19. b3 c5 $11) 17... O-O $11; 10. Qd2 Qxh1 11.
O-O-O Nd7 12. Nf3 Qg2 13. Ba3 (13. Ne5 Ngf6 14. Qd6 Qg5+ 15. f4 Ne4 $1 16. fxg5
Nxd6 17. Bxd6 h6 $19) 13... a5 14. Ne5 Ngf6 15. Bh5 Ra6 $13 {Sulava - Palac,
Croatia 1995 Game #10}) 10... Qg5 11. Bd6 (11. Qd6 Nd7 12. Be3 Qa5+ 13. b4 Qe5
$17; 11. Ba3; 11. Qd4 Nd7) 11... Nc6 12. Ne2 Nge7 13. Rg1 Qf6 14. Nc3 Nd4 $1
{Æ} 15. Bh1 $2 (15. Be4 Ndf5 16. Ba3 $13 Qe5; 15. Bh5 Nef5 16. Rg4 (16. Ne4 $2
Qh4 17. Bg4 Ne3 18. Qxd4 Nc2+ $19) 16... Nxd6 17. Rxd4 Nf5 $17 {Clitan -
Posedaru, Belgrade 2008}) 15... Ndf5 16. Ba3 Qe5+ 17. Be4 Qxh2 $19 {Spraggett -
Gentes, Canada zt 1992 Game #8}  *

[Event "EU Ch"]
[Site "?"]
[Date "2010.03.00"]
[Round "?"]
[White "Windsor, Yohakim"]
[Black "Vanush, Tamas"]
[Result "*"]
[PlyCount "18"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Bf4 Nf6 6. e3 Bd6 7. Bxd6 Qxd6 8.
Bd3 O-O 9. Qc2 Bg4  *

[Event "EU Ch"]
[Site "?"]
[Date "2010.03.00"]
[Round "?"]
[White "Windsor, Yohakim"]
[Black "Vanush, Tamas"]
[Result "*"]
[PlyCount "40"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Bf4 Nf6 6. e3 Bd6 7. Bxd6 Qxd6 8.
Bd3 O-O 9. Qc2 Bg4 $5 10. h3 Bh5 11. Nge2 Bxe2 12. Qxe2 Nbd7 13. O-O Rfe8 14.
Rab1 g6 15. Qc2 Kg7 16. Rfc1 Nb6 17. Na4 Nxa4 18. Qxa4 h5 19. Qd1 h4 20. Rc3 a5
 *

[Event "EU Ch"]
[Site "?"]
[Date "2010.03.00"]
[Round "?"]
[White "Windsor, Yohakim"]
[Black "Vanush, Tamas"]
[Result "*"]
[PlyCount "58"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Bf4 Nf6 6. e3 Bd6 7. Bxd6 Qxd6 8.
Bd3 O-O 9. Qc2 Bg4 $5 10. h3 Bh5 11. Nge2 Bxe2 12. Qxe2 Nbd7 13. O-O Rfe8 14.
Rab1 g6 15. Qc2 Kg7 16. Rfc1 Nb6 17. Na4 Nxa4 18. Qxa4 h5 19. Qd1 h4 20. Rc3 a5
21. Qf3 a4 22. Ra3 Qb4 23. Qd1 b6 24. Bc2 b5 25. Bd3 Re6 26. Qe2 Ng8 27. Rc3
Ne7 28. Rc5 f5 29. Qd1 Rf8  *

[Event "EU Ch"]
[Site "?"]
[Date "2010.03.00"]
[Round "?"]
[White "Windsor, Yohakim"]
[Black "Vanush, Tamas"]
[Result "0-1"]
[PlyCount "78"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Bf4 Nf6 6. e3 Bd6 7. Bxd6 Qxd6 8.
Bd3 O-O 9. Qc2 Bg4 $5 10. h3 Bh5 11. Nge2 Bxe2 12. Qxe2 Nbd7 13. O-O Rfe8 14.
Rab1 g6 15. Qc2 Kg7 16. Rfc1 Nb6 17. Na4 Nxa4 18. Qxa4 h5 19. Qd1 h4 20. Rc3 a5
21. Qf3 a4 22. Ra3 Qb4 23. Qd1 b6 24. Bc2 b5 25. Bd3 Re6 26. Qe2 Ng8 27. Rc3
Ne7 28. Rc5 f5 29. Qd1 Rf8 30. a3 Qa5 31. Rbc1 f4 32. Qg4 Rff6 33. R5c3 (33.
exf4 Re1+ 34. Rxe1 Qxe1+ 35. Bf1 Qd2 $19 36. Qd7 Rf7) 33... fxe3 34. fxe3 Rxe3
35. Qxh4 Qa7 36. Kh1 Qb8 37. Bb1 Re2 38. Re1 Qf4 $1 39. g4 $2 Qh2# 0-1 

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Semi-Slav"]
[Black "Triangle System"]
[Result "*"]
[PlyCount "34"]

1. d4 d5 2. c4 (2. Nf3 c6 3. e3 (3. Bf4 Bf5 4. e3 (4. c3 e6) 4... e6 (4... Qb6
5. Qc1 Nf6 6. Nbd2 e6) 5. Bd3 Bxd3 6. Qxd3 Bd6 7. Bg3 Nf6 $11 {Andersson,U -
Chiburdanidze,M, Haninge 1988 Game #16}) 3... Bf5 (3... Bg4 4. c4 e6 5. Nc3 (5.
Qb3 Qc7 (5... Qb6 6. Ne5 Bf5 7. Nc3 Nf6 $11) 6. Ne5 Bf5 $11) 5... Nd7 6. h3 (6.
cxd5 exd5 7. Bd3 Ngf6 8. Qb3 Qc7 (8... Qb6 9. Bd2 Bd6 $11) 9. Bd2 Bd6 10. Rc1
Qb6 11. Qxb6 Nxb6 $11) 6... Bh5 7. g4 Bg6 8. h4 Ngf6 9. Ne5 (9. h5 Be4 10. g5
Bxf3 11. Qxf3 Ne4) 9... dxc4 10. Nxc4 h5 $11) 4. c4 e6 5. Nc3 Nd7 6. Bd3 Bxd3
7. Qxd3 f5 {Æ} 8. cxd5 cxd5 9. O-O Bd6 10. h4 a6 {Razumova,T - Polyakova,N,
ch-RUS women Elista RUS 1997 Game #15 Anti-Colle}) 2... e6 3. Nc3 (3. Nf3 c6 4.
e3 Nf6 (4... Bd6 5. Nc3 f5) 5. Nc3 a6 {has transposed to the Accelerated Meran
= see below.}) 3... c6 4. e4 (4. Nf3 dxc4 5. a4 (5. e3 b5 6. Bd2 (6. a4 Bb4
{transposes}) 6... Bb4 7. a3 Bxc3 8. Bxc3 Nf6 $11 9. Nd2 O-O 10. Be2 Bb7 11.
Bf3 Nbd7 12. O-O Qc7 13. Qc2 a6 $17 {black has an extra pawn. Tedchik -
Darbinian, Marianska Lazna Open 2010, Game #7}; 5. e4 b5 6. a4 (6. Bg5 Qb6 7.
Be2 Nd7 (7... Bb7) 8. d5 cxd5 9. exd5 e5 10. O-O Ngf6 (10... f6 11. Be3 Bc5)
11. a4 b4 12. a5 (12. Nb1 Ba6) 12... Qb8 13. Nb1 Bd6 14. h3 O-O 15. Bxc4 Ne4
$11 {Bernev - Baburin, Cork Congress 2010}) 6... Bb4 7. Bd2 Nf6 8. Qb1 a6 9.
Be2 (9. axb5 Bxc3 10. Bxc3 cxb5 11. b3 cxb3 (11... Bb7) 12. Bxb5+ Bd7 13. Bxd7+
Nbxd7 14. Qxb3 Nxe4) 9... Bb7 10. O-O Be7 11. Rd1 Nbd7 {Jobava - Bacrot,
Linares 2001 Game #6}) 5... Bb4 6. e3 (6. Bd2 b5 7. e3 a5 8. axb5 Bxc3 9. Bxc3
cxb5 {transposes back to the main line.}) 6... b5 7. Bd2 (7. Ne5 Nf6 8. Qf3 Qd5
9. Qg3 O-O $17) 7... a5 (7... Bb7 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 a5) 8. axb5
Bxc3 9. Bxc3 (9. bxc3 cxb5 10. Ne5 Nf6 11. Rb1 (11. Qb1 Bd7 {Stempin - Weyrich,
Copenhagen 1990}) 11... Ba6 {Matveeva - Polgar,Zsuzsa , Moscow ol (Women) 1994
Game #5}) 9... cxb5 10. b3 (10. Ne5 Nf6 11. Be2 (11. Qf3 Qd5; 11. b3)) 10...
Bb7 11. bxc4 (11. d5 {Æ} 11... Nf6 12. bxc4 b4 13. Bxf6 (13. Qa4+ Nbd7 14. Bxf6
Qxf6) 13... Qxf6 14. Qa4+ Nd7 15. Nd4 e5 16. Nb3 Ke7 17. Qb5 (17. Be2 Rhc8 18.
Bg4 (18. Rd1 Nc5 19. Nxc5 Rxc5 20. O-O Kf8 21. f4 Rd8 $13 (21... Re8 $5) 22.
Qa1 (22. Kh1 Kg8 23. Bd3 h6 $5 (23... e4 {Nikolaidis - Mastrovasilis, Athens
1998}; 23... Qe7) 24. Qb3 Ba6) 22... Re8 {Gelfand - Vaisser, Cap d'Agde 1996})
18... Qd6 19. Nxa5 Rc5 (19... Rxa5 20. Qxa5) 20. Nxb7 Rxa4 21. Rxa4 Qg6 $1 22.
O-O Qxg4 23. Nxc5 Nxc5 24. Rxb4 Qe2 25. h3 g6 $17 {Naumann - Stangl, Germany:
Bundesliga 1996}) 17... Ba6 18. Qxa5 Rhb8 19. d6+ Ke8 $13 {Serebrjanik -
Maksimenko, Vrnjacka Banja 1991 Game #4 and many other games. Æ}) 11... b4 12.
Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O {Æ} 15. Qc2 (15. Re1 Ne4 $1 16. Nd2 Nxd2 17.
Qxd2 Qc7 18. c5 (18. e4 e5 19. Re3 exd4 20. Bxd4 Ne5 $17 {Ellers - Stangl,
Germany: Bundesliga 1997}) 18... f5 19. f3 (19. e4 fxe4 20. Bxe4 Bxe4 21. Rxe4
Nf6 22. Rxe6 Ng4 23. Rd6 Rxf2 $13) 19... Nf6 {Sadler - Krasenkow, Germany:
Bundesliga 1998 Game #2}; 15. Nd2 Re8 $5 (15... Qc7 16. f4 a4 17. Rb1 Rfd8) 16.
f4 (16. Bc2 Qc7 17. f4 Nb6 {Klimov - Matlakov St Petersburg 2007}) 16... Nc5
17. Bc2 Nce4 18. Nf3 Qc7 (18... Nd7) 19. Ne5 Nd7 {Pham Minh Hoang - Bui Vinh,
VIE-ch 2000 Game #3}) 15... Qc7 (15... h6 $5 16. c5 (16. e4 e5 17. c5 Rc8 $5
(17... Qc7 {transposes to the main line.}); 16. Nd2; 16. Qd1) 16... Bc6 17. e4
Ra7 18. Nd2 Qa8 {Francois Marchand (2244) - Natalia Zhukova (2462), Caleta ENG:
Gibraltar (3) 2010 Æ}) 16. e4 (16. c5 Bc6 17. e4 h6) 16... e5 17. c5 (17. d5
Rfe8 18. Rfe1 Nc5; 17. Rfe1 Rfe8 18. c5 h6; 17. Nxe5 Nxe5 18. dxe5 Ng4) 17...
exd4 18. Bxd4 {Æ} 18... h6 $11 (18... Ng4 {Zuger,Beat - Klinger,J, Bern (1)
1991 Game #1}) 19. e5 (19. Rfc1 Bc6 20. Qb2 Rfe8 21. Nd2 Ne5 (21... Reb8) 22.
Bb1 {Monteleone - Ortega, Vitinia 1998}) 19... Nd5 20. e6 (20. Bc4) 20... fxe6
{Nordahl - Leer, NOR-ch 1999 and Zaichko - Karpeshov, RUS-ch 1999}; 4. e3 Nf6
(4... Bd6 $5 5. Bd3 (5. Qc2 f5 6. Bd3) 5... f5 6. Qc2 Nf6 (6... Ne7; 6... a6 7.
c5 Bc7) 7. cxd5 (7. f4 O-O) 7... cxd5 8. Nb5 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 $11 Nc6
(10... a6); 4... f5 5. Bd3 (5. g4 $5) 5... Nf6 6. Qc2 Bd6 (6... Ne4 7. Nge2 Bd6
8. O-O O-O 9. f3 Na6) 7. f3 (7. cxd5) 7... O-O $13) 5. Nf3 a6 {Accelerated
Meran Alekhine Variation} 6. Bd3 (6. Qc2 b5 7. b3 Bb4 (7... Nbd7) 8. Bd2 Nbd7
9. Bd3 Bb7 10. O-O Qe7 11. a3 Bd6 {Najdorf - Teschner, Helsinki olm 1952 Game
18}) 6... dxc4 7. Bxc4 b5 8. Bb3 (8. Bd3 c5 9. O-O Nbd7 10. Qe2 Bb7 11. Rd1 Qb8
$11) 8... c5 9. O-O Bb7 10. Qe2 Nbd7 11. Rd1 Qb8 $11 12. d5 (12. e4 cxd4 13.
Nxd4 b4 {Berberich - Rabiega, Berlin 1996} (13... Bd6)) 12... c4 (12... Nxd5)
13. dxe6 fxe6 14. Bc2 Bd6 15. e4 O-O {Sagalchik,G - Ibragimov,I, Katowice (1)
1990 Game #17}; 4. cxd5 exd5 {Exchange QGD} 5. Nf3 (5. Bf4 Nf6 6. e3 Bd6 7.
Bxd6 Qxd6 8. Bd3 O-O 9. Qc2 Bg4 $5 $11 {Windsor - Vanush, EU Ch 2010, Game #20
and Newton,Geoff - Pua,Richard, Edmonton 2005}) 5... Bf5 6. Bf4 (6. Bg5 Be7)
6... Bd6 $11 7. Bxd6 Qxd6 8. e3 Nf6 9. Bd3 Bxd3 10. Qxd3 O-O 11. O-O Nbd7 12.
Rab1 a5 13. a3 Rfe8 {Minaya - Semkov, St John 1988, Game #19.}) 4... dxe4 5.
Nxe4 Bb4+ 6. Bd2 (6. Nc3 c5 7. Nf3 Nf6 8. Be3 Nc6 9. Be2 (9. dxc5 Qa5) 9... Ng4
10. d5 Nxe3 11. fxe3 Ne7 12. e4 O-O 13. O-O exd5 14. cxd5 Ng6 $11 {Seirawan -
Georgiev, Brussels 1992 blitz Game #14}) 6... Qxd4 7. Bxb4 Qxe4+ 8. Be2
{Marshall Gambit - main line. Æ} (8. Ne2 Nd7 (8... Ne7 9. Qd2 Nd7 10. f3; 8...
Na6 9. Bf8 {Æ} 9... Ne7 10. Bxg7 Rg8 (10... Nb4 $5) 11. Bc3 (11. Bf6 Qxc4 12.
Ng3 Qf4 13. Bc3 Nc5 14. Qc2 e5 {Kharlov - Filippov, Kazan: RUS 2001}) 11... Nf5
(11... Qxc4 12. Ng3 Qf4 13. Bxa6 $16) 12. Qd2 Qxc4 13. Nf4 (13. Rd1 $18) 13...
Qe4+ 14. Be2 Nc7 {Sarkov - Das}) 9. Qd6 (9. Qd2 c5 10. Bc3 Ngf6 11. O-O-O O-O
12. Ng3 Qh4 $1 $15 13. Be2 (13. f3 b6 {Englund,H - Forssen, Forsse 1980, Game
#13}) 13... b6) 9... a5 10. Ba3 (10. Bc3 Ngf6 11. b3 (11. O-O-O $2 Qxc4) 11...
c5 12. Rd1 Ra6 13. Qd2 O-O) 10... Qe5 11. Qd2 (11. O-O-O Qxd6 12. Bxd6 $11)
11... c5 $11 12. f4 Qb8 13. O-O-O (13. Nc3 Ngf6) 13... b6 {Wells,Peter - Dao
Thien Hai , HUN-ch 1997, Game #12}) 8... c5 $11 9. Bxc5 (9. Bc3 Nc6 10. Nf3
(10. Bxg7 Qxg2 11. Bxh8 Qxh1 12. Kf1 Qxh2 $17 13. Qd3 Bd7 14. Rd1 O-O-O; 10.
Qd6 Nge7 11. Qxc5 (11. Bxg7 Nf5) 11... O-O; 10. Qd2 e5 11. Nf3 f6 12. O-O Nge7
13. Bd3 Qg4 $17) 10... f6 11. O-O Nge7 12. Re1 Qf4 {Leveille - Lesiege,
Hamilton CA 1994 Game #11}) 9... Qxg2 10. Bf3 (10. Qd6 Nd7 11. O-O-O Qc6 12.
Qxc6 bxc6 13. Bd6 Ne7 (13... Bb7 14. c5 (14. Bf3 Nh6 (14... Ne7) 15. Ne2 Nf5;
14. Nf3 Nh6 (14... Ne7 15. Ne5 Nxe5 16. Bxe5 f6 17. Bd6 Kf7 18. Bc5 Rhd8 19.
Kc2 $14) 15. Ne5 $1 (15. Bd3 c5 $17) 15... Nf5 16. Nxd7 Kxd7 17. Bb4+ Kc8 18.
Bc3 Rg8; 14. Nh3 Nh6 15. Bd3 f6) 14... Ne7 15. Nf3 Nf5 {Shishkin - Kantorik,
Krakow 2001 Game #9}) 14. Bd3 Bb7 15. Ne2 Nc8 $13 (15... c5) 16. Bc7 Ncb6 17.
b3 (17. Rhg1 O-O 18. Bd6 Rfd8 19. b3 c5 $11) 17... O-O $11; 10. Qd2 Qxh1 11.
O-O-O Nd7 12. Nf3 Qg2 13. Ba3 (13. Ne5 Ngf6 14. Qd6 Qg5+ 15. f4 Ne4 $1 16. fxg5
Nxd6 17. Bxd6 h6 $19) 13... a5 14. Ne5 Ngf6 15. Bh5 Ra6 $13 {Sulava - Palac,
Croatia 1995 Game #10}) 10... Qg5 11. Bd6 (11. Qd6 Nd7 12. Be3 Qa5+ 13. b4 Qe5
$17; 11. Ba3; 11. Qd4 Nd7) 11... Nc6 12. Ne2 Nge7 13. Rg1 Qf6 14. Nc3 Nd4 $1
{Æ} 15. Bh1 $2 (15. Be4 Ndf5 16. Ba3 $13 Qe5; 15. Bh5 Nef5 16. Rg4 (16. Ne4 $2
Qh4 17. Bg4 Ne3 18. Qxd4 Nc2+ $19) 16... Nxd6 17. Rxd4 Nf5 $17 {Clitan -
Posedaru, Belgrade 2008}) 15... Ndf5 16. Ba3 Qe5+ 17. Be4 Qxh2 $19 {Spraggett -
Gentes, Canada zt 1992 Game #8}  *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Semi-Slav"]
[Black "Triangle System"]
[Result "*"]
[PlyCount "34"]

