Defensa Alekhine (Variante moderna 4.Cf3), Partidas modelo

[Event "Budapest "] [Site "?"] [Date "1996.??.??"] [Round "9"] [White "Cao Sang"] [Black "Chetverik, Maxim"] [Result "1-0"] [ECO "B04"] [WhiteElo "2455"] [BlackElo "2290"] [Annotator "23"] [PlyCount "69"] [EventDate "1996.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. Qe2 Bg7 8. c3 dxe5 9. Nxe5 Nxe5 10. dxe5 Bf5 11. O-O (11. Bf4 Qd7 12. Na3 O-O 13. Rd1 Qc8 14. Nb5 c5 15. O-O c4 16. Bc2 Bxc2 17. Qxc2 Qc5 18. Na3 Bxe5 19. Be3 Qc6 20. Qe2 Bf6 21. Bxb6 Qxb6 22. Nxc4 Qa6 23. b3 Bxc3 24. a4 Bf6 25. Rd7 Rfd8 {Ivkov,B (2552)-Kortschnoj,V (2625) Zagreb 1958 1/2-1/2 (36)}) 11... Qd3 12. Qxd3 (12. Qe1 Qe4 13. Qxe4 Bxe4 14. Na3 Bd3 15. Re1 e6 16. Be3 h6 17. Rad1 O-O-O 18. Bd4 Ba6 19. Nc2 Bc4 {1/2-1/2 (19) Mahdi,K (2390)-Petschar,K (2270) Austria 1996}) 12... Bxd3 13. Re1 O-O $146 ( 13... Bc4 14. Nd2 Bxb3 15. axb3 {1/2-1/2 (15) Marciano,D (2325)-Chabanon,J (2250) Val Thorens 1989}) 14. Na3 a5 15. Be3 a4 {Diagrama [#] Las negras amenazan ganar material: a4xb3} 16. Bc2 {Las blancas amenazan ganar material: Ac2xd3} Rfd8 17. Bxd3 Rxd3 18. Bxb6 cxb6 {Las negras tienen nuevos peones doblados: b6+b7} 19. Re2 Ra5 20. e6 Bf6 21. Rae1 Rc5 22. exf7+ Kxf7 23. Nc2 Rd7 24. a3 Rcd5 25. g3 {Cubre h4} h5 26. Kf1 b5 27. Re4 Rd2 {Las negras amenazan ganar material: Td2xc2} 28. R1e2 Rd1+ 29. Kg2 Bg5 30. Nd4 Rd5 31. h4 {Las blancas amenazan ganar material: h4xg5} Bc1 $4 (31... Bf6 $142 $14 {era mucho mejor}) 32. Rxe7+ $18 Kf8 33. Rxb7 g5 (33... Rd6 $18 {la última oportunidad de contrajuego}) 34. Ne6+ Kg8 35. Nxg5 {Diagrama [#]} (35. Nxg5 Rd7 36. Rxb5 $18) 1-0 [Event "Schwarzach "] [Site "?"] [Date "1998.??.??"] [Round "3"] [White "Klovans, Janis"] [Black "Neckar, Lubomir"] [Result "1/2-1/2"] [ECO "B04"] [WhiteElo "2465"] [BlackElo "2345"] [Annotator "23"] [PlyCount "43"] [EventDate "1998.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. a4 a5 (7... dxe5 8. a5 e4 (8... Nd5 9. dxe5 e6 10. O-O h6 11. Qe2 Bg7 12. Rd1 Qe7 13. Bxd5 exd5 14. Nc3 Nb4 15. b3 Qc5 16. Qd2 d4 17. Ba3 Qxc3 18. Bxb4 Qxd2 19. Rxd2 Bd7 20. Nxd4 O-O-O 21. f4 Rhe8 22. Re1 b6 23. axb6 {Sokolov,A (2555)-Neckar,L (2365) Bern 1993 1-0 (54)}) 9. axb6 exf3 10. Qxf3 e6 11. bxc7 Qxc7 12. Qf6 Rg8 13. Be3 Bg7 14. Qh4 h6 15. c3 e5 16. dxe5 Bxe5 17. Nd2 Bf5 18. O-O g5 19. Qh5 Bg6 20. Qh3 Rh8 21. Nc4 Bf4 22. Nb6 { Torre,E (2535)-Rodriguez,R (2420) Bacolod 1991 1-0 (41)}) 8. exd6 cxd6 $146 ( 8... exd6 9. O-O d5 10. Re1+ Be6 11. Ng5 Qd7 12. Nc3 Bg7 13. Nb5 O-O 14. Bf4 Rac8 15. Nxe6 fxe6 16. Bg3 Rfe8 17. Qg4 Nd8 18. Qf4 c6 19. Nd6 Rf8 20. Qg4 Ra8 21. Rad1 Nc8 22. Nxc8 Qxc8 23. Rd3 {Oparin,G (2480)-Pesotsky,V (2283) Pardubice 2012 1-0 (31)}) 9. d5 Ne5 10. Nxe5 dxe5 11. Nc3 Bg7 12. Be3 {Las negras tienen una posición restringida} Bf5 13. d6 exd6 14. Nb5 {Las blancas amenazan ganar material: Cb5xd6. ¡ Hermosa casilla!} Nc8 15. Qd5 {Las blancas amenazan mate} Qd7 {Las negras tienen una posición restringida} 16. Qc4 {Las blancas tienen un fuerte ataque al rey} O-O {Las negras enrocan y mejoran la seguridad del rey} 17. O-O-O Ra6 18. Qc7 {[%cal Rb5d6,Rc7d6,Rd1d6,Ga6d6,Gc8d6, Gd7d6] La presión sobre el peón retrasado de d6 crece} Qxc7 19. Nxc7 Rc6 {Las negras amenazan ganar material: Tc6xc7} 20. Nb5 Rd8 21. Nc3 Be6 22. Bd5 { Diagrama [#]} 1/2-1/2 [Event "Bern "] [Site "?"] [Date "1993.??.??"] [Round "6"] [White "Sokolov, Andrey"] [Black "Neckar, Lubomir"] [Result "1-0"] [ECO "B04"] [WhiteElo "2555"] [BlackElo "2365"] [Annotator "23"] [PlyCount "107"] [EventDate "1993.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. a4 dxe5 (7... a5 8. exd6 exd6 (8... cxd6 9. d5 Ne5 10. Nxe5 dxe5 11. Nc3 Bg7 12. Be3 Bf5 13. d6 exd6 14. Nb5 Nc8 15. Qd5 Qd7 16. Qc4 O-O 17. O-O-O Ra6 18. Qc7 Qxc7 19. Nxc7 Rc6 20. Nb5 Rd8 21. Nc3 Be6 22. Bd5 {1/2-1/2 (22) Klovans,J (2465)-Neckar,L (2345) Schwarzach 1998}) 9. O-O d5 10. Re1+ Be6 11. Ng5 Qd7 12. Nc3 Bg7 13. Nb5 O-O 14. Bf4 Rac8 15. Nxe6 fxe6 16. Bg3 Rfe8 17. Qg4 Nd8 18. Qf4 c6 19. Nd6 Rf8 20. Qg4 Ra8 21. Rad1 Nc8 22. Nxc8 {Oparin,G (2480)-Pesotsky,V (2283) Pardubice 2012 1-0 (31)}) 8. a5 {Las blancas amenazan ganar material: a5xb6} Nd5 $146 (8... e4 9. axb6 exf3 10. Qxf3 e6 11. bxc7 Qxc7 12. Qf6 Rg8 13. Be3 Bg7 14. Qh4 h6 15. c3 e5 16. dxe5 Bxe5 17. Nd2 Bf5 18. O-O g5 19. Qh5 Bg6 20. Qh3 Rh8 21. Nc4 Bf4 22. Nb6 Rd8 23. Nd5 { Torre,E (2535)-Rodriguez,R (2420) Bacolod 1991 1-0 (41)}) (8... Nd7 9. Bxf7+ Kxf7 10. Ng5+ Kg8 11. Ne6 Qe8 12. Nxc7 Qf7 13. Nxa8 Qd5 14. O-O Qd6 15. dxe5 Qxe5 16. Nc3 Nf6 17. Re1 Qb8 18. Nd5 Qxa8 19. Bg5 Kg7 20. Bxf6+ exf6 21. Qf3 h5 22. Re8 f5 23. Qc3+ {Madl,I (2385)-Kahn,E (2380) Budapest 1996 1-0}) 9. dxe5 e6 {Las negras tienen una posición restringida.