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Главная страница Справка Коды ЭШД D00 - D99 D74

Коды ЭШД

D71 D72 D73

D74

D75 D76 D77

D74

Код энциклопедии шахматных дебютов (ЭШД)

Описание

RU: Защита Грюнфельда (3 g3): 5 Кf3 0-0 6 cxd5 Кxd5 7 0-0
EN: Fianchetto Grünfeld: Main Line (5 Nf3 0-0 6 cxd5 Nxd5 7 0-0)

Ходы

1. d4 Кf6 2. c4 g6 3. g3 d5 4. Сg2 Сg7 5. Кf3 0-0 6. c:d5 К:d5 7. 0-0 c5 8. e4

Дебюты

Защита Грюнфельда

[Event "Dortmund SuperGM 24th"]
[Site "Dortmund"]
[Date "1996.07.13"]
[Round "8"]
[White "Huebner, Robert"]
[Black "Topalov, Veselin"]
[Result "1/2-1/2"]
[ECO "D74"]
[WhiteElo "2595"]
[BlackElo "2750"]
[Annotator "Dolmatov,S"]
[PlyCount "118"]
[EventDate "1996.07.05"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "18"]
[SourceTitle "CBM 054"]
[Source "ChessBase"]
[SourceDate "1996.10.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.10.01"]
[SourceQuality "1"]

1. c4 g6 2. d4 Bg7 3. Nc3 Nf6 4. Nf3 O-O 5. g3 $6 d5 6. Bg2 dxc4 7. Qa4 (7. Ne5
c5 8. e3 Na6 9. Nxc4 Bg4 10. f3 Be6 11. Ne5 $17) 7... Nfd7 8. Qxc4 Nb6 9. Qd3 (
9. Qb3 Nc6 10. e3 Be6 11. Qd1 Bc4 12. b3 Ba6 $15) 9... Nc6 10. Bf4 Nxd4 $1 {N/}
(10... Bf5 11. e4 Bg4 12. d5 e6 13. O-O exd5 14. Nxd5 Nxd5 15. exd5 Nb4 16. Qc4
Nxd5 17. Bxc7 Qxc7 18. Qxd5 Bxb2 $15 {Fridshtein,G-Nikitin,A/URS/1958/}) 11.
Nxd4 e5 $17 12. Ndb5 Qxd3 13. exd3 exf4 14. Nxc7 Rb8 15. O-O (15. gxf4 Rd8 16.
O-O-O Bg4 $17) 15... fxg3 16. hxg3 Rd8 17. Rfe1 Bf5 (17... Bg4 $5) 18. Be4 Bxe4
19. dxe4 Bxc3 $5 (19... Rbc8 20. N7d5 Nxd5 21. Nxd5 Rc2 22. Rad1 Kf8 $17) 20.
bxc3 Rbc8 21. Nb5 a6 22. Nd4 Rxc3 $17 (22... Na4 $5 $19) 23. Nb3 Nc4 (23... Na4
$5 24. Rad1 Rcd3 25. Rxd3 Rxd3 $17) 24. Red1 Rxd1+ (24... Rcd3 $2 25. Rxd3 Rxd3
26. Nc5 Ra3 27. Nxb7 $15) (24... Re8) 25. Rxd1 a5 $2 (25... Rc2 $5 26. Rd8+ Kg7
27. Rc8 b5) 26. Rd8+ Kg7 27. Rc8 $10 a4 (27... b5 28. Nxa5 $10) 28. Nd4 Kf6 29.
Rc5 g5 (29... b6 30. e5+ Ke7 31. Rc7+ Kd8 32. Rxf7 Nxe5 33. Rxh7 $15) 30. e5+
Kg6 31. Rc8 g4 $6 (31... Kh5 $5 {/\Kg4-h3}) 32. Rg8+ Kh5 33. Rc8 a3 34. Kh2 Rc1
35. Rc7 $10 Kg6 36. Rc8 h5 37. Rg8+ Kh7 38. Rc8 Rc3 39. Kg1 b5 40. Nxb5 Rc1+
41. Kh2 Rc2 42. Kg1 Rc1+ 43. Kh2 Rc2 44. Kg1 Ne3 45. Rd8 (45. Rxc2 Nxc2 46. Kf1
Kg6 47. Ke2 Kf5 48. Kd3 Nb4+ 49. Kd4 Nxa2 50. Nxa3 Nb4 51. Nc4 $10) 45... Rc1+
46. Kh2 Rc2 47. Kg1 Nf5 48. Nxa3 Rxa2 49. Nb5 h4 50. Nd6 Ra1+ 51. Kh2 hxg3+ 52.
fxg3 Ra2+ 53. Kg1 Nxg3 54. Nxf7 Nf5 55. e6 Ra1+ 56. Kg2 Ra2+ 57. Kg1 g3 58.
Ng5+ Kg7 59. Ne4 Re2 1/2-1/2

[Event "New York"]
[Site "New York"]
[Date "1948.??.??"]
[Round "6"]
[White "Najdorf, Miguel"]
[Black "Kashdan, Isaac"]
[Result "1-0"]
[ECO "D74"]
[Annotator "Ftacnik,L"]
[PlyCount "69"]
[EventDate "1948.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 O-O (6... Nb6 7. O-O
O-O 8. Nc3 Na6 9. Bf4 c5 10. d5 $1 Bxc3 (10... c4 $6 11. Qd2 $1 (11. e4 Bg4 12.
Qd2 Bxf3 13. Bxf3 Nc5 14. Rad1 Nbd7 15. Be2 Rc8 16. Be3 Bxc3 17. bxc3 Nxe4 18.
Qd4 Ndf6 19. Bxc4 $5 b5 $1 20. Bxb5 Nxc3 $17 {Savcenko,S-Dvoirys,S/URS-FL56
Simferopol/1988/0-1/42/ ->}) 11... Bxc3 12. bxc3 $5 (12. Qxc3 $5 Nxd5 13. Qxc4
Nxf4 14. Qxf4 $14) 12... Qxd5 13. Nd4 Qa5 14. Rab1 Bd7 15. Bxb7 $14 {
Malaniuk-Dvoirys/Simferopol/!988}) 11. bxc3 Qxd5 12. Qc1 $44) 7. O-O Na6 (7...
c5 $142) 8. e4 Nb6 9. Nc3 Bg4 10. d5 Qd7 11. a4 $16 (11. Qe2 $16 {
Vidmar-Tartacover/Karlsbad/1929}) 11... Bh3 $2 (11... Rfe8 {[%cal Ye7e6] /\e6})
12. a5 Bxg2 13. Kxg2 Nc4 14. Qe2 Ne5 15. Nxe5 Bxe5 16. Rd1 Bg7 $2 (16... Rfe8
$142) 17. Qc4 Rfd8 $2 (17... Rfe8 $142) 18. Be3 Qd6 (18... e6 19. Qb3 exd5 (
19... b6 20. axb6 axb6 21. dxe6 Qxe6 22. Rxd8+) (19... Qc8 20. dxe6 fxe6 21.
Rxd8+) 20. Qxb7) 19. Rac1 (19. Qb3 Qb4) 19... e6 20. Nb5 exd5 21. exd5 $1 Qe7
22. b3 Rd7 23. Bf4 $1 g5 24. Bxc7 Nxc7 25. d6 $3 (25. Nxc7 Rc8 26. d6 Qd8 (
26... Rxd6 $2 27. Nd5 $1)) 25... Rxd6 (25... Qe6 26. dxc7 $18) 26. Nxd6 Ne6 27.
Qd5 Rd8 28. Qxb7 Rd7 29. Qd5 Rd8 30. Qb7 Rd7 31. Rc8+ Bf8 32. Qd5 Nc7 33. Nf5
Nxd5 34. Nxe7+ Rxe7 35. Rxd5 1-0