1. d4 d5 2. c4 (2. Nf3 c6 3. e3 (3. Bf4 Bf5 4. e3 (4. c3 e6) 4... e6 (4... Qb6
5. Qc1 Nf6 6. Nbd2 e6) 5. Bd3 Bxd3 6. Qxd3 Bd6 7. Bg3 Nf6 $11 {Andersson,U -
Chiburdanidze,M, Haninge 1988 Game #16}) 3... Bf5 (3... Bg4 4. c4 e6 5. Nc3 (5.
Qb3 Qc7 (5... Qb6 6. Ne5 Bf5 7. Nc3 Nf6 $11) 6. Ne5 Bf5 $11) 5... Nd7 6. h3 (6.
cxd5 exd5 7. Bd3 Ngf6 8. Qb3 Qc7 (8... Qb6 9. Bd2 Bd6 $11) 9. Bd2 Bd6 10. Rc1
Qb6 11. Qxb6 Nxb6 $11) 6... Bh5 7. g4 Bg6 8. h4 Ngf6 9. Ne5 (9. h5 Be4 10. g5
Bxf3 11. Qxf3 Ne4) 9... dxc4 10. Nxc4 h5 $11) 4. c4 e6 5. Nc3 Nd7 6. Bd3 Bxd3
7. Qxd3 f5 {Æ} 8. cxd5 cxd5 9. O-O Bd6 10. h4 a6 {Razumova,T - Polyakova,N,
ch-RUS women Elista RUS 1997 Game #15 Anti-Colle}) 2... e6 3. Nc3 (3. Nf3 c6 4.
e3 Nf6 (4... Bd6 5. Nc3 f5) 5. Nc3 a6 {has transposed to the Accelerated Meran
= see below.}) 3... c6 4. e4 (4. Nf3 dxc4 5. a4 (5. e3 b5 6. Bd2 (6. a4 Bb4
{transposes}) 6... Bb4 7. a3 Bxc3 8. Bxc3 Nf6 $11 9. Nd2 O-O 10. Be2 Bb7 11.
Bf3 Nbd7 12. O-O Qc7 13. Qc2 a6 $17 {black has an extra pawn. Tedchik -
Darbinian, Marianska Lazna Open 2010, Game #7}; 5. e4 b5 6. a4 (6. Bg5 Qb6 7.
Be2 Nd7 (7... Bb7) 8. d5 cxd5 9. exd5 e5 10. O-O Ngf6 (10... f6 11. Be3 Bc5)
11. a4 b4 12. a5 (12. Nb1 Ba6) 12... Qb8 13. Nb1 Bd6 14. h3 O-O 15. Bxc4 Ne4
$11 {Bernev - Baburin, Cork Congress 2010}) 6... Bb4 7. Bd2 Nf6 8. Qb1 a6 9.
Be2 (9. axb5 Bxc3 10. Bxc3 cxb5 11. b3 cxb3 (11... Bb7) 12. Bxb5+ Bd7 13. Bxd7+
Nbxd7 14. Qxb3 Nxe4) 9... Bb7 10. O-O Be7 11. Rd1 Nbd7 {Jobava - Bacrot,
Linares 2001 Game #6}) 5... Bb4 6. e3 (6. Bd2 b5 7. e3 a5 8. axb5 Bxc3 9. Bxc3
cxb5 {transposes back to the main line.}) 6... b5 7. Bd2 (7. Ne5 Nf6 8. Qf3 Qd5
9. Qg3 O-O $17) 7... a5 (7... Bb7 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 a5) 8. axb5
Bxc3 9. Bxc3 (9. bxc3 cxb5 10. Ne5 Nf6 11. Rb1 (11. Qb1 Bd7 {Stempin - Weyrich,
Copenhagen 1990}) 11... Ba6 {Matveeva - Polgar,Zsuzsa , Moscow ol (Women) 1994
Game #5}) 9... cxb5 10. b3 (10. Ne5 Nf6 11. Be2 (11. Qf3 Qd5; 11. b3)) 10...
Bb7 11. bxc4 (11. d5 {Æ} 11... Nf6 12. bxc4 b4 13. Bxf6 (13. Qa4+ Nbd7 14. Bxf6
Qxf6) 13... Qxf6 14. Qa4+ Nd7 15. Nd4 e5 16. Nb3 Ke7 17. Qb5 (17. Be2 Rhc8 18.
Bg4 (18. Rd1 Nc5 19. Nxc5 Rxc5 20. O-O Kf8 21. f4 Rd8 $13 (21... Re8 $5) 22.
Qa1 (22. Kh1 Kg8 23. Bd3 h6 $5 (23... e4 {Nikolaidis - Mastrovasilis, Athens
1998}; 23... Qe7) 24. Qb3 Ba6) 22... Re8 {Gelfand - Vaisser, Cap d'Agde 1996})
18... Qd6 19. Nxa5 Rc5 (19... Rxa5 20. Qxa5) 20. Nxb7 Rxa4 21. Rxa4 Qg6 $1 22.
O-O Qxg4 23. Nxc5 Nxc5 24. Rxb4 Qe2 25. h3 g6 $17 {Naumann - Stangl, Germany:
Bundesliga 1996}) 17... Ba6 18. Qxa5 Rhb8 19. d6+ Ke8 $13 {Serebrjanik -
Maksimenko, Vrnjacka Banja 1991 Game #4 and many other games. Æ}) 11... b4 12.
Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O {Æ} 15. Qc2 (15. Re1 Ne4 $1 16. Nd2 Nxd2 17.
Qxd2 Qc7 18. c5 (18. e4 e5 19. Re3 exd4 20. Bxd4 Ne5 $17 {Ellers - Stangl,
Germany: Bundesliga 1997}) 18... f5 19. f3 (19. e4 fxe4 20. Bxe4 Bxe4 21. Rxe4
Nf6 22. Rxe6 Ng4 23. Rd6 Rxf2 $13) 19... Nf6 {Sadler - Krasenkow, Germany:
Bundesliga 1998 Game #2}; 15. Nd2 Re8 $5 (15... Qc7 16. f4 a4 17. Rb1 Rfd8) 16.
f4 (16. Bc2 Qc7 17. f4 Nb6 {Klimov - Matlakov St Petersburg 2007}) 16... Nc5
17. Bc2 Nce4 18. Nf3 Qc7 (18... Nd7) 19. Ne5 Nd7 {Pham Minh Hoang - Bui Vinh,
VIE-ch 2000 Game #3}) 15... Qc7 (15... h6 $5 16. c5 (16. e4 e5 17. c5 Rc8 $5
(17... Qc7 {transposes to the main line.}); 16. Nd2; 16. Qd1) 16... Bc6 17. e4
Ra7 18. Nd2 Qa8 {Francois Marchand (2244) - Natalia Zhukova (2462), Caleta ENG:
Gibraltar (3) 2010 Æ}) 16. e4 (16. c5 Bc6 17. e4 h6) 16... e5 17. c5 (17. d5
Rfe8 18. Rfe1 Nc5; 17. Rfe1 Rfe8 18. c5 h6; 17. Nxe5 Nxe5 18. dxe5 Ng4) 17...
exd4 18. Bxd4 {Æ} 18... h6 $11 (18... Ng4 {Zuger,Beat - Klinger,J, Bern (1)
1991 Game #1}) 19. e5 (19. Rfc1 Bc6 20. Qb2 Rfe8 21. Nd2 Ne5 (21... Reb8) 22.
Bb1 {Monteleone - Ortega, Vitinia 1998}) 19... Nd5 20. e6 (20. Bc4) 20... fxe6
{Nordahl - Leer, NOR-ch 1999 and Zaichko - Karpeshov, RUS-ch 1999}; 4. e3 Nf6
(4... Bd6 $5 5. Bd3 (5. Qc2 f5 6. Bd3) 5... f5 6. Qc2 Nf6 (6... Ne7; 6... a6 7.
c5 Bc7) 7. cxd5 (7. f4 O-O) 7... cxd5 8. Nb5 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 $11 Nc6
(10... a6); 4... f5 5. Bd3 (5. g4 $5) 5... Nf6 6. Qc2 Bd6 (6... Ne4 7. Nge2 Bd6
8. O-O O-O 9. f3 Na6) 7. f3 (7. cxd5) 7... O-O $13) 5. Nf3 a6 {Accelerated
Meran Alekhine Variation} 6. Bd3 (6. Qc2 b5 7. b3 Bb4 (7... Nbd7) 8. Bd2 Nbd7
9. Bd3 Bb7 10. O-O Qe7 11. a3 Bd6 {Najdorf - Teschner, Helsinki olm 1952 Game
18}) 6... dxc4 7. Bxc4 b5 8. Bb3 (8. Bd3 c5 9. O-O Nbd7 10. Qe2 Bb7 11. Rd1 Qb8
$11) 8... c5 9. O-O Bb7 10. Qe2 Nbd7 11. Rd1 Qb8 $11 12. d5 (12. e4 cxd4 13.
Nxd4 b4 {Berberich - Rabiega, Berlin 1996} (13... Bd6)) 12... c4 (12... Nxd5)
13. dxe6 fxe6 14. Bc2 Bd6 15. e4 O-O {Sagalchik,G - Ibragimov,I, Katowice (1)
1990 Game #17}; 4. cxd5 exd5 {Exchange QGD} 5. Nf3 (5. Bf4 Nf6 6. e3 Bd6 7.
Bxd6 Qxd6 8. Bd3 O-O 9. Qc2 Bg4 $5 $11 {Windsor - Vanush, EU Ch 2010, Game #20
and Newton,Geoff - Pua,Richard, Edmonton 2005}) 5... Bf5 6. Bf4 (6. Bg5 Be7)
6... Bd6 $11 7. Bxd6 Qxd6 8. e3 Nf6 9. Bd3 Bxd3 10. Qxd3 O-O 11. O-O Nbd7 12.
Rab1 a5 13. a3 Rfe8 {Minaya - Semkov, St John 1988, Game #19.}) 4... dxe4 5.
Nxe4 Bb4+ 6. Bd2 (6. Nc3 c5 7. Nf3 Nf6 8. Be3 Nc6 9. Be2 (9. dxc5 Qa5) 9... Ng4
10. d5 Nxe3 11. fxe3 Ne7 12. e4 O-O 13. O-O exd5 14. cxd5 Ng6 $11 {Seirawan -
Georgiev, Brussels 1992 blitz Game #14}) 6... Qxd4 7. Bxb4 Qxe4+ 8. Be2
{Marshall Gambit - main line. Æ} (8. Ne2 Nd7 (8... Ne7 9. Qd2 Nd7 10. f3; 8...
Na6 9. Bf8 {Æ} 9... Ne7 10. Bxg7 Rg8 (10... Nb4 $5) 11. Bc3 (11. Bf6 Qxc4 12.
Ng3 Qf4 13. Bc3 Nc5 14. Qc2 e5 {Kharlov - Filippov, Kazan: RUS 2001}) 11... Nf5
(11... Qxc4 12. Ng3 Qf4 13. Bxa6 $16) 12. Qd2 Qxc4 13. Nf4 (13. Rd1 $18) 13...
Qe4+ 14. Be2 Nc7 {Sarkov - Das}) 9. Qd6 (9. Qd2 c5 10. Bc3 Ngf6 11. O-O-O O-O
12. Ng3 Qh4 $1 $15 13. Be2 (13. f3 b6 {Englund,H - Forssen, Forsse 1980, Game
#13}) 13... b6) 9... a5 10. Ba3 (10. Bc3 Ngf6 11. b3 (11. O-O-O $2 Qxc4) 11...
c5 12. Rd1 Ra6 13. Qd2 O-O) 10... Qe5 11. Qd2 (11. O-O-O Qxd6 12. Bxd6 $11)
11... c5 $11 12. f4 Qb8 13. O-O-O (13. Nc3 Ngf6) 13... b6 {Wells,Peter - Dao
Thien Hai , HUN-ch 1997, Game #12}) 8... c5 $11 9. Bxc5 (9. Bc3 Nc6 10. Nf3
(10. Bxg7 Qxg2 11. Bxh8 Qxh1 12. Kf1 Qxh2 $17 13. Qd3 Bd7 14. Rd1 O-O-O; 10.
Qd6 Nge7 11. Qxc5 (11. Bxg7 Nf5) 11... O-O; 10. Qd2 e5 11. Nf3 f6 12. O-O Nge7
13. Bd3 Qg4 $17) 10... f6 11. O-O Nge7 12. Re1 Qf4 {Leveille - Lesiege,
Hamilton CA 1994 Game #11}) 9... Qxg2 10. Bf3 (10. Qd6 Nd7 11. O-O-O Qc6 12.
Qxc6 bxc6 13. Bd6 Ne7 (13... Bb7 14. c5 (14. Bf3 Nh6 (14... Ne7) 15. Ne2 Nf5;
14. Nf3 Nh6 (14... Ne7 15. Ne5 Nxe5 16. Bxe5 f6 17. Bd6 Kf7 18. Bc5 Rhd8 19.
Kc2 $14) 15. Ne5 $1 (15. Bd3 c5 $17) 15... Nf5 16. Nxd7 Kxd7 17. Bb4+ Kc8 18.
Bc3 Rg8; 14. Nh3 Nh6 15. Bd3 f6) 14... Ne7 15. Nf3 Nf5 {Shishkin - Kantorik,
Krakow 2001 Game #9}) 14. Bd3 Bb7 15. Ne2 Nc8 $13 (15... c5) 16. Bc7 Ncb6 17.
b3 (17. Rhg1 O-O 18. Bd6 Rfd8 19. b3 c5 $11) 17... O-O $11; 10. Qd2 Qxh1 11.
O-O-O Nd7 12. Nf3 Qg2 13. Ba3 (13. Ne5 Ngf6 14. Qd6 Qg5+ 15. f4 Ne4 $1 16. fxg5
Nxd6 17. Bxd6 h6 $19) 13... a5 14. Ne5 Ngf6 15. Bh5 Ra6 $13 {Sulava - Palac,
Croatia 1995 Game #10}) 10... Qg5 11. Bd6 (11. Qd6 Nd7 12. Be3 Qa5+ 13. b4 Qe5
$17; 11. Ba3; 11. Qd4 Nd7) 11... Nc6 12. Ne2 Nge7 13. Rg1 Qf6 14. Nc3 Nd4 $1
{Æ} 15. Bh1 $2 (15. Be4 Ndf5 16. Ba3 $13 Qe5; 15. Bh5 Nef5 16. Rg4 (16. Ne4 $2
Qh4 17. Bg4 Ne3 18. Qxd4 Nc2+ $19) 16... Nxd6 17. Rxd4 Nf5 $17 {Clitan -
Posedaru, Belgrade 2008}) 15... Ndf5 16. Ba3 Qe5+ 17. Be4 Qxh2 $19 {Spraggett -
Gentes, Canada zt 1992 Game #8}  *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Semi-Slav"]
[Black "Triangle System"]
[Result "*"]
[PlyCount "40"]