} 10. O-O h6 {Asegura g5} 11. Qe2 Bg7 12. Rd1 Qe7 13. Bxd5 exd5 14. Nc3 (14. Rxd5 $6 Be6 15. Rd1 O-O $11) 14... Nb4 15. b3 Qc5 16. Qd2 d4 17. Ba3 Qxc3 18. Bxb4 Qxd2 19. Rxd2 ({Es menos aconsejable} 19. Bxd2 Bg4 $15) 19... Bd7 20. Nxd4 O-O-O {Diagrama [#]} 21. f4 Rhe8 22. Re1 b6 23. axb6 axb6 24. Bc3 g5 25. g3 c5 {Las negras amenazan ganar material: c5xd4} 26. Nf3 Bf5 27. Rf2 gxf4 28. Nh4 Bd7 29. Rxf4 Be6 {El alfil bloquea e5} 30. Nf5 Bf8 31. g4 Rd7 32. Ng3 Red8 33. h3 Rd1 34. Rxd1 Rxd1+ 35. Rf1 {Las blancas amenazan ganar material: Tf1xd1} Rd5 36. Ne4 Kc7 37. Ra1 Kb7 38. Kf2 Be7 39. Kf3 Bh4 40. Nd6+ Kb8 41. Nf5 Bg5 42. h4 Bxf5 43. gxf5 (43. hxg5 $6 Bxc2 44. gxh6 Rd3+ 45. Ke2 Rxc3 $11) 43... Bxh4 44. Ke4 Rd8 45. f6 Re8 46. Kf5 Re6 $2 (46... Kb7 $142 $5 $16) 47. Bd2 $18 Bg3 $2 (47... Bf2 $142 48. Rh1 Bd4 $18) 48. Bf4 Bxf4 49. Kxf4 Re8 50. Rg1 Kc8 $2 (50... Rf8 $18) 51. Rg7 Rf8 { [%tqu "","","",e6,"",10]} 52. e6 $1 {un inevitable y devastador final} fxe6 53. Ke5 Kd8 (53... h5 $18 {de otra forma se echaría ya el telón}) 54. Ra7 { Diagrama [#]} (54. Ra7 Rxf6 55. Kxf6 $18) 1-0 [Event "Mikolajki tt "] [Site "?"] [Date "1991.??.??"] [Round "2"] [White "Niemiec, Artur"] [Black "Ilczuk, Jacek"] [Result "0-1"] [ECO "B04"] [BlackElo "2240"] [Annotator "23"] [PlyCount "84"] [EventDate "1991.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. O-O (7. a4 dxe5 (7... a5 8. exd6 exd6 9. O-O d5 10. Re1+ Be6 11. Ng5 Qd7 12. Nc3 Bg7 13. Nb5 O-O 14. Bf4 Rac8 15. Nxe6 fxe6 16. Bg3 Rfe8 17. Qg4 Nd8 18. Qf4 c6 19. Nd6 Rf8 20. Qg4 Ra8 21. Rad1 Nc8 22. Nxc8 {Oparin,G (2480)-Pesotsky,V (2283) Pardubice 2012 1-0 (31)}) 8. a5 e4 9. axb6 exf3 10. Qxf3 e6 11. bxc7 Qxc7 12. Qf6 Rg8 13. Be3 Bg7 14. Qh4 h6 15. c3 e5 16. dxe5 Bxe5 17. Nd2 Bf5 18. O-O g5 19. Qh5 Bg6 20. Qh3 Rh8 21. Nc4 Bf4 { Torre,E (2535)-Rodriguez,R (2420) Bacolod 1991 1-0 (41)}) 7... Bg7 8. Bf4 O-O 9. exd6 $146 (9. h3 Na5 10. Qd2 dxe5 11. Nxe5 Nxb3 12. axb3 Bf5 13. c3 Re8 14. Re1 Nd7 15. Nxd7 Qxd7 16. Qe3 a5 {1/2-1/2 (16) Watzka,H (2330)-Pribyl,J (2420) Graz 1979}) 9... cxd6 10. c3 {Previene el salto o el avance a b4} e5 {Las negras amenazan ganar material: e5xf4} 11. Bg5 {Las blancas amenazan ganar material: Ag5xd8} Qc7 12. Nbd2 h6 13. Be3 Na5 14. Bc2 Nd5 15. Rc1 Nxe3 16. fxe3 {Las negras tienen pareja de alfiles} Be6 17. c4 exd4 (17... Nxc4 $6 18. Bd3 d5 19. b3 $11) ({No} 17... Bxc4 18. Bb1 b5 19. b3 exd4 20. exd4 $14 (20. bxc4 $143 dxe3 21. Nb3 Nxc4 $15)) 18. exd4 Qb6 (18... Nxc4 $6 19. Bb1 d5 20. b3 $11) 19. Kh1 Nxc4 20. Nxc4 Bxc4 21. Re1 Bd5 {Diagrama [#]} 22. b3 Rfe8 23. Rf1 Qa5 24. Nh4 Be4 (24... Qxa2 $142 {mantiene incluso un dominio más firme} 25. Ra1 Qb2 $19) 25. Bxe4 Rxe4 26. Rxf7 $2 (26. Nf3 $142 $19) 26... Rae8 (26... Kxf7 27. Qf3+ Kg8 28. Qxe4 $14) (26... Rxh4 {es la alternativa más débil} 27. Qf3 Rf8 28. Rxf8+ Bxf8 29. Qf6 $19) 27. Rxg7+ Kxg7 28. Nf3 Qxa2 29. h3 Qf2 30. Rc7+ R8e7 31. Qc1 Re2 32. Rxe7+ Rxe7 33. Qf4 (33. d5 $19 {¿ y qué más?}) 33... Re2 34. Qg4 (34. Qh2 $19 {no sirve para nada}) 34... Qe3 (34... h5 $142 {y el Negro ha alcanzado su meta} 35. Qg5 Qf1+ 36. Kh2 Qxf3 $19) 35. h4 Qe6 36. Qf4 Re4 37. Qg3 Rg4 38. Qf2 Qxb3 39. d5 Qxd5 40. Qxa7 Rf4 (40... Qd1+ $142 $5 {y el Negro puede ir relajándose} 41. Kh2 Qe2 42. Qxb7+ Kf6 43. Ng1 Rxh4+ 44. Nh3 Qe5+ 45. Kh1 $19) 41. Qa1+ Kh7 42. Qc3 Rf7 {Diagrama [#]} 0-1 [Event "Bern "] [Site "?"] [Date "1994.??.??"] [Round "4"] [White "Dolmatov, Sergey"] [Black "Neckar, Lubomir"] [Result "1/2-1/2"] [ECO "B04"] [WhiteElo "2610"] [BlackElo "2360"] [Annotator "23"] [PlyCount "38"] [EventDate "1994.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. Qe2 Bg7 8. O-O dxe5 9. dxe5 Nd4 10. Nxd4 Qxd4 11. e6 Bxe6 12. Bxe6 fxe6 13. Qxe6 Qc4 14. Qxc4 Nxc4 15. c3 O-O-O 16. a4 Rhf8 17. f3 $146 (17. Ra2 Rf5 18. b3 Na5 19. b4 Nc4 20. Re1 Rd3 21. Rc2 Bf6 22. Kf1 a6 23. Re4 Nd6 24. Re3 Rd1+ 25. Re1 Rd3 26. Re3 {1/2-1/2 (26) Prandstetter, E (2410)-Neckar,L (2306) Czechia 2001}) 17... Be5 18. Na3 Nxa3 19. Rxa3 Bf4 { Diagrama [#]} 1/2-1/2 [Event "Olomouc "] [Site "?"] [Date "2003.??.??"] [Round "9"] [White "Krapivin, Vladimir"] [Black "Konopka, Michal"] [Result "0-1"] [ECO "B04"] [WhiteElo "2318"] [BlackElo "2428"] [Annotator "23"] [PlyCount "100"] [EventDate "2003.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. O-O Bg7 8. Qe2 dxe5 9. dxe5 Nd4 10. Nxd4 Qxd4 11. Re1 Bg4 12. c3 (12. Be3 Qd7 13. f3 Be6 14. Bf2 O-O 15. Nc3 Qc6 16. Bxe6 Qxe6 17. Nb5 Qc6 18. Rad1 a6 19. Nd4 Qa4 20. b3 Qxa2 21. Qd2 Qa3 22. Ra1 Qc5 23. Ne6 Qd5 24. Qxd5 Nxd5 25. Nxf8 Kxf8 26. Rad1 Nb4 {Adams,M (2620)-Santo Roman,M (2495) Oviedo 1992 1/2-1/2 (43)}) (12. Qf1 O-O 13. Nc3 Qd7 14. Bg5 c5 15. a4 h6 16. Bh4 g5 17. Bg3 Rac8 18. f3 Bf5 19. Rad1 Qc6 20. Nb5 Qg6 21. c4 a5 22. Nd6 Rcd8 23. Nxb7 Rxd1 24. Rxd1 Nd7 25. Bc2 Nxe5 26. Bxf5 Qxf5 {Wei,Y (2551)-Bortnik,N (2417) Kocaeli 2013 1/2-1/2 (33)}) 12... Bxe2 13. cxd4 Bc4 14. Bxc4 $146 (14. Nd2 Bxb3 15. Nxb3 O-O-O 16. Bd2 f6 17. Nc5 Rxd4 18. Bc3 Rd5 19. Ne6 Bh6 20. exf6 exf6 21. Bxf6 Re8 22. h4 Nd7 23. Bc3 Bd2 24. Red1 Rxe6 25. Rxd2 Rxd2 26. Bxd2 h5 27. Bc3 c5 28. f3 Kc7 {Gallagher,J (2520)-Sutter,O (2250) Zug 1991 1/2-1/2 (40)}) 14... Nxc4 15. b3 {Las blancas amenazan ganar material: b3xc4} Nb6 16. Nd2 O-O 17. Nf3 e6 18. a4 Nd5 {El caballo se siente cómoda en d5 } 19. Bg5 Rfc8 20. Rec1 a5 21. Rc4 h6 22. Bd2 g5 23. h3 Bf8 24. Rac1 Ba3 {Las negras amenazan ganar material: Aa3xc1} 25. Ra1 {Las blancas amenazan ganar material: Ta1xa3} Be7 {Diagrama [#]} 26. Rac1 Rcb8 27. Ra1 Kg7 28. Kf1 Kg6 29. g4 c6 30. Kg2 Rh8 