[Event "RUS-chT 19th"]
[Site "Sochi"]
[Date "2012.04.15"]
[Round "7"]
[White "Ovetchkin, Roman"]
[Black "Kurnosov, Igor"]
[Result "0-1"]
[ECO "D74"]
[WhiteElo "2499"]
[BlackElo "2657"]
[Annotator "Ftacnik,L"]
[PlyCount "62"]
[EventDate "2012.04.09"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "RUS"]
[SourceTitle "CBM 148"]
[Source "ChessBase"]
[SourceDate "2012.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2012.05.16"]
[SourceQuality "1"]
[WhiteTeam "Nizhniy Tagil Polytechnik"]
[BlackTeam "Tomsk 400"]
[WhiteTeamCountry "RUS"]
[BlackTeamCountry "RUS"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 d5 5. cxd5 Nxd5 6. Bg2 O-O 7. O-O Nc6 8.
Nc3 Bf5 $5 {Not so long ago players defending the Grьnfeld would automatically
retreat with the knight to b6. The development of the bishop is courageous,
provocative and in fact quite logical.} (8... Nb6) 9. Nd2 {Nobody has managed
to refute the interesting black plan and most likely it is not possible. The
huge range of moves tested indicates, that white players are still unsure how
to treat the pesky line.} (9. Ne1 Be6 10. Nc2 (10. e3 Nxc3 11. bxc3 Bd5 12.
Bxd5 Qxd5 13. Qb3 Rfd8 14. Nd3 b6 15. Qxd5 Rxd5 16. c4 Ra5 17. a4 e5 18. Bd2
Ra6 19. f4 exd4 20. e4 Bf8 21. Kf2 f6 $17 {1-0 Gelfand,B (2741)-Mamedyarov,S 
(2763)/Astrakhan 2010 (39)}) 10... Nxc3 11. bxc3 Na5 12. e4 (12. Bf4 c5 13. Qd2
Rc8 14. d5 Bd7 15. Bh6 Nc4 16. Qf4 Qc7 17. Bxg7 Qxf4 18. gxf4 Kxg7 19. e4 e6
20. e5 exd5 21. Bxd5 Be6 $15 {1/2-1/2 Fressinet,L (2693)-Brkic,A (2587)/
Plovdiv 2012 (42)}) 12... Qd7 13. Bf4 Rac8 14. h4 Bg4 15. Bf3 Bh3 16. Re1 c5
17. Rb1 b6 18. d5 Bxc3 19. Re3 Bg7 20. g4 {1-0 Mamedyarov,S (2763)-Vachier
Lagrave,M (2703)/Moscow 2010 (36)} h5 21. gxh5 Nc4 $15) (9. Qb3 Nb6 10. Rd1 Qd7
11. d5 Na5 12. Qb4 Nac4 13. Nd4 a5 14. Qb5 Nd6 15. Qxd7 Bxd7 16. Bg5 Rfe8 17.
Rac1 a4 18. Ne4 Nxe4 19. Bxe4 Be5 20. Bf4 $16 {0-1 Wojtaszek,R (2726)-Vachier
Lagrave,M (2703)/Warsaw 2010 (56)}) (9. Re1 Nxc3 (9... Qd7 10. Na4 Bg4 11. Nc5
Qc8 12. Ng5 Rd8 13. h3 Bh5 14. g4 Bxd4 15. Qb3 Bxc5 16. Bxd5 Bxg4 17. Nxf7 Nd4
18. Nxd8+ Kg7 19. Qg3 $18 {1-0 Ragger,M (2655)-Vachier Lagrave,M (2715)/
Germany 2012 (23)}) 10. bxc3 Qd7 11. e4 Bg4 12. Qb3 b6 13. Qd5 Rfd8 (13... Rad8
14. h3 Be6 15. Qxd7 Bxd7 16. Ba3 Rfe8 17. Bf1 e5 18. Rad1 exd4 19. cxd4 Na5 20.
Rc1 c5 21. dxc5 Bc6 $11 {1/2-1/2 Khismatullin,D (2656)-Vachier Lagrave,M (2682)
/Plovdiv 2012 (40)}) 14. Qxd7 Bxd7 15. e5 Na5 16. Ba3 c5 {1/2-1/2 Meier,G 
(2663)-Vachier Lagrave,M (2727)/France 2010}) (9. Nh4 Be6 10. e4 Nxc3 11. bxc3
Na5 12. e5 Bd5 13. Bxd5 Qxd5 14. Ba3 Rfe8 15. Ng2 Nc4 16. Ne3 Nxe3 17. fxe3 f6
18. Qd3 fxe5 19. e4 Qd7 20. d5 e6 $11 {1/2-1/2 Zhou Jianchao (2632)-Vachier
Lagrave,M (2730)/Moscow 2010}) (9. Ng5 Nxc3 10. bxc3 Na5 11. e4 Bd7 12. e5 c5
13. Re1 cxd4 14. cxd4 Rc8 15. h4 Rc4 16. Bd5 Bc6 17. Bxc4 Nxc4 18. d5 Bxe5 19.
dxc6 Qxd1 20. Rxd1 Bxa1 21. Bf4 Be5 $11 {1/2-1/2 Pantsulaia,L (2610)-Cornette,
M (2544)/Cappelle la Grande 2011 (30)}) (9. e3 Nxc3 10. bxc3 Be4 11. a4 Na5 12.
Ba3 Nc4 13. Nd2 Bxg2 14. Kxg2 Nxa3 15. Rxa3 c5 16. Qf3 b6 17. a5 cxd4 18. cxd4
bxa5 19. Nc4 Rc8 20. Nxa5 $14 {1-0 Ni Hua (2667)-Yang,K (2396)/Olongapo City
2010 (46)}) (9. Nxd5 Qxd5 10. Nh4 Qxd4 $11) 9... Ndb4 $1 {Kurnosov correctly
refuses to play passively, the knights in the centre will promise him enough
counterplay.} (9... Nb6 10. e4 Bd7 11. Nb3 Qc8 12. Bg5 h6 13. Be3 Bh3 14. Qe2
Bxg2 15. Kxg2 Rd8 16. Rad1 a5 17. d5 Ne5 18. f4 Nec4 19. Bd4 e6 20. Bxg7 Kxg7
21. dxe6 Qxe6 22. Nd4 $16 {1-0 Rodshtein,M (2625)-Zhou Jianchao (2655)/Moscow
2011 (38)}) 10. e4 (10. d5 Ne5 11. a3 Bc2 12. Qe1 Na6 13. Nde4 c6 14. Bf4 Bb3
15. dxc6 Nxc6 16. Rc1 Rc8 17. Qd2 f5 18. Qxd8 Rfxd8 19. Nd2 Bf7 20. Rfd1 Nc5
21. Kf1 Nd4 $15 {1/2-1/2 Grischuk,A (2752)-Vachier Lagrave,M (2710)/Beijing
2011}) 10... Bc8 11. d5 Ne5 (11... Nd4 12. Nc4 b5 13. Ne3 c5 14. a3 Na6 15. Bd2
$14) 12. Qb3 c5 {At the end of the day Black might not be completely satisfied
with the game despite his final success. One of the possibilities to improve
could be the move 12...Nbd3!?} (12... Nbd3 $5 13. Nc4 c6 $11) 13. Nf3 (13. Nc4
Nbd3 (13... Nxc4 14. Qxc4 b6 15. Rd1 Qd7 16. a4 Rd8 17. Qe2 Ba6 18. Nb5 Nc6 19.
Be3 $14) 14. Bg5 Qd7 15. Nxe5 Nxe5 16. Rad1 $11) 13... Nxf3+ (13... Nbd3 14.
Nxe5 Nxc1 15. Raxc1 Bxe5 16. Qa3 b6 17. Ne2 Bg7 18. f4 Bg4 $11) 14. Bxf3 e6 (
14... Nd3 15. Be3 (15. Rd1 Nxc1 16. Raxc1 b6 $11) 15... Qa5 16. Be2 c4 (16...
Nxb2 $2 17. Rfc1 $16) 17. Qc2 b6 $11) 15. Be3 b6 16. a3 {It is easier to guess
what an omniscient general would choose after the battle itself. An
objectively better move was to centralise the rook 16.Rfd1!} (16. Rfd1 $1 exd5
17. exd5 Bf5 18. Rd2 Re8 19. d6 Rc8 20. Qa4 Qd7 21. Qxd7 Bxd7 22. a3 $14) 16...
Nd3 $1 17. Be2 exd5 18. exd5 (18. Bxd3 d4 19. Bc4 dxe3 20. fxe3 Qd2 $11) 18...
Bf5 19. g4 c4 20. Qxc4 $2 {Ovetchkin must have had problems believing, that
his opponent's plan could function. It was better to exercise patience and
postpone grabbing the pawn. Black would have had to fight for equality himself.
} (20. Qa2 $1 Bd7 21. Qxc4 Nxb2 22. Qb3 Rc8 23. Rac1 Qf6 24. g5 (24. Bd2 Rfe8
25. Bb5 Bxb5 26. Nxb5 a6 $15) 24... Qe5 25. Nb5 Bxb5 26. Bxb5 Rcd8 $11) 20...
Qh4 $1 {[%mdl 64]} 21. d6 (21. Bf4 Nxb2 22. Qb3 Rac8 23. Bg3 Qg5 24. gxf5 (24.
Rac1 Nd3 $17) 24... Rxc3 $17) (21. Qb5 Qh3 22. gxf5 Be5 23. f4 Qxe3+ 24. Kh1
Nxf4 $15) (21. Bxd3 $2 Rac8 22. Qb5 Qxg4+ 23. Kh1 Qf3+ 24. Kg1 Bh3 25. Be4 Qg4+
26. Kh1 Rxc3 $19) (21. f3 Nxb2 22. Qb4 (22. Qb3 Rac8 $17) 22... Nd3 $17) 21...
Nxb2 22. Qb3 $6 (22. Qb5 Bxg4 23. f3 Bh3 24. Ne4 Bxf1 25. Rxf1 h6 $17) 22...
Bxg4 23. f3 {At this moment White must have realised, that the situation had
tactically slipped away from his control. An exposed king, motifs along the
diagonal a1-h8 and weak coordination of the forces all condemn him to a sorry
finish.} (23. Qxb2 Bxc3 24. Qxc3 Bxe2 25. f3 Bxf1 26. Rxf1 Rfd8 $19) (23. Bxg4
Qxg4+ 24. Kh1 Qf3+ 25. Kg1 Rac8 26. Nd5 Rc4 $19) (23. Qb4 Be5 $19) 23... Bh3 {
Kurnosov might have struck with even more force if he had concentrated on the
full mobilisation of his forces.} (23... Rae8 $1 24. Nd5 (24. Bf2 Qh3 25. Qxb2
Bxc3 26. Qxc3 Rxe2 $19) 24... Be6 25. Qb4 Qxb4 26. Nxb4 Bh3 $19) 24. Rf2 (24.
Ne4 Bxf1 25. Rxf1 Qh3 26. Rf2 Qe6 $17) 24... Na4 25. Ne4 (25. Nxa4 Bxa1 26. Nc3
Bxc3 27. Qxc3 Rad8 $19) 25... Nc5 $1 {The decisive tactical blow, the last
white hopes are falling down like a house of cards.} (25... Bxa1 $2 26. Bg5 Qh5
27. Qxa4 f6 (27... Bg7 28. Qd1 Rae8 29. f4 Rxe4 30. Bxh5 gxh5 31. Rd2 $16) 28.
Qb3+ Kg7 29. f4 Bg4 30. Qd1 Bxe2 31. Qxa1 $11) 26. Nxc5 (26. Bxc5 Bxa1 27. Be3
$17) 26... Bxa1 27. Ne4 h6 $1 28. Bb5 (28. Qd1 Bg7 29. Bc4 Rad8 $19) 28... Bg7
29. d7 Rad8 30. Qd5 Rxd7 $5 {Black is correctly refusing to worry about the
passed pawn on d7 and returns the exchange.} (30... Kh7 31. Re2 Bxd7 32. Bxd7
Qe7 33. Rd2 f5 $19) 31. Bxd7 Rd8 0-1

[Event "RUS-Cup3"]
[Site "Omsk"]
[Date "1996.??.??"]
[Round "8"]
[White "Fominyh, Alexander"]
[Black "Dvoirys, Semen I"]
[Result "0-1"]
[ECO "D74"]
[WhiteElo "2535"]
[BlackElo "2570"]
[Annotator "Ftacnik,L"]
[PlyCount "80"]
[EventDate "1996.12.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 057"]
[Source "ChessBase"]
[SourceDate "1997.04.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.04.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 O-O 7. O-O Nc6 8. e4
Nb6 9. d5 Na5 10. Qe1 Nac4 11. Nc3 e6 12. b3 Qf6 13. bxc4 Qxc3 14. Qxc3 Bxc3
15. Rb1 exd5 (15... Nxc4 16. Bh6 Bg7 17. Bxg7 Kxg7 18. dxe6 (18. Rfc1 exd5 19.
exd5 Nd6 20. Nd4 (20. Rxc7 Bf5 $10) 20... Bd7 21. Rxc7 Rfd8 22. Ne6+ Bxe6 23.
dxe6 {1-0 Kuehn,M-Schmider,B/Baden Wuerttemberg-ch (10) 1988 (27)}) 18... Bxe6
(18... fxe6 19. Rfc1 Na5 (19... Rxf3 20. Bxf3 Nd2 21. Rxc7+ Kg8 22. Rb3 $1 Nxb3
23. axb3 $16) 20. Rxc7+ Rf7 21. Rxf7+ Kxf7 22. Ng5+ Ke7 23. e5 {1/2-1/2
Fraschini,M-Saldano,H/Buenos Aires Najdorf op (04)/1993 (32)}) 19. Rxb7 Nb6 (
19... Nd6 20. Rxc7 Nxe4 21. Nd4 Bf5 22. Bxe4 Bxe4 23. Ne6+ $16) 20. Rxc7 Rfc8
21. Rxc8 Rxc8 22. Ra1 Rc3 (22... Rc4 $1 23. a3 (23. Nd2 Rd4 24. Nf1 Ra4 25. a3
Nc4 {San Marco}) 23... Rxe4 24. Ng5 Re5 25. Nxe6+ Rxe6 26. Rc1 Re5 27. Bf3 Ra5
28. Rc3 Na4 $1 29. Re3 Kf6 30. Be2 Nc5 $10 {Pytel,K-San Marco/Evreux/1986/})
23. Nd4 Bc4 24. a4 a5 25. h4 Bd3 26. e5 Rc4 27. Nb3 Rxa4 28. Rxa4 Nxa4 29. Nxa5
$14 {Kortschnoj,V-Kouatly,B/Cannes (01)/1986/1-0 (51)}) (15... c6 16. Bh6 Rd8
17. Rfc1 Na4 18. Rb3 Bb2 19. Rb1 Bh8 20. dxc6 bxc6 21. Bg5 Re8 22. e5 Nc5 23.
Ra3 Nd7 24. Nd4 Nxe5 25. Nxc6 Nxc4 26. Ra4 Nb2 27. Ne7+ Kf8 28. Rb4 {1-0
Tibensky,R-Rawski,S/Bratislava op (06)/1992 (41)}) (15... Bg7 16. Bf4 c6 (16...
Nxc4 17. Rbc1 exd5 18. exd5 Nb6 19. Nd2) 17. dxc6 bxc6 18. Bd6 Re8 19. c5 Nc4
20. e5 Ba6 21. Rfc1 Rec8 (21... Nxd6 22. cxd6 Reb8 23. Rb3) 22. Bf1 Nxe5 23.
Nxe5 Bxf1 24. Kxf1 {1-0 Polgar,Z-Xie Jun (13)/WchW Jaen/1996/}) 16. cxd5 Re8
17. Rb3 (17. Bd2 Bg7 18. Rfe1 f5 19. Ng5 (19. Nh4 fxe4 20. Bxe4 Nc4 21. Bf4 Bh3
22. Rbc1 Nd6 23. Bg2 Rxe1+ 24. Rxe1 Bxg2 25. Nxg2 Re8 26. Rc1 Re7 {0-1
Tibensky,R-Konopka,M/Pila (05)/1992/ (49)}) 19... fxe4 20. Bxe4 Bh6 21. Rbc1
Bf5 22. Bf3 Rxe1+ 23. Rxe1 Bd7 24. h4 Rf8 25. Bf4 Bxg5 26. hxg5 c6 27. dxc6
Bxc6 28. Bxc6 bxc6 29. Re7 Nd5 30. Rxa7 Nxf4 31. gxf4 Rxf4 {1/2-1/2 Ilic,
Z-Ivanov,IV/Saint John op-1/1988 (47)}) 17... Bg7 18. Re1 c6 $1 19. Bf4 (19. d6
Be6 20. Ra3 Nc4 21. Rd3 Rad8 22. Red1 $10) 19... cxd5 20. exd5 Bf5 (20... Rxe1+
21. Nxe1 Bd7 22. Re3 Re8 23. Rxe8+ Bxe8 24. Nd3 $14) 21. Be5 Bxe5 (21... Nxd5
$6 22. Rxb7 $14) 22. Nxe5 (22. Rxe5 f6 23. Rxe8+ Rxe8 $10) 22... f6 23. Nd3
Rxe1+ 24. Nxe1 Kf7 25. f4 (25. d6 Rd8 26. Bxb7 Rxd6 $15) 25... Ke7 26. d6+ Kxd6
27. Bxb7 Re8 28. Kf2 Nc4 {Black king and pieces are more active, white is
fighting for equality. Der schwarze Kцnig und seine Figuren stehen aktiver,
WeiЯ muЯ um Ausgleich kдmpfen.} 29. Bf3 (29. Ba6 Nd2 30. Rb7 $2 (30. Re3 Ne4+
31. Kf3 h5 $15) 30... Ne4+ 31. Kf1 Bh3+ 32. Ng2 Rc8 $19) 29... a5 30. g4 Be4
31. Be2 Bd5 32. Rd3 (32. Bxc4 Bxc4 33. Rb2 Kc5 $15) 32... Kc5 33. Nc2 Nd6 34.
Ra3 (34. Rc3+ Kb6 $15) 34... Kb6 (34... Ne4+ 35. Ke1 Kb6 36. Ne3 Bf7 37. Nc4+
Bxc4 38. Bxc4 Nc5+ 39. Be2 Re4 40. Rf3 Ne6 $15) 35. Ne3 Bf7 36. Rd3 Ne4+ 37.
Kf3 (37. Ke1 Bxa2 $17) 37... Bxa2 38. Rd4 Nc3 39. Rd6+ (39. Nc4+ $2 Kc5 $19)
39... Kc5 40. Rxf6 Rxe3+ (40... Rxe3+ 41. Kxe3 Nd5+ 42. Kd2 Nxf6 $19) 0-1