1. d4 d5 2. c4 (2. Nf3 c6 3. e3 (3. Bf4 Bf5 4. e3 (4. c3 e6) 4... e6 (4... Qb6
5. Qc1 Nf6 6. Nbd2 e6) 5. Bd3 Bxd3 6. Qxd3 Bd6 7. Bg3 Nf6 $11 {Andersson,U -
Chiburdanidze,M, Haninge 1988 Game #16}) 3... Bf5 (3... Bg4 4. c4 e6 5. Nc3 (5.
Qb3 Qc7 (5... Qb6 6. Ne5 Bf5 7. Nc3 Nf6 $11) 6. Ne5 Bf5 $11) 5... Nd7 6. h3 (6.
cxd5 exd5 7. Bd3 Ngf6 8. Qb3 Qc7 (8... Qb6 9. Bd2 Bd6 $11) 9. Bd2 Bd6 10. Rc1
Qb6 11. Qxb6 Nxb6 $11) 6... Bh5 7. g4 Bg6 8. h4 Ngf6 9. Ne5 (9. h5 Be4 10. g5
Bxf3 11. Qxf3 Ne4) 9... dxc4 10. Nxc4 h5 $11) 4. c4 e6 5. Nc3 Nd7 6. Bd3 Bxd3
7. Qxd3 f5 {Æ} 8. cxd5 cxd5 9. O-O Bd6 10. h4 a6 {Razumova,T - Polyakova,N,
ch-RUS women Elista RUS 1997 Game #15 Anti-Colle}) 2... e6 3. Nc3 (3. Nf3 c6 4.
e3 Nf6 (4... Bd6 5. Nc3 f5) 5. Nc3 a6 {has transposed to the Accelerated Meran
= see below.}) 3... c6 4. Nf3 (4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 (6. Nc3 c5 7. Nf3
Nf6 8. Be3 Nc6 9. Be2 (9. dxc5 Qa5) 9... Ng4 10. d5 Nxe3 11. fxe3 Ne7 12. e4
O-O 13. O-O exd5 14. cxd5 Ng6 $11 {Seirawan - Georgiev, Brussels 1992 blitz
Game #14}) 6... Qxd4 7. Bxb4 Qxe4+ 8. Be2 {Marshall Gambit - main line. Æ} (8.
Ne2 Nd7 (8... Ne7 9. Qd2 Nd7 10. f3; 8... Na6 9. Bf8 {Æ} 9... Ne7 10. Bxg7 Rg8
(10... Nb4 $5) 11. Bc3 (11. Bf6 Qxc4 12. Ng3 Qf4 13. Bc3 Nc5 14. Qc2 e5
{Kharlov - Filippov, Kazan: RUS 2001}) 11... Nf5 (11... Qxc4 12. Ng3 Qf4 13.
Bxa6 $16) 12. Qd2 Qxc4 13. Nf4 (13. Rd1 $18) 13... Qe4+ 14. Be2 Nc7 {Sarkov -
Das}) 9. Qd6 (9. Qd2 c5 10. Bc3 Ngf6 11. O-O-O O-O 12. Ng3 Qh4 $1 $15 13. Be2
(13. f3 b6 {Englund,H - Forssen, Forsse 1980, Game #13}) 13... b6) 9... a5 10.
Ba3 (10. Bc3 Ngf6 11. b3 (11. O-O-O $2 Qxc4) 11... c5 12. Rd1 Ra6 13. Qd2 O-O)
10... Qe5 11. Qd2 (11. O-O-O Qxd6 12. Bxd6 $11) 11... c5 $11 12. f4 Qb8 13.
O-O-O (13. Nc3 Ngf6) 13... b6 {Wells,Peter - Dao Thien Hai , HUN-ch 1997, Game
#12}) 8... c5 $11 9. Bxc5 (9. Bc3 Nc6 10. Nf3 (10. Bxg7 Qxg2 11. Bxh8 Qxh1 12.
Kf1 Qxh2 $17 13. Qd3 Bd7 14. Rd1 O-O-O; 10. Qd6 Nge7 11. Qxc5 (11. Bxg7 Nf5)
11... O-O; 10. Qd2 e5 11. Nf3 f6 12. O-O Nge7 13. Bd3 Qg4 $17) 10... f6 11. O-O
Nge7 12. Re1 Qf4 {Leveille - Lesiege, Hamilton CA 1994 Game #11}) 9... Qxg2 10.
Bf3 (10. Qd6 Nd7 11. O-O-O Qc6 12. Qxc6 bxc6 13. Bd6 Ne7 (13... Bb7 14. c5 (14.
Bf3 Nh6 (14... Ne7) 15. Ne2 Nf5; 14. Nf3 Nh6 (14... Ne7 15. Ne5 Nxe5 16. Bxe5
f6 17. Bd6 Kf7 18. Bc5 Rhd8 19. Kc2 $14) 15. Ne5 $1 (15. Bd3 c5 $17) 15... Nf5
16. Nxd7 Kxd7 17. Bb4+ Kc8 18. Bc3 Rg8; 14. Nh3 Nh6 15. Bd3 f6) 14... Ne7 15.
Nf3 Nf5 {Shishkin - Kantorik, Krakow 2001 Game #9}) 14. Bd3 Bb7 15. Ne2 Nc8 $13
(15... c5) 16. Bc7 Ncb6 17. b3 (17. Rhg1 O-O 18. Bd6 Rfd8 19. b3 c5 $11) 17...
O-O $11; 10. Qd2 Qxh1 11. O-O-O Nd7 12. Nf3 Qg2 13. Ba3 (13. Ne5 Ngf6 14. Qd6
Qg5+ 15. f4 Ne4 $1 16. fxg5 Nxd6 17. Bxd6 h6 $19) 13... a5 14. Ne5 Ngf6 15. Bh5
Ra6 $13 {Sulava - Palac, Croatia 1995 Game #10}) 10... Qg5 11. Bd6 (11. Qd6 Nd7
12. Be3 Qa5+ 13. b4 Qe5 $17; 11. Ba3; 11. Qd4 Nd7) 11... Nc6 12. Ne2 Nge7 13.
Rg1 Qf6 14. Nc3 Nd4 $1 {Æ} 15. Bh1 $2 (15. Be4 Ndf5 16. Ba3 $13 Qe5; 15. Bh5
Nef5 16. Rg4 (16. Ne4 $2 Qh4 17. Bg4 Ne3 18. Qxd4 Nc2+ $19) 16... Nxd6 17. Rxd4
Nf5 $17 {Clitan - Posedaru, Belgrade 2008}) 15... Ndf5 16. Ba3 Qe5+ 17. Be4
Qxh2 $19 {Spraggett - Gentes, Canada zt 1992 Game #8}; 4. e3 Nf6 (4... Bd6 $5
5. Bd3 (5. Qc2 f5 6. Bd3) 5... f5 6. Qc2 Nf6 (6... Ne7; 6... a6 7. c5 Bc7) 7.
cxd5 (7. f4 O-O) 7... cxd5 8. Nb5 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 $11 Nc6 (10...
a6); 4... f5 5. Bd3 (5. g4 $5) 5... Nf6 6. Qc2 Bd6 (6... Ne4 7. Nge2 Bd6 8. O-O
O-O 9. f3 Na6) 7. f3 (7. cxd5) 7... O-O $13) 5. Nf3 a6 {Accelerated Meran
Alekhine Variation} 6. Bd3 (6. Qc2 b5 7. b3 Bb4 (7... Nbd7) 8. Bd2 Nbd7 9. Bd3
Bb7 10. O-O Qe7 11. a3 Bd6 {Najdorf - Teschner, Helsinki olm 1952 Game 18})
6... dxc4 7. Bxc4 b5 8. Bb3 (8. Bd3 c5 9. O-O Nbd7 10. Qe2 Bb7 11. Rd1 Qb8 $11)
8... c5 9. O-O Bb7 10. Qe2 Nbd7 11. Rd1 Qb8 $11 12. d5 (12. e4 cxd4 13. Nxd4 b4
{Berberich - Rabiega, Berlin 1996} (13... Bd6)) 12... c4 (12... Nxd5) 13. dxe6
fxe6 14. Bc2 Bd6 15. e4 O-O {Sagalchik,G - Ibragimov,I, Katowice (1) 1990 Game
#17}; 4. cxd5 exd5 {Exchange QGD} 5. Nf3 (5. Bf4 Nf6 6. e3 Bd6 7. Bxd6 Qxd6 8.
Bd3 O-O 9. Qc2 Bg4 $5 $11 {Windsor - Vanush, EU Ch 2010, Game #20 and
Newton,Geoff - Pua,Richard, Edmonton 2005}) 5... Bf5 6. Bf4 (6. Bg5 Be7) 6...
Bd6 $11 7. Bxd6 Qxd6 8. e3 Nf6 9. Bd3 Bxd3 10. Qxd3 O-O 11. O-O Nbd7 12. Rab1
a5 13. a3 Rfe8 {Minaya - Semkov, St John 1988, Game #19.}) 4... dxc4 5. a4 (5.
e3 b5 6. Bd2 (6. a4 Bb4 {transposes}) 6... Bb4 7. a3 Bxc3 8. Bxc3 Nf6 $11 9.
Nd2 O-O 10. Be2 Bb7 11. Bf3 Nbd7 12. O-O Qc7 13. Qc2 a6 $17 {black has an extra
pawn. Tedchik - Darbinian, Marianska Lazna Open 2010, Game #7}; 5. e4 b5 6. a4
(6. Bg5 Qb6 7. Be2 Nd7 (7... Bb7) 8. d5 cxd5 9. exd5 e5 10. O-O Ngf6 (10... f6
11. Be3 Bc5) 11. a4 b4 12. a5 (12. Nb1 Ba6) 12... Qb8 13. Nb1 Bd6 14. h3 O-O
15. Bxc4 Ne4 $11 {Bernev - Baburin, Cork Congress 2010}) 6... Bb4 7. Bd2 Nf6 8.
Qb1 a6 9. Be2 (9. axb5 Bxc3 10. Bxc3 cxb5 11. b3 cxb3 (11... Bb7) 12. Bxb5+ Bd7
13. Bxd7+ Nbxd7 14. Qxb3 Nxe4) 9... Bb7 10. O-O Be7 11. Rd1 Nbd7 {Jobava -
Bacrot, Linares 2001 Game #6}) 5... Bb4 6. e3 (6. Bd2 b5 7. e3 a5 8. axb5 Bxc3
9. Bxc3 cxb5 {transposes back to the main line.}) 6... b5 7. Bd2 (7. Ne5 Nf6 8.
Qf3 Qd5 9. Qg3 O-O $17) 7... a5 (7... Bb7 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 a5)
8. axb5 Bxc3 9. Bxc3 (9. bxc3 cxb5 10. Ne5 Nf6 11. Rb1 (11. Qb1 Bd7 {Stempin -
Weyrich, Copenhagen 1990}) 11... Ba6 {Matveeva - Polgar,Zsuzsa , Moscow ol
(Women) 1994 Game #5}) 9... cxb5 10. b3 (10. Ne5 Nf6 11. Be2 (11. Qf3 Qd5; 11.
b3)) 10... Bb7 11. bxc4 (11. d5 {Æ} 11... Nf6 12. bxc4 b4 13. Bxf6 (13. Qa4+
Nbd7 14. Bxf6 Qxf6) 13... Qxf6 14. Qa4+ Nd7 15. Nd4 e5 16. Nb3 Ke7 17. Qb5 (17.
Be2 Rhc8 18. Bg4 (18. Rd1 Nc5 19. Nxc5 Rxc5 20. O-O Kf8 21. f4 Rd8 $13 (21...
Re8 $5) 22. Qa1 (22. Kh1 Kg8 23. Bd3 h6 $5 (23... e4 {Nikolaidis -
Mastrovasilis, Athens 1998}; 23... Qe7) 24. Qb3 Ba6) 22... Re8 {Gelfand -
Vaisser, Cap d'Agde 1996}) 18... Qd6 19. Nxa5 Rc5 (19... Rxa5 20. Qxa5) 20.
Nxb7 Rxa4 21. Rxa4 Qg6 $1 22. O-O Qxg4 23. Nxc5 Nxc5 24. Rxb4 Qe2 25. h3 g6 $17
{Naumann - Stangl, Germany: Bundesliga 1996}) 17... Ba6 18. Qxa5 Rhb8 19. d6+
Ke8 $13 {Serebrjanik - Maksimenko, Vrnjacka Banja 1991 Game #4 and many other
games. Æ}) 11... b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O {Æ} 15. Qc2 (15. Re1
Ne4 $1 16. Nd2 Nxd2 17. Qxd2 Qc7 18. c5 (18. e4 e5 19. Re3 exd4 20. Bxd4 Ne5
$17 {Ellers - Stangl, Germany: Bundesliga 1997}) 18... f5 19. f3 (19. e4 fxe4
20. Bxe4 Bxe4 21. Rxe4 Nf6 22. Rxe6 Ng4 23. Rd6 Rxf2 $13) 19... Nf6 {Sadler -
Krasenkow, Germany: Bundesliga 1998 Game #2}; 15. Nd2 Re8 $5 (15... Qc7 16. f4
a4 17. Rb1 Rfd8) 16. f4 (16. Bc2 Qc7 17. f4 Nb6 {Klimov - Matlakov St
Petersburg 2007}) 16... Nc5 17. Bc2 Nce4 18. Nf3 Qc7 (18... Nd7) 19. Ne5 Nd7
{Pham Minh Hoang - Bui Vinh, VIE-ch 2000 Game #3}) 15... Qc7 (15... h6 $5 16.
c5 (16. e4 e5 17. c5 Rc8 $5 (17... Qc7 {transposes to the main line.}); 16.
Nd2; 16. Qd1) 16... Bc6 17. e4 Ra7 18. Nd2 Qa8 {Francois Marchand (2244) -
Natalia Zhukova (2462), Caleta ENG: Gibraltar (3) 2010 Æ}) 16. e4 (16. c5 Bc6
17. e4 h6) 16... e5 17. c5 (17. d5 Rfe8 18. Rfe1 Nc5; 17. Rfe1 Rfe8 18. c5 h6;
17. Nxe5 Nxe5 18. dxe5 Ng4) 17... exd4 18. Bxd4 {Æ} 18... h6 $11 (18... Ng4
{Zuger,Beat - Klinger,J, Bern (1) 1991 Game #1}) 19. e5 (19. Rfc1 Bc6 20. Qb2
Rfe8 21. Nd2 Ne5 (21... Reb8) 22. Bb1 {Monteleone - Ortega, Vitinia 1998})
19... Nd5 20. e6 (20. Bc4) 20... fxe6 {Nordahl - Leer, NOR-ch 1999 and Zaichko
- Karpeshov, RUS-ch 1999}  *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Semi-Slav"]
[Black "Triangle System"]
[Result "*"]
[PlyCount "40"]

1. d4 d5 2. c4 (2. Nf3 c6 3. e3 (3. Bf4 Bf5 4. e3 (4. c3 e6) 4... e6 (4... Qb6
5. Qc1 Nf6 6. Nbd2 e6) 5. Bd3 Bxd3 6. Qxd3 Bd6 7. Bg3 Nf6 $11 {Andersson,U -
Chiburdanidze,M, Haninge 1988 Game #16}) 3... Bf5 (3... Bg4 4. c4 e6 5. Nc3 (5.
Qb3 Qc7 (5... Qb6 6. Ne5 Bf5 7. Nc3 Nf6 $11) 6. Ne5 Bf5 $11) 5... Nd7 6. h3 (6.
cxd5 exd5 7. Bd3 Ngf6 8. Qb3 Qc7 (8... Qb6 9. Bd2 Bd6 $11) 9. Bd2 Bd6 10. Rc1
Qb6 11. Qxb6 Nxb6 $11) 6... Bh5 7. g4 Bg6 8. h4 Ngf6 9. Ne5 (9. h5 Be4 10. g5
Bxf3 11. Qxf3 Ne4) 9... dxc4 10. Nxc4 h5 $11) 4. c4 e6 5. Nc3 Nd7 6. Bd3 Bxd3
7. Qxd3 f5 {Æ} 8. cxd5 cxd5 9. O-O Bd6 10. h4 a6 {Razumova,T - Polyakova,N,
ch-RUS women Elista RUS 1997 Game #15 Anti-Colle}) 2... e6 3. Nc3 (3. Nf3 c6 4.
e3 Nf6 (4... Bd6 5. Nc3 f5) 5. Nc3 a6 {has transposed to the Accelerated Meran
= see below.}) 3... c6 4. Nf3 (4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 (6. Nc3 c5 7. Nf3
Nf6 8. Be3 Nc6 9. Be2 (9. dxc5 Qa5) 9... Ng4 10. d5 Nxe3 11. fxe3 Ne7 12. e4
O-O 13. O-O exd5 14. cxd5 Ng6 $11 {Seirawan - Georgiev, Brussels 1992 blitz
Game #14}) 6... Qxd4 7. Bxb4 Qxe4+ 8. Be2 {Marshall Gambit - main line. Æ} (8.
Ne2 Nd7 (8... Ne7 9. Qd2 Nd7 10. f3; 8... Na6 9. Bf8 {Æ} 9... Ne7 10. Bxg7 Rg8
(10... Nb4 $5) 11. Bc3 (11. Bf6 Qxc4 12. Ng3 Qf4 13. Bc3 Nc5 14. Qc2 e5
{Kharlov - Filippov, Kazan: RUS 2001}) 11... Nf5 (11... Qxc4 12. Ng3 Qf4 13.
Bxa6 $16) 12. Qd2 Qxc4 13. Nf4 (13. Rd1 $18) 13... Qe4+ 14. Be2 Nc7 {Sarkov -
Das}) 9. Qd6 (9. Qd2 c5 10. Bc3 Ngf6 11. O-O-O O-O 12. Ng3 Qh4 $1 $15 13. Be2
(13. f3 b6 {Englund,H - Forssen, Forsse 1980, Game #13}) 13... b6) 9... a5 10.
Ba3 (10. Bc3 Ngf6 11. b3 (11. O-O-O $2 Qxc4) 11... c5 12. Rd1 Ra6 13. Qd2 O-O)
10... Qe5 11. Qd2 (11. O-O-O Qxd6 12. Bxd6 $11) 11... c5 $11 12. f4 Qb8 13.
O-O-O (13. Nc3 Ngf6) 13... b6 {Wells,Peter - Dao Thien Hai , HUN-ch 1997, Game
#12}) 8... c5 $11 9. Bxc5 (9. Bc3 Nc6 10. Nf3 (10. Bxg7 Qxg2 11. Bxh8 Qxh1 12.
Kf1 Qxh2 $17 13. Qd3 Bd7 14. Rd1 O-O-O; 10. Qd6 Nge7 11. Qxc5 (11. Bxg7 Nf5)
11... O-O; 10. Qd2 e5 11. Nf3 f6 12. O-O Nge7 13. Bd3 Qg4 $17) 10... f6 11. O-O
Nge7 12. Re1 Qf4 {Leveille - Lesiege, Hamilton CA 1994 Game #11}) 9... Qxg2 10.
Bf3 (10. Qd6 Nd7 11. O-O-O Qc6 12. Qxc6 bxc6 13. Bd6 Ne7 (13... Bb7 14. c5 (14.
Bf3 Nh6 (14... Ne7) 15. Ne2 Nf5; 14. Nf3 Nh6 (14... Ne7 15. Ne5 Nxe5 16. Bxe5
f6 17. Bd6 Kf7 18. Bc5 Rhd8 19. Kc2 $14) 15. Ne5 $1 (15. Bd3 c5 $17) 15... Nf5
16. Nxd7 Kxd7 17. Bb4+ Kc8 18. Bc3 Rg8; 14. Nh3 Nh6 15. Bd3 f6) 14... Ne7 15.
Nf3 Nf5 {Shishkin - Kantorik, Krakow 2001 Game #9}) 14. Bd3 Bb7 15. Ne2 Nc8 $13
(15... c5) 16. Bc7 Ncb6 17. b3 (17. Rhg1 O-O 18. Bd6 Rfd8 19. b3 c5 $11) 17...
O-O $11; 10. Qd2 Qxh1 11. O-O-O Nd7 12. Nf3 Qg2 13. Ba3 (13. Ne5 Ngf6 14. Qd6
Qg5+ 15. f4 Ne4 $1 16. fxg5 Nxd6 17. Bxd6 h6 $19) 13... a5 14. Ne5 Ngf6 15. Bh5
Ra6 $13 {Sulava - Palac, Croatia 1995 Game #10}) 10... Qg5 11. Bd6 (11. Qd6 Nd7
12. Be3 Qa5+ 13. b4 Qe5 $17; 11. Ba3; 11. Qd4 Nd7) 11... Nc6 12. Ne2 Nge7 13.
Rg1 Qf6 14. Nc3 Nd4 $1 {Æ} 15. Bh1 $2 (15. Be4 Ndf5 16. Ba3 $13 Qe5; 15. Bh5
Nef5 16. Rg4 (16. Ne4 $2 Qh4 17. Bg4 Ne3 18. Qxd4 Nc2+ $19) 16... Nxd6 17. Rxd4
Nf5 $17 {Clitan - Posedaru, Belgrade 2008}) 15... Ndf5 16. Ba3 Qe5+ 17. Be4
Qxh2 $19 {Spraggett - Gentes, Canada zt 1992 Game #8}; 4. e3 Nf6 (4... Bd6 $5
5. Bd3 (5. Qc2 f5 6. Bd3) 5... f5 6. Qc2 Nf6 (6... Ne7; 6... a6 7. c5 Bc7) 7.
cxd5 (7. f4 O-O) 7... cxd5 8. Nb5 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 $11 Nc6 (10...
a6); 4... f5 5. Bd3 (5. g4 $5) 5... Nf6 6. Qc2 Bd6 (6... Ne4 7. Nge2 Bd6 8. O-O
O-O 9. f3 Na6) 7. f3 (7. cxd5) 7... O-O $13) 5. Nf3 a6 {Accelerated Meran
Alekhine Variation} 6. Bd3 (6. Qc2 b5 7. b3 Bb4 (7... Nbd7) 8. Bd2 Nbd7 9. Bd3
Bb7 10. O-O Qe7 11. a3 Bd6 {Najdorf - Teschner, Helsinki olm 1952 Game 18})
6... dxc4 7. Bxc4 b5 8. Bb3 (8. Bd3 c5 9. O-O Nbd7 10. Qe2 Bb7 11. Rd1 Qb8 $11)
8... c5 9. O-O Bb7 10. Qe2 Nbd7 11. Rd1 Qb8 $11 12. d5 (12. e4 cxd4 13. Nxd4 b4
{Berberich - Rabiega, Berlin 1996} (13... Bd6)) 12... c4 (12... Nxd5) 13. dxe6
fxe6 14. Bc2 Bd6 15. e4 O-O {Sagalchik,G - Ibragimov,I, Katowice (1) 1990 Game
#17}; 4. cxd5 exd5 {Exchange QGD} 5. Nf3 (5. Bf4 Nf6 6. e3 Bd6 7. Bxd6 Qxd6 8.
Bd3 O-O 9. Qc2 Bg4 $5 $11 {Windsor - Vanush, EU Ch 2010, Game #20 and
Newton,Geoff - Pua,Richard, Edmonton 2005}) 5... Bf5 6. Bf4 (6. Bg5 Be7) 6...
Bd6 $11 7. Bxd6 Qxd6 8. e3 Nf6 9. Bd3 Bxd3 10. Qxd3 O-O 11. O-O Nbd7 12. Rab1
a5 13. a3 Rfe8 {Minaya - Semkov, St John 1988, Game #19.}) 4... dxc4 5. a4 (5.
e3 b5 6. Bd2 (6. a4 Bb4 {transposes}) 6... Bb4 7. a3 Bxc3 8. Bxc3 Nf6 $11 9.
Nd2 O-O 10. Be2 Bb7 11. Bf3 Nbd7 12. O-O Qc7 13. Qc2 a6 $17 {black has an extra
pawn. Tedchik - Darbinian, Marianska Lazna Open 2010, Game #7}; 5. e4 b5 6. a4
(6. Bg5 Qb6 7. Be2 Nd7 (7... Bb7) 8. d5 cxd5 9. exd5 e5 10. O-O Ngf6 (10... f6
11. Be3 Bc5) 11. a4 b4 12. a5 (12. Nb1 Ba6) 12... Qb8 13. Nb1 Bd6 14. h3 O-O
15. Bxc4 Ne4 $11 {Bernev - Baburin, Cork Congress 2010}) 6... Bb4 7. Bd2 Nf6 8.
Qb1 a6 9. Be2 (9. axb5 Bxc3 10. Bxc3 cxb5 11. b3 cxb3 (11... Bb7) 12. Bxb5+ Bd7
13. Bxd7+ Nbxd7 14. Qxb3 Nxe4) 9... Bb7 10. O-O Be7 11. Rd1 Nbd7 {Jobava -
Bacrot, Linares 2001 Game #6}) 5... Bb4 6. e3 (6. Bd2 b5 7. e3 a5 8. axb5 Bxc3
9. Bxc3 cxb5 {transposes back to the main line.}) 6... b5 7. Bd2 (7. Ne5 Nf6 8.
Qf3 Qd5 9. Qg3 O-O $17) 7... a5 (7... Bb7 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 a5)
8. axb5 Bxc3 9. Bxc3 (9. bxc3 cxb5 10. Ne5 Nf6 11. Rb1 (11. Qb1 Bd7 {Stempin -
Weyrich, Copenhagen 1990}) 11... Ba6 {Matveeva - Polgar,Zsuzsa , Moscow ol
(Women) 1994 Game #5}) 9... cxb5 10. b3 (10. Ne5 Nf6 11. Be2 (11. Qf3 Qd5; 11.
b3)) 10... Bb7 11. bxc4 (11. d5 {Æ} 11... Nf6 12. bxc4 b4 13. Bxf6 (13. Qa4+
Nbd7 14. Bxf6 Qxf6) 13... Qxf6 14. Qa4+ Nd7 15. Nd4 e5 16. Nb3 Ke7 17. Qb5 (17.
Be2 Rhc8 18. Bg4 (18. Rd1 Nc5 19. Nxc5 Rxc5 20. O-O Kf8 21. f4 Rd8 $13 (21...
Re8 $5) 22. Qa1 (22. Kh1 Kg8 23. Bd3 h6 $5 (23... e4 {Nikolaidis -
Mastrovasilis, Athens 1998}; 23... Qe7) 24. Qb3 Ba6) 22... Re8 {Gelfand -
Vaisser, Cap d'Agde 1996}) 18... Qd6 19. Nxa5 Rc5 (19... Rxa5 20. Qxa5) 20.
Nxb7 Rxa4 21. Rxa4 Qg6 $1 22. O-O Qxg4 23. Nxc5 Nxc5 24. Rxb4 Qe2 25. h3 g6 $17
{Naumann - Stangl, Germany: Bundesliga 1996}) 17... Ba6 18. Qxa5 Rhb8 19. d6+
Ke8 $13 {Serebrjanik - Maksimenko, Vrnjacka Banja 1991 Game #4 and many other
games. Æ}) 11... b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O {Æ} 15. Qc2 (15. Re1
Ne4 $1 16. Nd2 (16. c5 Bd5 (16... Bc6; 16... Qc7; 16... f5 17. Bb5 Bd5 18. Qc2
Qc7)) 16... Nxd2 17. Qxd2 Qc7 18. c5 (18. e4 e5 19. Re3 exd4 20. Bxd4 Ne5 $17
{Ellers - Stangl, Germany: Bundesliga 1997}) 18... f5 19. f3 (19. e4 fxe4 20.
Bxe4 Bxe4 21. Rxe4 Nf6 22. Rxe6 Ng4 23. Rd6 Rxf2 $13) 19... Nf6 {Sadler -
Krasenkow, Germany: Bundesliga 1998 Game #2}; 15. Nd2 Re8 $5 (15... Qc7 16. f4
a4 17. Rb1 Rfd8) 16. f4 (16. Bc2 Qc7 17. f4 Nb6 {Klimov - Matlakov St
Petersburg 2007}) 16... Nc5 17. Bc2 Nce4 18. Nf3 Qc7 (18... Nd7) 19. Ne5 Nd7
{Pham Minh Hoang - Bui Vinh, VIE-ch 2000 Game #3}) 15... Qc7 (15... h6 $5 16.
c5 (16. e4 e5 17. c5 Rc8 $5 (17... Qc7 {transposes to the main line.}); 16.
Nd2; 16. Qd1) 16... Bc6 17. e4 Ra7 18. Nd2 Qa8 {Francois Marchand (2244) -
Natalia Zhukova (2462), Caleta ENG: Gibraltar (3) 2010 Æ}) 16. e4 (16. c5 Bc6
17. e4 h6) 16... e5 17. c5 (17. d5 Rfe8 18. Rfe1 Nc5; 17. Rfe1 Rfe8 18. c5 h6;
17. Nxe5 Nxe5 18. dxe5 Ng4) 17... exd4 18. Bxd4 {Æ} 18... h6 $11 (18... Ng4
{Zuger,Beat - Klinger,J, Bern (1) 1991 Game #1}) 19. e5 (19. Rfc1 Bc6 20. Qb2
Rfe8 21. Nd2 Ne5 (21... Reb8) 22. Bb1 {Monteleone - Ortega, Vitinia 1998})
19... Nd5 20. e6 (20. Bc4) 20... fxe6 {Nordahl - Leer, NOR-ch 1999 and Zaichko
- Karpeshov, RUS-ch 1999}  *