31. Rh1 Rhc8 32. Rhc1 Ba3 {Las negras amenazan ganar material: Aa3xc1} 33. Ra1 {Las blancas amenazan ganar material: Ta1xa3} Bb4 34. h4 Bxd2 35. h5+ {El Blanco gana espacio} Kg7 36. Nxd2 f5 37. exf6+ Kxf6 38. Nf3 Rd8 39. Re1 Nf4+ {Amenazando} 40. Kg3 Rd5 41. Re3 Rad8 42. Rc2 Ke7 43. Rc4 Rc8 44. Rc2 c5 {Las negras amenazan ganar material: c5xd4} 45. Rec3 b6 46. Re3 Rcd8 (46... cxd4 $2 {no merece la pena porque} 47. Rxc8 dxe3 48. fxe3 $18) 47. dxc5 bxc5 48. Ne5 Kf6 49. Nc4 {Las blancas amenazan ganar material: Cc4xa5} Rd1 50. Nxa5 $4 (50. Kh2 $142 $15 {debería haberse intentado para evitar la derrota}) 50... Rh1 $19 {Diagrama [#]} (50... Rh1 51. f3 Rh3+ 52. Kf2 Rh2+ 53. Kf1 Rxc2 $19) 0-1 [Event "Werfen "] [Site "?"] [Date "1992.??.??"] [Round "8"] [White "Bielczyk, Jacek"] [Black "Neckar, Lubomir"] [Result "0-1"] [ECO "B04"] [WhiteElo "2370"] [BlackElo "2360"] [Annotator "23"] [PlyCount "102"] [EventDate "1992.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. Qe2 Bg7 8. O-O dxe5 9. dxe5 Nd4 10. Nxd4 Qxd4 11. Re1 Bg4 12. Be3 (12. Qf1 O-O 13. Nc3 Qd7 14. Bg5 c5 15. a4 h6 16. Bh4 g5 17. Bg3 Rac8 18. f3 Bf5 19. Rad1 Qc6 20. Nb5 Qg6 21. c4 a5 22. Nd6 Rcd8 23. Nxb7 Rxd1 24. Rxd1 Nd7 25. Bc2 Nxe5 26. Bxf5 Qxf5 {Wei,Y (2551)-Bortnik,N (2417) Kocaeli 2013 1/2-1/2 (33)}) (12. Qe4 Qxe4 13. Rxe4 Bf5 14. Re1 O-O-O 15. Nc3 h6 16. f4 e6 17. Be3 a6 18. Rad1 Rxd1 19. Rxd1 g5 20. g3 gxf4 21. gxf4 f6 22. exf6 Bxf6 23. Kf2 Rg8 24. Rg1 Rxg1 25. Kxg1 Bxc3 26. bxc3 Nd5 {Haba,P (2475)-Neckar,L (2360) Czechia 1994 1/2-1/2}) 12... Bxe2 (12... Qd7 13. f3 Be6 14. Bf2 O-O 15. Nc3 Qc6 16. Bxe6 Qxe6 17. Nb5 Qc6 18. Rad1 a6 19. Nd4 Qa4 20. b3 Qxa2 21. Qd2 Qa3 22. Ra1 Qc5 23. Ne6 Qd5 24. Qxd5 Nxd5 25. Nxf8 Kxf8 26. Rad1 Nb4 27. Rd2 {Adams,M (2620)-Santo Roman,M (2495) Oviedo 1992 1/2-1/2 (43)} ) 13. Bxd4 Ba6 14. Nc3 $146 (14. Bxb6 axb6 15. a4 O-O-O 16. Na3 e6 17. c4 Rd2 18. Rab1 Bf8 19. Red1 Rxd1+ 20. Rxd1 Bxa3 21. bxa3 Rd8 22. Rxd8+ Kxd8 23. f4 Kd7 24. Kf2 Kc6 25. Ke3 Kc5 26. Kd3 h5 27. g3 c6 28. Kc3 b5 {Bures,J (2263) -Hudecek,J (2323) Czechia 2009 1/2-1/2 (51)}) 14... Nc4 15. Bxc4 Bxc4 {Las negras tienen pareja de alfiles} 16. Rad1 O-O-O 17. f4 (17. Bxa7 $2 {sería estupendo si no fuera por} b6 $19) 17... Rd7 18. Be3 ({Peor es} 18. Bxa7 Rxd1 19. Rxd1 b6 $17) 18... Rhd8 19. a3 f6 20. exf6 (20. Bxa7 $2 {falla} Rxd1 21. Rxd1 Rxd1+ 22. Nxd1 b6 23. exf6 exf6 $19) 20... Bxf6 21. Rxd7 Rxd7 22. Rd1 (22. Bxa7 $2 {no lleva a ninguna parte} b6 23. Nd1 Bg8 $19) 22... Be6 23. Rxd7 Bxd7 {Final de piezas menores} 24. Nd1 (24. Bxa7 $2 {no obtiene los beneficios esperados} Bxc3 25. bxc3 b6 $19) 24... Ba4 25. b3 Bd7 {Diagrama [#]} 26. Bc1 Bd4+ 27. Ne3 Bf5 28. Kf1 Be4 29. Ke2 e5 30. fxe5 Bxe5 31. g3 h5 32. Bd2 Kd7 33. c3 Ke6 34. Be1 b5 35. c4 c6 {Consolida d5} 36. cxb5 cxb5 37. a4 a6 38. axb5 axb5 39. Nf1 Bd5 40. Nd2 Bf6 41. Bf2 Kf5 42. h3 Bg2 43. Nf3 Bxh3 44. Nd4+ Kg4 45. Nxb5 Be5 46. b4 Bg2 47. Nd4 Bxg3 48. Nc2 Bf3+ 49. Kf1 h4 50. Ne3+ (50. Nd4 {todavía da una última oportunidad} Bd5 51. Bxg3 Kxg3 52. Ne2+ Kf3 53. Ng1+ Kf4 54. Ne2+ Ke3 55. Nc3 $19) 50... Kf4 51. b5 h3 {Diagrama [#]} (51... h3 52. Bg1 h2 53. Bxh2 Bxh2 $19 (53... Kxe3 $6 {es un intento inútil} 54. Bxg3 Be2+ 55. Kg2 $11)) 0-1 [Event "Panormo zt "] [Site "?"] [Date "1998.??.??"] [Round "7"] [White "Shengelia, Davit"] [Black "Minasian, Ara"] [Result "0-1"] [ECO "B04"] [WhiteElo "2310"] [BlackElo "2450"] [Annotator "23"] [PlyCount "84"] [EventDate "1998.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. Ng5 d5 8. c3 (8. f4 f6 9. Nf3 Na5 10. O-O Bf5 11. Nbd2 Qd7 12. Nh4 O-O-O 13. Nxf5 Qxf5 14. c3 Nxb3 15. axb3 a6 16. b4 h5 17. Nb3 Bh6 18. Nc5 Nd7 19. Qb3 Nxc5 20. bxc5 c6 21. Qb6 Qd3 22. Rf3 Qd1+ { Heim,S (2420)-Binham,T (2380) Oslo 1983 1/2-1/2}) 8... f6 9. exf6 (9. Nf3 fxe5 10. Nxe5 Nxe5 11. dxe5 Bg7 12. f4 Bf5 13. O-O Qd7 14. Nd2 c5 15. Nf3 Rc8 16. Be3 Nc4 17. Bxc4 dxc4 18. Qxd7+ Kxd7 19. Rfd1+ Kc6 20. Rd2 Rhd8 21. Rad1 Rxd2 22. Rxd2 b5 23. h3 a5 {Namyslo,H (2271)-Teske,H (2486) Schwaebisch Gmuend 2006 0-1 (54)}) 9... exf6 10. Nf3 Be6 $146 (10... Bg4 11. h3 Be6 12. a4 a5 13. Bf4 Qd7 14. Na3 Bxa3 15. bxa3 O-O-O 16. Qd2 Rde8 17. O-O-O g5 18. Bg3 Nd8 19. Kb1 Nxa4 20. Ka1 Nb6 21. Ne1 Bf5 22. Nd3 Qb5 23. Bc2 Nc4 24. Qc1 Re2 25. Rhe1 { Reinert,M (2330)-Lindberg,B (2265) Copenhagen 1984 0-1}) 11. a4 Nc4 12. O-O { Las blancas enrocan y mejoran la seguridad del rey} Qd7 13. a5 N6xa5 14. Ba4 { Las blancas amenazan ganar material: Aa4xd7} Nc6 15. Re1 Kf7 {Las negras pierden el derecho a enrocarse} 16. Nbd2 Nb6 17. Bb5 a6 {Las negras amenazan ganar material: a6xb5} 18. Bf1 Re8 19. Nb3 Nc4 20. Nfd2 Nxd2 21. Bxd2 Bf5 { Diagrama [#]} 22. Rxe8 Qxe8 23. Bf4 {Las blancas amenazan ganar material: Af4xc7} Qd7 24. Qf3 Nd8 25. Nd2 Ne6 26. Be3 h5 27. h3 c6 28. c4 Bb4 29. cxd5 Qxd5 30. Qxd5 cxd5 31. Nb3 Rc8 32. Ra4 Bd6 33. Ra5 Nc7 34. Nc5 $2 (34. Ra1 $142 $17) 34... b6 $19 35. Rxa6 (35. Ra2 bxc5 36. dxc5 $19) 35... Nxa6 (35... bxc5 $6 {sucumbe a} 36. Rxd6 c4 37. Bd2 $11) 36. Nxa6 Rc2 37. g4 (37. b4 {no es la jugada salvadora} Ra2 38. f4 Ra1 $19) 37... hxg4 38. hxg4 Bxg4 39. b4 Rb2 40. b5 (40. Bd3 {no es la salvación} Be2 41. Bc1 Bxd3 42. Bxb2 Bxa6 $19) 40... Rb1 41. Kg2 Bh3+ 42. Kxh3 Rxf1 {Diagrama [#]} 0-1 [Event "Oslo tt "] [Site "?"] [Date "1983.??.??"] [Round "?"] [White "Heim, Sverre"] [Black "Binham, Timothy"] [Result "1/2-1/2"] [ECO "B04"] [WhiteElo "2420"] [BlackElo "2380"] [Annotator "23"] [PlyCount "45"] [EventDate "1983.