[Event "Warsaw"]
[Site "Warsaw"]
[Date "1990.??.??"]
[Round "5"]
[White "Stempin, Pawel"]
[Black "Epishin, Vladimir"]
[Result "1/2-1/2"]
[ECO "D74"]
[WhiteElo "2445"]
[BlackElo "2550"]
[Annotator "Ftacnik,L"]
[PlyCount "65"]
[EventDate "1990.01.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "POL"]
[EventCategory "9"]
[SourceTitle "CBM 017"]
[Source "ChessBase"]
[SourceDate "1990.08.01"]
[SourceVersion "1"]
[SourceVersionDate "1990.08.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d5 6. cxd5 Nxd5 7. O-O Nc6 8.
Nc3 Nxc3 9. bxc3 e5 10. d5 (10. e3 Re8 (10... Be6 11. Ba3 Re8 12. Nd2 Rb8 13.
Re1 f5 {1/4-1/4/Cvitan-Epishin/Warsaw/1990/ -> CBM 17}) 11. Rb1 Rb8 12. Nd2 Na5
13. d5 f5 14. e4 b6 15. c4 Bd7 16. c5 $5 bxc5 17. Ba3 Nb7 $10 {Stangl,M-Wahls,
M/Altensteig/1987/ -> CBM 04}) 10... Na5 11. e4 c6 12. Bg5 f6 13. Be3 b6 14.
Qa4 cxd5 15. exd5 Bd7 (15... Ba6 $6 16. Rfd1 Bc4 17. d6 $36) 16. Qb4 Rc8 17.
Nd2 f5 (17... Qc7 $5 18. Rfc1 Nc4 19. Nxc4 Qxc4 20. Qxc4 Rxc4 21. Bf1 Rc7) 18.
Rac1 Rf7 19. Rfe1 Be8 (19... Bf8 $5 20. Qb2 $13) 20. f4 e4 21. c4 Rfc7 22. Bf1
Bf7 {/\ Bd5} 23. Nb3 Bf8 24. Qb5 Nb7 25. Nd4 Qf6 26. Qb1 Na5 (26... Nd6 27. Nc6
Be8 28. Bd4 Qf7 29. Ne5) 27. Nb5 Rb7 28. Kh1 a6 29. Bd4 Qd8 30. Ba1 Bg7 $8 31.
Bxg7 Kxg7 32. Nd4 Qf6 33. Nb3 $14 {Ftacnik,L} 1/2-1/2

[Event "World Women-ch"]
[Site "Jaen"]
[Date "1996.??.??"]
[Round "13"]
[White "Polgar, Zsuzsa"]
[Black "Xie, Jun"]
[Result "1-0"]
[ECO "D74"]
[WhiteElo "2550"]
[BlackElo "2530"]
[Annotator "Ftacnik,L"]
[PlyCount "47"]
[EventDate "1996.01.??"]
[EventType "match"]
[EventRounds "16"]
[EventCountry "ESP"]
[SourceTitle "CBM 052"]
[Source "ChessBase"]
[SourceDate "1996.06.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.06.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d5 6. cxd5 Nxd5 7. O-O Nc6 8. e4
Nb6 9. d5 Na5 10. Qe1 Nac4 11. Nc3 e6 12. b3 Qf6 (12... Ne5 13. Nxe5 Bxe5 14.
Bb2 (14. Be3 $5) (14. Bh6 Re8 15. Qd2 Bg7 16. Bf4 Bd7 17. a4 e5 18. Bg5 f6 19.
Be3 Nc8 20. a5 Nd6 21. Na4 b6 22. Nc3 Bf8 {1/2-1/2 Steckner,J-Naumann,F/
Hamburg Wichern op (08)/1993/ (60)}) 14... Qe7 $1 15. Rc1 Bd7 16. Qd2 Rad8 17.
Rfd1 Rfe8 18. h4 h5 19. dxe6 Bxe6 20. Nd5 Bxd5 21. exd5 Qd6 22. Bc3 Bxc3 23.
Qxc3 Rd7 {Pigusov,E-Epishin,V/Biel izt/1993/0-1 (63)}) (12... exd5 13. bxc4
dxe4 14. Ng5 Qd3 15. Bb2 $1 (15. Ncxe4 $2 f5 $1 16. Ba3 fxe4 17. Bxf8 Bc3 18.
Bxe4 Qxc4 $17) 15... Nxc4 16. Rd1 $1 $16) (12... Nd6 13. dxe6 Bxe6 14. e5 Nf5
15. Bg5 Qe8 16. Rd1 h6 17. Bf6 Bxf6 18. exf6 Rd8 19. Qe5 Nd7 20. Qf4 Nxf6 21.
g4 Rxd1 22. Rxd1 Nxg4 23. Qxg4 Ne3 24. Qf4 Nxd1 25. Nxd1 Qd8 26. Ne3 g5 27. Qe4
c6 {1/2-1/2 Gutman,L-Wolff,P/New York op/1987/ (46)}) 13. bxc4 Qxc3 14. Qxc3
Bxc3 15. Rb1 Bg7 (15... Nxc4 16. Bh6 Bg7 17. Bxg7 Kxg7 18. dxe6 (18. Rfc1 exd5
19. exd5 Nd6 $1 20. Rxc7 Bf5 $10) 18... Bxe6 (18... fxe6 $6 19. Rfc1 Rxf3 (
19... Na5 20. Rxc7+ Rf7 21. Rxf7+ Kxf7 22. Ng5+ Ke7 23. e5 h6 24. Ne4 Bd7 25.
Nc5 Rb8 26. Rd1 Bc8 {1/2-1/2 Fraschini,M-Saldano,H/Buenos Aires Najdorf op (04)
/1993 (32)}) 20. Bxf3 Nd2 21. Rxc7+ Kg8 22. Rb3 $1 Nxb3 23. axb3 $16) 19. Rxb7
Nb6 20. Rxc7 Rfc8 21. Rxc8 Rxc8 22. Ra1 Rc4 $1 (22... Rc3 23. Nd4 Bc4 24. a4 a5
$1 25. h4 Bd3 26. e5 Rc4 27. Nb3 $1 (27. Nc6 Rc5 $1 {/\ Bc2 =}) 27... Rxa4 28.
Rxa4 Nxa4 29. Nxa5 {1-0 Kortchnoj,V-Kouatly,B/Cannes/1986/ (51)}) 23. a3 Rxe4
24. Ng5 Re5 25. Nxe6+ Rxe6 26. Rc1 Re5 27. Bf3 Ra5 28. Rc3 Na4 $1 29. Re3 Kf6
30. Be2 Nc5 $10 {Pytel,K-San Marco/Evreux/1986/}) (15... exd5 16. cxd5 Re8 17.
Bd2 Bg7 18. Rfe1 f5 19. Nh4 (19. Ng5 fxe4 20. Bxe4 Bh6 21. Rbc1 Bf5 22. Bf3
Rxe1+ 23. Rxe1 Bd7 24. h4 Rf8 25. Bf4 Bxg5 26. hxg5 c6 27. dxc6 Bxc6 28. Bxc6
bxc6 29. Re7 Nd5 30. Rxa7 Nxf4 31. gxf4 Rxf4 {1/2-1/2 Ilic,Z-Ivanov,IV/Saint
John op-1/1988/ (47)}) 19... fxe4 20. Bxe4 Nc4 21. Bf4 Bh3 22. Rbc1 Nd6 23. Bg2
Rxe1+ 24. Rxe1 Bxg2 25. Nxg2 Re8 26. Rc1 Re7 {0-1 Tibensky,R-Konopka,M/Pila 
(05)/1992/ (49)}) (15... c6 16. Bh6 Rd8 17. Rfc1 Na4 18. Rb3 Bb2 19. Rb1 Bh8
20. dxc6 bxc6 21. Bg5 Re8 22. e5 Nc5 23. Ra3 Nd7 24. Nd4 Nxe5 25. Nxc6 {
1-0 Tibensky,R-Rawski,S/Bratislava op (06)/1992/ (41)}) 16. Bf4 c6 (16... Nxc4
17. Rbc1 exd5 18. exd5 Nb6 19. Nd2) 17. dxc6 bxc6 18. Bd6 Re8 19. c5 Nc4 20. e5
Ba6 21. Rfc1 Rec8 (21... Nxd6 22. cxd6 Reb8 23. Rb3) 22. Bf1 Nxe5 (22... Nxd6
23. Bxa6 Ne8 24. Bxc8 Rxc8 25. Rb7) 23. Nxe5 Bxf1 24. Kxf1 1-0