[Event "Hastings 4647"]
[Site "Hastings"]
[Date "1946.??.??"]
[Round "4"]
[White "Wood, Gabriel"]
[Black "Abrahams, Gerald"]
[Result "1-0"]
[PlyCount "79"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Ne4 14. O-O O-O
15. Qc2 f5 16. Ne5 Nd7 17. Nxd7 Qxd7 18. f3 Nf6 19. e4 (19. d5 {0.43 v -0.23}
19... exd5 20. Bxf5 Qc6 21. Rfc1 a4 22. cxd5 Qxc2 23. Bxc2) 19... g6 (19...
fxe4 {-0.23 v 2.18} 20. fxe4 a4 21. d5 Qe7 22. c5 exd5 23. c6 Ba6 24. Bxf6 Qa7+
25. Kh1 b3 26. Qd1 Bxd3 27. Qxd3 gxf6 28. exd5 b2 29. Rad1 a3 30. d6 Kh8 31.
Qc3 Qa5 32. Qd4 Qa4 33. Qc3 Qa5 34. Qd4 Qa7 35. Qc3 Qa5 1/2-1/2) 20. d5 exd5
21. exf5 (21. exd5 {2.05 v 1.21} 21... Rf7 22. Rfe1 Qd8 23. Bd4 Nh5) 21... g5
(21... a4 {1.21 v 2.55}) 22. Rfe1 a4 23. Re6 (23. Qd2 {2.77 v 1.52} 23... a3
24. Bxf6 Rxf6 25. Qxb4 dxc4 26. Bxc4+ Bd5 27. Re7) 23... d4 (23... a3 {1.52 v
4.76} 24. Rxf6 axb2 25. Rxf8+ Rxf8 26. Qxb2 Qe7 27. Qd4 Qg7) 24. Rae1 (24. c5
{4.76 v 3.60} 24... a3 25. Rd6 Qe7 26. Bc4+ Kg7 27. Bxd4 Rad8 28. Re6) 24... b3
(24... a3 {3.60 v 4.30} 25. Re7 Qd8 26. Rxb7 Qc8 27. Rxb4) 25. Qc1 Qg7 (25...
Rae8 {5.73 v 6.55} 26. Ba3 Qg7 27. Bxf8 Rxf8 28. Re7 Rf7 29. Rxf7 Qxf7) 26. Re7
(26. Bxd4 {6.55 v 6.03} 26... Rad8 27. Qc3 Rxd4 28. Qxd4 Ba8 29. c5 Bd5 30.
Rd6) 26... Rf7 27. Ba3 (27. Rxf7 {6.38 v 3.21} 27... Kxf7 28. Re6 Nd7 29. Qe1
Qf8 30. Bxd4 Re8 31. c5) 27... Raf8 28. Qb2 (28. Rxf7 {3.26 v 2.22} 28... Rxf7
29. c5 Bd5 30. c6 Rc7 31. Qc5 h6 32. Bc4) 28... Rxe7 (28... g4 {2.22 v 3.50}
29. f4 Rxe7 30. Rxe7 Rf7 31. Re6 Bc8 32. Rd6 Bd7) 29. Rxe7 Rf7 30. Re6 (30.
Rxf7 {2.89 v 2.50} 30... Qxf7 31. Qxd4 Bc6 32. Qd8+ Qe8 33. Qxf6 Qe3+) 30... g4
31. Qxd4 h5 32. f4 Rd7 33. Qe3 g3 34. hxg3 Be4 35. Be2 Bxf5 36. Re5 Bg6 37. Bb2
Qf7 38. f5 Bh7 39. Re6 a3 40. Bxf6 1-0 

[Event "Anand - Carlsen World Championship Match"]
[Site "Chennai IND"]
[Date "2013.11.15"]
[Round "5"]
[White "Magnus Carlsen"]
[Black "Viswanathan Anand"]
[Result "1-0"]
[PlyCount "115"]
[ECO "D31"]

1. c4 e6 2. d4 d5 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Nc3 c5 7. a3 Ba5 8. Nf3
Nf6 9. Be3 Nc6 10. Qd3 cxd4 11. Nxd4 Ng4 12. O-O-O Nxe3 13. fxe3 Bc7 14. Nxc6
bxc6 15. Qxd8+ Bxd8 16. Be2 Ke7 17. Bf3 Bd7 18. Ne4 Bb6 19. c5 f5 20. cxb6 fxe4
21. b7 Rab8 22. Bxe4 Rxb7 23. Rhf1 Rb5 24. Rf4 g5 25. Rf3 h5 26. Rdf1 Be8 27.
Bc2 Rc5 28. Rf6 h4 29. e4 a5 30. Kd2 Rb5 31. b3 Bh5 32. Kc3 Rc5+ 33. Kb2 Rd8
34. R1f2 Rd4 35. Rh6 Bd1 36. Bb1 Rb5 37. Kc3 c5 38. Rb2 e5 39. Rg6 a4 40. Rxg5
Rxb3+ 41. Rxb3 Bxb3 42. Rxe5+ Kd6 43. Rh5 Rd1 44. e5+ Kd5 45. Bh7 Rc1+ 46. Kb2
Rg1 47. Bg8+ Kc6 48. Rh6+ Kd7 49. Bxb3 axb3 50. Kxb3 Rxg2 51. Rxh4 Ke6 52. a4
Kxe5 53. a5 Kd6 54. Rh7 Kd5 55. a6 c4+ 56. Kc3 Ra2 57. a7 Kc5 58. h4 1-0 

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Semi-Slav"]
[Black "Triangle System"]
[Result "*"]
[PlyCount "40"]

1. d4 d5 2. c4 (2. Nf3 c6 3. e3 (3. Bf4 Bf5 4. e3 (4. c3 e6) 4... e6 (4... Qb6
5. Qc1 Nf6 6. Nbd2 e6) 5. Bd3 Bxd3 6. Qxd3 Bd6 7. Bg3 Nf6 $11 {Andersson,U -
Chiburdanidze,M, Haninge 1988 Game #16}) 3... Bf5 (3... Bg4 4. c4 e6 5. Nc3 (5.
Qb3 Qc7 (5... Qb6 6. Ne5 Bf5 7. Nc3 Nf6 $11) 6. Ne5 Bf5 $11) 5... Nd7 6. h3 (6.
cxd5 exd5 7. Bd3 Ngf6 8. Qb3 Qc7 (8... Qb6 9. Bd2 Bd6 $11) 9. Bd2 Bd6 10. Rc1
Qb6 11. Qxb6 Nxb6 $11) 6... Bh5 7. g4 Bg6 8. h4 Ngf6 9. Ne5 (9. h5 Be4 10. g5
Bxf3 11. Qxf3 Ne4) 9... dxc4 10. Nxc4 h5 $11) 4. c4 e6 5. Nc3 Nd7 6. Bd3 Bxd3
7. Qxd3 f5 {Æ} 8. cxd5 cxd5 9. O-O Bd6 10. h4 a6 {Razumova,T - Polyakova,N,
ch-RUS women Elista RUS 1997 Game #15 Anti-Colle}) 2... e6 3. Nc3 (3. Nf3 c6 4.
e3 Nf6 (4... Bd6 5. Nc3 f5) 5. Nc3 a6 {has transposed to the Accelerated Meran
= see below.}) 3... c6 4. Nf3 (4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 (6. Nc3 c5 7. Nf3
Nf6 8. Be3 Nc6 9. Be2 (9. dxc5 Qa5) 9... Ng4 10. d5 Nxe3 11. fxe3 Ne7 12. e4
O-O 13. O-O exd5 14. cxd5 Ng6 $11 {Seirawan - Georgiev, Brussels 1992 blitz
Game #14}) 6... Qxd4 7. Bxb4 Qxe4+ 8. Be2 {Marshall Gambit - main line. Æ} (8.
Ne2 Nd7 (8... Ne7 9. Qd2 Nd7 10. f3; 8... Na6 9. Bf8 {Æ} 9... Ne7 10. Bxg7 Rg8
(10... Nb4 $5) 11. Bc3 (11. Bf6 Qxc4 12. Ng3 Qf4 13. Bc3 Nc5 14. Qc2 e5
{Kharlov - Filippov, Kazan: RUS 2001}) 11... Nf5 (11... Qxc4 12. Ng3 Qf4 13.
Bxa6 $16) 12. Qd2 Qxc4 13. Nf4 (13. Rd1 $18) 13... Qe4+ 14. Be2 Nc7 {Sarkov -
Das}) 9. Qd6 (9. Qd2 c5 10. Bc3 Ngf6 11. O-O-O O-O 12. Ng3 Qh4 $1 $15 13. Be2
(13. f3 b6 {Englund,H - Forssen, Forsse 1980, Game #13}) 13... b6) 9... a5 10.
Ba3 (10. Bc3 Ngf6 11. b3 (11. O-O-O $2 Qxc4) 11... c5 12. Rd1 Ra6 13. Qd2 O-O)
10... Qe5 11. Qd2 (11. O-O-O Qxd6 12. Bxd6 $11) 11... c5 $11 12. f4 Qb8 13.
O-O-O (13. Nc3 Ngf6) 13... b6 {Wells,Peter - Dao Thien Hai , HUN-ch 1997, Game
#12}) 8... c5 $11 9. Bxc5 (9. Bc3 Nc6 10. Nf3 (10. Bxg7 Qxg2 11. Bxh8 Qxh1 12.
Kf1 Qxh2 $17 13. Qd3 Bd7 14. Rd1 O-O-O; 10. Qd6 Nge7 11. Qxc5 (11. Bxg7 Nf5)
11... O-O; 10. Qd2 e5 11. Nf3 f6 12. O-O Nge7 13. Bd3 Qg4 $17) 10... f6 11. O-O
Nge7 12. Re1 Qf4 {Leveille - Lesiege, Hamilton CA 1994 Game #11}) 9... Qxg2 10.
Bf3 (10. Qd6 Nd7 11. O-O-O Qc6 12. Qxc6 bxc6 13. Bd6 Ne7 (13... Bb7 14. c5 (14.
Bf3 Nh6 (14... Ne7) 15. Ne2 Nf5; 14. Nf3 Nh6 (14... Ne7 15. Ne5 Nxe5 16. Bxe5
f6 17. Bd6 Kf7 18. Bc5 Rhd8 19. Kc2 $14) 15. Ne5 $1 (15. Bd3 c5 $17) 15... Nf5
16. Nxd7 Kxd7 17. Bb4+ Kc8 18. Bc3 Rg8; 14. Nh3 Nh6 15. Bd3 f6) 14... Ne7 15.
Nf3 Nf5 {Shishkin - Kantorik, Krakow 2001 Game #9}) 14. Bd3 Bb7 15. Ne2 Nc8 $13
(15... c5) 16. Bc7 Ncb6 17. b3 (17. Rhg1 O-O 18. Bd6 Rfd8 19. b3 c5 $11) 17...
O-O $11; 10. Qd2 Qxh1 11. O-O-O Nd7 12. Nf3 Qg2 13. Ba3 (13. Ne5 Ngf6 14. Qd6
Qg5+ 15. f4 Ne4 $1 16. fxg5 Nxd6 17. Bxd6 h6 $19) 13... a5 14. Ne5 Ngf6 15. Bh5
Ra6 $13 {Sulava - Palac, Croatia 1995 Game #10}) 10... Qg5 11. Bd6 (11. Qd6 Nd7
12. Be3 Qa5+ 13. b4 Qe5 $17; 11. Ba3; 11. Qd4 Nd7) 11... Nc6 12. Ne2 Nge7 13.
Rg1 Qf6 14. Nc3 Nd4 $1 {Æ} 15. Bh1 $2 (15. Be4 Ndf5 16. Ba3 $13 Qe5; 15. Bh5
Nef5 16. Rg4 (16. Ne4 $2 Qh4 17. Bg4 Ne3 18. Qxd4 Nc2+ $19) 16... Nxd6 17. Rxd4
Nf5 $17 {Clitan - Posedaru, Belgrade 2008}) 15... Ndf5 16. Ba3 Qe5+ 17. Be4
Qxh2 $19 {Spraggett - Gentes, Canada zt 1992 Game #8}; 4. e3 Nf6 (4... Bd6 $5
5. Bd3 (5. Qc2 f5 6. Bd3) 5... f5 6. Qc2 Nf6 (6... Ne7; 6... a6 7. c5 Bc7) 7.
cxd5 (7. f4 O-O) 7... cxd5 8. Nb5 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 $11 Nc6 (10...
a6); 4... f5 5. Bd3 (5. g4 $5) 5... Nf6 6. Qc2 Bd6 (6... Ne4 7. Nge2 Bd6 8. O-O
O-O 9. f3 Na6) 7. f3 (7. cxd5) 7... O-O $13) 5. Nf3 a6 {Accelerated Meran
Alekhine Variation} 6. Bd3 (6. Qc2 b5 7. b3 Bb4 (7... Nbd7) 8. Bd2 Nbd7 9. Bd3
Bb7 10. O-O Qe7 11. a3 Bd6 {Najdorf - Teschner, Helsinki olm 1952 Game 18})
6... dxc4 7. Bxc4 b5 8. Bb3 (8. Bd3 c5 9. O-O Nbd7 10. Qe2 Bb7 11. Rd1 Qb8 $11)
8... c5 9. O-O Bb7 10. Qe2 Nbd7 11. Rd1 Qb8 $11 12. d5 (12. e4 cxd4 13. Nxd4 b4
{Berberich - Rabiega, Berlin 1996} (13... Bd6)) 12... c4 (12... Nxd5) 13. dxe6
fxe6 14. Bc2 Bd6 15. e4 O-O {Sagalchik,G - Ibragimov,I, Katowice (1) 1990 Game
#17}; 4. cxd5 exd5 {Exchange QGD} 5. Nf3 (5. Bf4 Nf6 6. e3 Bd6 7. Bxd6 Qxd6 8.
Bd3 O-O 9. Qc2 Bg4 $5 $11 {Windsor - Vanush, EU Ch 2010, Game #20 and
Newton,Geoff - Pua,Richard, Edmonton 2005}) 5... Bf5 6. Bf4 (6. Bg5 Be7) 6...
Bd6 $11 7. Bxd6 Qxd6 8. e3 Nf6 9. Bd3 Bxd3 10. Qxd3 O-O 11. O-O Nbd7 12. Rab1
a5 13. a3 Rfe8 {Minaya - Semkov, St John 1988, Game #19.}) 4... dxc4 5. a4 (5.
e3 b5 6. Bd2 (6. a4 Bb4 {transposes}) 6... Bb4 7. a3 Bxc3 8. Bxc3 Nf6 $11 9.
Nd2 O-O 10. Be2 Bb7 11. Bf3 Nbd7 12. O-O Qc7 13. Qc2 a6 $17 {black has an extra
pawn. Tedchik - Darbinian, Marianska Lazna Open 2010, Game #7}; 5. e4 b5 6. a4
(6. Bg5 Qb6 7. Be2 Nd7 (7... Bb7) 8. d5 cxd5 9. exd5 e5 10. O-O Ngf6 (10... f6
11. Be3 Bc5) 11. a4 b4 12. a5 (12. Nb1 Ba6) 12... Qb8 13. Nb1 Bd6 14. h3 O-O
15. Bxc4 Ne4 $11 {Bernev - Baburin, Cork Congress 2010}) 6... Bb4 7. Bd2 Nf6 8.
Qb1 a6 9. Be2 (9. axb5 Bxc3 10. Bxc3 cxb5 11. b3 cxb3 (11... Bb7) 12. Bxb5+ Bd7
13. Bxd7+ Nbxd7 14. Qxb3 Nxe4) 9... Bb7 10. O-O Be7 11. Rd1 Nbd7 {Jobava -
Bacrot, Linares 2001 Game #6}) 5... Bb4 6. e3 (6. Bd2 b5 7. e3 a5 8. axb5 Bxc3
9. Bxc3 cxb5 {transposes back to the main line.}) 6... b5 7. Bd2 (7. Ne5 Nf6 8.
Qf3 Qd5 9. Qg3 O-O $17) 7... a5 (7... Bb7 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 a5)
8. axb5 Bxc3 9. Bxc3 (9. bxc3 cxb5 10. Ne5 Nf6 11. Rb1 (11. Qb1 Bd7 {Stempin -
Weyrich, Copenhagen 1990}) 11... Ba6 {Matveeva - Polgar,Zsuzsa , Moscow ol
(Women) 1994 Game #5}) 9... cxb5 10. b3 (10. Ne5 Nf6 11. Be2 (11. Qf3 Qd5; 11.
b3)) 10... Bb7 11. bxc4 (11. d5 {Æ} 11... Nf6 12. bxc4 b4 13. Bxf6 (13. Qa4+
Nbd7 14. Bxf6 Qxf6) 13... Qxf6 14. Qa4+ Nd7 15. Nd4 e5 16. Nb3 Ke7 17. Qb5 (17.
Be2 Rhc8 18. Bg4 (18. Rd1 Nc5 19. Nxc5 Rxc5 20. O-O Kf8 21. f4 Rd8 $13 (21...
Re8 $5) 22. Qa1 (22. Kh1 Kg8 23. Bd3 h6 $5 (23... e4 {Nikolaidis -
Mastrovasilis, Athens 1998}; 23... Qe7) 24. Qb3 Ba6) 22... Re8 {Gelfand -
Vaisser, Cap d'Agde 1996}) 18... Qd6 19. Nxa5 Rc5 (19... Rxa5 20. Qxa5) 20.
Nxb7 Rxa4 21. Rxa4 Qg6 $1 22. O-O Qxg4 23. Nxc5 Nxc5 24. Rxb4 Qe2 25. h3 g6 $17
{Naumann - Stangl, Germany: Bundesliga 1996}) 17... Ba6 18. Qxa5 Rhb8 19. d6+
Ke8 $13 {Serebrjanik - Maksimenko, Vrnjacka Banja 1991 Game #4 and many other
games. Æ}) 11... b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O {Æ} 15. Qc2 (15. Re1
Ne4 $1 16. Nd2 (16. c5 Bd5 (16... Bc6; 16... Qc7; 16... f5 17. Bb5 Bd5 18. Qc2
Qc7)) 16... Nxd2 17. Qxd2 Qc7 18. c5 (18. e4 e5 19. Re3 exd4 20. Bxd4 Ne5 $17
{Ellers - Stangl, Germany: Bundesliga 1997}) 18... f5 19. f3 (19. e4 fxe4 20.
Bxe4 Bxe4 21. Rxe4 Nf6 22. Rxe6 Ng4 23. Rd6 Rxf2 $13) 19... Nf6 $11 {Sadler -
Krasenkow, Germany: Bundesliga 1998 Game #2}; 15. Nd2 Re8 $5 (15... Qc7 16. f4
a4 17. Rb1 Rfd8) 16. f4 (16. Bc2 Qc7 17. f4 Nb6 {Klimov - Matlakov St
Petersburg 2007}) 16... Nc5 17. Bc2 Nce4 18. Nf3 Qc7 (18... Nd7) 19. Ne5 Nd7
$11 {Pham Minh Hoang - Bui Vinh, VIE-ch 2000 Game #3}) 15... Qc7 (15... h6 $5
16. c5 (16. e4 e5 17. c5 Rc8 $5 (17... Qc7 {transposes to the main line.}); 16.
Nd2; 16. Qd1) 16... Bc6 17. e4 Ra7 18. Nd2 Qa8 {Francois Marchand (2244) -
Natalia Zhukova (2462), Caleta ENG: Gibraltar (3) 2010 Æ}) 16. e4 (16. c5 Bc6
17. e4 h6) 16... e5 17. c5 (17. d5 Rfe8 18. Rfe1 Nc5; 17. Rfe1 Rfe8 18. c5 h6;
17. Nxe5 Nxe5 18. dxe5 Ng4) 17... exd4 18. Bxd4 {Æ} 18... h6 $11 (18... Ng4
{Zuger,Beat - Klinger,J, Bern (1) 1991 Game #1}) 19. e5 (19. Rfc1 Bc6 20. Qb2
Rfe8 21. Nd2 Ne5 (21... Reb8) 22. Bb1 {Monteleone - Ortega, Vitinia 1998})
19... Nd5 20. e6 (20. Bc4) 20... fxe6 $11 {Nordahl - Leer, NOR-ch 1999 and
Zaichko - Karpeshov, RUS-ch 1999}  *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Semi-Slav"]
[Black "Triangle System"]
[Result "*"]
[PlyCount "40"]

