[Event "Keres Memorial-04"]
[Site "Tallinn"]
[Date "1983.02.21"]
[Round "1"]
[White "Tal, Mihail"]
[Black "Szekely, Peter"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "2620"]
[BlackElo "2435"]
[PlyCount "69"]
[EventDate "1983.02.21"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[EventCategory "10"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
1. e4 c5 2. Nf3 d6 3. d4 cxd4
4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. Be2 Nbd7
11. O-O Be7 12. e5 dxe5 13. fxe5 Nxe5 14. Bxf6 {B97: Defensa Siciliana
(Variante Najdorf).} gxf6 15. Ne4 f5 $1 {[%cal Rf5e4]} 16. Rb3 {Las negras
están mejor.} Qa4 ({No vaya por} 16... fxe4 $2 17. Rxa3 Bxa3 18. Qa5 $18) (
16... Qxa2 $2 17. Nxf5 $1 {[%mdl 512]} exf5 18. Nd6+ Bxd6 19. Qxd6 $18) 17. Qc3
Bd7 $146 (17... Rg8 $1 $15 {mantiene la ventaja.}) ({Predecesor:} 17... b6 18.
Rxb6 fxe4 19. Nb5 Bd8 20. Nd6+ Ke7 21. Qc5 Bxb6 22. Nxc8+ Ke8 23. Nxb6 Nd7 {
1-0 (38) Champagne,D-Raudenbush,W USA 1982}) 18. Nc5 $16 Bxc5 ({No tome} 18...
Qxa2 $2 19. Nxf5 Rg8 20. Nxe7 $18) 19. Qxc5 Nc6 20. Rd1 {Amenazan ganar con
Af3.} Rg8 $2 {[#]} (20... Qa5 $16 {era lo que pedía.} 21. Qd6 Nxd4 22. Qxd4
O-O-O) 21. Bf3 $1 $18 ({Peor es} 21. Rxb7 Nxd4 22. Rxd4 Qc6 $15) 21... Qa5 22.
Qd6 Nxd4 23. Qxd4 Bb5 {[#]} 24. c4 (24. Qc5 $1 $18 Rd8 25. Rbb1) 24... Ba4 $2 (
24... Qxa2 $16 25. Qd3 Ke7) 25. Rxb7 {Amenazando mate con Dd6!} Kf8 26. Qd6+
Kg7 27. Qxe6 $40 {[%mdl 128] Las negras están en apuros.} Rgf8 {[#]} (27...
Raf8) 28. Bd5 $3 {[%cal Rb7f7][%mdl 512]} Qc3 29. Rxf7+ Rxf7 30. Qxf7+ Kh6 31.
Qe6+ Kg7 32. Qe7+ Kh6 33. Re1 Qd4+ 34. Kh1 {Las blancas amenazan Te6+ y mate.}
Ra7 35. Re6+ {Black did not feel at home in the position after the opening.
Weighted Error Value: Blancas=0.13/Negras=1.14} 1-0
[Event "EU-ch 11th"]
[Site "Rijeka"]
[Date "2010.03.17"]
[Round "11"]
[White "Holzke, Frank"]
[Black "Buss, Ralph"]
[Result "0-1"]
[ECO "B97"]
[WhiteElo "2526"]
[BlackElo "2416"]
[PlyCount "72"]
[EventDate "2010.03.06"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CRO"]
[SourceTitle "CBM 136"]
[Source "ChessBase"]
[SourceDate "2010.05.18"]
[SourceVersion "1"]
[SourceVersionDate "2010.05.18"]
[SourceQuality "1"]
1. e4 c5 2.
Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1
Qa3 10. Be2 Nbd7 11. O-O Qc5 12. Kh1 Be7 13. f5 {B97: Defensa Siciliana
(Variante Najdorf).} e5 14. Ne6 fxe6 15. fxe6 {La posición está igualada.}
Nb6 16. Rxf6 Bxf6 (16... gxf6 $2 17. Be3 $18) 17. Bxf6 gxf6 18. Qh6 (18. Bh5+
$1 $11 Kd8 19. e7+ $1 {[%mdl 512]} Kd7 20. Qe1) 18... Qxc3 19. Qxf6 {[%cal
Re2h5] [#]} Bxe6 $1 20. Qxe6+ (20. Qxh8+ $2 Kd7 $19) 20... Kd8 21. Rd1 Nd7 {
Amenazando con fuerza ...Te8.} ({Es inferior} 21... Qxc2 22. Qxd6+ Kc8 23. Bg4+
Nd7 24. Bxd7+ Kd8 25. Bg4+ Ke8 26. Bh5#) 22. Bg4 {[%csl Gg4][%cal Re6d7]} Kc8 {
apuntando a ...Td8.} 23. Qxd7+ Kb8 24. Qxd6+ Ka7 {Las blancas deben ahora
evitar ...Thd8.} 25. Rb1 {Db6+ sería matador ahora.} Qd4 $36 {[%mdl 2048] Las
blancas están bajo fuerte presión.} 26. Qc7 $146 {[%csl Gc7][%cal Rb1b7]} ({
Predecesor:} 26. Qxd4+ exd4 27. Bf5 h5 28. g3 Rh6 29. Kg2 Rc6 30. e5 Re8 31. e6
Rc5 32. Rf1 {0-1 (57) Corbat,P (2351)-Burnier,L (2347) ICCF email 2007}) 26...
Rab8 27. h3 h5 28. c3 {[#] White does not recover from this.} (28. Bf3 $17)
28... Qd8 $1 $19 {[%cal Rd8c7]} ({Pero no} 28... Qxe4 $2 29. Qb6+ Ka8 30. Bf3
$18) 29. Qxd8 Rbxd8 {[%mdl 4096] Final RTT-RTA} ({Menos fuerte es} 29... Rhxd8
30. Bxh5 Rd2 31. Bf7 $15) 30. Be6 Rd2 31. Bd5 Rh7 32. a4 h4 33. Be6 Rg7 34. Bg4
Rc7 35. Rf1 (35. Be6 {era lo que pedía.}) 35... Rxc3 36. Rf5 Ra2 {Weighted
Error Value: Blancas=0.32/Negras=0.10} 0-1
[Event "BL2-West 0607"]
[Site "Germany"]
[Date "2007.04.22"]
[Round "9.1"]
[White "Ginsburg, Gennadij"]
[Black "Henrichs, Thomas"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "2506"]
[BlackElo "2491"]
[PlyCount "57"]
[EventDate "2006.10.15"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]
[WhiteTeam "Hofheim"]
[BlackTeam "Dortmund Hansa"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8.
Qd2 Qxb2 9. Rb1 Qa3 10. Be2 Nbd7 11. O-O Be7 12. Kh1 {B97: Defensa Siciliana
(Variante Najdorf).} (12. f5 $11 Ne5 13. fxe6 fxe6 14. Rb3) 12... O-O $15 13.
Qe1 $146 ({Predecesor:} 13. Rf3 Qc5 14. Rg3 Re8 15. Bf3 Qc7 16. Bh6 g6 17. a4
Rb8 18. h4 Bf8 19. f5 d5 {0-1 (56) Martin Del Campo C,R (2407)-Chiong Zacarias,
R (2373) Dos Hermanas 2004}) 13... Qc5 14. Rd1 {Las negras están ligeramente
mejor.} Re8 15. Qg3 Bf8 (15... Kh8 $17) 16. Bxf6 $14 Nxf6 17. e5 dxe5 18. fxe5
Nd7 19. Bh5 g6 ({Pero no} 19... Nxe5 $2 20. Ne4 $18) ({Las negras deberían
intentar} 19... Re7 $1 $11 20. Rxf7 Rxf7 21. Nxe6 Qxe5 22. Bxf7+ Kxf7 23. Rf1+
Kxe6) 20. Ne4 Qc7 21. Bxg6 (21. Bg4 $1 $16) 21... fxg6 $2 {A mistake that
costs the game.} (21... hxg6 $14 22. Rde1 Bg7 23. Rxf7 Kxf7 24. Rf1+ Kg8 25.