[Event "DEN-ch playoff"]
[Site "Copenhagen"]
[Date "1996.??.??"]
[Round "2"]
[White "Danielsen, Henrik"]
[Black "Nielsen, Peter Heine"]
[Result "0-1"]
[ECO "D74"]
[WhiteElo "2495"]
[BlackElo "2530"]
[Annotator "Ftacnik,L"]
[PlyCount "74"]
[EventDate "1996.10.18"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "DEN"]
[SourceTitle "CBM 056"]
[Source "ChessBase"]
[SourceDate "1997.02.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.02.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d5 5. Bg2 O-O 6. O-O Nc6 7. cxd5 Nxd5 8. e4
Nb6 9. d5 Na5 10. Qe1 {The absence of Nc3 enables immediate attack on the
vulnerable Na5. Die Abwesenheit vom Nc3 ermцglicht den Angriff auf den
exponierten Na5.} Nac4 11. Nc3 e6 12. b3 Ne5 (12... Qf6 13. bxc4 Qxc3 14. Qxc3
Bxc3 15. Rb1 {The development advantage promises better chances for white. Der
Entwicklungsvorsprung verspricht Weiss die besseren Aussichten.} c6 (15... exd5
16. cxd5 Re8 17. Bd2 Bg7 18. Rfe1 f5 19. Nh4 (19. Ng5 fxe4 20. Bxe4 Bh6 21.
Rbc1 Bf5 22. Bf3 Rxe1+ 23. Rxe1 Bd7 24. h4 Rf8 25. Bf4 Bxg5 26. hxg5 c6 {
1/2-1/2 Ilic,Z-Ivanov,IV/Saint John op-1/1988 (47)}) 19... fxe4 20. Bxe4 Nc4
21. Bf4 Bh3 22. Rbc1 Nd6 23. Bg2 Rxe1+ 24. Rxe1 Bxg2 25. Nxg2 Re8 26. Rc1 Re7 {
0-1 Tibensky,R-Konopka,M/Pila (05)/1992 (49)}) (15... Nxc4 16. Bh6 Bg7 17. Bxg7
Kxg7 18. dxe6 (18. Rfc1 exd5 19. exd5 Nd6 20. Nd4 Bd7 21. Rxc7 Rfd8 22. Ne6+
Bxe6 23. dxe6 {1-0 Kuehn,M-Schmider,B/Baden Wuerttemberg-ch (10) 1988 (27)})
18... fxe6 (18... Bxe6 19. Rxb7 Nb6 (19... Nd6 20. Rxc7 Nxe4 21. Nd4 Bf5 22.
Bxe4 Bxe4 23. Ne6+ $16) 20. Rxc7 Rfc8 21. Rxc8 Rxc8 22. Ra1 Rc4 $1 (22... Rc3
23. Nd4 Bc4 24. a4 a5 (24... Nxa4 $6 25. h3 $16) 25. h4 Bd3 26. e5 Rc4 27. Nb3
(27. Nc6 Rc5 $1 {/\ Bc2 =}) 27... Rxa4 28. Rxa4 Nxa4 29. Nxa5 {1-0 Kortschnoj,
V-Kouatly,B/Cannes (01)/1986 (51)}) 23. a3 (23. Nd2 Rd4 24. Nf1 Ra4 25. a3 Nc4)
23... Rxe4 24. Ng5 Re5 25. Nxe6+ Rxe6 26. Rc1 {Pytel,K-San Marco/Evreux/1986/ 
(30)}) 19. Rfc1 Na5 20. Rxc7+ Rf7 21. Rxf7+ Kxf7 22. Ng5+ Ke7 23. e5 h6 24. Ne4
Bd7 25. Nc5 Rb8 {1/2-1/2 Fraschini,M-Saldano,H/Buenos Aires Najdorf op (04)/
1993 (32)}) (15... Bg7 16. Bf4 c6 17. dxc6 bxc6 18. Bd6 Re8 19. c5 Nc4 20. e5
Ba6 21. Rfc1 Rec8 (21... Nxd6 22. cxd6 Reb8 23. Rb3) 22. Bf1 {1-0 Polgar,Z-Xie
Jun (13)/WchW Jaen/1996 (24)}) 16. Bh6 Rd8 17. Rfc1 Na4 18. Rb3 Bb2 19. Rb1 Bh8
20. dxc6 bxc6 21. Bg5 Re8 22. e5 Nc5 23. Ra3 Nd7 24. Nd4 Nxe5 25. Nxc6 Nxc4 26.
Ra4 Nb2 27. Ne7+ Kf8 28. Rb4 a5 29. R4xb2 Bxb2 30. Bxa8 {1-0 Tibensky,R-Rawski,
S/Bratislava op (06)/1992 (41)}) (12... Nd6 13. dxe6 Bxe6 14. e5 Nf5 15. Bg5
Qe8 16. Rd1 h6 17. Bf6 Bxf6 18. exf6 Rd8 19. Qe5 Nd7 20. Qf4 Nxf6 21. g4 Rxd1
22. Rxd1 Nxg4 23. Qxg4 Ne3 24. Qf4 Nxd1 25. Nxd1 Qd8 26. Ne3 {1/2-1/2 Gutman,
L-Wolff,P/New York op/1987 (46)}) (12... exd5 13. bxc4 dxe4 14. Ng5 Qd3 15. Bb2
$1 Nxc4 16. Rd1 $1 $16) 13. Nxe5 Bxe5 14. Bh6 (14. f4 Bg7 15. Ba3 Re8 16. d6
cxd6 17. Rd1 d5 18. Nb5 Bf8 19. Bb2 Bd7 20. Qc3 f6 21. Nd4 Qe7 22. exd5 exd5
23. a4 Rac8 24. Qd3 Qb4 25. f5 g5 26. Ne6 {1-0 Tibensky,R-Knoll,H/Linz Siemens
(02) 1996 (39)}) (14. Bb2 Qe7 $1 15. Rc1 Bd7 16. Qd2 Rad8 17. Rfd1 Rfe8 18. h4
h5 19. dxe6 Bxe6 20. Nd5 Bxd5 21. exd5 Qd6 (21... Bxb2 22. Qxb2 Rd7 23. Qc3
Red8 24. Qa5 $1 $14) 22. Bc3 Bxc3 23. Qxc3 Rd7 {Pigusov,E-Epishin,V/Biel izt 
(07) ;CBM 37 1993/0-1 (63)}) 14... Re8 15. Qd2 exd5 (15... Bg7 16. Bf4 Bd7 17.
a4 e5 18. Bg5 f6 19. Be3 Nc8 20. a5 Nd6 21. Na4 b6 22. Nc3 Bf8 23. Rfc1 Kh8 24.
Bf1 c5 25. dxc6 Bxc6 26. axb6 axb6 27. Rxa8 Qxa8 28. Bxb6 Nxe4 29. Nxe4 Bxe4 {
Steckner,J-Naumann,F/Hamburg Wichern op (08)/1993/1/2-1/2 (60)}) 16. exd5 Bf5
17. Rac1 Nc8 (17... Qd7 $5 18. Rfe1 Rad8 $13) 18. h3 Nd6 19. g4 Bd7 20. f4 Bh8
(20... Bg7 21. Bxg7 Kxg7 22. Rfe1 $14) 21. Bg5 Bf6 22. Bh6 (22. Bxf6 Qxf6 23.
Rfe1 Rxe1+ 24. Rxe1 Re8 $11) 22... Bh8 23. Rf2 $6 {White underestimates the
exposed character of Bh6. Weiss unterschдtzt die exponierte Stellung vom Bh6.}
f6 $1 (23... Qh4 $4 24. Bg5 Qg3 25. Rf3 $18) (23... Qf6 $5 24. Ne2 Rac8 25. Bg5
Qg7 $13) 24. f5 g5 (24... gxf5 25. gxf5 Bxf5 26. Nb5 Nxb5 27. Rxf5 Nd6 28. Rf3
$40) 25. h4 Nf7 26. hxg5 fxg5 27. f6 (27. d6 c6) 27... Bxf6 (27... Nxh6 $2 28.
Qxg5+ $18) 28. Rcf1 (28. Ne4 Rxe4 29. Bxe4 Nxh6 30. d6 c6 $17) 28... Bxc3 29.
Qxc3 Nxh6 30. Rf6 (30. d6 c6 $19) 30... Nxg4 (30... Bb5 $2 31. d6 c6 32. Rxh6
Bxf1 33. Bxf1 $40) 31. Rf7 Ne5 (31... Re5 32. Qd3 Bf5 33. R1xf5 (33. R7xf5 Qd6
$19) 33... Re1+ 34. Bf1 Nh6 35. Rxh7 Nxf5 36. Qxf5 Rxf1+ 37. Kxf1 Qf8 $19) 32.
Be4 Nxf7 33. Bxh7+ Kxh7 (33... Kf8 34. Qh8+ Ke7 35. Qf6+ Kf8 36. Qxf7#) 34.
Rxf7+ Kg6 35. Qg7+ Kh5 36. Kf2 (36. Rxd7 Re1+ 37. Kf2 Qe8 38. Qh7+ Kg4 $19)
36... Bf5 $1 (36... Rf8 $2 37. Qh7+ Kg4 38. Qe4+ Kh5 39. Qh1+ Kg4 40. Qf3+ Kh4
41. Rh7#) (36... Rh8 37. Rxd7 Qf8+ $19) 37. Qa1 (37. Rxf5 Qe7 $19) 37... Qxd5
0-1

[Event "PCA-Wch Candidates m2"]
[Site "New York"]
[Date "1994.??.??"]
[Round "5"]
[White "Romanishin, Oleg M"]
[Black "Anand, Viswanathan"]
[Result "1/2-1/2"]
[ECO "D74"]
[WhiteElo "2585"]
[BlackElo "2715"]
[Annotator "Ftacnik,L"]
[PlyCount "43"]
[EventDate "1994.06.??"]
[EventType "match"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 042"]
[Source "ChessBase"]
[SourceDate "1994.10.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.10.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. e4 O-O 8. O-O
Bg4 9. d5 (9. Be3 Nc4) 9... Qd7 (9... c6 10. h3 Bxf3 11. Qxf3 cxd5 12. exd5 Nc4
13. Qb3 Nd6 14. Re1 $14) 10. Nc3 c6 11. a4 (11. Qb3 Na6 12. Be3 $14) 11... cxd5
12. exd5 Na6 13. a5 Nc4 14. Qb3 Rac8 15. Re1 Rfe8 16. Ng5 Ne5 {/\ Nd3, Nc5} 17.
Na4 $1 Bf5 18. Ne4 Nc4 19. Nac3 Nd6 20. Be3 (20. Nxd6 exd6 21. Be3 Nc5 22. Bxc5
Rxe1+ 23. Rxe1 Rxc5 $15) 20... Bxe4 21. Nxe4 Nxe4 22. Bxe4 (22. Bxe4 Nc5 23.
Bxc5 Rxc5 $10) 1/2-1/2

[Event "GER-ch 73th"]
[Site "Altenkirchen"]
[Date "2001.11.30"]
[Round "1"]
[White "Prusikin, Michael"]
[Black "Dunsbach, Ralf"]
[Result "1-0"]
[ECO "D74"]
[WhiteElo "2506"]
[BlackElo "2320"]
[Annotator "Kortschnoj,V"]
[PlyCount "81"]
[EventDate "2001.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 087"]
[Source "ChessBase"]
[SourceDate "2002.03.21"]
[SourceVersion "1"]
[SourceVersionDate "2002.03.21"]
[SourceQuality "1"]