1. d4 d5 2. c4 (2. Nf3 c6 3. e3 (3. Bf4 Bf5 4. e3 (4. c3 e6) 4... e6 (4... Qb6
5. Qc1 Nf6 6. Nbd2 e6) 5. Bd3 Bxd3 6. Qxd3 Bd6 7. Bg3 Nf6 $11 {Andersson,U -
Chiburdanidze,M, Haninge 1988 Game #16}) 3... Bf5 (3... Bg4 4. c4 e6 5. Nc3 (5.
Qb3 Qc7 (5... Qb6 6. Ne5 Bf5 7. Nc3 Nf6 $11) 6. Ne5 Bf5 $11) 5... Nd7 6. h3 (6.
cxd5 exd5 7. Bd3 Ngf6 8. Qb3 Qc7 (8... Qb6 9. Bd2 Bd6 $11) 9. Bd2 Bd6 10. Rc1
Qb6 11. Qxb6 Nxb6 $11) 6... Bh5 7. g4 Bg6 8. h4 Ngf6 9. Ne5 (9. h5 Be4 10. g5
Bxf3 11. Qxf3 Ne4) 9... dxc4 10. Nxc4 h5 $11) 4. c4 e6 5. Nc3 Nd7 6. Bd3 Bxd3
7. Qxd3 f5 {Æ} 8. cxd5 cxd5 9. O-O Bd6 10. h4 a6 {Razumova,T - Polyakova,N,
ch-RUS women Elista RUS 1997 Game #15 Anti-Colle}) 2... e6 3. Nc3 (3. Nf3 c6 4.
e3 Nf6 (4... Bd6 5. Nc3 f5) 5. Nc3 a6 {has transposed to the Accelerated Meran
= see below.}) 3... c6 4. Nf3 (4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 (6. Nc3 c5 7. Nf3
Nf6 8. Be3 Nc6 9. Be2 (9. dxc5 Qa5) 9... Ng4 10. d5 Nxe3 11. fxe3 Ne7 12. e4
O-O 13. O-O exd5 14. cxd5 Ng6 $11 {Seirawan - Georgiev, Brussels 1992 blitz
Game #14}) 6... Qxd4 7. Bxb4 Qxe4+ 8. Be2 {Marshall Gambit - main line. Æ} (8.
Ne2 Nd7 (8... Ne7 9. Qd2 Nd7 10. f3; 8... Na6 9. Bf8 {Æ} 9... Ne7 10. Bxg7 Rg8
(10... Nb4 $5) 11. Bc3 (11. Bf6 Qxc4 12. Ng3 Qf4 13. Bc3 Nc5 14. Qc2 e5
{Kharlov - Filippov, Kazan: RUS 2001}) 11... Nf5 (11... Qxc4 12. Ng3 Qf4 13.
Bxa6 $16) 12. Qd2 Qxc4 13. Nf4 (13. Rd1 $18) 13... Qe4+ 14. Be2 Nc7 {Sarkov -
Das}) 9. Qd6 (9. Qd2 c5 10. Bc3 Ngf6 11. O-O-O O-O 12. Ng3 Qh4 $1 $15 13. Be2
(13. f3 b6 {Englund,H - Forssen, Forsse 1980, Game #13}) 13... b6) 9... a5 10.
Ba3 (10. Bc3 Ngf6 11. b3 (11. O-O-O $2 Qxc4) 11... c5 12. Rd1 Ra6 13. Qd2 O-O)
10... Qe5 11. Qd2 (11. O-O-O Qxd6 12. Bxd6 $11) 11... c5 $11 12. f4 Qb8 13.
O-O-O (13. Nc3 Ngf6) 13... b6 {Wells,Peter - Dao Thien Hai , HUN-ch 1997, Game
#12}) 8... c5 $11 9. Bxc5 (9. Bc3 Nc6 10. Nf3 (10. Bxg7 Qxg2 11. Bxh8 Qxh1 12.
Kf1 Qxh2 $17 13. Qd3 Bd7 14. Rd1 O-O-O; 10. Qd6 Nge7 11. Qxc5 (11. Bxg7 Nf5)
11... O-O; 10. Qd2 e5 11. Nf3 f6 12. O-O Nge7 13. Bd3 Qg4 $17) 10... f6 11. O-O
Nge7 12. Re1 Qf4 {Leveille - Lesiege, Hamilton CA 1994 Game #11}) 9... Qxg2 10.
Bf3 (10. Qd6 Nd7 11. O-O-O Qc6 12. Qxc6 bxc6 13. Bd6 Ne7 (13... Bb7 14. c5 (14.
Bf3 Nh6 (14... Ne7) 15. Ne2 Nf5; 14. Nf3 Nh6 (14... Ne7 15. Ne5 Nxe5 16. Bxe5
f6 17. Bd6 Kf7 18. Bc5 Rhd8 19. Kc2 $14) 15. Ne5 $1 (15. Bd3 c5 $17) 15... Nf5
16. Nxd7 Kxd7 17. Bb4+ Kc8 18. Bc3 Rg8; 14. Nh3 Nh6 15. Bd3 f6) 14... Ne7 15.
Nf3 Nf5 {Shishkin - Kantorik, Krakow 2001 Game #9}) 14. Bd3 Bb7 15. Ne2 Nc8 $13
(15... c5) 16. Bc7 Ncb6 17. b3 (17. Rhg1 O-O 18. Bd6 Rfd8 19. b3 c5 $11) 17...
O-O $11; 10. Qd2 Qxh1 11. O-O-O Nd7 12. Nf3 Qg2 13. Ba3 (13. Ne5 Ngf6 14. Qd6
Qg5+ 15. f4 Ne4 $1 16. fxg5 Nxd6 17. Bxd6 h6 $19) 13... a5 14. Ne5 Ngf6 15. Bh5
Ra6 $13 {Sulava - Palac, Croatia 1995 Game #10}) 10... Qg5 11. Bd6 (11. Qd6 Nd7
12. Be3 Qa5+ 13. b4 Qe5 $17; 11. Ba3; 11. Qd4 Nd7) 11... Nc6 12. Ne2 Nge7 13.
Rg1 Qf6 14. Nc3 Nd4 $1 {Æ} 15. Bh1 $2 (15. Be4 Ndf5 16. Ba3 $13 Qe5; 15. Bh5
Nef5 16. Rg4 (16. Ne4 $2 Qh4 17. Bg4 Ne3 18. Qxd4 Nc2+ $19) 16... Nxd6 17. Rxd4
Nf5 $17 {Clitan - Posedaru, Belgrade 2008}) 15... Ndf5 16. Ba3 Qe5+ 17. Be4
Qxh2 $19 {Spraggett - Gentes, Canada zt 1992 Game #8}; 4. e3 Nf6 (4... Bd6 $5
5. Bd3 (5. Qc2 f5 6. Bd3) 5... f5 6. Qc2 Nf6 (6... Ne7; 6... a6 7. c5 Bc7) 7.
cxd5 (7. f4 O-O) 7... cxd5 8. Nb5 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 $11 Nc6 (10...
a6); 4... f5 5. Bd3 (5. g4 $5) 5... Nf6 6. Qc2 Bd6 (6... Ne4 7. Nge2 Bd6 8. O-O
O-O 9. f3 Na6) 7. f3 (7. cxd5) 7... O-O $13) 5. Nf3 a6 {Accelerated Meran
Alekhine Variation} 6. Bd3 (6. Qc2 b5 7. b3 Bb4 (7... Nbd7) 8. Bd2 Nbd7 9. Bd3
Bb7 10. O-O Qe7 11. a3 Bd6 {Najdorf - Teschner, Helsinki olm 1952 Game 18})
6... dxc4 7. Bxc4 b5 8. Bb3 (8. Bd3 c5 9. O-O Nbd7 10. Qe2 Bb7 11. Rd1 Qb8 $11)
8... c5 9. O-O Bb7 10. Qe2 Nbd7 11. Rd1 Qb8 $11 12. d5 (12. e4 cxd4 13. Nxd4 b4
{Berberich - Rabiega, Berlin 1996} (13... Bd6)) 12... c4 (12... Nxd5) 13. dxe6
fxe6 14. Bc2 Bd6 15. e4 O-O {Sagalchik,G - Ibragimov,I, Katowice (1) 1990 Game
#17}; 4. cxd5 exd5 {Exchange QGD} 5. Nf3 (5. Bf4 Nf6 6. e3 Bd6 7. Bxd6 Qxd6 8.
Bd3 O-O 9. Qc2 Bg4 $5 $11 {Windsor - Vanush, EU Ch 2010, Game #20 and
Newton,Geoff - Pua,Richard, Edmonton 2005}) 5... Bf5 6. Bf4 (6. Bg5 Be7) 6...
Bd6 $11 7. Bxd6 Qxd6 8. e3 Nf6 9. Bd3 Bxd3 10. Qxd3 O-O 11. O-O Nbd7 12. Rab1
a5 13. a3 Rfe8 {Minaya - Semkov, St John 1988, Game #19.}) 4... dxc4 5. a4 (5.
e3 b5 6. Bd2 (6. a4 Bb4 {transposes}) 6... Bb4 7. a3 Bxc3 8. Bxc3 Nf6 $11 9.
Nd2 O-O 10. Be2 Bb7 11. Bf3 Nbd7 12. O-O Qc7 13. Qc2 a6 $17 {black has an extra
pawn. Tedchik - Darbinian, Marianska Lazna Open 2010, Game #7}; 5. e4 b5 6. a4
(6. Bg5 Qb6 7. Be2 Nd7 (7... Bb7) 8. d5 cxd5 9. exd5 e5 10. O-O Ngf6 (10... f6
11. Be3 Bc5) 11. a4 b4 12. a5 (12. Nb1 Ba6) 12... Qb8 13. Nb1 Bd6 14. h3 O-O
15. Bxc4 Ne4 $11 {Bernev - Baburin, Cork Congress 2010}) 6... Bb4 7. Bd2 Nf6 8.
Qb1 a6 9. Be2 (9. axb5 Bxc3 10. Bxc3 cxb5 11. b3 cxb3 (11... Bb7) 12. Bxb5+ Bd7
13. Bxd7+ Nbxd7 14. Qxb3 Nxe4) 9... Bb7 10. O-O Be7 11. Rd1 Nbd7 {Jobava -
Bacrot, Linares 2001 Game #6}) 5... Bb4 6. e3 (6. Bd2 b5 7. e3 a5 8. axb5 Bxc3
9. Bxc3 cxb5 {transposes back to the main line.}) 6... b5 7. Bd2 (7. Ne5 Nf6 8.
Qf3 Qd5 9. Qg3 O-O $17) 7... a5 (7... Bb7 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 a5)
8. axb5 Bxc3 9. Bxc3 (9. bxc3 cxb5 10. Ne5 Nf6 11. Rb1 (11. Qb1 Bd7 {Stempin -
Weyrich, Copenhagen 1990}) 11... Ba6 $15 {Matveeva - Polgar,Zsuzsa , Moscow ol
(Women) 1994 Game #5}) 9... cxb5 10. b3 (10. Ne5 Nf6 11. Be2 (11. Qf3 Qd5; 11.
b3)) 10... Bb7 11. bxc4 (11. d5 {Æ} 11... Nf6 12. bxc4 b4 13. Bxf6 (13. Qa4+
Nbd7 14. Bxf6 Qxf6) 13... Qxf6 14. Qa4+ Nd7 15. Nd4 e5 16. Nb3 Ke7 17. Qb5 (17.
Be2 Rhc8 18. Bg4 (18. Rd1 Nc5 19. Nxc5 Rxc5 20. O-O Kf8 21. f4 Rd8 $13 (21...
Re8 $5) 22. Qa1 (22. Kh1 Kg8 23. Bd3 h6 $5 (23... e4 {Nikolaidis -
Mastrovasilis, Athens 1998}; 23... Qe7) 24. Qb3 Ba6) 22... Re8 {Gelfand -
Vaisser, Cap d'Agde 1996}) 18... Qd6 19. Nxa5 Rc5 (19... Rxa5 20. Qxa5) 20.
Nxb7 Rxa4 21. Rxa4 Qg6 $1 22. O-O Qxg4 23. Nxc5 Nxc5 24. Rxb4 Qe2 25. h3 g6 $17
{Naumann - Stangl, Germany: Bundesliga 1996}) 17... Ba6 18. Qxa5 Rhb8 19. d6+
Ke8 $13 {Serebrjanik - Maksimenko, Vrnjacka Banja 1991 Game #4 and many other
games. Æ}) 11... b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O {Æ} 15. Qc2 (15. Re1
Ne4 $1 16. Nd2 (16. c5 Bd5 (16... Bc6; 16... Qc7; 16... f5 17. Bb5 Bd5 18. Qc2
Qc7)) 16... Nxd2 17. Qxd2 Qc7 18. c5 (18. e4 e5 19. Re3 exd4 20. Bxd4 Ne5 $17
{Ellers - Stangl, Germany: Bundesliga 1997}) 18... f5 19. f3 (19. e4 fxe4 20.
Bxe4 Bxe4 21. Rxe4 Nf6 22. Rxe6 Ng4 23. Rd6 Rxf2 $13) 19... Nf6 $11 {Sadler -
Krasenkow, Germany: Bundesliga 1998 Game #2}; 15. Nd2 Re8 $5 (15... Qc7 16. f4
a4 17. Rb1 Rfd8) 16. f4 (16. Bc2 Qc7 17. f4 Nb6 {Klimov - Matlakov St
Petersburg 2007}) 16... Nc5 17. Bc2 Nce4 18. Nf3 Qc7 (18... Nd7) 19. Ne5 Nd7
$11 {Pham Minh Hoang - Bui Vinh, VIE-ch 2000 Game #3}) 15... Qc7 (15... h6 $5
16. c5 (16. e4 e5 17. c5 Rc8 $5 (17... Qc7 {transposes to the main line.}); 16.
Nd2; 16. Qd1) 16... Bc6 17. e4 Ra7 18. Nd2 Qa8 {Francois Marchand (2244) -
Natalia Zhukova (2462), Caleta ENG: Gibraltar (3) 2010 Æ}) 16. e4 (16. c5 Bc6
17. e4 h6) 16... e5 17. c5 (17. d5 Rfe8 18. Rfe1 Nc5; 17. Rfe1 Rfe8 18. c5 h6;
17. Nxe5 Nxe5 18. dxe5 Ng4) 17... exd4 18. Bxd4 {Æ} 18... h6 $11 (18... Ng4
{Zuger,Beat - Klinger,J, Bern (1) 1991 Game #1}) 19. e5 (19. Rfc1 Bc6 20. Qb2
Rfe8 21. Nd2 Ne5 (21... Reb8) 22. Bb1 {Monteleone - Ortega, Vitinia 1998})
19... Nd5 20. e6 (20. Bc4) 20... fxe6 $11 {Nordahl - Leer, NOR-ch 1999 and
Zaichko - Karpeshov, RUS-ch 1999}  *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Triangle"]
[Black "I"]
[Result "*"]
[PlyCount "40"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 (5. e3 b5 6. Bd2 (6. a4 Bb4
{transposes}) 6... Bb4 7. a3 Bxc3 8. Bxc3 Nf6 $11 9. Nd2 O-O 10. Be2 Bb7 11.
Bf3 Nbd7 12. O-O Qc7 13. Qc2 a6 $17 {black has an extra pawn. Tedchik -
Darbinian, Marianska Lazna Open 2010, Game #7}; 5. e4 b5 6. a4 (6. Bg5 Qb6 7.
Be2 Nd7 (7... Bb7) 8. d5 cxd5 9. exd5 e5 10. O-O Ngf6 (10... f6 11. Be3 Bc5)
11. a4 b4 12. a5 (12. Nb1 Ba6) 12... Qb8 13. Nb1 Bd6 14. h3 O-O 15. Bxc4 Ne4
$11 {Bernev - Baburin, Cork Congress 2010}) 6... Bb4 7. Bd2 Nf6 8. Qb1 a6 9.
Be2 (9. axb5 Bxc3 10. Bxc3 cxb5 11. b3 cxb3 (11... Bb7) 12. Bxb5+ Bd7 13. Bxd7+
Nbxd7 14. Qxb3 Nxe4) 9... Bb7 10. O-O Be7 11. Rd1 Nbd7 {Jobava - Bacrot,
Linares 2001 Game #6}) 5... Bb4 6. e3 (6. Bd2 b5 7. e3 a5 8. axb5 Bxc3 9. Bxc3
cxb5 {transposes back to the main line.}) 6... b5 7. Bd2 (7. Ne5 Nf6 8. Qf3 Qd5
9. Qg3 O-O $17) 7... a5 (7... Bb7 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 a5) 8. axb5
Bxc3 9. Bxc3 (9. bxc3 cxb5 10. Ne5 Nf6 11. Rb1 (11. Qb1 Bd7 {Stempin - Weyrich,
Copenhagen 1990}) 11... Ba6 $15 {Matveeva - Polgar,Zsuzsa , Moscow ol (Women)
1994 Game #5}) 9... cxb5 10. b3 (10. Ne5 Nf6 11. Be2 (11. Qf3 Qd5; 11. b3))
10... Bb7 11. bxc4 (11. d5 {Æ} 11... Nf6 12. bxc4 b4 13. Bxf6 (13. Qa4+ Nbd7
14. Bxf6 Qxf6) 13... Qxf6 14. Qa4+ Nd7 15. Nd4 e5 16. Nb3 Ke7 17. Qb5 (17. Be2
Rhc8 18. Bg4 (18. Rd1 Nc5 19. Nxc5 Rxc5 20. O-O Kf8 21. f4 Rd8 $13 (21... Re8
$5) 22. Qa1 (22. Kh1 Kg8 23. Bd3 h6 $5 (23... e4 {Nikolaidis - Mastrovasilis,
Athens 1998}; 23... Qe7) 24. Qb3 Ba6) 22... Re8 {Gelfand - Vaisser, Cap d'Agde
1996}) 18... Qd6 19. Nxa5 Rc5 (19... Rxa5 20. Qxa5) 20. Nxb7 Rxa4 21. Rxa4 Qg6
$1 22. O-O Qxg4 23. Nxc5 Nxc5 24. Rxb4 Qe2 25. h3 g6 $17 {Naumann - Stangl,
Germany: Bundesliga 1996}) 17... Ba6 18. Qxa5 Rhb8 19. d6+ Ke8 $13 {Serebrjanik
- Maksimenko, Vrnjacka Banja 1991 Game #4 and many other games. Æ}) 11... b4
12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O {Æ} 15. Qc2 (15. Re1 Ne4 $1 16. Nd2 (16.
c5 Bd5 (16... Bc6; 16... Qc7; 16... f5 17. Bb5 Bd5 18. Qc2 Qc7)) 16... Nxd2 17.
Qxd2 Qc7 18. c5 (18. e4 e5 19. Re3 exd4 20. Bxd4 Ne5 $17 {Ellers - Stangl,
Germany: Bundesliga 1997}) 18... f5 19. f3 (19. e4 fxe4 20. Bxe4 Bxe4 21. Rxe4
Nf6 22. Rxe6 Ng4 23. Rd6 Rxf2 $13) 19... Nf6 $11 {Sadler - Krasenkow, Germany:
Bundesliga 1998 Game #2}; 15. Nd2 Re8 $5 (15... Qc7 16. f4 a4 17. Rb1 Rfd8) 16.
f4 (16. Bc2 Qc7 17. f4 Nb6 {Klimov - Matlakov St Petersburg 2007}) 16... Nc5
17. Bc2 Nce4 18. Nf3 Qc7 (18... Nd7) 19. Ne5 Nd7 $11 {Pham Minh Hoang - Bui
Vinh, VIE-ch 2000 Game #3}) 15... Qc7 (15... h6 $5 16. c5 (16. e4 e5 17. c5 Rc8
$5 (17... Qc7 {transposes to the main line.}); 16. Nd2; 16. Qd1) 16... Bc6 17.
e4 Ra7 18. Nd2 Qa8 {Francois Marchand (2244) - Natalia Zhukova (2462), Caleta
ENG: Gibraltar (3) 2010 Æ}) 16. e4 (16. c5 Bc6 17. e4 h6) 16... e5 17. c5 (17.
d5 Rfe8 18. Rfe1 Nc5; 17. Rfe1 Rfe8 18. c5 h6; 17. Nxe5 Nxe5 18. dxe5 Ng4)
17... exd4 18. Bxd4 {Æ} 18... h6 $11 (18... Ng4 {Zuger,Beat - Klinger,J, Bern
(1) 1991 Game #1}) 19. e5 (19. Rfc1 Bc6 20. Qb2 Rfe8 21. Nd2 Ne5 (21... Reb8)
22. Bb1 {Monteleone - Ortega, Vitinia 1998}) 19... Nd5 20. e6 (20. Bc4) 20...
fxe6 $11 {Nordahl - Leer, NOR-ch 1999 and Zaichko - Karpeshov, RUS-ch 1999}  *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Triangle System"]
[Black "II"]
[Result "*"]
[PlyCount "34"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 (6. Nc3 c5 7. Nf3
Nf6 8. Be3 Nc6 9. Be2 (9. dxc5 Qa5) 9... Ng4 10. d5 Nxe3 11. fxe3 Ne7 12. e4
O-O 13. O-O exd5 14. cxd5 Ng6 $11 {Seirawan - Georgiev, Brussels 1992 blitz
Game #14}) 6... Qxd4 7. Bxb4 Qxe4+ 8. Be2 {Marshall Gambit - main line.} (8.
Ne2 Nd7 (8... Ne7 9. Qd2 Nd7 10. f3; 8... Na6 9. Bf8 {Æ} 9... Ne7 10. Bxg7 Rg8
(10... Nb4 $5) 11. Bc3 (11. Bf6 Qxc4 12. Ng3 Qf4 13. Bc3 Nc5 14. Qc2 e5
{Kharlov - Filippov, Kazan: RUS 2001}) 11... Nf5 (11... Qxc4 12. Ng3 Qf4 13.
Bxa6 $16) 12. Qd2 Qxc4 13. Nf4 (13. Rd1 $18) 13... Qe4+ 14. Be2 Nc7 {Sarkov -
Das}) 9. Qd6 (9. Qd2 c5 10. Bc3 Ngf6 11. O-O-O O-O 12. Ng3 Qh4 $1 $15 13. Be2
(13. f3 b6 {Englund,H - Forssen, Forsse 1980, Game #13}) 13... b6) 9... a5 10.
Ba3 (10. Bc3 Ngf6 11. b3 (11. O-O-O $2 Qxc4) 11... c5 12. Rd1 Ra6 13. Qd2 O-O)
10... Qe5 11. Qd2 (11. O-O-O Qxd6 12. Bxd6 $11) 11... c5 $11 12. f4 Qb8 13.
O-O-O (13. Nc3 Ngf6) 13... b6 {Wells,Peter - Dao Thien Hai , HUN-ch 1997, Game
#12}) 8... c5 $11 9. Bxc5 (9. Bc3 Nc6 10. Nf3 (10. Bxg7 Qxg2 11. Bxh8 Qxh1 12.
Kf1 Qxh2 $17 13. Qd3 Bd7 14. Rd1 O-O-O; 10. Qd6 Nge7 11. Qxc5 (11. Bxg7 Nf5)
11... O-O; 10. Qd2 e5 11. Nf3 f6 12. O-O Nge7 13. Bd3 Qg4 $17) 10... f6 11. O-O
Nge7 12. Re1 Qf4 {Leveille - Lesiege, Hamilton CA 1994 Game #11}) 9... Qxg2 10.
Bf3 (10. Qd6 Nd7 11. O-O-O Qc6 12. Qxc6 bxc6 13. Bd6 Ne7 (13... Bb7 14. c5 (14.
Bf3 Nh6 (14... Ne7) 15. Ne2 Nf5; 14. Nf3 Nh6 (14... Ne7 15. Ne5 Nxe5 16. Bxe5
f6 17. Bd6 Kf7 18. Bc5 Rhd8 19. Kc2 $14) 15. Ne5 $1 (15. Bd3 c5 $17) 15... Nf5
16. Nxd7 Kxd7 17. Bb4+ Kc8 18. Bc3 Rg8; 14. Nh3 Nh6 15. Bd3 f6) 14... Ne7 15.
Nf3 Nf5 {Shishkin - Kantorik, Krakow 2001 Game #9}) 14. Bd3 Bb7 15. Ne2 Nc8 $13
(15... c5) 16. Bc7 Ncb6 17. b3 (17. Rhg1 O-O 18. Bd6 Rfd8 19. b3 c5 $11) 17...
O-O $11; 10. Qd2 Qxh1 11. O-O-O Nd7 12. Nf3 Qg2 13. Ba3 (13. Ne5 Ngf6 14. Qd6
Qg5+ 15. f4 Ne4 $1 16. fxg5 Nxd6 17. Bxd6 h6 $19) 13... a5 14. Ne5 Ngf6 15. Bh5
Ra6 $13 {Sulava - Palac, Croatia 1995 Game #10}) 10... Qg5 11. Bd6 (11. Qd6 Nd7
12. Be3 Qa5+ 13. b4 Qe5 $17; 11. Ba3; 11. Qd4 Nd7) 11... Nc6 12. Ne2 Nge7 13.
Rg1 Qf6 14. Nc3 Nd4 $1 15. Bh1 $2 (15. Be4 Ndf5 16. Ba3 $13 Qe5; 15. Bh5 Nef5
16. Rg4 (16. Ne4 $2 Qh4 17. Bg4 Ne3 18. Qxd4 Nc2+ $19) 16... Nxd6 17. Rxd4 Nf5
$17 {Clitan - Posedaru, Belgrade 2008}) 15... Ndf5 16. Ba3 Qe5+ 17. Be4 Qxh2
$19 {Spraggett - Gentes, Canada zt 1992 Game #8}  *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Triangle System"]
[Black "III"]
[Result "*"]
[PlyCount "30"]