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. Ng5 d5 8. f4 (8. c3 f6 9. Nf3 fxe5 10. Nxe5 Nxe5 11. dxe5 Bg7 12. f4 Bf5 13. O-O Qd7 14. Nd2 c5 15. Nf3 Rc8 16. Be3 Nc4 17. Bxc4 dxc4 18. Qxd7+ Kxd7 19. Rfd1+ Kc6 20. Rd2 Rhd8 21. Rad1 Rxd2 22. Rxd2 b5 { Namyslo,H (2271)-Teske,H (2486) Schwaebisch Gmuend 2006 0-1 (54)}) 8... f6 9. Nf3 Na5 $146 (9... Bg4 10. O-O Qd7 11. c3 f5 12. Qe1 Bxf3 13. Rxf3 e6 14. Nd2 Na5 15. Bc2 c5 16. dxc5 Bxc5+ 17. Kh1 Be7 18. Nb3 Nxb3 19. axb3 Qc7 20. Be3 Bc5 21. Bxc5 Qxc5 22. g4 fxg4 23. Rg3 Nd7 24. Rxg4 {Pinter,J (2510)-Henttinen,M (2290) Budapest 1981 1/2-1/2}) (9... Bf5 10. Nbd2 Qd7 11. Nf1 Na5 12. Ng3 Bg4 13. O-O f5 14. Qe1 Nxb3 15. axb3 Bxf3 16. Rxf3 e6 17. Ne2 c5 18. Be3 c4 19. Bf2 Be7 20. Bh4 Bxh4 21. Qxh4 O-O 22. Kh1 cxb3 23. cxb3 Rfc8 24. Nc3 {Nicholson,J (2310)-Kaiszauri,K (2405) Ramsgate 1979 1-0 (43)}) 10. O-O Bf5 11. Nbd2 Qd7 12. Nh4 O-O-O 13. Nxf5 Qxf5 14. c3 Nxb3 15. axb3 a6 16. b4 h5 17. Nb3 Bh6 18. Nc5 Nd7 19. Qb3 (19. b5 $142 $16) 19... Nxc5 20. bxc5 c6 21. Qb6 {Disminución de la seguridad del rey negro} Qd3 22. Rf3 {Las blancas amenazan ganar material: Tf3xd3} Qd1+ 23. Rf1 {Diagrama [#]} 1/2-1/2 [Event "Zalakaros "] [Site "?"] [Date "1996.??.??"] [Round "5"] [White "Szonyi, Bence"] [Black "Chetverik, Maxim"] [Result "0-1"] [ECO "B04"] [BlackElo "2290"] [Annotator "23"] [PlyCount "54"] [EventDate "1996.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. Ng5 e6 8. f4 (8. exd6 cxd6 9. O-O (9. Qf3 Qe7 10. c3 Bh6 11. h4 f6 12. Nf7 Bxc1 13. Nxh8 Bxb2 14. h5 g5 15. Ng6 Qf7 16. Nd2 Bxa1 17. Ne4 Kd7 18. Kd2 Nd8 19. Qxf6 Kc7 20. Rxa1 Bd7 21. Rh1 Be8 22. Nf8 Nd5 23. Qxf7+ Bxf7 {Krstic,U (2420)-Opl,K (2279) Austria 2003 1-0 (35)}) 9... d5 10. c3 Bg7 11. Re1 O-O 12. Na3 Na5 13. Bc2 Nac4 14. Nxc4 Nxc4 15. h4 e5 16. b3 Nb6 17. dxe5 Qc7 18. Ba3 {1-0 (18) Luther,T (2510)-Tatai,S (2385) Saint Vincent 1998}) 8... dxe5 9. dxe5 Qxd1+ 10. Kxd1 a5 $146 (10... Bd7 11. Nc3 Na5 12. Ke2 Bc6 13. Nge4 Be7 14. Be3 O-O-O 15. Rhd1 h5 16. g3 Rxd1 17. Rxd1 Rd8 18. Rxd8+ Kxd8 19. Bc5 Bxe4 20. Nxe4 Bxc5 21. Nxc5 Nd7 22. Ne4 Ke7 23. Ba4 b6 24. b4 Nb7 25. Ke3 {Borocz,I (2415)-Chetverik,M (2335) Zalakaros 1995 1/2-1/2 (72)} ) 11. a4 Nd4 {Diagrama [#]} 12. Nc3 Bb4 13. Be3 Nxb3 14. cxb3 Nd5 15. Nxd5 exd5 16. h3 {Controla g4} c5 17. Rc1 b6 18. Bd2 Ke7 19. Bc3 Bb7 20. Bxb4 axb4 21. Re1 h6 22. Nf3 d4 23. Rc2 Bd5 24. Nd2 Bxg2 25. Nc4 Bd5 26. Nxb6 $2 (26. Kd2 Rhb8 $19) 26... Bxb3 27. Kc1 (27. Nxa8 d3 28. Nb6 dxc2+ 29. Kc1 $19) 27... Ra6 {Diagrama [#]} (27... Ra6 28. Rxc5 Rxb6 $19) (27... Bxc2 $6 28. Kxc2 b3+ 29. Kd3 $19) 0-1 [Event "Portsmouth ch-GB "] [Site "?"] [Date "1976.??.??"] [Round "10"] [White "Romilly, PJ."] [Black "Cafferty, Bernard"] [Result "1/2-1/2"] [ECO "B04"] [BlackElo "2310"] [Annotator "23"] [PlyCount "60"] [EventDate "1976.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. Ng5 e6 8. Qf3 (8. exd6 cxd6 9. O-O d5 10. c3 Bg7 11. Re1 O-O 12. Na3 Na5 13. Bc2 Nac4 14. Nxc4 Nxc4 15. h4 e5 16. b3 Nb6 17. dxe5 Qc7 18. Ba3 {1-0 (18) Luther,T (2510)-Tatai,S (2385) Saint Vincent 1998}) 8... Qe7 9. Ne4 $146 (9. exd6 cxd6 10. Qd1 (10. c3 Bh6 11. h4 f6 12. Nf7 Bxc1 13. Nxh8 Bxb2 14. h5 g5 15. Ng6 Qf7 16. Nd2 Bxa1 17. Ne4 Kd7 18. Kd2 Nd8 19. Qxf6 Kc7 20. Rxa1 Bd7 21. Rh1 Be8 22. Nf8 Nd5 23. Qxf7+ Bxf7 24. Nxh7 g4 { Krstic,U (2420)-Opl,K (2279) Austria 2003 1-0 (35)}) (10. Be3 Bg7 11. c3 Na5 12. Nd2 Nxb3 13. axb3 Nd5 14. Qg3 e5 15. O-O f5 16. f4 h6 17. Nh3 Nxe3 18. Qxe3 exd4 19. Qg3 Kf7 20. Rae1 Qc7 21. c4 Bd7 22. Nf3 Bf6 23. Rd1 Rae8 24. Nxd4 Qc5 {Elseth,R (2255)-Westerinen,H (2390) Pohja 1985 0-1 (42)}) 10... Bg7 11. c3 O-O 12. O-O e5 13. dxe5 dxe5 14. Be3 Bf5 15. Nd2 Rad8 16. Qf3 Rd3 17. g4 Rxe3 18. Qxe3 Bxg4 19. Rae1 Na5 20. f4 Nxb3 21. Nxb3 Nd5 22. Qg3 h5 23. h3 Qd8 {Voboril, P (2225)-Jurek,J (2280) Czechia 1994 0-1 (34)}) 9... h6 {Controla g5} ({Es inferior} 9... Nxd4 10. Qc3 Nxb3 11. exd6 $18) 10. exd6 cxd6 {Diagrama [#] Las negras tienen una posición restringida} 11. Nf6+ Kd8 12. c3 {Consolida b4+d4} Bg7 13. Ne4 f5 14. Ng3 Bd7 15. O-O Na5 16. Re1 Bc6 {Las negras amenazan ganar material: Ac6xf3} 17. Qe2 Nxb3 18. axb3 {Las negras tienen pareja de alfiles} Re8 19. Be3 Nd5 20. c4 Nxe3 21. Qxe3 Qh4 {Las negras amenazan ganar material: Dh4xd4} 22. Ne2 Qg5 23. Qxg5+ hxg5 24. Nbc3 a6 25. b4 Bd7 26. b5 {Este avance gana espacio} Kc7 27. bxa6 Rxa6 28. Rxa6 bxa6 29. b4 Kb7 30. c5 {El Blanco obtiene más espacio} d5 {Diagrama [#]} 1/2-1/2 [Event "Finland tt "] [Site "?"] [Date "1991.??.??"] [Round "?"] [White "Hartio, Ilkka"] [Black "Lako, Mika"] [Result "1/2-1/2"] [ECO "B04"] [Annotator "23"] [PlyCount "49"] [EventDate "1991.