1. d4 {Ftacnik} Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d5 6. cxd5 Nxd5 7. O-O
Nc6 8. e4 Nb6 9. d5 Na5 10. Qe1 Nac4 11. Nc3 e6 12. b3 Ne5 {More often} (12...
Qf6 {had been played here:} 13. bxc4 Qxc3 14. Qxc3 Bxc3 15. Rb1 Nxc4 ({or} 
15... exd5 16. cxd5 Re8) 16. Bh6 Bg7 17. Bxg7 Kxg7 18. dxe6 c6 {in both cases
+/=.}) 13. Nxe5 Bxe5 14. dxe6 Bxe6 15. Be3 $1 {This move has never been played
- only suggested by some commentators. 15.Bb2 or Bh6 had been applied, but
without big success for white...} Qd3 16. Rc1 Rad8 17. f4 Bd4 {From a
theoretical point of view black should not change his strong bishop, but after
Bf6 e4-e5 wins pawn b7 or after Bg7 f4-f5-f6 is very annoying...} (17... Bg7 {
Ftacnik} 18. e5 c6 19. Ne4 $14) 18. Bxd4 Qxd4+ 19. Rf2 $1 {Played according to
a plan: white king moves to h2, white rooks prepare to seize the d-file.} c6
20. h3 Rfe8 {Ftacnik: 'Black has to be on alert as white kingside majority
could become dangerous. '} (20... f6 $11 {Ftacnik}) 21. Kh2 h5 {This move
further weakens location of the black king. 21...f6 was more solid.} 22. Rd1 (
22. e5 {Ftacnik} Nd5 $13) 22... Qb4 (22... Qc5 {Ftacnik} 23. Rxd8 Rxd8 24. f5
Bc8 (24... gxf5 $2 {Ftacnik} 25. exf5 Bxf5 26. b4 $18) 25. fxg6 fxg6 26. Ne2
Nd7 $11) 23. Rfd2 Qe7 {'?!' Ftacnik.} (23... Rxd2 {Ftacnik} 24. Qxd2 f6 $11) (
23... Qxc3 $2 {Ftacnik} 24. Rxd8 $18) 24. e5 Bf5 25. Ne4 Bxe4 (25... Nd5 {
Ftacnik} 26. Rd4 (26. Rxd5 {Ftacnik} cxd5 27. Nf6+ Qxf6 28. exf6 Rxe1 29. Rxe1
d4 30. Bxb7 d3 $15) 26... Bxe4 27. Bxe4 $14) 26. Qxe4 (26. Bxe4 {Ftacnik} Rxd2+
27. Qxd2 h4 28. Qf2 (28. g4 {Ftacnik} g5 29. Re1 Rd8 $11) 28... Qb4 29. Bf3 $14
) 26... Rxd2 27. Rxd2 Rd8 (27... h4 $5 {Ftacnik} 28. Qd3 Qb4 29. Re2 $14) 28.
Rxd8+ Qxd8 29. f5 {'!' Ftacnik. Ftacnik: 'The knight is misplaced and white
has chances to break the kingside pawn structure.'} gxf5 (29... h4 {Ftacnik}
30. fxg6 hxg3+ 31. Kxg3 Qg5+ 32. Kf3 fxg6 33. h4 $14) (29... Kg7 {Ftacnik} 30.
f6+ Kf8 31. Qb4+ Ke8 32. a4 $14) 30. Qxf5 Qd1 $2 {This move is losing. In
order to save this rather difficult for black endgame I suggest instead} (30...
h4 $5 31. Qg4+ Kf8 32. gxh4 Qe7 (32... Qe8 $14 {Ftacnik}) 33. Qh5 Kg7 34. Qg5+
Kf8 {and then Nd7- black has good drawing chances.}) (30... Qe8 {Ftacnik} 31.
Qg5+ Kf8 32. Qxh5 $16) 31. e6 {'!' Ftacnik. Ftacnik: 'This fine move opens
access to the black pawns on the queenside.'} fxe6 32. Qxe6+ Kf8 33. Qf6+ Ke8
34. Qe5+ Kf7 35. Qb8 $18 Qd7 36. Qxa7 Qc7 37. Qa5 c5 38. h4 Qd6 39. Qa7 Nd7 40.
Qxb7 Kg8 41. Qd5+ 1-0

[Event "Moscow Tal Memorial 5th"]
[Site "Moscow"]
[Date "2010.11.14"]
[Round "9"]
[White "Gelfand, Boris"]
[Black "Mamedyarov, Shakhriyar"]
[Result "1-0"]
[ECO "D74"]
[WhiteElo "2739"]
[BlackElo "2761"]
[Annotator "Marin,M"]
[PlyCount "71"]
[EventDate "2010.11.05"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RUS"]
[EventCategory "21"]
[SourceTitle "CBM 139"]
[Source "ChessBase"]
[SourceDate "2010.11.18"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.18"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Bg7 6. Bg2 Nxc3 {With the
given move order, Black does not need to define the knight's intentions so
soon (as would be the case in the line 1.c4 Nf6 2.Nc3 g6 3.g3 d5 4.cxd5 Nxd5 5.
Bg2). Mamedyarov probably liked the idea to play with active pieces against
the massive white centre.} ({The common line is} 6... O-O 7. O-O Nc6 8. Nxd5 (
8. d4 Nb6 {transposes to a genuine Gruenfeld. For the latest developments in
the line} 9. e3 Re8 {, see the theoretical survey on the Olympiad.}) 8... Qxd5
9. d3 Qb5 10. Rb1 a5 11. b3 a4 {CBM 43-5.g3... 7....Nc6/Opening 1994/CBM 043/
[Ribli]}) 7. bxc3 Nc6 $5 {An original setup, which has been employed already
by Gruenfeld specialists.} ({The more natural} 7... O-O 8. O-O c5 {leaves the
c5-pawn vulnerable.}) 8. O-O O-O 9. d4 Be6 $5 {A truly hyper-modern approach,
which has not been played between strong players so far. We can notice certain
similarities with the Simagin line against the classical main variation: 1.d4
Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 0-0 8.Ne2 Nc6 9.
0-0 b6 10.Be3 Bb7, etc. Black refrains from attacking the d4-pawn at an early
stage of the game, inviting White to commit himself first.} (9... e5 10. e3 (
10. d5 Na5 11. e4 c6 12. Bg5 f6 13. Be3 b6 {Stempin,P (2445)-Epishin,V (2550)/
Warsaw 1990/CBM 017/[Ftacnik] (1/2, 33)}) ({My favourite is} 10. Bg5 Qd6 {
this has been played in a couple of games, in which White released the tension
with either d5 or dxe5. It makes sense to keep the tension with} 11. Rb1 $5
$146 {, because the pressure against d4 is not too real yet:} exd4 12. Bf4 Qd8
13. Nxd4 $14) 10... Be6 11. Nd2 Rb8 12. Qc2 f5 13. Rd1 exd4 14. cxd4 Bd5 15.
Bxd5+ Qxd5 16. Rb1 h5 17. h4 Kh7 18. a4 a6 19. Nb3 $14 {Kotsur,P (2566)
-Rakhmanov,A (2489)/Zvenigorod 2008/EXT 2009 (1-0, 50)}) 10. e4 (10. Qd3 {
has been played in a few games between low rated players.}) 10... Bc4 $146 {
For the time being, Black keeps his knight close to the centre, in order to
maintain the threat of ...e5 alive.} (10... Na5 {Woll-Hasenberg,W/DDR corr
1987/Corr Nr. 1 (1-0, 24)} 11. Re1 {[%cal Gc1f4]}) 11. Re1 Qd7 12. Nd2 Ba6 {
White's space advance is unchallenged, but his development is delayed and not
too natural.} 13. e5 {White finally eliminates the threat of ...e5 and
restricts the g7-bishop even more. On the other hand, the structural
flexibility is somewhat spoiled, allowing Black to orientate his counterplay
better.} Rad8 {Black has a perfect development, but it remains an open
question whether he will be able to make use of it, facing the strong white
centre.} 14. h4 {White aims to weaken the g6-square in order to create the
threat of e5-e6. However, it will soon become clear that the white king's
residence will also be weakened by the advance of the h-pawn. Abstractly
speaking, it would have made sense to look for a way to complete the
development.} (14. Ba3 $5 Nxe5 15. Qb3 $36) (14. Ne4 b6 15. Qa4) 14... b6 {
The similarity with the Simagin system becomes even clearer.} 15. h5 Na5 {
Black gets ready to counterattack with ...c5.} 16. hxg6 (16. e6 {may be
premature:} {Black should not fear any ghosts:} fxe6 (16... Qe8 {is a bit
artifficial:} 17. Ne4 $1 {Maintaining the tension.} (17. exf7+ Qxf7 18. Nf3 e5
$132) 17... h6 18. exf7+ Qxf7 19. hxg6 Qxg6 20. Ba3 c5 21. Qa4 {White has the
more compact structure and the strong knight allows him maintain stability in
the centre.}) 17. hxg6 hxg6 18. Bh3 Rf5 $13 {White can win the exchange, but
this would leave the light squares desperately weak.}) 16... fxg6 $5 {An
interesting decision. Black opens the f-file for his rook and avoids any
future problems based on e5-e6.} 17. Nb3 Nc4 18. Qe2 Qe6 {The position is
rather difficult to play, which partly explains the inaccuracies that follow,
making the evaluation of the position change repeatedly. I assume that both
players were also short of time by this moment.} ({Be it as it may, Black had
everything prepared for the thematic} 18... c5 $5) 19. Bf4 Qf7 $6 ({The
consolidating} 19... c6 {makes some sense, intending to fight for space with ..
.h6 and ...g5, with unclear play. White cannot find a constructive plan easily,
but his centre remains a force to be counted with.}) 20. Nd2 $6 ({There is no
obvious reason to refrain from} 20. e6 Qf5 (20... Qf6 21. Nd2 Nxd2 22. Qxd2 $16
{[%cal Gf4c7]} c5 $2 23. Bg5 $18 {[%cal Gg5e7]}) 21. Bxc7 Rc8 22. Bf4 g5 23.
Be4 Qb5 24. Qh5 $40) 20... Nxd2 21. Qxa6 g5 {This is good enough,} ({but} 21...
Bh6 $5 {would have forced a draw already.} 22. Bxh6 Qxf2+ 23. Kh1 Qxg3 (23...
Rf5 24. Qe2 Rh5+ 25. Qxh5 gxh5 26. Be3 Qxg3 27. Bxd2 $14) 24. Bxf8 Nf3 25. Bxf3
Qxf3+) 22. Be3 g4 (22... Nf3+ 23. Bxf3 Qxf3 24. Qc4+ Kh8 25. Qxc7 $16) 23. Bf4
$6 (23. Qb7 {was essential to maintain equality:} Bh6 24. e6 $1 (24. Bxh6 $2
Qxf2+ 25. Kh1 Rf5 $19) 24... Qf6 25. Bxh6 Qxf2+ 26. Kh1 Qxg3 (26... Rf5 $2 27.
Re5 $1 $18) 27. Bxd2 (27. Bxf8 Rxf8 {[%cal Gd2f3]} 28. Re2 Qh4+ 29. Kg1 Nf3+
30. Bxf3 gxf3 $40) 27... Qh4+ 28. Kg1 $11 {Black probably has to take a draw
by perpetual.} g3 $6 {is parried by} 29. Bh3 $1) 23... Nf3+ $2 {Closing the
f-file without getting to create threats on the g2-square.} (23... Bh6 $1 $40
24. Qe2 (24. Bxh6 $2 Qxf2+ 25. Kh1 Rf5 $19 {In this line,} 26. Qe2 {does not
cover h5 anymore.}) 24... Nf3+ 25. Bxf3 gxf3 26. Qxf3 Bxf4 27. Qxf4 Qxf4 28.
gxf4 Rxf4 $17 {[%cal Gg8d5,Gd8f8,Gc7c5] Black has the more active rooks and
better possibilities for centralizing the king, while the white centre is
vulnerable.}) 24. Bxf3 gxf3 25. Qd3 $16 Qh5 26. Re3 c5 27. Rxf3 cxd4 28. cxd4
Bh6 {Too late. The f4-square is well defended.} 29. Kg2 Bxf4 30. gxf4 Qf5 31.
Rd1 Kh8 32. Qxf5 Rxf5 33. d5 b5 34. Rd4 a5 35. Rc3 Rdf8 36. Rc7 1-0