1. d4 d5 2. c4 (2. Nf3 c6 3. e3 (3. Bf4 Bf5 4. e3 (4. c3 e6) 4... e6 (4... Qb6
5. Qc1 Nf6 6. Nbd2 e6) 5. Bd3 Bxd3 6. Qxd3 Bd6 7. Bg3 Nf6 $11 {Andersson,U -
Chiburdanidze,M, Haninge 1988 Game #16}) 3... Bf5 (3... Bg4 4. c4 e6 5. Nc3 (5.
Qb3 Qc7 (5... Qb6 6. Ne5 Bf5 7. Nc3 Nf6 $11) 6. Ne5 Bf5 $11) 5... Nd7 6. h3 (6.
cxd5 exd5 7. Bd3 Ngf6 8. Qb3 Qc7 (8... Qb6 9. Bd2 Bd6 $11) 9. Bd2 Bd6 10. Rc1
Qb6 11. Qxb6 Nxb6 $11) 6... Bh5 7. g4 Bg6 8. h4 Ngf6 9. Ne5 (9. h5 Be4 10. g5
Bxf3 11. Qxf3 Ne4) 9... dxc4 10. Nxc4 h5 $11) 4. c4 e6 5. Nc3 Nd7 6. Bd3 Bxd3
7. Qxd3 f5 {Æ} 8. cxd5 cxd5 9. O-O Bd6 10. h4 a6 {Razumova,T - Polyakova,N,
ch-RUS women Elista RUS 1997 Game #15 Anti-Colle}) 2... e6 3. Nc3 (3. Nf3 c6 4.
e3 Nf6 (4... Bd6 5. Nc3 f5) 5. Nc3 a6 {has transposed to the Accelerated Meran
= see below.}) 3... c6 4. e3 (4. Nf3 dxc4 5. a4 (5. e3 b5 6. Bd2 (6. a4 Bb4
{transposes}) 6... Bb4 7. a3 Bxc3 8. Bxc3 Nf6 $11 9. Nd2 O-O 10. Be2 Bb7 11.
Bf3 Nbd7 12. O-O Qc7 13. Qc2 a6 $17 {black has an extra pawn. Tedchik -
Darbinian, Marianska Lazna Open 2010, Game #7}; 5. e4 b5 6. a4 (6. Bg5 Qb6 7.
Be2 Nd7 (7... Bb7) 8. d5 cxd5 9. exd5 e5 10. O-O Ngf6 (10... f6 11. Be3 Bc5)
11. a4 b4 12. a5 (12. Nb1 Ba6) 12... Qb8 13. Nb1 Bd6 14. h3 O-O 15. Bxc4 Ne4
$11 {Bernev - Baburin, Cork Congress 2010}) 6... Bb4 7. Bd2 Nf6 8. Qb1 a6 9.
Be2 (9. axb5 Bxc3 10. Bxc3 cxb5 11. b3 cxb3 (11... Bb7) 12. Bxb5+ Bd7 13. Bxd7+
Nbxd7 14. Qxb3 Nxe4) 9... Bb7 10. O-O Be7 11. Rd1 Nbd7 {Jobava - Bacrot,
Linares 2001 Game #6}) 5... Bb4 6. e3 (6. Bd2 b5 7. e3 a5 8. axb5 Bxc3 9. Bxc3
cxb5 {transposes back to the main line.}) 6... b5 7. Bd2 (7. Ne5 Nf6 8. Qf3 Qd5
9. Qg3 O-O $17) 7... a5 (7... Bb7 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 a5) 8. axb5
Bxc3 9. Bxc3 (9. bxc3 cxb5 10. Ne5 Nf6 11. Rb1 (11. Qb1 Bd7 {Stempin - Weyrich,
Copenhagen 1990}) 11... Ba6 $15 {Matveeva - Polgar,Zsuzsa , Moscow ol (Women)
1994 Game #5}) 9... cxb5 10. b3 (10. Ne5 Nf6 11. Be2 (11. Qf3 Qd5; 11. b3))
10... Bb7 11. bxc4 (11. d5 {Æ} 11... Nf6 12. bxc4 b4 13. Bxf6 (13. Qa4+ Nbd7
14. Bxf6 Qxf6) 13... Qxf6 14. Qa4+ Nd7 15. Nd4 e5 16. Nb3 Ke7 17. Qb5 (17. Be2
Rhc8 18. Bg4 (18. Rd1 Nc5 19. Nxc5 Rxc5 20. O-O Kf8 21. f4 Rd8 $13 (21... Re8
$5) 22. Qa1 (22. Kh1 Kg8 23. Bd3 h6 $5 (23... e4 {Nikolaidis - Mastrovasilis,
Athens 1998}; 23... Qe7) 24. Qb3 Ba6) 22... Re8 {Gelfand - Vaisser, Cap d'Agde
1996}) 18... Qd6 19. Nxa5 Rc5 (19... Rxa5 20. Qxa5) 20. Nxb7 Rxa4 21. Rxa4 Qg6
$1 22. O-O Qxg4 23. Nxc5 Nxc5 24. Rxb4 Qe2 25. h3 g6 $17 {Naumann - Stangl,
Germany: Bundesliga 1996}) 17... Ba6 18. Qxa5 Rhb8 19. d6+ Ke8 $13 {Serebrjanik
- Maksimenko, Vrnjacka Banja 1991 Game #4 and many other games. Æ}) 11... b4
12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O {Æ} 15. Qc2 (15. Re1 Ne4 $1 16. Nd2 (16.
c5 Bd5 (16... Bc6; 16... Qc7; 16... f5 17. Bb5 Bd5 18. Qc2 Qc7)) 16... Nxd2 17.
Qxd2 Qc7 18. c5 (18. e4 e5 19. Re3 exd4 20. Bxd4 Ne5 $17 {Ellers - Stangl,
Germany: Bundesliga 1997}) 18... f5 19. f3 (19. e4 fxe4 20. Bxe4 Bxe4 21. Rxe4
Nf6 22. Rxe6 Ng4 23. Rd6 Rxf2 $13) 19... Nf6 $11 {Sadler - Krasenkow, Germany:
Bundesliga 1998 Game #2}; 15. Nd2 Re8 $5 (15... Qc7 16. f4 a4 17. Rb1 Rfd8) 16.
f4 (16. Bc2 Qc7 17. f4 Nb6 {Klimov - Matlakov St Petersburg 2007}) 16... Nc5
17. Bc2 Nce4 18. Nf3 Qc7 (18... Nd7) 19. Ne5 Nd7 $11 {Pham Minh Hoang - Bui
Vinh, VIE-ch 2000 Game #3}) 15... Qc7 (15... h6 $5 16. c5 (16. e4 e5 17. c5 Rc8
$5 (17... Qc7 {transposes to the main line.}); 16. Nd2; 16. Qd1) 16... Bc6 17.
e4 Ra7 18. Nd2 Qa8 {Francois Marchand (2244) - Natalia Zhukova (2462), Caleta
ENG: Gibraltar (3) 2010 Æ}) 16. e4 (16. c5 Bc6 17. e4 h6) 16... e5 17. c5 (17.
d5 Rfe8 18. Rfe1 Nc5; 17. Rfe1 Rfe8 18. c5 h6; 17. Nxe5 Nxe5 18. dxe5 Ng4)
17... exd4 18. Bxd4 {Æ} 18... h6 $11 (18... Ng4 {Zuger,Beat - Klinger,J, Bern
(1) 1991 Game #1}) 19. e5 (19. Rfc1 Bc6 20. Qb2 Rfe8 21. Nd2 Ne5 (21... Reb8)
22. Bb1 {Monteleone - Ortega, Vitinia 1998}) 19... Nd5 20. e6 (20. Bc4) 20...
fxe6 $11 {Nordahl - Leer, NOR-ch 1999 and Zaichko - Karpeshov, RUS-ch 1999}; 4.
e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 (6. Nc3 c5 7. Nf3 Nf6 8. Be3 Nc6 9. Be2 (9. dxc5
Qa5) 9... Ng4 10. d5 Nxe3 11. fxe3 Ne7 12. e4 O-O 13. O-O exd5 14. cxd5 Ng6 $11
{Seirawan - Georgiev, Brussels 1992 blitz Game #14}) 6... Qxd4 7. Bxb4 Qxe4+ 8.
Be2 {Marshall Gambit - main line. Æ} (8. Ne2 Nd7 (8... Ne7 9. Qd2 Nd7 10. f3;
8... Na6 9. Bf8 {Æ} 9... Ne7 10. Bxg7 Rg8 (10... Nb4 $5) 11. Bc3 (11. Bf6 Qxc4
12. Ng3 Qf4 13. Bc3 Nc5 14. Qc2 e5 {Kharlov - Filippov, Kazan: RUS 2001}) 11...
Nf5 (11... Qxc4 12. Ng3 Qf4 13. Bxa6 $16) 12. Qd2 Qxc4 13. Nf4 (13. Rd1 $18)
13... Qe4+ 14. Be2 Nc7 {Sarkov - Das}) 9. Qd6 (9. Qd2 c5 10. Bc3 Ngf6 11. O-O-O
O-O 12. Ng3 Qh4 $1 $15 13. Be2 (13. f3 b6 {Englund,H - Forssen, Forsse 1980,
Game #13}) 13... b6) 9... a5 10. Ba3 (10. Bc3 Ngf6 11. b3 (11. O-O-O $2 Qxc4)
11... c5 12. Rd1 Ra6 13. Qd2 O-O) 10... Qe5 11. Qd2 (11. O-O-O Qxd6 12. Bxd6
$11) 11... c5 $11 12. f4 Qb8 13. O-O-O (13. Nc3 Ngf6) 13... b6 {Wells,Peter -
Dao Thien Hai , HUN-ch 1997, Game #12}) 8... c5 $11 9. Bxc5 (9. Bc3 Nc6 10. Nf3
(10. Bxg7 Qxg2 11. Bxh8 Qxh1 12. Kf1 Qxh2 $17 13. Qd3 Bd7 14. Rd1 O-O-O; 10.
Qd6 Nge7 11. Qxc5 (11. Bxg7 Nf5) 11... O-O; 10. Qd2 e5 11. Nf3 f6 12. O-O Nge7
13. Bd3 Qg4 $17) 10... f6 11. O-O Nge7 12. Re1 Qf4 {Leveille - Lesiege,
Hamilton CA 1994 Game #11}) 9... Qxg2 10. Bf3 (10. Qd6 Nd7 11. O-O-O Qc6 12.
Qxc6 bxc6 13. Bd6 Ne7 (13... Bb7 14. c5 (14. Bf3 Nh6 (14... Ne7) 15. Ne2 Nf5;
14. Nf3 Nh6 (14... Ne7 15. Ne5 Nxe5 16. Bxe5 f6 17. Bd6 Kf7 18. Bc5 Rhd8 19.
Kc2 $14) 15. Ne5 $1 (15. Bd3 c5 $17) 15... Nf5 16. Nxd7 Kxd7 17. Bb4+ Kc8 18.
Bc3 Rg8; 14. Nh3 Nh6 15. Bd3 f6) 14... Ne7 15. Nf3 Nf5 {Shishkin - Kantorik,
Krakow 2001 Game #9}) 14. Bd3 Bb7 15. Ne2 Nc8 $13 (15... c5) 16. Bc7 Ncb6 17.
b3 (17. Rhg1 O-O 18. Bd6 Rfd8 19. b3 c5 $11) 17... O-O $11; 10. Qd2 Qxh1 11.
O-O-O Nd7 12. Nf3 Qg2 13. Ba3 (13. Ne5 Ngf6 14. Qd6 Qg5+ 15. f4 Ne4 $1 16. fxg5
Nxd6 17. Bxd6 h6 $19) 13... a5 14. Ne5 Ngf6 15. Bh5 Ra6 $13 {Sulava - Palac,
Croatia 1995 Game #10}) 10... Qg5 11. Bd6 (11. Qd6 Nd7 12. Be3 Qa5+ 13. b4 Qe5
$17; 11. Ba3; 11. Qd4 Nd7) 11... Nc6 12. Ne2 Nge7 13. Rg1 Qf6 14. Nc3 Nd4 $1
{Æ} 15. Bh1 $2 (15. Be4 Ndf5 16. Ba3 $13 Qe5; 15. Bh5 Nef5 16. Rg4 (16. Ne4 $2
Qh4 17. Bg4 Ne3 18. Qxd4 Nc2+ $19) 16... Nxd6 17. Rxd4 Nf5 $17 {Clitan -
Posedaru, Belgrade 2008}) 15... Ndf5 16. Ba3 Qe5+ 17. Be4 Qxh2 $19 {Spraggett -
Gentes, Canada zt 1992 Game #8}; 4. cxd5 exd5 {Exchange QGD} 5. Nf3 (5. Bf4 Nf6
6. e3 Bd6 7. Bxd6 Qxd6 8. Bd3 O-O 9. Qc2 Bg4 $5 $11 {Windsor - Vanush, EU Ch
2010, Game #20 and Newton,Geoff - Pua,Richard, Edmonton 2005}) 5... Bf5 6. Bf4
(6. Bg5 Be7) 6... Bd6 $11 7. Bxd6 Qxd6 8. e3 Nf6 9. Bd3 Bxd3 10. Qxd3 O-O 11.
O-O Nbd7 12. Rab1 a5 13. a3 Rfe8 {Minaya - Semkov, St John 1988, Game #19.})
4... Nf6 (4... Bd6 $5 5. Bd3 (5. Qc2 f5 6. Bd3) 5... f5 6. Qc2 Nf6 (6... Ne7;
6... a6 7. c5 Bc7) 7. cxd5 (7. f4 O-O) 7... cxd5 8. Nb5 Bb4+ 9. Bd2 Bxd2+ 10.
Qxd2 $11 Nc6 (10... a6); 4... f5 5. Bd3 (5. g4 $5) 5... Nf6 6. Qc2 Bd6 (6...
Ne4 7. Nge2 Bd6 8. O-O O-O 9. f3 Na6) 7. f3 (7. cxd5) 7... O-O $13) 5. Nf3 a6
{Accelerated Meran Alekhine Variation} 6. Bd3 (6. Qc2 b5 7. b3 Bb4 (7... Nbd7)
8. Bd2 Nbd7 9. Bd3 Bb7 10. O-O Qe7 11. a3 Bd6 {Najdorf - Teschner, Helsinki olm
1952 Game 18}) 6... dxc4 7. Bxc4 b5 8. Bb3 (8. Bd3 c5 9. O-O Nbd7 10. Qe2 Bb7
11. Rd1 Qb8 $11) 8... c5 9. O-O Bb7 10. Qe2 Nbd7 11. Rd1 Qb8 $11 12. d5 (12. e4
cxd4 13. Nxd4 b4 {Berberich - Rabiega, Berlin 1996} (13... Bd6)) 12... c4
(12... Nxd5) 13. dxe6 fxe6 14. Bc2 Bd6 15. e4 O-O {Sagalchik,G - Ibragimov,I,
Katowice (1) 1990 Game #17}  *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Triangle System"]
[Black "III"]
[Result "*"]
[PlyCount "30"]