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. Ng5 e6 8. exd6 cxd6 9. d5 Nxd5 10. Bxd5 exd5 {Diagrama [#]} 11. O-O h6 12. Re1+ Be7 $146 (12... Ne7 13. Qd4 Rg8 14. Nh7 Bg7 15. Nf6+ Kf8 16. Qf4 Rh8 17. Nc3 Be6 18. Nh5 gxh5 19. Rxe6 Be5 20. Rxe5 Ng6 21. Qxh6+ Rxh6 22. Bxh6+ Kg8 23. Rxh5 Qe8 24. Nxd5 Qe6 25. h3 Rc8 26. c3 Rc5 27. Rd1 {Nemec,P (2205)-Neckar,L (2360) Czechia 1994 1-0}) 13. Nf3 Be6 14. Nc3 { Las blancas amenazan ganar material: Cc3xd5} Qa5 15. Nd4 Nxd4 16. Qxd4 Kd7 { Las negras pierden el derecho a enrocarse} 17. Be3 {Las blancas tienen una posición activa} Rhc8 18. Rad1 Rc4 {Las negras amenazan ganar material: Tc4xd4} 19. Qg7 h5 20. Bd4 {El alfil le ha cogido el gusto a d4} Qd8 21. Rd2 Qf8 22. Qxf8 Bxf8 23. Ne2 Bh6 24. Be3 Bxe3 25. fxe3 {Diagrama [#]} 1/2-1/2 [Event "Praha "] [Site "?"] [Date "1988.??.??"] [Round "4"] [White "Damjanovic, Mato"] [Black "Neckar, Lubomir"] [Result "1/2-1/2"] [ECO "B04"] [WhiteElo "2325"] [BlackElo "2380"] [Annotator "23"] [PlyCount "96"] [EventDate "1988.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. Ng5 e6 8. exd6 cxd6 9. O-O (9. Qf3 Qe7 10. c3 Bh6 11. h4 f6 12. Nf7 Bxc1 13. Nxh8 Bxb2 14. h5 g5 15. Ng6 Qf7 16. Nd2 Bxa1 17. Ne4 Kd7 18. Kd2 Nd8 19. Qxf6 Kc7 20. Rxa1 Bd7 21. Rh1 Be8 22. Nf8 Nd5 23. Qxf7+ Bxf7 {Krstic,U (2420)-Opl,K (2279) Austria 2003 1-0 (35)}) (9. d5 Nxd5 10. Bxd5 exd5 11. O-O h6 12. Re1+ Ne7 13. Qd4 Rg8 14. Nh7 Bg7 15. Nf6+ Kf8 16. Qf4 Rh8 17. Nc3 Be6 18. Nh5 gxh5 19. Rxe6 Be5 20. Rxe5 Ng6 21. Qxh6+ Rxh6 22. Bxh6+ Kg8 23. Rxh5 Qe8 {Nemec,P (2205)-Neckar,L (2360) Czechia 1994 1-0}) 9... h6 $146 {Las negras amenazan ganar material: h6xg5} (9... d5 10. c3 Bg7 11. Re1 O-O 12. Na3 Na5 13. Bc2 Nac4 14. Nxc4 Nxc4 15. h4 e5 16. b3 Nb6 17. dxe5 Qc7 18. Ba3 {1-0 (18) Luther,T (2510)-Tatai,S (2385) Saint Vincent 1998}) 10. Nf3 Bg7 11. d5 Nxd5 12. Bxd5 exd5 13. Re1+ Be6 14. Nc3 {Las blancas amenazan ganar material: Cc3xd5} O-O {Las negras enrocan y mejoran la seguridad del rey} 15. Nxd5 Qa5 {Las negras amenazan ganar material: Da5xd5} 16. Ne3 d5 17. c3 {Cubre b4+d4} d4 18. cxd4 Nxd4 19. Nxd4 Bxd4 {Las negras tienen una posición activa} 20. Bd2 {Las blancas amenazan ganar material: Ad2xa5} Qb6 21. Bc3 Bxc3 22. bxc3 Rfd8 23. Qf3 Qc6 {Las negras amenazan ganar material: Dc6xc3} 24. Qf4 {Las blancas amenazan ganar material: Df4xh6} Qxc3 {Diagrama [#]} 25. Qxh6 Qf6 26. Nf1 Rd4 27. Qe3 Rad8 28. Ng3 Bd5 29. a3 Bc6 30. h3 a6 31. Qc3 Qd6 32. Nf1 Rd3 33. Qb2 Qf4 34. Qe5 Qxe5 35. Rxe5 Rd1 36. Re1 Rxe1 37. Rxe1 Rd3 38. Ra1 b5 39. Ne3 f5 40. Kf1 f4 {Las negras amenazan ganar material: f4xe3} 41. Ng4 Rb3 42. Ne5 {Las blancas amenazan ganar material: Ce5xc6} Be4 43. Nd7 Bd3+ 44. Kg1 Rc3 45. Nf6+ Kf7 {Las negras amenazan ganar material: Rf7xf6} 46. Nd5 Rc4 47. Nb4 { Las blancas amenazan ganar material: Cb4xd3} Bf5 48. Nxa6 Ke6 {Diagrama [#]} 1/2-1/2 [Event "Kielce jr "] [Site "?"] [Date "1988.??.??"] [Round "?"] [White "Gilewski, Maciej"] [Black "Ilczuk, Jacek"] [Result "0-1"] [ECO "B04"] [BlackElo "2290"] [Annotator "23"] [PlyCount "24"] [EventDate "1988.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. Ng5 e6 8. Qf3 Qe7 9. exd6 cxd6 10. c3 Bh6 11. Nxf7 $4 $146 {un despiste. Pero el Blanco estaba perdido de todas formas.} (11. h4 f6 12. Nf7 Bxc1 13. Nxh8 Bxb2 14. h5 g5 15. Ng6 Qf7 16. Nd2 Bxa1 17. Ne4 Kd7 18. Kd2 Nd8 19. Qxf6 Kc7 20. Rxa1 Bd7 21. Rh1 Be8 22. Nf8 Nd5 23. Qxf7+ Bxf7 24. Nxh7 g4 25. Nhg5 Nf4 {Krstic,U (2420)-Opl,K (2279) Austria 2003 1-0 (35)}) (11. h4 $142 f6 12. Nd2 fxg5 13. Ne4 $17) 11... Bxc1 $19 12. O-O Qxf7 { Diagrama [#]} (12... Qxf7 13. Qxf7+ Kxf7 14. Rxc1 Bd7 $19) 0-1 [Event "Werfen "] [Site "?"] [Date "1993.??.??"] [Round "7"] [White "Staller, Peter"] [Black "Neckar, Lubomir"] [Result "1/2-1/2"] [ECO "B04"] [WhiteElo "2385"] [BlackElo "2360"] [Annotator "23"] [PlyCount "64"] [EventDate "1993.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. Ng5 e6 8. exd6 cxd6 9. c3 $146 {Asegura b4} (9. d5 Nxd5 10. Bxd5 exd5 11. O-O Be7 (11... h6 12. Re1+ Ne7 13. Qd4 Rg8 14. Nh7 Bg7 15. Nf6+ Kf8 16. Qf4 Rh8 17. Nc3 Be6 18. Nh5 gxh5 19. Rxe6 Be5 20. Rxe5 Ng6 21. Qxh6+ Rxh6 22. Bxh6+ Kg8 23. Rxh5 Qe8 24. Nxd5 Qe6 25. h3 Rc8 26. c3 { Nemec,P (2205)-Neckar,L (2360) Czechia 1994 1-0}) 12. Nf3 O-O 13. Nc3 d4 14. Nd5 Bg4 15. Bh6 Ne5 16. Kh1 Re8 17. Qxd4 Bxf3 18. gxf3 Rc8 19. f4 Rc4 20. Qe3 Ng4 21. Qe2 Bf8 22. Qxg4 Bxh6 23. Rae1 Rce4 {Ciolac,G (2305)-Neckar,L (2340) Werfen 1990 0-1 (63)}) (9. O-O d5 (9... h6 10. Nf3 Bg7 11. d5 Nxd5 12. Bxd5 exd5 13. Re1+ Be6 14. Nc3 O-O 15. Nxd5 Qa5 16. Ne3 d5 17. c3 d4 18. cxd4 Nxd4 19. Nxd4 Bxd4 20. Bd2 Qb6 21. Bc3 Bxc3 22. bxc3 Rfd8 23. Qf3 Qc6 24. Qf4 { Damjanovic,M (2325)-Neckar,L (2380) Prague 1988 1/2-1/2 (48)}) 10. c3 Bg7 11. Re1 O-O 12. Na3 Na5 13. Bc2 Nac4 14. Nxc4 Nxc4 15. h4 e5 16. b3 Nb6 17. dxe5 Qc7 18. Ba3 {1-0 (18) Luther,T (2510)-Tatai,S (2385) Saint Vincent 1998}) (9. Qf3 Qe7 10. c3 Bh6 11. h4 f6 12. Nf7 Bxc1 13. Nxh8 Bxb2 14. h5 g5 15. Ng6 Qf7 16. Nd2 Bxa1 17. Ne4 Kd7 18. Kd2 Nd8 19. Qxf6 Kc7 20. Rxa1 Bd7 21. Rh1 Be8 22. Nf8 Nd5 23. Qxf7+ Bxf7 {Krstic,U (2420)-Opl,K (2279) Austria 2003 1-0 (35)}) 9... Bg7 10. O-O h6 {Las negras amenazan ganar material: h6xg5} 11. Nf3 O-O 12. a4 e5 13. a5 {Las blancas amenazan ganar material: a5xb6} Nd7 14. a6 bxa6 15. dxe5 Ndxe5 {Las blancas tienen nuevos peones colgantes: b2+c3.