[Event "Olympiad-41"]
[Site "Tromsoe"]
[Date "2014.08.12"]
[Round "10.3"]
[White "Michalik, Peter"]
[Black "Mekhitarian, Krikor Sevag"]
[Result "1/2-1/2"]
[ECO "D74"]
[WhiteElo "2586"]
[BlackElo "2568"]
[Annotator "Mekhitarian,K"]
[PlyCount "125"]
[EventDate "2014.08.02"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "NOR"]
[SourceTitle "CBM 162"]
[Source "ChessBase"]
[SourceDate "2014.09.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.09.17"]
[SourceQuality "1"]
[WhiteTeam "Slovakia"]
[BlackTeam "Brazil"]
[WhiteTeamCountry "SVK"]
[BlackTeamCountry "BRA"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 O-O (6... Nb6 {
is the normal move, and considered to be the most precise} 7. O-O Nc6 {by
attacking the d4-P right away, Black limits White's choices (as shown in the
8th move analysis)} 8. e3 O-O 9. Nc3 {going into the main theory nowadays. I
had something in mind when playing 6...O-O.}) 7. O-O Nc6 8. Nc3 (8. e4 {
would be a different way to handle the position} Nb6 9. d5 Na5 10. Nc3 (10. Qe1
$5 Nac4 11. Nc3 $13) 10... c6 {going into another line, where White has the
option between Bf4 (the main move), Re1 or Bg5, all leading to complicated
positions.}) 8... e5 $5 {Almost a novelty, this fresh move had been seen in
only 6 games so far (now 7!), in this well-known and fashionable variation of
the Grьnfeld. It's a concrete idea, forcing White to make serious decisions
already.} 9. Bg5 (9. Nxd5 {could be the critical} e4 $1 {the key} 10. Ne5 Qxd5
11. Nxc6 Qxc6 12. Bf4 (12. d5 $5 {opening the dangerous a1-h8 diagonal to
attack the e4-P, but it looks wrong to me}) 12... Bg4 13. h3 (13. Rc1 $5) 13...
Be6 14. e3 Qd7 15. h4 f5 16. Qc2 c6 $11 {1/2-1/2 (36) Mason,I (2205)-Doren,D 
(2168) ICCF 2011. was seen in a correspondence game, when Black is supposed to
be fine.}) (9. Qb3 $5 Nxc3 10. bxc3 exd4 11. Rd1 $44) (9. Nxe5 {just exchanges
everything into an equal position:} Nxc3 10. Nxc6 Nxd1 11. Nxd8 Rxd8 (11...
Nxf2 $5) 12. Rxd1 Rxd4 13. Be3 Rxd1+ 14. Rxd1 Bf6 $11 {followed by c6 and Be6.}
) 9... f6 10. Bd2 Nxc3 11. Bxc3 {Too modest.} (11. bxc3 $5 {this P sacrifice
also has to be considered as an option for White.}) 11... e4 12. Nd2 f5 {
This is one of the positions I was happily expecting from my preparations.} 13.
Qb3+ Kh8 (13... Rf7 $5 {would be similar} 14. e3 Ne7 {I thought that maybe f3
could be playable here} 15. f3 Nd5 16. Rae1 exf3 17. Nxf3 $13 {apparently
Black is fine after ...c6, but this seemed somewhat scary to allow. That's why
I felt 13...Kh8 was simpler.}) 14. e3 (14. d5 {I didn't remember all my
analysis, so this move got me thinking during the game, but White does not get
much after:} Nd4 15. Qd1 c5 (15... Qxd5 $4 {loses a piece} 16. Nb3 c5 17. e3
$18) 16. e3 (16. Nb3 Nxb3 17. axb3 b6 $13) 16... Nb5 17. Bxg7+ Kxg7 18. Qb3 Bd7
{looks ok for Black, Nd6, b6, Qf6, possibly looking for an advantage with a
Q-side expansion.}) 14... Ne7 15. Bb4 Re8 16. Nc4 Be6 17. Qc2 Nd5 $11 {Black
has to be perfectly fine and already looking for an advantage.} 18. Bd2 Qe7 (
18... b6 $5 {was also possible, trying to play c5 at any cost} 19. b4 c5 20.
bxc5 Rc8 21. Rac1 bxc5 $36 {and with the g2-B left out of play for now, this
could already be good for Black.}) 19. Na5 c6 {I was tempted to go for the
interesting 19...Nb4, but keeping the position like this and aiming for a
K-side expansion is better.} (19... Nb4 $5 {was my initial plan, but then I
couldn't find the right continuation 20.Qa4 and 21.Nxb7} 20. Qa4 $6 (20. Bxb4
$1 Qxb4 21. Nb3 (21. Qc3 Qxc3 22. bxc3 b6 23. Nb3 c5 $15 {looking nice with
the B-pair and a potential P majority on the Q-side}) 21... b6 {threatening a5
or simply c5 to open up the position} 22. Qxc7 $1 {forced to avoid a bad
position} (22. Rac1 $6 a5 23. Rfd1 a4 24. Nd2 Bxa2 $17) 22... Re7 23. Qc1 Rc8
24. Qe1 Qxe1 25. Rfxe1 Rec7 $44 {but naturally, the game continuation offers
Black a lot more winning chances.}) 20... Nd3 21. Nxb7 Reb8 $1 {an important
move I missed, now White is not able to place his N on c5} 22. Na5 (22. Nc5
Nxc5 23. dxc5 Rxb2 $17) 22... c5 23. Bc3 cxd4 24. Bxd4 Nxb2 25. Bxg7+ Qxg7 26.
Qa3 Rb6 $15 {with good play on the Q-side.}) 20. a3 Rac8 21. b4 Qf7 (21... h5
$1 {was more to the point} 22. h4 {allowing 22...h4 probably wouldn't be wise
for White. But with 22.h4, there's a strong potentital break with g5 or even f4
} Nf6 $1 23. Rfc1 (23. Qc5 $4 {loses a piece} b6 $19) 23... Qd7 {this is
better than Qf7, because it guards the d6-square (otherwise Nc4 could be
played with tempo)} (23... Ng4 $6 24. Qc5 $1 $11 {exchanging Qs would be good
for White, since there is a real danger against his K}) 24. a4 Bd5 {followed
by Ng4 and Black's attack is clearly getting there sooner} 25. Nb3 Ng4 $40) 22.
Rfc1 Nb6 23. Bf1 Red8 24. Rab1 Ba2 $4 (24... Bd5 {was my intended move, but I
thought forcing his R to b2 would be an improvement for me. I was right about
that, but miscalculated something very simple} 25. Nb3 Nd7 26. Nc5 Nxc5 $5 (
26... Nf6 27. a4 b6 28. Na6 Ne8 $13 {heading to d6}) 27. bxc5 $13 {Black could
triple on the 2nd rank (yes, rank!) to defend b7 (with Rd7, Re7, Qf7), and
then think about h5, g5 again maybe?}) 25. Rb2 $4 (25. Nxb7 $1 {I totally
forgot the intermediate Nxd8 move} Bxb1 26. Nxd8 $18 {forcing me to resign in
a few moves, being a P down and with the whole structure ruined. What an ice
bucket that would be!}) 25... Bd5 {Now we're talking!} 26. Nb3 Na4 27. Rbb1 b5
{I really liked my chances here, since the Q-side is completely locked, and my
K-side could finally start to march forward!} 28. Nc5 Nxc5 29. Qxc5 (29. bxc5
$15 {wouldn't change much and it could be even worse, because in order to open
up the Q-side, White needs to play a4 and axb5, giving Black a defended passed
P on b5} g5 30. a4 a6 31. axb5 axb5 32. Ra1) 29... Bf8 30. Qc2 Bd6 {The
problem with 29.Qxc5 is that I was able to quickly place my B on the strong
b8-h2 diagonal.} 31. Qd1 Rc7 (31... h5 $1 {was a better way to start the plan,
by trying to place the P on h4, and then possibly doubling on the h-file, or
also coming up with g5-f4.} 32. a4 (32. h4 $2 {White can't play this, because
g5 is just winning, the attack is deadly:} g5 $1 33. hxg5 Rg8 $19 {with a
simple Rxg5 and h4 to come}) 32... a6 33. Ra1 h4 34. axb5 axb5 35. Ra6 {
something like this could be the best chance, so Black doesn't have all the
freedom in the world to attack} hxg3 36. hxg3 Qe7 $17 {followed by Kg7, Rh8.
Black has the b4 target, as well as the h-file to create something.}) 32. Bg2
Re8 33. f3 $5 {It's hard to give advice to White here, but I felt during the
game that this was very bad and just helps me a lot because of the new central
weaknesses. That's not entirely true, since White starts to attack the c6-P
and with that, is able to defend against my strong h5-h4 plan.} exf3 (33... Qe6
$5 34. fxe4 fxe4 $15 {was playable, trying to stick with the h5 plan, and now
make use of the f-file. On the other hand, this new file also helps White
defend.}) 34. Bxf3 h5 (34... Re4 {is not so strong right away} 35. Bxe4 Bxe4
36. d5 $1 {and White finds quick counterplay} Bxb1 37. Bc3+ Kg8 38. Qd4 $132)
35. Qf1 $6 (35. Bxd5 $1 Qxd5 36. Qb3 {was urgent! With the Qs off, White at
least has a clear target on c6 to attack. And it's funny, now the white Q
simply starts to chase the black one.} Qe4 37. Qc2 Qe6 38. Qb3 Qe4 39. Qc2 Qd5
(39... Qe7 $5 40. Rb3 h4 41. Be1 $13 {trying to hold on}) 40. Qb3 Ree7 $5 {
the endgame is an interesting alternative} 41. Rb2 $1 (41. Qxd5 cxd5 $15 {
and Black will try something}) 41... Kg7 42. Qxd5 cxd5 43. Rxc7 Rxc7 44. a4 $1
{the point of Rc2, now Black can't play Rc2} bxa4 45. Ra2 a6 46. Rxa4 $11 {
and White will be fine after Ra5, Kf1-Ke2, etc.}) 35... Bxf3 (35... Re4 $5 {
was an interesting try. If White does not take, then h4 is coming soon with
full power. And the c6-P is not a problem anymore, since the B on d5 will now
defend it. White's only chance is to play a4 quickly and look for counterplay.}
36. a4 $1 (36. Bxe4 $2 Bxe4 {now White is condemned to passivity} 37. Be1 (37.
Bc3 Qe7 {keeping an eye on e3} 38. d5+ Kg8 39. Bd4 Bxd5 $17) 37... Bd5 $36 {
wanting to play Qe7-Qe4 or Qe7-Qg5 followed by Re7 and h4, with huge pressure})
36... a6 37. axb5 axb5 38. Bxe4 Bxe4 39. Ra1 $13 {looks complex.}) 36. Qxf3 Re4
37. Be1 Qd5 38. Rc3 $1 {A good defensive move, stopping the Rxd4 threat, and
also preparing to double on the c-file soon.} h4 39. Rb2 Kg8 40. gxh4 $1 {
White finds a nice way to release the pressure, and kind of force me into the
following balanced edgame:} Rg4+ 41. Kf2 Rxh4 42. Qxd5+ cxd5 43. Rxc7 $1 {
this is the trick, now taking on h2 wouldn't be good:} Bxc7 (43... Rxh2+ $6 44.
Kg1 $1 Rxb2 45. Rxa7 $13) 44. Kg1 {By attacking the R, White has enough time
to seek counterplay on the c-file.} Rg4+ (44... Rh3 45. Rc2 $1 {this is the
point, White is not accepting a passive position - the counterplay along the
c-file is very annoying} Rxe3 46. Bf2 Re7 47. Rc5 $11) 45. Kf1 Kf7 46. Rc2 Bd6
47. h3 Re4 48. Rc6 Re6 49. Bf2 (49. Ra6 $2 Bb8 50. Rxe6 Kxe6 $17 {looks close
to winning for Black already.}) 49... g5 {Black's structure is very good, but
White's active R compensates for everything. In fact, I have to be careful not
to lose any of my Q-side Ps.} 50. Kg2 Ke7 51. a4 $11 {This liquidates
everything.} (51. Rc8 {here I was planning to sacrifice a P with:} f4 $5 52.
exf4 Bxf4 53. Rc5 a6 54. Rxd5 Re2 $132 {and suddenly White's R is badly placed}
(54... Bc1 $5)) 51... bxa4 52. Ra6 Bxb4 53. Rxa7+ Kf6 54. Rxa4 Rb6 55. Bg3 Bd2
56. Ra3 f4 57. exf4 gxf4 58. Bf2 Kf5 59. Kf3 Rc6 60. Rb3 Rc3+ 61. Rxc3 Bxc3 62.
Bg1 Bb2 63. Bh2 1/2-1/2