Qxg6 Rf8 26. Qxe6+ Kh8 27. Qh3+ Kg8 28. Qe6+ Kh8 29. Qh3+ Kg8 30. Qe6+) 22. Qf4
$1 $18 {[%cal Rf4f7] Amenazando con fuerza Df7+.} Kh8 23. Ng5 $1 Nxe5 {[#] Y
ahora ...Ag7 ganaría.} 24. Ndf3 $1 $40 {[%cal Rf3e5][%mdl 128] Las negras
están en apuros.} Bg7 (24... Qc4 25. Nf7+ (25. Qxe5+ Bg7 $18) (25. Nxe5 Qxf4
26. Rxf4 Bg7 $15) 25... Kg8 26. Qxe5 Bg7) 25. Nxe5 Kg8 {[#]} (25... Bxe5 $142
26. Nf7+ {[%mdl 64] Ataque doble} Kg8 27. Nxe5 Qe7) 26. Rd7 $3 {[%mdl 576]
Señuelo} Bxd7 27. Qf7+ {Las blancas dan mate.} Kh8 {[#]} 28. Nxg6+ $1 {
[%mdl 512]} hxg6 29. Qxg6 {[%csl Gg5][%cal Rg6h7] Weighted Error Value:
Blancas=0.11/Negras=1.14} 1-0
[Event "Copenhagen IM (Politiken Cup-05)"]
[Site "Copenhagen"]
[Date "1983.10.23"]
[Round "9"]
[White "Wedberg, Tom Birger"]
[Black "Jakobsen, Ole"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "2500"]
[BlackElo "2445"]
[PlyCount "57"]
[EventDate "1983.10.14"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3
a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. Be2 (10. f5 $142) 10... Nbd7
$11 {B97: Defensa Siciliana (Variante Najdorf).} 11. O-O Qa5 $146 (11... Be7 $1
$15) ({Predecesor:} 11... Be7 12. f5 e5 13. Nb3 Qb4 14. Be3 Nxe4 15. Nxe4 Qxe4
16. Na5 d5 17. Bf3 Qxe3+ 18. Qxe3 Bc5 19. Qxc5 Nxc5 20. Bxd5 {1/2-1/2 (42) Sax,
G (2560)-Browne,W (2555) Wijk aan Zee 1981}) 12. f5 $16 e5 {Las blancas están
mejor.} 13. Ne6 fxe6 (13... b5 $16 {valía la pena intentarlo.}) 14. fxe6 $18
Be7 15. exd7+ Bxd7 16. Rxb7 Qc5+ {[#]} 17. Kh1 $1 {Amenazando con fuerza Axf6.}
Qc6 18. Bxf6 Bxf6 19. Bh5+ g6 20. Rbb1 O-O 21. Nd5 Bh4 {[#]} 22. Bxg6 {[%mdl
512] Esperando por Dh6.} Qc4 ({No tome} 22... hxg6 $2 23. Qh6 $18) 23. Bf5 Bxf5
24. exf5 {apuntando a Cb6.} Rab8 25. Rbd1 Rb2 $2 (25... Rb7 {es una defensa
mejor.} 26. Qh6 Rbf7) 26. f6 {Y ahora Ce7+ ganaría.} Qxc2 27. Ne7+ {[%mdl 64]
Ataque a la descubierta} Kf7 (27... Kh8 $18 28. Ng6+ {[%mdl 64] Desviación}
Qxg6 29. Qxb2 Rxf6 30. Qb8+ Kg7 31. Rxf6 Qxf6 32. Qxd6 Qxd6 33. Rxd6 a5) 28.
Qd5+ Ke8 29. f7+ {Black did not feel at home in the position after the opening.
Weighted Error Value: Blancas=0.13/Negras=0.94} 1-0
[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "1984.02.??"]
[Round "11"]
[White "Wedberg, Tom Birger"]
[Black "Sigurjonsson, Gudmundur"]
[Result "0-1"]
[ECO "B97"]
[WhiteElo "2495"]
[BlackElo "2470"]
[PlyCount "62"]
[EventDate "1984.02.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISL"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5.
Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. Be2 Nbd7 11. O-O Qc5 12.