} 16. Bd5 Rb8 { Diagrama [#]} 17. Nd4 {Las blancas amenazan ganar material: Cd4xc6} Ne7 18. Ba2 a5 19. Qc2 Nf5 20. Rd1 Kh7 21. Na3 Qh4 22. Nab5 a6 23. Nc7 Nxd4 24. cxd4 Bf5 { Las negras amenazan ganar material: Af5xc2} 25. Qc3 $2 (25. Qd2 Nc6 26. Nxa6 $17) 25... Ng4 $19 26. Qg3 Qxg3 27. hxg3 Rbc8 28. Nd5 Bc2 29. Rd2 Rfe8 30. Kf1 Nh2+ $4 {quitándole la presión al oponente} (30... Be4 $142 $19 {una pena que el Negro no hubiese intentado}) 31. Kg1 $11 {Las blancas amenazan ganar material: Rg1xh2} Ng4 {Dos repeticiones} 32. Kf1 Nh2+ {Diagrama [#]} 1/2-1/2 [Event "cr "] [Site "?"] [Date "1990.??.??"] [Round "?"] [White "Zimmermann, Bernd"] [Black "Teichmann, Cenek"] [Result "1/2-1/2"] [ECO "B04"] [Annotator "23"] [PlyCount "35"] [EventDate "1990.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. e6 fxe6 8. Nc3 $146 (8. Ng5 d5 (8... Bg7 9. Bxe6 Rf8 10. d5 Nd4 11. Bxc8 (11. O-O Nxe6 12. dxe6 h6 13. Qd3 Rf6 14. Nf7 Rxf7 15. exf7+ Kxf7 16. a4 d5 17. a5 Nc4 18. Rd1 Bf5 19. Qf3 c6 20. Na3 Ne5 21. Qe2 Qxa5 22. Bf4 Qa6 23. Qe3 Ng4 24. Qf3 Nf6 25. h3 Be4 {Binham,T (2375)-Rantanen, Y (2460) Helsinki 1981 0-1}) 11... Qxc8 12. O-O Qf5 13. Nc3 h6 14. Be3 Nxd5 15. Nxd5 Qxd5 16. Bxd4 Bxd4 17. Nf3 Rxf3 18. Qxf3 Qxf3 19. gxf3 Bxb2 20. Rab1 Bd4 21. Rfe1 b6 22. Re4 Bf6 23. Kg2 {Raaste,E (2390)-Rantanen,Y (2460) Helsinki 1981 0-1 (57)}) 9. Qf3 Qd7 10. Qf7+ Kd8 11. Qf4 Ke8 12. Qf7+ Kd8 13. Qf4 Ke8 14. Qf7+ {1/2-1/2 (14) Schaufelberger,H (2355)-Ljubojevic,L (2565) Bath 1973}) (8. h4 e5 (8... Bg7 9. h5 Na5 10. hxg6 Nxb3 11. axb3 hxg6 12. Rxh8+ Bxh8 13. Qd3 Kf7 14. Ng5+ Kg7 15. Nc3 Nd5 16. Ne2 c6 17. c4 Nc7 18. Nf4 Qe8 19. Bd2 e5 20. dxe5 Bf5 21. Qg3 Qg8 22. exd6 exd6 23. O-O-O {Kalashian,D (2378)-Dobrev,N (2407) Moscow 2006 1-0 (34)}) 9. dxe5 Bg4 10. Qe2 Bg7 11. Bf7+ Kxf7 12. Ng5+ Ke8 13. Qxg4 Nxe5 14. Qh3 Qd7 15. Ne6 Kf7 16. Ng5+ Ke8 17. Qb3 d5 18. O-O h6 19. Nh3 Qa4 20. Qe3 Qxh4 21. f4 Ng4 22. Qd3 Qh5 {Polgar,J (2555)-Hansen,C (2525) Aabenraa 1989 0-1}) 8... Bg7 9. h4 e5 10. dxe5 Nxe5 11. Ng5 e6 12. Nxe6 Bxe6 13. Bxe6 {Las blancas tienen pareja de alfiles. El Blanco evita el enroque corto} Qe7 14. Nd5 Nxd5 15. Qxd5 c6 {Las negras amenazan ganar material: c6xd5} 16. Qb3 d5 17. Qh3 Rf8 18. O-O {Diagrama [#]} 1/2-1/2 [Event "Abenra rapid "] [Site "?"] [Date "1989.??.??"] [Round "6"] [White "Polgar, Judit"] [Black "Hansen, Curt"] [Result "0-1"] [ECO "B04"] [WhiteElo "2555"] [BlackElo "2525"] [Annotator "23"] [PlyCount "59"] [EventDate "1989.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. e6 fxe6 8. h4 (8. Ng5 Bg7 9. c3 d5 10. f4 Bh6 11. h4 Bxg5 12. hxg5 e5 13. dxe5 Bf5 14. Be3 Nc4 15. Bxc4 dxc4 16. Qxd8+ Rxd8 17. Na3 Rd3 18. Kf2 Be6 19. Nc2 O-O 20. Ne1 Rd5 21. Nf3 Rb5 22. Bc1 Rd8 { Varavin,V (2520)-Dyachkov,S (2515) Elista 1996 1-0 (46)}) 8... e5 $146 (8... Bg7 9. h5 e5 (9... Na5 10. hxg6 Nxb3 11. axb3 hxg6 12. Rxh8+ Bxh8 13. Qd3 Kf7 14. Ng5+ Kg7 15. Nc3 Nd5 16. Ne2 c6 17. c4 Nc7 18. Nf4 Qe8 19. Bd2 e5 20. dxe5 Bf5 21. Qg3 Qg8 22. exd6 exd6 23. O-O-O Kf8 24. Bb4 {Kalashian,D (2378)-Dobrev, N (2407) Moscow 2006 1-0 (34)}) 10. Ng5 d5 11. hxg6 hxg6 12. Rxh8+ Bxh8 13. dxe5 Nxe5 14. Nc3 c6 15. f4 Bg4 16. Qd2 Nec4 17. Qd3 Bf5 18. Qf3 Qd7 19. a4 a5 20. Bxc4 Nxc4 21. b3 Nd6 22. Bb2 Nf7 23. Nxf7 {Peralta,E (2255)-Darcyl,T (2365) Buenos Aires 1992 0-1 (32)}) 9. dxe5 Bg4 (9... Nxe5 $2 {no funciona} 10. Nxe5 e6 11. Nf3 $18) 10. Qe2 {Las blancas tienen una posición muy activa} Bg7 11. Bf7+ Kxf7 {Diagrama [#]} 12. Ng5+ Ke8 13. Qxg4 Nxe5 14. Qh3 Qd7 15. Ne6 Kf7 16. Ng5+ Ke8 {Dos repeticiones} 17. Qb3 (17. Ne6 $142 $5 $11 {permitiría al Blanco seguir jugando}) 17... d5 $17 18. O-O h6 19. Nh3 Qa4 20. Qe3 Qxh4 21. f4 Ng4 22. Qd3 {[%cal Yf4f5] el Blanco intenta f5} Qh5 23. f5 $2 (23. Re1 $142 $19) 23... Rf8 24. Nc3 Rxf5 25. Bf4 c6 26. Ne2 Ne5 (26... Bxb2 $6 27. Ng3 Qh4 28. Nxf5 gxf5 29. Bg3 $19) 27. Bxe5 Bxe5 28. Nef4 Qg4 29. Nxg6 Qd4+ (29... Qxg6 $6 {es claramente más débil} 30. Rxf5 Qg7 31. Nf4 Bxb2 32. Re1 Qd4+ 33. Kh2 Qxd3 34. cxd3 $17) 30. Kh1 {Diagrama [#]} 0-1 [Event "cr Wch-14 sf "] [Site "?"] [Date "1984.??.??"] [Round "?"] [White "Postovsky, Boris"] [Black "Podgorny, Jiri"] [Result "0-1"] [ECO "B04"] [Annotator "23"] [PlyCount "54"] [EventDate "1984.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. e6 fxe6 8. h4 Bg7 9. h5 e5 10. hxg6 hxg6 11. Rxh8+ Bxh8 {Diagrama [#]} 12. Nh4 Nxd4 13. Nxg6 Bf6 14. Qh5 Kd7 15. g4 $146 ( 15. Nc3 c6 16. Ne4 Kc7 17. Be3 Nxb3 18. axb3 Be6 19. Ng5 Bd7 20. c4 Qg8 21. Nh4 Qg7 22. Bxb6+ Kxb6 23. c5+ Kc7 24. cxd6+ exd6 25. Ne4 Bxh4 26. O-O-O Be7 27. Rh1 d5 28. Ng3 Qg5+ 29. Qxg5 Bxg5+ {Kotan,L (2370)-Fekete,A (2245) Hungary 1996 0-1 (36)}) 15... c6 {Las negras tienen una posición restringida. La pieza negra no se puede mover: c8} 16. g5 {Las blancas amenazan ganar material: g5xf6 } Bg7 {La pieza negra no se puede mover: c8} ({En vez de} 16... Nxb3 17. gxf6 Nxa1 18. f7 Nxc2+ 19. Kf1 $16) 17. Qh7 Nf5 18. Nxe5+ Bxe5 ({Más débil es} 18... dxe5 19. Qxf5+ Kc7 20. Qe4 $11) 19. Qxf5+ Kc7 20. Qf3 Qh8 21. c3 Bg4 22. Qxg4 Qh1+ 23. Kd2 Rf8 24. Kc2 Rxf2+ 25. Bd2 Bf4 26. Qf5 $4 {causa problemas aún mayores} (26. Qd1 $142 Qg2 27. g6 $17) 26... Qg2 $19 27. Qd3 (27. Be6 {no puede cambiar lo que espera al Blanco} Bxd2 (27... Rxd2+ $6 28. Nxd2 Qxd2+ 29. Kb3 $11) 28. Qxf2 Qxf2 29. Nxd2 d5 $19) 27... Nd7 {Diagrama [#]} (27... Nd7 28. Qd4 Nc5 $19) 0-1 [Event "Germany Bundesliga B /85 "] [Site "?"] [Date "1984.??.??"] [Round "6"] [White "Heil, Siegfried"] [Black "Westerinen, Heikki"] [Result "0-1"] [ECO "B04"] [Annotator "23"] [PlyCount "78"] [EventDate "1984.