[Event "Astrakhan FIDE GP"]
[Site "Astrakhan"]
[Date "2010.05.11"]
[Round "2"]
[White "Gelfand, Boris"]
[Black "Mamedyarov, Shakhriyar"]
[Result "1-0"]
[ECO "D74"]
[WhiteElo "2741"]
[BlackElo "2763"]
[Annotator "Minzer,C"]
[PlyCount "77"]
[EventDate "2010.05.10"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "RUS"]
[EventCategory "20"]
[SourceTitle "CBM 137"]
[Source "ChessBase"]
[SourceDate "2010.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

{Gran partida posicional de Gelfand con sacrificio de peуn. Para esta partida
preparу un Sistema Anti-Grьnfeld empezando por la Apertura Inglesa y
postergando el movimiento d2-d4.} 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5.
g3 {Mamedyarov tambiйn se ha tenido que enfrentar a:} (5. h4 h5 6. e4 Nxc3 7.
bxc3 Bg7 8. d4 {Una Defensa Grьnfeld con los movimientos de los peones h
avanzados} c5 9. Be3 Nc6 10. Qd2 Bg4 ({con los peones h en su casilla de
origen lo mбs jugado es} 10... Qa5) 11. d5 Qa5 12. Rc1 Rd8 (12... Bxf3 13. gxf3
(13. dxc6 $2 Bxe4 $17) 13... Ne5 14. Be2 O-O-O $5 $13) 13. Ng5 O-O 14. f3 Bc8
15. Bc4 e6 16. Bb3 exd5 17. Bxd5 c4 $13 {Morozevich,A-Mamedyarov,S/Moscъ 2007 
(tablas en 69 movimientos)}) 5... Bg7 6. Bg2 O-O 7. O-O Nc6 8. d4 {Diagrama #
De esta forma se traspone a la Variante del Fianchetto de la Defensa Grьnfeld.}
({El aсo pasado en Kramnik,V-Mamedyarov,S Baku 2009 las blancas prefirieron
seguir por los caminos de la Apertura Inglesa con:} 8. Qa4 Nb6 9. Qh4 e5 10.
Qxd8 Rxd8 11. d3 Nd4 12. Bg5 ({o} 12. Nxd4 exd4 13. Nb5 c6 14. Nc7 Rb8 15. Bf4
{aunque es arriesgado colocar el caballo en c7 sin escapatoria posible}) 12...
f6 13. Bd2 Bg4 14. Nxd4 exd4 15. Ne4 Bxe2 16. Rfe1 Bxd3 17. Nc5 {con
compensaciуn} Bc2 18. Nxb7 Nc4 19. Bf4 d3 20. Re7 Rd4 $2 (20... d2) 21. Rxc7 g5
22. Be3 Nxe3 23. fxe3 $16 Rdd8 24. Nxd8 Rxd8 25. Be4 Re8 26. Bd5+ Kh8 27. Bb3 {
1-0 Kramnik,V-Mamedyarov,S/Baku 2009}) 8... Bf5 ({Lo tradicional es la
retirada del caballo al flanco dama} 8... Nb6) 9. Ne1 $5 $146 {Diagrama #
Novedad aunque la idea de intentar e2-e4 se ha realizado de diferentes maneras,
veamos:} (9. Re1 {las blancas no sacaron ventaja con esta jugada} Nxc3 10. bxc3
Qd7 11. e4 Bg4 12. Qb3 b6 13. Qd5 Rfd8 14. Qxd7 Bxd7 15. e5 Na5 16. Ba3 c5 $1
$11 {1/2-1/2 Meier,G-Vachier Lagrave,M/Marseille FRA 2010} 17. dxc5 $140 Nc4
$132) (9. Nh4 Be6 10. e4 Nxc3 11. bxc3 Na5 12. e5 Bd5 13. Bxd5 Qxd5 14. Ba3
Rfe8 15. Ng2 Nc4 16. Ne3 Nxe3 17. fxe3 $11 f6 18. Qd3 fxe5 19. e4 Qd7 20. d5 e6
{1/2-1/2 Zhou Jianchao-Vachier Lagrave,M/Moscъ RUS 2010}) (9. e3 Nxc3 10. bxc3
Be4 $11 {Ni Hua-Yang Kaiqi/Olongapo City PHI 2010}) ({Una idea parecida se
jugу en Keene Raymond-Miles,A/Londres 1973} 9. Nd2 {y seguramente haya servido
de inspiraciуn a Gelfand:} Nxc3 10. bxc3 e5 11. d5 Ne7 12. e4 Bd7 13. Qb3 b6
14. Nc4 b5 15. Ne3 c5 16. dxc6 Bxc6 17. Ba3 Re8 18. Rfd1 Qb6 19. c4 bxc4 20.
Nxc4 Qxb3 21. axb3 $16 {en esta posiciуn casi simйtrica las piezas blancas
estбn mejor colocadas} Nc8 22. Bc5 Bf8 23. Bxf8 Kxf8 24. Ra5 Rb8 25. Nxe5 Bb5
26. Rd5 a6 27. Bf1 Bxf1 28. Nd7+ Kg7 29. Nxb8 Nb6 30. Rd6 {1-0}) 9... Be6 10.
e3 ({Con el alfil en e6 las blancas no deben expandirse en el centro, por
ejemplo:} 10. e4 $6 Nxc3 11. bxc3 Bc4 12. Nd3 Nxd4 $1 13. cxd4 Qxd4 14. Nb2 $8
Bxf1 {y las negras tienen una buena partida mientras las piezas blancas no
están bien ubicadas.}) 10... Nxc3 11. bxc3 Bd5 12. Bxd5 Qxd5 13. Qb3 {
Diagrama # Gelfand apunta al final confiando en la entrada del caballo vнa d3
y, especialmente "mirando" el flanco dama.} Rfd8 14. Nd3 ({Fracasa} 14. Qxb7 $2
Nxd4 15. Qxd5 {debido a la jugada intermedia} Ne2+ 16. Kg2 Rxd5 $17) 14... b6
15. Qxd5 Rxd5 16. c4 Ra5 {Mamedyarov podнa haber retirado su torre por la
columna d pero decide jugar en forma ambiciosa atacando el peуn de a2. El
problema es que estб pieza puede quedar fuera de juego como mбs tarde
demostrarб Gelfand en forma magistral.} 17. a4 e5 18. Bd2 Ra6 {La torre en a6
no luce nada bien.} 19. f4 $5 {Diagrama # El blanco quiere mantener el juego
cerrado para mejorar sus piezas mientras la torre negra continъa en a6, aunque
esto cueste la pйrdida de un peуn.} exd4 20. e4 Bf8 21. Kf2 {El rey se dirige
al centro tanto como para defender el peуn de e4 como para activarse. De esta
forma Gelfand acumula otra ventaja.} f6 22. Rfb1 Nd8 23. Kf3 Nb7 24. e5 {
Dando paso al rey mientras se genera un peуn pasado.} fxe5 $143 (24... f5 {
era una alternativa limitando las aspiraciones del rey contrario.}) ({o} 24...
Nc5 25. Nxc5 bxc5 26. exf6 $44 {las negras estropean su estructura a cambio de
liberar a la torre.}) 25. fxe5 Re8 26. Re1 Na5 27. Bxa5 {Diagrama # Este
caballo negro era muy molesto, ahora la torre negra cobra alguna vida. Gelfand
tiene un gran dominio de las casillas blancas y, por sobre todo, un rey
fuertemente centralizado.} Rxa5 28. Ke4 Bg7 ({Mejor} 28... Bb4 $5 29. Re2 (29.
Nxb4 $4 Raxe5+ $19) 29... Bc3 30. Raa2 Kf7 31. Rf2+ Ke7 32. Rf6 {con
compensaciуn.}) 29. Kxd4 {Diagrama # Gelfand recupera el peуn. Las negras
deben hacer "algo" con su torre de a5 debido a que la presiуn sobre el peуn de
e5 no es suficiente.} a6 30. Ra2 b5 31. c5 $1 Rd8+ ({Con la simplificaciуn} 
31... Rxa4+ 32. Rxa4 bxa4 33. Ra1 $16 {se hace más notorio la mejor
ubicación del rey blanco.}) 32. Ke4 Bf8 33. Rea1 $1 {Obligando a tomar una
decisiуn. Gelfand juega de forma muy precisa esta etapa de la partida.} b4 34.
Rc2 b3 35. Rc4 $1 {Diagrama # Mamedyarov no ha podido revertir lo que se veía
desde hace unas jugadas atrás, la torre negra ha vuelto a quedarse encerrada
en a5.} Rb8 36. Rb1 Kf7 37. Kd4 $19 {El rey se dirige a cooperar en la captura
del peón negro mientras el rey contrario llega tarde a los acontecimientos.}
Ke6 38. Kc3 Kd5 $2 {Pierde inmediatamente, de todas formas las negras no iban
a poder resistir mucho tiempo.} 39. Nb4+ {Buena partida de Gelfand mostrando
la estrategia a seguir contra una pieza fuera de juego.} (39. Nb4+ Rxb4 (39...
Ke6 40. Nc6) 40. Rd1+ $1 Kc6 41. Kxb4 Rxc5 42. Rxc5+ Bxc5+ 43. Kxb3 $18) 1-0