Kh1 Be7 13. f5 {B97: Defensa Siciliana (Variante Najdorf).} e5 14. Ne6 fxe6 15.
fxe6 {apuntando a Ah5+!La posición está igualada.} Nf8 16. Be3 (16. Bxf6 $14
gxf6 17. Nd5) 16... Qc6 $146 {[#]} ({Predecesor:} 16... Qa5 17. Rxf6 Bd8 18. e7
gxf6 19. exd8=Q+ Qxd8 20. Bb6 Qd7 21. Nd5 Kf7 22. Rf1 Ng6 23. Qh6 Qe6 24. Bc4
Nf4 25. Bb3 f5 26. Nxf4 {1-0 (26) Agapov,K (2335)-Barkovsky,E (2285) Leningrad
1983}) 17. Rxf6 {[%mdl 512]} gxf6 (17... Bxf6 18. Rb6) 18. Rb6 Qc7 19. Nd5 Qd8
20. Rb3 (20. Bh5+ $14 Ng6 21. Bg4) 20... Bxe6 $11 {Las blancas deben ahora
evitar ...b5.} ({No capture} 20... Nxe6 $2 21. Bb6 $18) 21. Bh5+ $2 {[%mdl
8192] [#]} (21. Rxb7 $11 Bxd5 22. Qxd5) 21... Ng6 $1 $19 {Amenazan ganar con ..
.0-0.} 22. Bb6 Qd7 23. Qh6 {[#]} Kf7 {Las negras están ganado claramente.} 24.
Rc3 (24. c4 $142) 24... Bxd5 25. exd5 Qb5 26. Bg1 Qxd5 27. Rc7 Rag8 28. Be2 {
Ac4 sería ahora estupendo para Las blancas.} Qe6 (28... Nf4 $2 29. Bc4 $19)
29. Rxb7 Nf4 30. Bh5+ Nxh5 31. Qxh5+ Rg6 {Weighted Error Value: Blancas=0.82/
Negras=0.17} 0-1
[Event "Linares-05"]
[Site "Linares"]
[Date "1985.03.18"]
[Round "8"]
[White "Timman, Jan H"]
[Black "Ljubojevic, Ljubomir"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "2650"]
[BlackElo "2595"]
[PlyCount "43"]
[EventDate "1985.03.08"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "14"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5
e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. Be2 Be7 11. O-O Nbd7 12. e5 dxe5 13.
fxe5 Nxe5 14. Bxf6 {B97: Defensa Siciliana (Variante Najdorf).} Bxf6 (14...
gxf6 $17 15. Rb3 Qa5) 15. Rxf6 $11 gxf6 16. Ne4 {La posición está igualada.}
Nd7 {[%mdl 8192]} ({No capture} 16... Qxa2 $2 17. Qb4 $18) (16... Qe7 $11 {
y Las negras siguen a salvo.} 17. Qf4 Nd7 18. Nd6+ Kf8 19. Qh6+ Kg8) 17. Rb3 $5
$146 {[%mdl 8] New and interesting.} ({Predecesor:} 17. Qf4 Qe7 18. Nd6+ Kd8
19. Rxb7 Qxd6 20. Qxd6 Bxb7 21. Nc6+ Bxc6 22. Qxc6 Rc8 23. Qxa6 Rxc2 24. Bc4
Kc7 25. Qa7+ Kd6 26. Qa6+ {1/2-1/2 (26) Piersig,K-Leuner,K DDR 1984}) 17...
Qxa2 (17... Qa4) 18. Nd6+ {[%mdl 64] Ataque doble} Kf8 {[#] Esperando por ...
Tg8.} 19. Qc3 $2 $40 {[%mdl 128] Las blancas van a por el rey.} (19. Nxe6+ $1
$18 {[%mdl 512]} fxe6 20. Nxc8 {[%mdl 64] Ataque a la descubierta} Qxb3 21.
cxb3 Rxc8 22. Qxd7 {[%mdl 64] Ataque doble} Rc1+ 23. Kf2) 19... Kg7 $2 {
[%mdl 8192]} (19... Rg8 $16) 20. N4f5+ (20. N6f5+ $142 exf5 21. Nxf5+ Kg6 22.
Qh3 Qa1+ 23. Kf2 Qd4+ 24. Nxd4 Kg7 25. Qg3+ Kf8 26. Qd6+ Ke8 27. Nf5 Kd8 28.