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. e6 fxe6 8. Ng5 (8. h4 e5 (8... Bg7 9. h5 Na5 10. hxg6 Nxb3 11. axb3 hxg6 12. Rxh8+ Bxh8 13. Qd3 Kf7 14. Ng5+ Kg7 15. Nc3 Nd5 16. Ne2 c6 17. c4 Nc7 18. Nf4 Qe8 19. Bd2 e5 20. dxe5 Bf5 21. Qg3 Qg8 22. exd6 exd6 23. O-O-O {Kalashian,D (2378)-Dobrev,N (2407) Moscow 2006 1-0 (34)}) 9. dxe5 Bg4 10. Qe2 Bg7 11. Bf7+ Kxf7 12. Ng5+ Ke8 13. Qxg4 Nxe5 14. Qh3 Qd7 15. Ne6 Kf7 16. Ng5+ Ke8 17. Qb3 d5 18. O-O h6 19. Nh3 Qa4 20. Qe3 Qxh4 21. f4 Ng4 22. Qd3 Qh5 {Polgar,J (2555)-Hansen,C (2525) Aabenraa 1989 0-1}) 8... d5 9. Qf3 Nxd4 $146 (9... Qd7 10. Qf7+ Kd8 11. Qf4 Ke8 12. Qf7+ Kd8 13. Qf4 Ke8 14. Qf7+ {1/2-1/2 (14) Schaufelberger,H (2355)-Ljubojevic,L (2565) Bath 1973}) 10. Qf7+ Kd7 {Las negras pierden el derecho a enrocarse} 11. Be3 {Las blancas amenazan ganar material: Ae3xd4} Bh6 ({Más débil es} 11... Nxb3 12. Qxe6+ Ke8 13. Qf7+ Kd7 14. axb3 $16) 12. Bxd4 Bxg5 13. Bxh8 Qxh8 14. Nc3 Bf6 15. O-O c6 16. Rad1 Kc7 17. Rd3 Nd7 18. Rh3 (18. Qxe6 $4 {el peón es un hueso que se le atragantará al Blanco} Ne5 19. Nxd5+ Kb8 20. Qxe5+ Bxe5 21. Nxe7 Bxh2+ 22. Kxh2 Qe5+ 23. Kg1 Qxe7 $19) 18... Nf8 19. Re1 $4 {deteriora aún más la posición} ( 19. Qe8 $142 $17) 19... Bd7 $19 20. Rf3 Be8 {Diagrama [#]} 21. Rxf6 Qxf6 (21... Bxf7 $142 {parece mejor} 22. Rxf7 Re8 23. Nd1 $19) 22. Qxf6 exf6 23. f4 Bf7 24. g4 g5 25. fxg5 fxg5 26. Nd1 Ng6 27. Ne3 Nf4 28. c4 d4 29. Nf5 Rd8 30. Ng3 Bg6 31. Bd1 Nd3 32. Re2 e5 33. b3 Re8 34. Rd2 e4 (34... Nf4 $142 $5 {lo haría todo más fácil para el Negro} 35. a3 $19) 35. Be2 c5 36. Nxe4 Rxe4 (36... Bxe4 $6 37. Bxd3 Bxd3 38. Rxd3 $19) 37. Bxd3 Rxg4+ 38. Kf2 Rf4+ 39. Ke2 (39. Ke1 {no hay nada mejor en la posición} Bxd3 40. Rxd3 $19) 39... Rh4 {Diagrama [#]} ( 39... Rh4 40. Ke1 Bxd3 41. Rxd3 Rxh2 $19) 0-1 [Event "cr "] [Site "?"] [Date "1997.??.??"] [Round "?"] [White "Sikora, Marek"] [Black "Kwiecien, Jaroslaw"] [Result "0-1"] [ECO "B04"] [Annotator "23"] [PlyCount "76"] [EventDate "1997.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. e6 fxe6 8. Ng5 (8. h4 e5 (8... Bg7 9. h5 Na5 10. hxg6 Nxb3 11. axb3 hxg6 12. Rxh8+ Bxh8 13. Qd3 Kf7 14. Ng5+ Kg7 15. Nc3 Nd5 16. Ne2 c6 17. c4 Nc7 18. Nf4 Qe8 19. Bd2 e5 20. dxe5 Bf5 21. Qg3 Qg8 22. exd6 exd6 23. O-O-O {Kalashian,D (2378)-Dobrev,N (2407) Moscow 2006 1-0 (34)}) 9. dxe5 Bg4 10. Qe2 Bg7 11. Bf7+ Kxf7 12. Ng5+ Ke8 13. Qxg4 Nxe5 14. Qh3 Qd7 15. Ne6 Kf7 16. Ng5+ Ke8 17. Qb3 d5 18. O-O h6 19. Nh3 Qa4 20. Qe3 Qxh4 21. f4 Ng4 22. Qd3 Qh5 {Polgar,J (2555)-Hansen,C (2525) Aabenraa 1989 0-1}) 8... Nd5 $146 (8... d5 9. Qf3 Qd7 10. Qf7+ Kd8 11. Qf4 Ke8 12. Qf7+ Kd8 13. Qf4 Ke8 14. Qf7+ {1/2-1/2 (14) Schaufelberger,H (2355)-Ljubojevic,L (2565) Bath 1973}) (8... Bg7 9. Bxe6 Rf8 10. d5 Nd4 11. Bxc8 (11. O-O Nxe6 12. dxe6 h6 13. Qd3 Rf6 14. Nf7 Rxf7 15. exf7+ Kxf7 16. a4 d5 17. a5 Nc4 18. Rd1 Bf5 19. Qf3 c6 20. Na3 Ne5 21. Qe2 Qxa5 22. Bf4 Qa6 23. Qe3 Ng4 24. Qf3 Nf6 25. h3 Be4 {Binham,T (2375) -Rantanen,Y (2460) Helsinki 1981 0-1}) 11... Qxc8 12. O-O Qf5 13. Nc3 h6 14. Be3 Nxd5 15. Nxd5 Qxd5 16. Bxd4 Bxd4 17. Nf3 Rxf3 18. Qxf3 Qxf3 19. gxf3 Bxb2 20. Rab1 Bd4 21. Rfe1 b6 22. Re4 Bf6 23. Kg2 {Raaste,E (2390)-Rantanen,Y (2460) Helsinki 1981 0-1 (57)}) 9. Nc3 {Las blancas amenazan ganar material: Cc3xd5} Bg7 10. Nxd5 exd5 11. Bxd5 e6 {Las negras amenazan ganar material: e6xd5} 12. Qf3 {Las blancas amenazan mate} Bf6 13. Bxc6+ bxc6 14. Qxc6+ Bd7 {Las negras amenazan ganar material: Ad7xc6} 15. Qe4 O-O 16. Nxe6 Re8 17. d5 c6 18. O-O cxd5 19. Nxd8 Rxe4 {Diagrama [#]} 20. Nb7 {Las blancas amenazan ganar material: Cb7xd6} Re2 21. c4 dxc4 22. Nxd6 {Las blancas tienen una posición restringida.} Re6 23. Nb7 Rb6 {Las negras amenazan ganar material: Tb6xb7} 24. Nc5 {Las blancas amenazan ganar material: Cc5xd7} Bc6 25. a4 Re8 26. Rd1 Bd4 27. a5 Rb5 28. Na6 Re2 29. h3 Bxf2+ 30. Kf1 Rc2 31. Rd8+ Kf7 32. Rd6 $4 {la posición era insostenible y este error sólo acelera el final} (32. Rd2 Rxd2 33. Bxd2 $19) 32... c3 33. bxc3 Rd5 34. Rxd5 Bxd5 35. Ra4 Bg3 (35... Rxc1+ $6 {es una alternativa más débil} 36. Kxf2 Rc2+ 37. Ke3 Rxg2 38. Rf4+ Ke7 39. Nb4 Rg3+ 40. Kd4 $11) (35... Rxc3 $6 {es imposible} 36. Bd2 Rc2 37. Rf4+ Ke6 38. Rxf2 Bc4+ 39. Kg1 Bxa6 40. Be3 $11) 36. Be3 Bxg2+ 37. Kg1 Bc6 38. Rb4 (38. Rf4+ {un infructuoso intento para alterar el curso de la partida} Bxf4 39. Bxf4 Rxc3 $19 ) 38... Re2 {Diagrama [#]} (38... Re2 39. Rf4+ Kg8 $19) 0-1 [Event "Elista ch-RUS "] [Site "?"] [Date "1996.??.??"] [Round "9"] [White "Varavin, Viktor"] [Black "Diachkov, Sergey"] [Result "1-0"] [ECO "B04"] [WhiteElo "2520"] [BlackElo "2515"] [Annotator "23"] [PlyCount "91"] [EventDate "1996.