1. d4 d5 2. c4 (2. Nf3 c6 3. e3 (3. Bf4 Bf5 4. e3 (4. c3 e6) 4... e6 (4... Qb6
5. Qc1 Nf6 6. Nbd2 e6) 5. Bd3 Bxd3 6. Qxd3 Bd6 7. Bg3 Nf6 $11 {Andersson,U -
Chiburdanidze,M, Haninge 1988 Game #16}) 3... Bf5 (3... Bg4 4. c4 e6 5. Nc3 (5.
Qb3 Qc7 (5... Qb6 6. Ne5 Bf5 7. Nc3 Nf6 $11) 6. Ne5 Bf5 $11) 5... Nd7 6. h3 (6.
cxd5 exd5 7. Bd3 Ngf6 8. Qb3 Qc7 (8... Qb6 9. Bd2 Bd6 $11) 9. Bd2 Bd6 10. Rc1
Qb6 11. Qxb6 Nxb6 $11) 6... Bh5 7. g4 Bg6 8. h4 Ngf6 9. Ne5 (9. h5 Be4 10. g5
Bxf3 11. Qxf3 Ne4) 9... dxc4 10. Nxc4 h5 $11) 4. c4 e6 5. Nc3 Nd7 6. Bd3 Bxd3
7. Qxd3 f5 {Æ} 8. cxd5 cxd5 9. O-O Bd6 10. h4 a6 {Razumova,T - Polyakova,N,
ch-RUS women Elista RUS 1997 Game #15 Anti-Colle}) 2... e6 3. Nc3 (3. Nf3 c6 4.
e3 Nf6 (4... Bd6 5. Nc3 f5) 5. Nc3 a6 {has transposed to the Accelerated Meran
= see below.}) 3... c6 4. e3 (4. cxd5 exd5 {Exchange QGD} 5. Nf3 (5. Bf4 Nf6 6.
e3 Bd6 7. Bxd6 Qxd6 8. Bd3 O-O 9. Qc2 Bg4 $5 $11 {Windsor - Vanush, EU Ch 2010,
Game #20 and Newton,Geoff - Pua,Richard, Edmonton 2005}) 5... Bf5 6. Bf4 (6.
Bg5 Be7) 6... Bd6 $11 7. Bxd6 Qxd6 8. e3 Nf6 9. Bd3 Bxd3 10. Qxd3 O-O 11. O-O
Nbd7 12. Rab1 a5 13. a3 Rfe8 {Minaya - Semkov, St John 1988, Game #19.}) 4...
Nf6 (4... Bd6 $5 5. Bd3 (5. Qc2 f5 6. Bd3) 5... f5 6. Qc2 Nf6 (6... Ne7; 6...
a6 7. c5 Bc7) 7. cxd5 (7. f4 O-O) 7... cxd5 8. Nb5 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2
$11 Nc6 (10... a6); 4... f5 5. Bd3 (5. g4 $5) 5... Nf6 6. Qc2 Bd6 (6... Ne4 7.
Nge2 Bd6 8. O-O O-O 9. f3 Na6) 7. f3 (7. cxd5) 7... O-O $13) 5. Nf3 a6
{Accelerated Meran Alekhine Variation} 6. Bd3 (6. Qc2 b5 7. b3 Bb4 (7... Nbd7)
8. Bd2 Nbd7 9. Bd3 Bb7 10. O-O Qe7 11. a3 Bd6 {Najdorf - Teschner, Helsinki olm
1952 Game 18}) 6... dxc4 7. Bxc4 b5 8. Bb3 (8. Bd3 c5 9. O-O Nbd7 10. Qe2 Bb7
11. Rd1 Qb8 $11) 8... c5 9. O-O Bb7 10. Qe2 Nbd7 11. Rd1 Qb8 $11 12. d5 (12. e4
cxd4 13. Nxd4 b4 {Berberich - Rabiega, Berlin 1996} (13... Bd6)) 12... c4
(12... Nxd5) 13. dxe6 fxe6 14. Bc2 Bd6 15. e4 O-O {Sagalchik,G - Ibragimov,I,
Katowice (1) 1990 Game #17}  *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Triangle"]
[Black "I"]
[Result "*"]
[PlyCount "40"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 (5. e3 b5 6. Bd2 (6. a4 Bb4
{transposes}) 6... Bb4 7. a3 Bxc3 8. Bxc3 Nf6 $11 9. Nd2 O-O 10. Be2 Bb7 11.
Bf3 Nbd7 12. O-O Qc7 13. Qc2 a6 $17 {black has an extra pawn. Tedchik -
Darbinian, Marianska Lazna Open 2010, Game #7}; 5. e4 b5 6. a4 (6. Bg5 Qb6 7.
Be2 Nd7 (7... Bb7) 8. d5 cxd5 9. exd5 e5 10. O-O Ngf6 (10... f6 11. Be3 Bc5)
11. a4 b4 12. a5 (12. Nb1 Ba6) 12... Qb8 13. Nb1 Bd6 14. h3 O-O 15. Bxc4 Ne4
$11 {Bernev - Baburin, Cork Congress 2010}) 6... Bb4 7. Bd2 Nf6 8. Qb1 a6 9.
Be2 (9. axb5 Bxc3 10. Bxc3 cxb5 11. b3 cxb3 (11... Bb7) 12. Bxb5+ Bd7 13. Bxd7+
Nbxd7 14. Qxb3 Nxe4) 9... Bb7 10. O-O Be7 11. Rd1 Nbd7 {Jobava - Bacrot,
Linares 2001 Game #6}) 5... Bb4 6. e3 (6. Bd2 b5 7. e3 a5 8. axb5 Bxc3 9. Bxc3
cxb5 {transposes back to the main line.}) 6... b5 7. Bd2 (7. Ne5 Nf6 8. Qf3 Qd5
9. Qg3 O-O $17) 7... a5 (7... Bb7 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 a5) 8. axb5
Bxc3 9. Bxc3 (9. bxc3 cxb5 10. Ne5 Nf6 11. Rb1 (11. Qb1 Bd7 {Stempin - Weyrich,
Copenhagen 1990}) 11... Ba6 $15 {Matveeva - Polgar,Zsuzsa , Moscow ol (Women)
1994 Game #5}) 9... cxb5 10. b3 (10. Ne5 Nf6 11. Be2 (11. Qf3 Qd5; 11. b3))
10... Bb7 11. bxc4 (11. d5 Nf6 12. bxc4 b4 13. Bxf6 (13. Qa4+ Nbd7 14. Bxf6
Qxf6) 13... Qxf6 14. Qa4+ Nd7 15. Nd4 e5 16. Nb3 Ke7 17. Qb5 (17. Be2 Rhc8 18.
Bg4 (18. Rd1 Nc5 19. Nxc5 Rxc5 20. O-O Kf8 21. f4 Rd8 $13 (21... Re8 $5) 22.
Qa1 (22. Kh1 Kg8 23. Bd3 h6 $5 (23... e4 {Nikolaidis - Mastrovasilis, Athens
1998}; 23... Qe7) 24. Qb3 Ba6) 22... Re8 {Gelfand - Vaisser, Cap d'Agde 1996})
18... Qd6 19. Nxa5 Rc5 (19... Rxa5 20. Qxa5) 20. Nxb7 Rxa4 21. Rxa4 Qg6 $1 22.
O-O Qxg4 23. Nxc5 Nxc5 24. Rxb4 Qe2 25. h3 g6 $17 {Naumann - Stangl, Germany:
Bundesliga 1996}) 17... Ba6 18. Qxa5 Rhb8 19. d6+ Ke8 $13 {Serebrjanik -
Maksimenko, Vrnjacka Banja 1991 Game #4 and many other games.}) 11... b4 12.
Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O 15. Qc2 (15. Re1 Ne4 $1 16. Nd2 (16. c5 Bd5
(16... Bc6; 16... Qc7; 16... f5 17. Bb5 Bd5 18. Qc2 Qc7)) 16... Nxd2 17. Qxd2
Qc7 18. c5 (18. e4 e5 19. Re3 exd4 20. Bxd4 Ne5 $17 {Ellers - Stangl, Germany:
Bundesliga 1997}) 18... f5 19. f3 (19. e4 fxe4 20. Bxe4 Bxe4 21. Rxe4 Nf6 22.
Rxe6 Ng4 23. Rd6 Rxf2 $13) 19... Nf6 $11 {Sadler - Krasenkow, Germany:
Bundesliga 1998 Game #2}; 15. Nd2 Re8 $5 (15... Qc7 16. f4 a4 17. Rb1 Rfd8) 16.
f4 (16. Bc2 Qc7 17. f4 Nb6 {Klimov - Matlakov St Petersburg 2007}) 16... Nc5
17. Bc2 Nce4 18. Nf3 Qc7 (18... Nd7) 19. Ne5 Nd7 $11 {Pham Minh Hoang - Bui
Vinh, VIE-ch 2000 Game #3}) 15... Qc7 (15... h6 $5 16. c5 (16. e4 e5 17. c5 Rc8
$5 (17... Qc7 {transposes to the main line.}); 16. Nd2; 16. Qd1) 16... Bc6 17.
e4 Ra7 18. Nd2 Qa8 {Francois Marchand (2244) - Natalia Zhukova (2462), Caleta
ENG: Gibraltar (3) 2010}) 16. e4 (16. c5 Bc6 17. e4 h6) 16... e5 17. c5 (17. d5
Rfe8 18. Rfe1 Nc5; 17. Rfe1 Rfe8 18. c5 h6; 17. Nxe5 Nxe5 18. dxe5 Ng4) 17...
exd4 18. Bxd4 h6 $11 (18... Ng4 {Zuger,Beat - Klinger,J, Bern (1) 1991 Game
#1}) 19. e5 (19. Rfc1 Bc6 20. Qb2 Rfe8 21. Nd2 Ne5 (21... Reb8) 22. Bb1
{Monteleone - Ortega, Vitinia 1998}) 19... Nd5 20. e6 (20. Bc4) 20... fxe6 $11
{Nordahl - Leer, NOR-ch 1999 and Zaichko - Karpeshov, RUS-ch 1999}  *

[Event "Bundesliga"]
[Site "Germany"]
[Date "1998.11.21"]
[Round "3"]
[White "Sadler, Matthew"]
[Black "Krasenkow, Michal"]
[Result "0-1"]
[PlyCount "78"]
[WhiteElo "2650"]
[BlackElo "2660"]
[ECO "D31"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O
15. Re1 Ne4 16. Nd2 Nxd2 17. Qxd2 Qc7 18. c5 f5 19. f3 Nf6 20. Bc4 Bd5 21. Bxd5
Nxd5 22. e4 fxe4 23. fxe4 Nf6 24. h3 Qc6 25. Qd3 a4 26. d5 exd5 27. Bxf6 Qxf6
28. Qxd5+ Qf7 29. c6 b3 30. c7 Rfc8 31. Rac1 b2 32. Qxa8 Rxa8 33. c8=Q+ Rxc8
34. Rxc8+ Qf8 35. Rxf8+ Kxf8 36. Rb1 a3 37. Kf2 Ke7 38. Ke3 a2 39. Rxb2 a1=Q
0-1 

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Triangle System"]
[Black "II"]
[Result "*"]
[PlyCount "34"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 (6. Nc3 c5 7. Nf3
Nf6 8. Be3 Nc6 9. Be2 (9. dxc5 Qa5) 9... Ng4 10. d5 Nxe3 11. fxe3 Ne7 12. e4
O-O 13. O-O exd5 14. cxd5 Ng6 $11 {Seirawan - Georgiev, Brussels 1992 blitz
Game #14}) 6... Qxd4 7. Bxb4 Qxe4+ 8. Be2 {Marshall Gambit - main line.} (8.
Ne2 Nd7 (8... Ne7 9. Qd2 Nd7 10. f3; 8... Na6 9. Bf8 Ne7 10. Bxg7 Rg8 (10...
Nb4 $5) 11. Bc3 (11. Bf6 Qxc4 12. Ng3 Qf4 13. Bc3 Nc5 14. Qc2 e5 {Kharlov -
Filippov, Kazan: RUS 2001}) 11... Nf5 (11... Qxc4 12. Ng3 Qf4 13. Bxa6 $16) 12.
Qd2 Qxc4 13. Nf4 (13. Rd1 $18) 13... Qe4+ 14. Be2 Nc7 {Sarkov - Das}) 9. Qd6
(9. Qd2 c5 10. Bc3 Ngf6 11. O-O-O O-O 12. Ng3 Qh4 $1 $15 13. Be2 (13. f3 b6
{Englund,H - Forssen, Forsse 1980, Game #13}) 13... b6) 9... a5 10. Ba3 (10.
Bc3 Ngf6 11. b3 (11. O-O-O $2 Qxc4) 11... c5 12. Rd1 Ra6 13. Qd2 O-O) 10... Qe5
11. Qd2 (11. O-O-O Qxd6 12. Bxd6 $11) 11... c5 $11 12. f4 Qb8 13. O-O-O (13.
Nc3 Ngf6) 13... b6 {Wells,Peter - Dao Thien Hai , HUN-ch 1997, Game #12}) 8...
c5 $11 9. Bxc5 (9. Bc3 Nc6 10. Nf3 (10. Bxg7 Qxg2 11. Bxh8 Qxh1 12. Kf1 Qxh2
$17 13. Qd3 Bd7 14. Rd1 O-O-O; 10. Qd6 Nge7 11. Qxc5 (11. Bxg7 Nf5) 11... O-O;
10. Qd2 e5 11. Nf3 f6 12. O-O Nge7 13. Bd3 Qg4 $17) 10... f6 11. O-O Nge7 12.
Re1 Qf4 {Leveille - Lesiege, Hamilton CA 1994 Game #11}) 9... Qxg2 10. Bf3 (10.
Qd6 Nd7 11. O-O-O Qc6 12. Qxc6 bxc6 13. Bd6 Ne7 (13... Bb7 14. c5 (14. Bf3 Nh6
(14... Ne7) 15. Ne2 Nf5; 14. Nf3 Nh6 (14... Ne7 15. Ne5 Nxe5 16. Bxe5 f6 17.
Bd6 Kf7 18. Bc5 Rhd8 19. Kc2 $14) 15. Ne5 $1 (15. Bd3 c5 $17) 15... Nf5 16.
Nxd7 Kxd7 17. Bb4+ Kc8 18. Bc3 Rg8; 14. Nh3 Nh6 15. Bd3 f6) 14... Ne7 15. Nf3
Nf5 {Shishkin - Kantorik, Krakow 2001 Game #9}) 14. Bd3 Bb7 15. Ne2 Nc8 $13
(15... c5) 16. Bc7 Ncb6 17. b3 (17. Rhg1 O-O 18. Bd6 Rfd8 19. b3 c5 $11) 17...
O-O $11; 10. Qd2 Qxh1 11. O-O-O Nd7 12. Nf3 Qg2 13. Ba3 (13. Ne5 Ngf6 14. Qd6
Qg5+ 15. f4 Ne4 $1 16. fxg5 Nxd6 17. Bxd6 h6 $19) 13... a5 14. Ne5 Ngf6 15. Bh5
Ra6 $13 {Sulava - Palac, Croatia 1995 Game #10}) 10... Qg5 11. Bd6 (11. Qd6 Nd7
12. Be3 Qa5+ 13. b4 Qe5 $17; 11. Ba3; 11. Qd4 Nd7) 11... Nc6 12. Ne2 Nge7 13.
Rg1 Qf6 14. Nc3 Nd4 $1 15. Bh1 $2 (15. Be4 Ndf5 16. Ba3 $13 Qe5; 15. Bh5 Nef5
16. Rg4 (16. Ne4 $2 Qh4 17. Bg4 Ne3 18. Qxd4 Nc2+ $19) 16... Nxd6 17. Rxd4 Nf5
$17 {Clitan - Posedaru, Belgrade 2008}) 15... Ndf5 16. Ba3 Qe5+ 17. Be4 Qxh2
$19 {Spraggett - Gentes, Canada zt 1992 Game #8}  *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Triangle System"]
[Black "III"]
[Result "*"]
[PlyCount "30"]