Rc3 h6 29. Qe7#) 20... exf5 21. Nxf5+ Kg6 22. Qh3 {[%csl Ge2][%cal Rh3h5]
White took control after the opening. Weighted Error Value: Blancas=0.58/
Negras=1.96} 1-0
[Event "Chigorin Memorial-16"]
[Site "Sochi"]
[Date "1982.12.02"]
[Round "1"]
[White "Tal, Mihail"]
[Black "Ftacnik, Lubomir"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "2605"]
[BlackElo "2560"]
[PlyCount "63"]
[EventDate "1982.12.02"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[EventCategory "11"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
1. e4
c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2
9. Rb1 Qa3 10. Be2 Be7 11. O-O Nbd7 12. e5 $146 ({Predecesor:} 12. f5 e5 13.
Nb3 Qb4 14. Be3 Nxe4 15. Nxe4 Qxe4 16. Na5 d5 17. Bf3 Qxe3+ 18. Qxe3 Bc5 19.
Qxc5 Nxc5 20. Bxd5 {1/2-1/2 (42) Sax,G (2560)-Browne,W (2555) Wijk aan Zee 1981
}) 12... dxe5 13. fxe5 Nxe5 14. Bxf6 {B97: Defensa Siciliana (Variante Najdorf)
.} Bxf6 (14... gxf6 $17 15. Rb3 Qa5) 15. Rxf6 $14 gxf6 16. Ne4 {La posición
está igualada.} Qe7 (16... Qxa2 $2 17. Qb4 $18) 17. Qf4 Kd8 (17... Nd7 $11 18.
Nd6+ Kf8 19. Qh6+ Kg8) 18. Nxf6 $40 {[%mdl 128] Las blancas tienen cierto
ataque.} (18. Rd1 $16 {Con la intención de Cxe6+ y mate.} Nd7 19. Qg3) 18...
Nd7 $1 $11 19. Nxd7 Bxd7 20. Rxb7 Rc8 {apuntando a ...e5.} ({Pero no} 20... e5
$2 21. Nc6+ $1 {[%mdl 512]} Bxc6 22. Qd2+ Ke8 23. Rxe7+ Kxe7 24. Qg5+ f6 25.
Qg7+ Ke6 26. Qc7 $18) 21. Nf3 {Las negras deben ahora evitar Ce5.} f6 22. Bxa6
(22. Qd4 $11 e5 23. Qb6+ Ke8 24. Bxa6) 22... Rf8 $2 {[%mdl 8192] Loses the
game.} (22... Qc5+ $1 $15 {permanece por delante.} 23. Kh1 Rf8) 23. Qd4 $18 Ke8
24. Bb5 {[%cal Rb5d7][%mdl 1024] Las blancas tienen fuerte compensación.} Rd8
25. Qb6 {Cd4 es la amenaza fuerte.} e5 (25... Rf7 $142 26. Nd4 Qa3 27. Bxd7+ (
27. Qxe6+ Kf8 $11) 27... Rfxd7 28. Qxe6+ {[%mdl 64] Ataque doble} Qe7 29. Qg8+
Qf8 30. Qe6+ Qe7 31. Qg8+ Qf8 32. Qxf8+ Kxf8 33. Ne6+ {[%mdl 64] Ataque doble}
Kg8) 26. Nd2 f5 27. Nc4 {Las blancas amenazan Cd6+ y mate.} Rf6 {[#]} 28. Bxd7+
$1 Rxd7 {[#]} 29. Qb5 Re6 30. a4 e4 {con la intención de ...e3.} 31. Kf1 ({
Peor es} 31. Rb8+ Kf7 $11) 31... Qg7 (31... e3 $142) 32. Rb8+ {Weighted Error
Value: Blancas=0.16/Negras=0.53} 1-0
[Event "Gjovik Sjakklubb 75th anniversary"]
[Site "Gjovik"]
[Date "1983.08.??"]
[Round "?"]