[Event "Plancoet op-A 10th"]
[Site "Plancoet"]
[Date "2013.07.29"]
[Round "2"]
[White "Jianu, Vlad Cristian"]
[Black "Tugui, Adrian"]
[Result "1-0"]
[ECO "D74"]
[WhiteElo "2560"]
[BlackElo "2387"]
[Annotator "RR"]
[PlyCount "101"]
[EventDate "2013.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 Nf6 2. c4 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Bg7 6. d4 {Transposant d'une
anglaise vers une Grunfeld} O-O 7. O-O Nc6 8. Nc3 Be6 (8... Bf5 9. Ne1 Be6 10.
e3 Nxc3 11. bxc3 Bd5 12. Bxd5 Qxd5 13. Qb3 Rfd8 14. Nd3 b6 15. Qxd5 Rxd5 16. c4
Ra5 17. a4 e5 18. Bd2 Ra6 19. f4 exd4 20. e4 Bf8 21. Kf2 f6 22. Rfb1 Nd8 23.
Kf3 {Gelfand,B (2741)-Mamedyarov,S (2763) Astrakhan 2010 1-0 (39)}) (8... Nb6 {
La grande ligne} 9. e3 (9. d5)) 9. e3 $146 (9. Ne4 Qc8 10. Nfg5 Bg4 11. h3 Bf5
12. g4 Bxe4 13. Bxe4 e6 14. e3 h6 15. Nf3 Nce7 16. Bd2 h5 17. Ne5 hxg4 18. hxg4
Qd8 19. Nd3 c6 20. Bg2 Nc8 21. g5 Nd6 22. Rc1 Nb6 23. Qg4 Nbc4 {Flesch,
J-Besztercsenyi,T Hungary 1966 1-0 (48)}) (9. e4 Nxc3 10. bxc3 Bc4 11. Re1 e5
12. d5 Ne7 13. Nd2 Ba6 14. c4 Re8 15. c5 Qd7 16. a4 Rad8 17. Qb3 Nc8 18. Nc4 c6
19. Bg5 f6 20. Be3 Qf7 21. Rab1 Rd7 22. Na5 cxd5 23. exd5 f5 {Itkis,B (2450)
-Pasarelu,D (2305) Bucharest 1992 1-0 (31)}) 9... Nxc3 10. bxc3 Na5 {[%csl Rc4]
} 11. Nd2 Rc8 $6 (11... c5 $5 {Semble davantage dans l'esprit de cette
défense active}) 12. Nb3 c6 (12... Nc4 13. Nc5 {[%csl Rb7,Re6]}) 13. e4 Bc4
14. Re1 e5 15. Ba3 Re8 16. Bb4 Nxb3 $2 17. axb3 Ba6 {[%csl Ra6] Le Ba6 est
hors-jeu et les pièces Noires manquent d'activité} 18. Bc5 (18. d5 cxd5 19.
exd5 $36 {[%csl Gd5][%cal Gc3c4,Gg2b7]}) (18. Bh3 {[%csl Rc8]}) 18... exd4 19.
cxd4 Bb5 20. e5 (20. Rxa7 $2 b6 {[%csl Rd4]}) 20... a6 21. Qf3 (21. Bh3 $5 Rb8
{[%cal Gb7b6]} 22. Qf3 b6 23. Bd6 Ra8 24. d5 $36) 21... b6 22. Bd6 {[%cal
Gg2h3]} Qd7 23. h4 Bf8 $6 {[%csl Rg7]} 24. Bxf8 Rxf8 25. Rad1 {[%cal Gd4d5]} (
25. h5 {[%cal Gh5h6,Gf3f6]}) 25... Rcd8 26. h5 Qf5 27. hxg6 (27. Qxf5 gxf5 28.
Bh3 Rd5 29. Bxf5 Rfd8 30. Re4 c5 31. h6 {[%csl Rg8,Rh7]} Rxd4 32. Rg4+ $1 Kh8
33. Rgxd4 cxd4 34. f4 $16 {[%csl Rd4][%cal Gg1f2]}) 27... hxg6 28. Qxf5 gxf5
29. f4 (29. Bh3 Rd5 30. Bxf5 Rfd8) 29... f6 30. Kf2 Rfe8 (30... Kf7 $142 {
[%cal Gf7e6,Gf7f6] La centralisation ne pouvait être mauvaise}) 31. Bh3 fxe5
32. fxe5 $5 {[%cal Gf2e3,Ge3f4]} (32. dxe5 {Plus naturel mais la reprise fe5
ouvre un boulevard pour le K Blanc}) 32... Rd5 33. Bxf5 c5 34. Ke3 cxd4+ 35.
Kf4 {[%csl Ge5][%cal Gg3g4]} d3 $13 36. Rd2 Kg7 37. g4 a5 38. Rh2 (38. Rh1 {
[%cal Gh1h7]} Rdxe5 39. Rdh2 $44 {[%csl Rg7][%cal Gh2h7,Gh1h6] Le K Noir est
exposé mais il ne faut pas négliger le P passé "d3" et la position est peu
claire.}) 38... d2 39. Rd1 Rd4+ 40. Kg5 $1 {[%csl Rg7][%cal Gh2h7]} Rxe5 41.
Rdxd2 (41. Rh7+ Kg8 42. Rdh1 d1=Q 43. Rh8+ Kg7 44. R1h7#) 41... Rxd2 42. Rxd2
a4 43. bxa4 Bxa4 44. Rd6 Be8 45. Rxb6 Re7 46. Rh6 Bf7 47. Rh7+ Kg8 48. Kf6 {
[%csl Gf6,Rg8] La différence d'activité entre les deux K va faire la
différence} Rb7 $4 (48... Ra7 49. Rg7+ Kh8 (49... Kf8 $2 {Retombe sur le gain
de la partie}) 50. Rxf7 (50. Be6 Bxe6 51. Rxa7 Bxg4 {Le gain dans cette finale
R contre B n'est pas tourjours facile à réaliser et c'était probablement la
meilleure chance pratique pour les Noirs}) 50... Rxf7+ 51. Kxf7 {Pat!}) 49.
Rg7+ Kf8 50. Be6 Ra7 51. g5 1-0

[Event "POL-ch 53rd"]
[Site "Brzeg Dolny"]
[Date "1996.??.??"]
[Round "2"]
[White "Markowski, Tomasz"]
[Black "Kempinski, Robert"]
[Result "1/2-1/2"]
[ECO "D74"]
[WhiteElo "2535"]
[BlackElo "2475"]
[Annotator "Ribli,Z"]
[PlyCount "77"]
[EventDate "1996.03.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "POL"]
[EventCategory "9"]
[SourceTitle "CBM 053"]
[Source "ChessBase"]
[SourceDate "1996.08.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.08.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. c4 Bg7 5. cxd5 O-O 6. O-O Qxd5 $6 $146 {
Schwarz will seinen Gegner ueberraschen, aber dieser Zug fuehrt nur zum
Tempoverlust.} (6... Nxd5 $5) 7. Nc3 Qh5 8. d4 (8. d3 $5) 8... c5 (8... Bh3 9.
Qb3 $14) 9. dxc5 (9. d5 $5 {Nicht einfach fuer Schwarz seine Entwicklung zu
beenden.} Rd8 10. Qb3 $1 Nxd5 $2 11. Rd1 (11. Ng5 $5 {>< f7}) 11... e6 (11...
Be6 12. e4 $18) 12. e4 $18) 9... Nc6 10. Qa4 Qxc5 11. Be3 $6 (11. h3 $5 {
/\ Be3 und dann findet die schwarze Dame nur unguenstigen Platz.} Qh5 $2 12.
Ng5 $1 $16) 11... Qh5 $5 12. Rfd1 h6 (12... Ng4 $6 13. Bd2 Nce5 14. h3 $1 Nxf3+
15. exf3 Ne5 (15... Nf6 16. g4 Qh4 17. Bf4 $16) 16. g4 Qh4 17. Bf4 $16) 13. Qb5
(13. Rac1 $5) 13... e5 14. Nd5 a6 15. Qb6 Rb8 16. Nxf6+ Bxf6 17. Bc5 Re8 18.
Bd6 Ra8 19. Rd5 Qg4 {Langsam aber sicher hat Weiss seinen Vorteil verspielt.}
20. Rad1 e4 21. h3 Qe6 22. Nh2 Ne7 $1 $13 23. R5d2 Nf5 24. Ng4 Bg7 25. Bc5 Qxb6
26. Bxb6 h5 27. Ne3 Nxe3 28. Bxe3 Bf5 29. Bd4 Bh6 30. e3 Rac8 31. Bf6 Bg7 32.
Bxg7 Kxg7 33. Bf1 Be6 34. b3 Rc3 35. Rd4 Rc2 36. Rxe4 (36. R1d2 Rec8 $13) 36...
Rxa2 37. Bc4 b5 38. Bxe6 Rxe6 39. Rxe6 {Weiss sollte in der Eroeffnung viel
agressiever spielen. Ribli} 1/2-1/2

[Event "Interzonal-16"]
[Site "Biel"]
[Date "1993.??.??"]
[Round "7"]
[White "Pigusov, Evgeny"]
[Black "Epishin, Vladimir"]
[Result "0-1"]
[ECO "D74"]
[WhiteElo "2585"]
[BlackElo "2655"]
[Annotator "Ribli,Z"]
[PlyCount "126"]
[EventDate "1993.07.16"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "CBM 037"]
[Source "ChessBase"]
[SourceDate "1993.12.01"]
[SourceVersion "1"]
[SourceVersionDate "1993.12.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d5 6. cxd5 Nxd5 7. O-O Nc6 8. e4
Nb6 9. d5 Na5 10. Qe1 Nac4 11. Nc3 e6 12. b3 Ne5 $5 (12... Qf6) 13. Nxe5 Bxe5
14. Bb2 (14. Be3 $5) 14... Qe7 $1 15. Rc1 Bd7 16. Qd2 Rad8 17. Rfd1 Rfe8 18. h4
h5 19. dxe6 Bxe6 20. Nd5 Bxd5 21. exd5 Qd6 (21... Bxb2 22. Qxb2 Rd7 23. Qc3
Red8 24. Qa5 $1 $14) 22. Bc3 Bxc3 23. Qxc3 Rd7 24. a4 Re5 25. Re1 Rxe1+ 26.
Rxe1 Re7 $2 (26... Rd8 $10) 27. Rxe7 Qxe7 28. d6 Qxd6 (28... cxd6 29. a5 Nd7
30. Qc8+ Kg7 31. Qxb7 Qe1+ 32. Bf1 Ne5 33. Qd5 $14) 29. Bxb7 {(.)} Nd7 30. Kg2
Nc5 31. Bf3 Ne6 32. b4 Nd4 33. Be4 Qe5 34. Bb7 Qd6 35. b5 Ne6 36. Qc4 Qc5 37.
Qe4 Kg7 38. Bd5 Kf6 39. Bb7 Qe5 40. Qc4 Qc5 41. Qd3 Qb4 (41... Qd4 $2 42. Qxd4+
Nxd4 43. Bd5 $16) 42. Qd1 Ke7 43. Bd5 Qd4 $5 (43... Kf6 $10) 44. Qxd4 (44. Qb3
Nc5 45. Qa2 Kf6 46. Bxf7 Qxa4 $10) 44... Nxd4 45. f3 (45. f4 Nf5 46. Kf3 Nd4+
47. Kf2 Nf5 48. Bb3 Nd4 49. Ba2 Nf5 50. Bb1 Ke6 $10) 45... Ne6 46. Kf2 Kd6 47.
Ba2 (47. Bb3 Kc5 (47... c6 $5 48. bxc6 Kxc6 49. Ke3 Kd6 $5 (49... Kc5 50. Ke4
Kb4 51. Bd5 (51. Bxe6 fxe6 52. Ke5 Kxa4 53. Kf6 a5 54. Kxg6 Kb5 55. g4 a4 $19)
51... Kxa4 52. Ke5 a5 53. Kf6 Kb4 54. Kxf7 Nd4 55. Kxg6 a4 56. f4 $18)) 48. Ke3
Kb4 49. Bd1 Nc5 50. g4 Nxa4 51. gxh5 gxh5 52. f4 Kxb5 53. Bxh5 Kc5 54. Bxf7 Kd6
$10) 47... Kc5 48. Ke3 Kb4 49. g4 {(.)} (49. Ke4 Kxa4 50. Ke5 Kxb5 51. Kf6 Nd8
$1 52. Ke7 c5 53. Kxd8 c4 54. Ke7 a5 $19) 49... Kxa4 50. gxh5 (50. g5 Kxb5 51.
f4 Nd8 52. Ke4 c5 53. f5 gxf5+ $17) 50... gxh5 51. Bc4 Kb4 52. Be2 Kc5 53. f4
Ng7 54. Ke4 f6 55. f5 $2 (55. Bf1 c6 56. bxc6 Kxc6 57. Ba6 Kb6 58. Bc8 $3 (58.
Be2 a5 59. Kd5 a4 60. Bc4 Ka5 61. Kd6 Nf5+ 62. Ke6 Nxh4 63. Kxf6 Ng2 64. Kg5 h4
$19) 58... a5 59. Bd7 Kc5 60. Ba4 Kb4 61. Bd7 a4 62. Bxa4 Kxa4 63. Kd5 Kb5 64.
Kd6 Nf5+ 65. Ke6 Nxh4 66. Kxf6 Nf3 67. Kf5 Kc6 68. Ke4 {/\ f5, Kf4=}) 55... c6
56. bxc6 Kxc6 57. Bd1 a5 58. Ba4+ Kc5 59. Bd7 Kc4 60. Ba4 Kc3 61. Bd7 Kb4 62.
Kd3 a4 63. Kd2 a3 (63... a3 64. Kc2 Kc4 $19 {/\ Kd4O ><f5, h4}) 0-1