1. d4 d5 2. c4 (2. Nf3 c6 3. e3 (3. Bf4 Bf5 4. e3 (4. c3 e6) 4... e6 (4... Qb6
5. Qc1 Nf6 6. Nbd2 e6) 5. Bd3 Bxd3 6. Qxd3 Bd6 7. Bg3 Nf6 $11 {Andersson,U -
Chiburdanidze,M, Haninge 1988 Game #16}) 3... Bf5 (3... Bg4 4. c4 e6 5. Nc3 (5.
Qb3 Qc7 (5... Qb6 6. Ne5 Bf5 7. Nc3 Nf6 $11) 6. Ne5 Bf5 $11) 5... Nd7 6. h3 (6.
cxd5 exd5 7. Bd3 Ngf6 8. Qb3 Qc7 (8... Qb6 9. Bd2 Bd6 $11) 9. Bd2 Bd6 10. Rc1
Qb6 11. Qxb6 Nxb6 $11) 6... Bh5 7. g4 Bg6 8. h4 Ngf6 9. Ne5 (9. h5 Be4 10. g5
Bxf3 11. Qxf3 Ne4) 9... dxc4 10. Nxc4 h5 $11) 4. c4 e6 5. Nc3 Nd7 6. Bd3 Bxd3
7. Qxd3 f5 8. cxd5 cxd5 9. O-O Bd6 10. h4 a6 {Razumova,T - Polyakova,N, ch-RUS
women Elista RUS 1997 Game #15 Anti-Colle}) 2... e6 3. Nc3 (3. Nf3 c6 4. e3 Nf6
(4... Bd6 5. Nc3 f5) 5. Nc3 a6 {has transposed to the Accelerated Meran = see
below.}) 3... c6 4. e3 (4. cxd5 exd5 {Exchange QGD} 5. Nf3 (5. Bf4 Nf6 6. e3
Bd6 7. Bxd6 Qxd6 8. Bd3 O-O 9. Qc2 Bg4 $5 $11 {Windsor - Vanush, EU Ch 2010,
Game #20 and Newton,Geoff - Pua,Richard, Edmonton 2005}) 5... Bf5 6. Bf4 (6.
Bg5 Be7) 6... Bd6 $11 7. Bxd6 Qxd6 8. e3 Nf6 9. Bd3 Bxd3 10. Qxd3 O-O 11. O-O
Nbd7 12. Rab1 a5 13. a3 Rfe8 {Minaya - Semkov, St John 1988, Game #19.}) 4...
Nf6 (4... Bd6 $5 5. Bd3 (5. Qc2 f5 6. Bd3) 5... f5 6. Qc2 Nf6 (6... Ne7; 6...
a6 7. c5 Bc7) 7. cxd5 (7. f4 O-O) 7... cxd5 8. Nb5 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2
$11 Nc6 (10... a6); 4... f5 5. Bd3 (5. g4 $5) 5... Nf6 6. Qc2 Bd6 (6... Ne4 7.
Nge2 Bd6 8. O-O O-O 9. f3 Na6) 7. f3 (7. cxd5) 7... O-O $13) 5. Nf3 a6
{Accelerated Meran Alekhine Variation} 6. Bd3 (6. Qc2 b5 7. b3 Bb4 (7... Nbd7)
8. Bd2 Nbd7 9. Bd3 Bb7 10. O-O Qe7 11. a3 Bd6 {Najdorf - Teschner, Helsinki olm
1952 Game 18}) 6... dxc4 7. Bxc4 b5 8. Bb3 (8. Bd3 c5 9. O-O Nbd7 10. Qe2 Bb7
11. Rd1 Qb8 $11) 8... c5 9. O-O Bb7 10. Qe2 Nbd7 11. Rd1 Qb8 $11 12. d5 (12. e4
cxd4 13. Nxd4 b4 {Berberich - Rabiega, Berlin 1996} (13... Bd6)) 12... c4
(12... Nxd5) 13. dxe6 fxe6 14. Bc2 Bd6 15. e4 O-O {Sagalchik,G - Ibragimov,I,
Katowice (1) 1990 Game #17}  *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Semi-Slav"]
[Black "Triangle System"]
[Result "*"]
[PlyCount "40"]

1. d4 d5 2. c4 (2. Nf3 c6 3. e3 (3. Bf4 Bf5 4. e3 (4. c3 e6) 4... e6 (4... Qb6
5. Qc1 Nf6 6. Nbd2 e6) 5. Bd3 Bxd3 6. Qxd3 Bd6 7. Bg3 Nf6 $11 {Andersson,U -
Chiburdanidze,M, Haninge 1988 Game #16}) 3... Bf5 (3... Bg4 4. c4 e6 5. Nc3 (5.
Qb3 Qc7 (5... Qb6 6. Ne5 Bf5 7. Nc3 Nf6 $11) 6. Ne5 Bf5 $11) 5... Nd7 6. h3 (6.
cxd5 exd5 7. Bd3 Ngf6 8. Qb3 Qc7 (8... Qb6 9. Bd2 Bd6 $11) 9. Bd2 Bd6 10. Rc1
Qb6 11. Qxb6 Nxb6 $11) 6... Bh5 7. g4 Bg6 8. h4 Ngf6 9. Ne5 (9. h5 Be4 10. g5
Bxf3 11. Qxf3 Ne4) 9... dxc4 10. Nxc4 h5 $11) 4. c4 e6 5. Nc3 Nd7 6. Bd3 Bxd3
7. Qxd3 f5 {Æ} 8. cxd5 cxd5 9. O-O Bd6 10. h4 a6 {Razumova,T - Polyakova,N,
ch-RUS women Elista RUS 1997 Game #15 Anti-Colle}) 2... e6 3. Nc3 (3. Nf3 c6 4.
e3 Nf6 (4... Bd6 5. Nc3 f5) 5. Nc3 a6 {has transposed to the Accelerated Meran
= see below.}) 3... c6 4. Nf3 (4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 (6. Nc3 c5 7. Nf3
Nf6 8. Be3 Nc6 9. Be2 (9. dxc5 Qa5) 9... Ng4 10. d5 Nxe3 11. fxe3 Ne7 12. e4
O-O 13. O-O exd5 14. cxd5 Ng6 $11 {Seirawan - Georgiev, Brussels 1992 blitz
Game #14}) 6... Qxd4 7. Bxb4 Qxe4+ 8. Be2 {Marshall Gambit - main line. Æ} (8.
Ne2 Nd7 (8... Ne7 9. Qd2 Nd7 10. f3; 8... Na6 9. Bf8 {Æ} 9... Ne7 10. Bxg7 Rg8
(10... Nb4 $5) 11. Bc3 (11. Bf6 Qxc4 12. Ng3 Qf4 13. Bc3 Nc5 14. Qc2 e5
{Kharlov - Filippov, Kazan: RUS 2001}) 11... Nf5 (11... Qxc4 12. Ng3 Qf4 13.
Bxa6 $16) 12. Qd2 Qxc4 13. Nf4 (13. Rd1 $18) 13... Qe4+ 14. Be2 Nc7 {Sarkov -
Das}) 9. Qd6 (9. Qd2 c5 10. Bc3 Ngf6 11. O-O-O O-O 12. Ng3 Qh4 $1 $15 13. Be2
(13. f3 b6 {Englund,H - Forssen, Forsse 1980, Game #13}) 13... b6) 9... a5 10.
Ba3 (10. Bc3 Ngf6 11. b3 (11. O-O-O $2 Qxc4) 11... c5 12. Rd1 Ra6 13. Qd2 O-O)
10... Qe5 11. Qd2 (11. O-O-O Qxd6 12. Bxd6 $11) 11... c5 $11 12. f4 Qb8 13.
O-O-O (13. Nc3 Ngf6) 13... b6 {Wells,Peter - Dao Thien Hai , HUN-ch 1997, Game
#12}) 8... c5 $11 9. Bxc5 (9. Bc3 Nc6 10. Nf3 (10. Bxg7 Qxg2 11. Bxh8 Qxh1 12.
Kf1 Qxh2 $17 13. Qd3 Bd7 14. Rd1 O-O-O; 10. Qd6 Nge7 11. Qxc5 (11. Bxg7 Nf5)
11... O-O; 10. Qd2 e5 11. Nf3 f6 12. O-O Nge7 13. Bd3 Qg4 $17) 10... f6 11. O-O
Nge7 12. Re1 Qf4 {Leveille - Lesiege, Hamilton CA 1994 Game #11}) 9... Qxg2 10.
Bf3 (10. Qd6 Nd7 11. O-O-O Qc6 12. Qxc6 bxc6 13. Bd6 Ne7 (13... Bb7 14. c5 (14.
Bf3 Nh6 (14... Ne7) 15. Ne2 Nf5; 14. Nf3 Nh6 (14... Ne7 15. Ne5 Nxe5 16. Bxe5
f6 17. Bd6 Kf7 18. Bc5 Rhd8 19. Kc2 $14) 15. Ne5 $1 (15. Bd3 c5 $17) 15... Nf5
16. Nxd7 Kxd7 17. Bb4+ Kc8 18. Bc3 Rg8; 14. Nh3 Nh6 15. Bd3 f6) 14... Ne7 15.
Nf3 Nf5 {Shishkin - Kantorik, Krakow 2001 Game #9}) 14. Bd3 Bb7 15. Ne2 Nc8 $13
(15... c5) 16. Bc7 Ncb6 17. b3 (17. Rhg1 O-O 18. Bd6 Rfd8 19. b3 c5 $11) 17...
O-O $11; 10. Qd2 Qxh1 11. O-O-O Nd7 12. Nf3 Qg2 13. Ba3 (13. Ne5 Ngf6 14. Qd6
Qg5+ 15. f4 Ne4 $1 16. fxg5 Nxd6 17. Bxd6 h6 $19) 13... a5 14. Ne5 Ngf6 15. Bh5
Ra6 $13 {Sulava - Palac, Croatia 1995 Game #10}) 10... Qg5 11. Bd6 (11. Qd6 Nd7
12. Be3 Qa5+ 13. b4 Qe5 $17; 11. Ba3; 11. Qd4 Nd7) 11... Nc6 12. Ne2 Nge7 13.
Rg1 Qf6 14. Nc3 Nd4 $1 {Æ} 15. Bh1 $2 (15. Be4 Ndf5 16. Ba3 $13 Qe5; 15. Bh5
Nef5 16. Rg4 (16. Ne4 $2 Qh4 17. Bg4 Ne3 18. Qxd4 Nc2+ $19) 16... Nxd6 17. Rxd4
Nf5 $17 {Clitan - Posedaru, Belgrade 2008}) 15... Ndf5 16. Ba3 Qe5+ 17. Be4
Qxh2 $19 {Spraggett - Gentes, Canada zt 1992 Game #8}; 4. e3 Nf6 (4... Bd6 $5
5. Bd3 (5. Qc2 f5 6. Bd3) 5... f5 6. Qc2 Nf6 (6... Ne7; 6... a6 7. c5 Bc7) 7.
cxd5 (7. f4 O-O) 7... cxd5 8. Nb5 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 $11 Nc6 (10...
a6); 4... f5 5. Bd3 (5. g4 $5) 5... Nf6 6. Qc2 Bd6 (6... Ne4 7. Nge2 Bd6 8. O-O
O-O 9. f3 Na6) 7. f3 (7. cxd5) 7... O-O $13) 5. Nf3 a6 {Accelerated Meran
Alekhine Variation} 6. Bd3 (6. Qc2 b5 7. b3 Bb4 (7... Nbd7) 8. Bd2 Nbd7 9. Bd3
Bb7 10. O-O Qe7 11. a3 Bd6 {Najdorf - Teschner, Helsinki olm 1952 Game 18})
6... dxc4 7. Bxc4 b5 8. Bb3 (8. Bd3 c5 9. O-O Nbd7 10. Qe2 Bb7 11. Rd1 Qb8 $11)
8... c5 9. O-O Bb7 10. Qe2 Nbd7 11. Rd1 Qb8 $11 12. d5 (12. e4 cxd4 13. Nxd4 b4
{Berberich - Rabiega, Berlin 1996} (13... Bd6)) 12... c4 (12... Nxd5) 13. dxe6
fxe6 14. Bc2 Bd6 15. e4 O-O {Sagalchik,G - Ibragimov,I, Katowice (1) 1990 Game
#17}; 4. cxd5 exd5 {Exchange QGD} 5. Nf3 (5. Bf4 Nf6 6. e3 Bd6 7. Bxd6 Qxd6 8.
Bd3 O-O 9. Qc2 Bg4 $5 $11 {Windsor - Vanush, EU Ch 2010, Game #20 and
Newton,Geoff - Pua,Richard, Edmonton 2005}) 5... Bf5 6. Bf4 (6. Bg5 Be7) 6...
Bd6 $11 7. Bxd6 Qxd6 8. e3 Nf6 9. Bd3 Bxd3 10. Qxd3 O-O 11. O-O Nbd7 12. Rab1
a5 13. a3 Rfe8 {Minaya - Semkov, St John 1988, Game #19.}) 4... dxc4 5. a4 (5.
e3 b5 6. Bd2 (6. a4 Bb4 {transposes}) 6... Bb4 7. a3 Bxc3 8. Bxc3 Nf6 $11 9.
Nd2 O-O 10. Be2 Bb7 11. Bf3 Nbd7 12. O-O Qc7 13. Qc2 a6 $17 {black has an extra
pawn. Tedchik - Darbinian, Marianska Lazna Open 2010, Game #7}; 5. e4 b5 6. a4
(6. Bg5 Qb6 7. Be2 Nd7 (7... Bb7) 8. d5 cxd5 9. exd5 e5 10. O-O Ngf6 (10... f6
11. Be3 Bc5) 11. a4 b4 12. a5 (12. Nb1 Ba6) 12... Qb8 13. Nb1 Bd6 14. h3 O-O
15. Bxc4 Ne4 $11 {Bernev - Baburin, Cork Congress 2010}) 6... Bb4 7. Bd2 Nf6 8.
Qb1 a6 9. Be2 (9. axb5 Bxc3 10. Bxc3 cxb5 11. b3 cxb3 (11... Bb7) 12. Bxb5+ Bd7
13. Bxd7+ Nbxd7 14. Qxb3 Nxe4) 9... Bb7 10. O-O Be7 11. Rd1 Nbd7 {Jobava -
Bacrot, Linares 2001 Game #6}) 5... Bb4 6. e3 (6. Bd2 b5 7. e3 a5 8. axb5 Bxc3
9. Bxc3 cxb5 {transposes back to the main line.}) 6... b5 7. Bd2 (7. Ne5 Nf6 8.
Qf3 Qd5 9. Qg3 O-O $17) 7... a5 (7... Bb7 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 a5)
8. axb5 Bxc3 9. Bxc3 (9. bxc3 cxb5 10. Ne5 Nf6 11. Rb1 (11. Qb1 Bd7 {Stempin -
Weyrich, Copenhagen 1990}) 11... Ba6 $15 {Matveeva - Polgar,Zsuzsa , Moscow ol
(Women) 1994 Game #5}) 9... cxb5 10. b3 (10. Ne5 Nf6 11. Be2 (11. Qf3 Qd5; 11.
b3)) 10... Bb7 11. bxc4 (11. d5 {Æ} 11... Nf6 12. bxc4 b4 13. Bxf6 (13. Qa4+
Nbd7 14. Bxf6 Qxf6) 13... Qxf6 14. Qa4+ Nd7 15. Nd4 e5 16. Nb3 Ke7 17. Qb5 (17.
Be2 Rhc8 18. Bg4 (18. Rd1 Nc5 19. Nxc5 Rxc5 20. O-O Kf8 21. f4 Rd8 $13 (21...
Re8 $5) 22. Qa1 (22. Kh1 Kg8 23. Bd3 h6 $5 (23... e4 {Nikolaidis -
Mastrovasilis, Athens 1998}; 23... Qe7) 24. Qb3 Ba6) 22... Re8 {Gelfand -
Vaisser, Cap d'Agde 1996}) 18... Qd6 19. Nxa5 Rc5 (19... Rxa5 20. Qxa5) 20.
Nxb7 Rxa4 21. Rxa4 Qg6 $1 22. O-O Qxg4 23. Nxc5 Nxc5 24. Rxb4 Qe2 25. h3 g6 $17
{Naumann - Stangl, Germany: Bundesliga 1996}) 17... Ba6 18. Qxa5 Rhb8 19. d6+
Ke8 $13 {Serebrjanik - Maksimenko, Vrnjacka Banja 1991 Game #4 and many other
games. Æ}) 11... b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O {Æ} 15. Qc2 (15. Re1
Ne4 $1 16. Nd2 (16. c5 Bd5 (16... Bc6; 16... Qc7; 16... f5 17. Bb5 Bd5 18. Qc2
Qc7)) 16... Nxd2 17. Qxd2 Qc7 18. c5 (18. e4 e5 19. Re3 exd4 20. Bxd4 Ne5 $17
{Ellers - Stangl, Germany: Bundesliga 1997}) 18... f5 19. f3 (19. e4 fxe4 20.
Bxe4 Bxe4 21. Rxe4 Nf6 22. Rxe6 Ng4 23. Rd6 Rxf2 $13) 19... Nf6 $11 {Sadler -
Krasenkow, Germany: Bundesliga 1998 Game #2}; 15. Nd2 Re8 $5 (15... Qc7 16. f4
a4 17. Rb1 Rfd8) 16. f4 (16. Bc2 Qc7 17. f4 Nb6 {Klimov - Matlakov St
Petersburg 2007}) 16... Nc5 17. Bc2 Nce4 18. Nf3 Qc7 (18... Nd7) 19. Ne5 Nd7
$11 {Pham Minh Hoang - Bui Vinh, VIE-ch 2000 Game #3}) 15... Qc7 (15... h6 $5
16. c5 (16. e4 e5 17. c5 Rc8 $5 (17... Qc7 {transposes to the main line.}); 16.
Nd2; 16. Qd1) 16... Bc6 17. e4 Ra7 18. Nd2 Qa8 {Francois Marchand (2244) -
Natalia Zhukova (2462), Caleta ENG: Gibraltar (3) 2010 Æ}) 16. e4 (16. c5 Bc6
17. e4 h6) 16... e5 17. c5 (17. d5 Rfe8 18. Rfe1 Nc5; 17. Rfe1 Rfe8 18. c5 h6;
17. Nxe5 Nxe5 18. dxe5 Ng4) 17... exd4 (17... Rfc8 $5) 18. Bxd4 {Æ} 18... h6
$11 (18... Ng4 {Zuger,Beat - Klinger,J, Bern (1) 1991 Game #1}) 19. e5 (19.
Rfc1 Bc6 20. Qb2 Rfe8 21. Nd2 Ne5 (21... Reb8) 22. Bb1 {Monteleone - Ortega,
Vitinia 1998}) 19... Nd5 20. e6 (20. Bc4) 20... fxe6 $11 {Nordahl - Leer,
NOR-ch 1999 and Zaichko - Karpeshov, RUS-ch 1999}  *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "stockfish-9-64"]
[Black "Qc7selfplay"]
[Result "*"]
[PlyCount "52"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O
15. Qc2 Qc7 16. e4 e5 17. c5 Rfc8 18. Rfe1 Ba6 19. Rac1 Bxd3 20. Qxd3 exd4 21.
e5 Nxc5 22. Rxc5 Qxc5 23. exf6 Re8 24. Rxe8+ Rxe8 25. fxg7 a4 26. h4 a3  *

[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "stockfish-9-64"]
[Black "Qc7selfplay"]
[Result "1/2-1/2"]
[PlyCount "82"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5
Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 Nbd7 14. O-O O-O
15. Qc2 Qc7 16. e4 e5 17. c5 Rfc8 18. Rfe1 Ba6 19. Rac1 Bxd3 20. Qxd3 exd4 21.
e5 Nxc5 22. Rxc5 Qxc5 23. exf6 Re8 24. Rxe8+ Rxe8 25. fxg7 a4 26. h4 a3 $11 27.
Bxd4 Qd5 28. Ng5 f5 29. Qd1 h6 30. Qh5 Re1+ 31. Kh2 Qd6+ 32. g3 Qd5 33. Nf3 Re6
34. Ng5 Re1 35. Nf3 Re6 36. Be5 Qc5 37. Qxf5 Qxf2+ 38. Kh3 Qf1+ 39. Kh2 Qf2+
40. Kh3 Qf1+ 41. Kh2 Qf2+ 1/2-1/2 