[White "Nunn, John DM"]
[Black "Helmers, Knut Jaran"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "2570"]
[BlackElo "2465"]
[PlyCount "49"]
[EventDate "1983.08.10"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NOR"]
[EventCategory "12"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6
5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. Be2 Be7 11. O-O Nbd7
12. e5 dxe5 13. fxe5 Nxe5 14. Bxf6 {B97: Defensa Siciliana (Variante Najdorf).}
gxf6 15. Ne4 f5 $1 {[%cal Rf5e4]} 16. Rb3 {Las negras están mejor.} Qa4 (16...
fxe4 $2 17. Rxa3 Bxa3 18. Qa5 $18) (16... Qxa2 $2 17. Nxf5 $1 {[%mdl 512]} exf5
18. Nd6+ Bxd6 19. Qxd6 $18) 17. Qc3 fxe4 $146 (17... Rg8 $1 $15 {permanece por
delante.} 18. Nc5 Bxc5 19. Qxc5 Nc6) ({Predecesor:} 17... b6 18. Rxb6 fxe4 19.
Nb5 Bd8 20. Nd6+ Ke7 21. Qc5 Bxb6 22. Nxc8+ Ke8 23. Nxb6 Nd7 {1-0 (38)
Champagne,D-Raudenbush,W USA 1982}) 18. Nb5 $1 $16 {[%cal Rb5c7]} axb5 19. Qxe5
Qa7+ 20. Kh1 Rg8 {Y ahora ...Ad7 ganaría.} ({Es erróneo} 20... f6 $2 21. Bh5+
Kd7 22. Rd1+ Kc6 23. Rc3+ Qc5 24. Rxc5+ (24. Qxe4+ Kb6 $16) 24... Bxc5 25. Qxf6
$18 (25. Qxe4+ Kb6 $16)) 21. Qh5 $1 $36 {[%cal Rh5f7][%mdl 2048] Mantienen a
Las negras ocupadas.} Rg7 22. Bxb5+ Kf8 {[#]} 23. Rg3 $1 {[#] Con la
intención de Txf7+! y mate.} Bf6 $1 24. Rxf6 {Las blancas quieren dar mate
con Txg7.} Qd4 {[#]} 25. Rf1 $1 {[%cal Rf1d1] White took control after the
opening. Weighted Error Value: Blancas=0.00/Negras=0.15} 1-0
[Event "Interpolis-07"]
[Site "Tilburg"]
[Date "1983.10.21"]
[Round "8"]
[White "Van der Wiel, John"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[ECO "B97"]
[WhiteElo "2530"]
[BlackElo "2620"]
[PlyCount "108"]
[EventDate "1983.10.12"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "15"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.
Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. Be2 Be7 11.
O-O h6 12. Bh4 {Y ahora e5 ganaría. B97: Defensa Siciliana (Variante Najdorf).
} Nbd7 13. e5 $146 (13. Bf3 $11 {permanece igual.}) ({Predecesor:} 13. Rf3 Qa5
14. f5 e5 15. Bxf6 Nxf6 {Petzold-Leisebein,P corr 1982}) 13... dxe5 $17 14.
fxe5 {Las negras están claramente mejor.} Nxe5 15. Bxf6 Bxf6 16. Ne4 {[#]} Bd8
(16... Qxa2 17. Nxf6+ gxf6 18. Rb3 $11) (16... Be7 $1 $17 {Amenazan ganar con .
..0-0.} 17. Rb3 Qa4) 17. Bb5+ $2 (17. Rb3 $1 $11 {y Las blancas siguen a salvo.
} Qe7 18. Nf3) 17... axb5 $19 18. Nxb5 Qa5 (18... Bg5 $19 19. Nxg5 Qc5+ 20. Qf2
Qxf2+ 21. Rxf2 Ke7) 19. Nbd6+ $17 {[%mdl 64] Ataque a la descubierta} Kf8 20.
Qf2 (20. Qd4 $1 $15) 20... Qa7 (20... Qxa2 $2 21. Nxf7 Kg8 22. Nxe5 $18 (22.
Nxd8 Qa7 $18)) (20... Qc7 $17 21. Rb5 Ra5 22. Rxa5 Qxa5 23. Nxc8 Kg8) 21. Qxa7
$15 Rxa7 22. Nxc8 Ra8 23. Ncd6 b6 24. Rb5 Ra5 25. Rxa5 bxa5 26. Rb1 $1 g5 27.
Rb5 Ng6 28. Rb7 Be7 (28... Ne5 $1 $15) 29. Nc8 {[#]} (29. Rb8+ $1 $11 {
mantiene el equilibrio.} Kg7 30. Ne8+ Kf8 31. N8f6+ Kg7 32. Ne8+ Kh7 33. N8f6+
Bxf6 34. Nxf6+ Kg7 35. Nh5+ Kh7 36. Nf6+ Kg7 37. Nh5+ Kh7 38. Nf6+) 29... Ba3 (
{Las negras deberían intentar} 29... Bb4 $1 $17) 30. Ncd6 Ne5 31. Rb5 {
Black continues to play with concentration.} (31. Ra7 $1 $15) 31... Bxd6 $17
32. Nxd6 {[%mdl 4096] Final RTC-RTC} Ke7 33. Ne4 Nd7 34. Rxa5 Rc8 35. Nf2 Rxc2
{apuntando a ...Tc1+.} 36. Ng4 (36. h4 {era necesario.}) 36... h5 $19 37. Ne3
Rc1+ 38. Kf2 f5 39. Ke2 Kf6 40. a4 f4 41. Nf1 Rc2+ 42. Nd2 Ne5 43. Rc5 Ra2 ({No
} 43... Rxc5 44. Ne4+ Kf5 45. Nxc5 $17) ({Más fuerte que} 43... f3+ 44. gxf3
Ra2 45. Ke3 $11) 44. a5 g4 45. Kd1 {con la intención de Ce4+.} f3 46. g3 {
Las blancas espera seguir con Ce4+.} Nd3 47. Rxh5 e5 (47... f2 $142 48. Nf1 e5)
48. Rh6+ (48. Ne4+ $142 Kg6 49. Rg5+ Kf7 50. a6) 48... Kg5 49. Rd6 (49. Rh8)
49... f2 {Las blancas deben ahora evitar ...Txd2+!Las negras están ganado
claramente.} 50. Rxd3 {[#]} (50. Ne4+ $142 Kf5 51. Nxf2 {[%mdl 64]
Eliminación del defensor} Nxf2+ 52. Ke1) 50... Rxd2+ $1 {[%mdl 576]
Eliminación del defensor, Promoción} 51. Kxd2 f1=Q 52. Ra3 Qb1 {( -> ...Db2+)
} 53. Kc3 e4 54. Kc4 Qc1+ {Weighted Error Value: Blancas=0.84/Negras=0.30} 0-1
[Event "Aarhus Lux Time Cup"]
[Site "Aarhus"]
[Date "1983.05.02"]
[Round "1"]
[White "Van der Wiel, John"]
[Black "Ftacnik, Lubomir"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "2530"]
[BlackElo "2560"]
[PlyCount "45"]
[EventDate "1983.05.02"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "DEN"]
[EventCategory "7"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3
a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. Be2 Be7 11. O-O {Amenazan
ganar con e5.} Nc6 {B97: Defensa Siciliana (Variante Najdorf).} ({Las negras
deberían jugar} 11... h6 $15 12. Bh4 Nbd7) 12. Nxc6 $1 $14 bxc6 13. e5 $146 ({
Predecesor:} 13. Kh1 O-O 14. e5 dxe5 15. fxe5 Nd5 16. Rb3 Bxg5 17. Qxg5 Qe7 18.
Qh5 f5 19. Nd1 {0-1 (41) Benzaquen,E-Sanguineti,R Buenos Aires 1958}) 13...
dxe5 {Las blancas están mejor.} 14. fxe5 Qc5+ 15. Kh1 $1 Qxe5 16. Bf4 Ne4 {[#]
} (16... Qf5 $14) 17. Nxe4 $1 $18 Qxe4 18. Bf3 $36 {[%mdl 2048] Las blancas
están en el lío.} Qc4 19. Bd6 f5 $2 {[#] Loses the game.} (19... Ra7 $16 {
valía la pena intentarlo.}) 20. Rfd1 $1 Ra7 (20... Bxd6 21. Qxd6 (21. Bh5+ g6
$11) 21... Kf7 22. Qc7+ (22. Qxc6 Qxc6 23. Bxc6 Ra7 $17) (22. Bxc6 Ra7 $11)
22... Kf6) 21. Rb4 {Las blancas están ganado claramente.} ({Más fuerte que}
21. Bxe7 Kxe7 22. Qg5+ Kf7 $11) 21... Qxa2 22. Bxe7 Kxe7 23. Qd4 {[%mdl 64]
Ataque doble. Weighted Error Value: Blancas=0.02/Negras=0.74} 1-0
[Event "Jakarta International"]
[Site "Jakarta"]
[Date "1983.12.01"]
[Round "14"]
[White "Lobron, Eric"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[ECO "B97"]
[WhiteElo "2515"]
[BlackElo "2620"]
[PlyCount "106"]
[EventDate "1983.11.10"]
[EventType "tourn"]
[EventRounds "21"]
[EventCountry "INA"]
[EventCategory "11"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6.
Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. Be2 Be7 11. O-O h6 12. Bh4 {
apuntando a e5. B97: Defensa Siciliana (Variante Najdorf).} Nbd7 13. Kh1 $146 (
{Predecesor:} 13. Rf3 Qa5 14. f5 e5 15. Bxf6 Nxf6 {Petzold-Leisebein,P corr
1982}) 13... Qa5 14. f5 {La posición está igualada.} Ne5 $2 (14... e5 $1 $15
{mantiene la ventaja.} 15. Nb3 Qc7) 15. fxe6 (15. Bxf6 $18 gxf6 16. Bh5) 15...
fxe6 $16 16. Bh5+ (16. Bxf6 $5 gxf6 17. Qe3 $11) 16... Nf7 $1 17. Bxf7+ Kxf7
18. e5 dxe5 19. Nf3 (19. Nde2 $1 $16) 19... e4 $11 {[#]} 20. Nxe4 {[%mdl 512]}
Qxd2 (20... Nxe4 21. Qxa5) 21. Ne5+ Kg8 22. Nxd2 Kh7 23. Ndc4 (23. c4 $15)
23... b5 $1 $17 {[%cal Rb5c4]} 24. Na5 Rf8 25. Rbd1 Bd8 26. Nac6 Bb7 27. h3
Bxc6 28. Nxc6 Rc8 29. Rd6 (29. Nxd8 $17 Rfxd8 30. Rxd8 Rxd8 31. Bxf6) 29... Bc7
$1 $19 {[%cal Rc7d6]} 30. Rxe6 {[%cal Rh4f6]} Nd5 {[%cal Rf8f1]} 31. Rd1 Nc3 (
31... Nf4 $142 32. Re4 Ng6) 32. Rde1 $17 Nxa2 (32... Rf7 $1 $17 33. g4 Nxa2)
33. Ne7 $15 Ba5 $36 {[%mdl 2048] Las negras son más activas.} 34. Ra1 {
Black keeps a firm grip on the game.} (34. Nxc8 $15 Bxe1 35. Bxe1 Rxc8 36. Rxa6
Rxc2 37. Bg3) 34... Rxc2 $19 35. Rxa6 Bc7 {...Cc1 es la amenaza fuerte.} 36.
Nd5 {[#]} Be5 {[%cal Re5a1]} 37. Re1 {[#]} Re2 {[%cal Re2e1][%mdl 512]} 38. Kg1
(38. Rxe2 Rf1#) 38... Rxe1+ 39. Bxe1 Nc1 {( -> ...Ce2+)} 40. g3 Nd3 41. Bc3
Bxg3 42. Kg2 Be1 43. Rb6 Bxc3 44. Nxc3 {[%mdl 4096] Final RTC-RTC} b4 45. Nd1
Re8 {Amenazando con fuerza ...Te1.} 46. Rd6 (46. Kf3 $142) 46... Re2+ 47. Kg3
Nc5 48. Rb6 Re1 49. Nb2 Re3+ 50. Kg4 b3 51. h4 $2 (51. Rb8) 51... Re2 {Las
negras están ganado claramente.} 52. Nd1 Rd2 53. Nc3 Rd4+ {Weighted Error
Value: Blancas=0.35/Negras=0.17} 0-1