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. e6 fxe6 8. Ng5 (8. h4 e5 (8... Bg7 9. h5 Na5 10. hxg6 Nxb3 11. axb3 hxg6 12. Rxh8+ Bxh8 13. Qd3 Kf7 14. Ng5+ Kg7 15. Nc3 Nd5 16. Ne2 c6 17. c4 Nc7 18. Nf4 Qe8 19. Bd2 e5 20. dxe5 Bf5 21. Qg3 Qg8 22. exd6 exd6 23. O-O-O {Kalashian,D (2378)-Dobrev,N (2407) Moscow 2006 1-0 (34)}) 9. dxe5 Bg4 10. Qe2 Bg7 11. Bf7+ Kxf7 12. Ng5+ Ke8 13. Qxg4 Nxe5 14. Qh3 Qd7 15. Ne6 Kf7 16. Ng5+ Ke8 17. Qb3 d5 18. O-O h6 19. Nh3 Qa4 20. Qe3 Qxh4 21. f4 Ng4 22. Qd3 Qh5 {Polgar,J (2555)-Hansen,C (2525) Aabenraa 1989 0-1}) 8... Bg7 9. c3 $146 {Previene el salto o el avance a b4} (9. Bxe6 Rf8 10. d5 Nd4 11. Bxc8 (11. O-O Nxe6 12. dxe6 h6 13. Qd3 Rf6 14. Nf7 Rxf7 15. exf7+ Kxf7 16. a4 d5 17. a5 Nc4 18. Rd1 Bf5 19. Qf3 c6 20. Na3 Ne5 21. Qe2 Qxa5 22. Bf4 Qa6 23. Qe3 Ng4 24. Qf3 Nf6 25. h3 Be4 {Binham,T (2375)-Rantanen,Y (2460) Helsinki 1981 0-1}) 11... Qxc8 12. O-O Qf5 13. Nc3 h6 14. Be3 Nxd5 15. Nxd5 Qxd5 16. Bxd4 Bxd4 17. Nf3 Rxf3 18. Qxf3 Qxf3 19. gxf3 Bxb2 20. Rab1 Bd4 21. Rfe1 b6 22. Re4 Bf6 23. Kg2 h5 {Raaste,E (2390)-Rantanen,Y (2460) Helsinki 1981 0-1 (57)}) 9... d5 10. f4 Bh6 11. h4 Bxg5 12. hxg5 e5 13. dxe5 Bf5 14. Be3 Nc4 15. Bxc4 dxc4 16. Qxd8+ Rxd8 {Hay alfiles de colores opuestos} ({No} 16... Kxd8 17. Na3 $16) 17. Na3 { Las blancas amenazan ganar material: Ca3xc4} Rd3 {Las negras amenazan ganar material: Td3xe3} 18. Kf2 {Las blancas pierden el derecho a enrocarse} Be6 19. Nc2 O-O 20. Ne1 {Las blancas amenazan ganar material: Ce1xd3} Rd5 21. Nf3 Rb5 { Las negras amenazan ganar material: Tb5xb2} 22. Bc1 Rd8 23. Ke2 Bg4 {Diagrama [#]} 24. a4 Rb6 25. Ra2 Rd3 {La torre negra está en un puesto avanzado} 26. Be3 Rb3 27. Bc5 a5 28. Rd1 {Las blancas amenazan ganar material: Td1xd3} b6 {Las negras amenazan ganar material: b6xc5} 29. Ba3 Nb4 30. Bxb4 Rxd1 31. Kxd1 axb4 32. Kd2 Bxf3 33. gxf3 c5 34. Kc2 $2 (34. e6 $142 $15) 34... Kf7 $4 {hay mejores maneras de mantener la presión} (34... Rxc3+ 35. bxc3 b3+ 36. Kb2 bxa2 37. e6 $17) 35. f5 $4 {da contrajuego al oponente} (35. a5 $142 bxa5 36. Rxa5 bxc3 37. bxc3 $18) 35... gxf5 (35... Rxc3+ $142 36. bxc3 b3+ 37. Kb2 bxa2 $17) 36. f4 $4 {permite que el contrincante vuelva a entrar en la partida} (36. a5 bxc3 37. bxc3 bxa5 38. Rxa5 f4 $11) 36... bxc3 (36... Rxc3+ $142 $1 {asegura la victoria} 37. Kd2 b3 $19) 37. bxc3 $11 Ke6 38. Ra1 Kd5 39. Rh1 {Las blancas amenazan ganar material: Th1xh7} Ra3 {Las negras amenazan ganar material: Ta3xa4} 40. Rxh7 Rxa4 41. Rxe7 {Las blancas tienen peones pasados protegidos: e5+g5} Ra2+ 42. Kb1 {Las blancas amenazan ganar material: Rb1xa2} Rg2 43. Rd7+ Ke4 $4 (43... Ke6 $142 {es la mejor apuesta para salvar la posición} 44. Rd6+ Ke7 45. Rxb6 Rg4 $11) 44. e6 $18 Kxf4 (44... Rg1+ {no saca la partida del atolladero} 45. Kc2 Rh1 46. e7 $18) 45. e7 Re2 (45... Rg1+ {no sirve para bajar al gato del árbol} 46. Kb2 Rg2+ 47. Ka3 $18) 46. g6 {Diagrama [#]} (46. g6 Re1+ 47. Kb2 Re2+ 48. Ka3 $18) 1-0 [Event "Budapest ch-HU "] [Site "?"] [Date "1973.??.??"] [Round "?"] [White "Sax, Gyula"] [Black "Hazai, Laszlo"] [Result "1/2-1/2"] [ECO "B04"] [WhiteElo "2460"] [BlackElo "2200"] [Annotator "23"] [PlyCount "65"] [EventDate "1973.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Bc4 Nb6 5. Bb3 Nc6 6. e6 fxe6 7. Nf3 g6 8. Ng5 Bg7 9. Bxe6 Rf8 10. d5 Nd4 11. c3 $146 (11. Bxc8 Qxc8 12. O-O Qf5 13. Nc3 h6 14. Be3 Nxd5 15. Nxd5 Qxd5 16. Bxd4 Bxd4 17. Nf3 Rxf3 18. Qxf3 Qxf3 19. gxf3 Bxb2 20. Rab1 Bd4 21. Rfe1 b6 22. Re4 Bf6 23. Kg2 h5 24. f4 d5 25. Re3 Kf7 {Raaste,E (2390)-Rantanen,Y (2460) Helsinki 1981 0-1 (57)}) (11. O-O Nxe6 12. dxe6 h6 13. Qd3 Rf6 14. Nf7 Rxf7 15. exf7+ Kxf7 16. a4 d5 17. a5 Nc4 18. Rd1 Bf5 19. Qf3 c6 20. Na3 Ne5 21. Qe2 Qxa5 22. Bf4 Qa6 23. Qe3 Ng4 24. Qf3 Nf6 25. h3 Be4 {Binham,T (2375)-Rantanen,Y (2460) Helsinki 1981 0-1}) (11. Nxh7 Nxe6 12. dxe6 Rf5 13. Ng5 Re5+ 14. Be3 Bxe6 15. Qd3 Rxg5 16. Bxg5 Kd7 17. Nd2 c6 18. O-O Bxb2 19. Rae1 Qg8 20. Nb3 Kc7 21. Bxe7 Nc8 22. Rd1 Ba3 23. Rfe1 Bf5 24. Qc3 a5 25. Nxa5 Qxa2 {Michalek,J (2285)-Konopka,M (2445) Czechia 1997 1-0 (34)}) 11... Nxe6 12. dxe6 c6 13. O-O Rf6 14. Nxh7 Rxe6 15. Qg4 d5 {Diagrama [#]} 16. Bf4 Nc4 {Las negras amenazan ganar material: Cc4xb2} 17. b3 {Las blancas amenazan ganar material: b3xc4} Nd6 18. h4 Ne4 19. h5 g5 20. Nxg5 Rf6 21. Qh4 e5 {Las negras amenazan ganar material: e5xf4} 22. Bc1 ({Es inferior} 22. Bxe5 Rf5 23. Bxg7 Rxg5 $17) 22... Rh6 23. f3 {Las blancas amenazan ganar material: f3xe4} Nf6 {Las negras amenazan ganar material: Cf6xh5} 24. Qe1 Nxh5 25. g4 Rg6 26. gxh5 Rxg5+ 27. Bxg5 Qxg5+ 28. Kf2 Bh6 29. Rh1 Be6 30. Qg1 Qe3+ 31. Kg2 Qg5+ 32. Kf2 Qe3+ 33. Kg2 {Diagrama [#]} 1/2-1/2 [Event "Kiev "] [Site "?"] [Date "1997.??.??"] [Round "6"] [White "Frolov, Artur"] [Black "Pesotsky, Vitaly"] [Result "1/2-1/2"] [ECO "B04"] [WhiteElo "2515"] [BlackElo "2415"] [Annotator "23"] [PlyCount "110"] [EventDate "1997.??.??"] {B04: Defensa Alekhine (Variante moderna 4.Cf3)} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. e6 fxe6 8. Ng5 Bg7 9. Bxe6 Rf8 10. d5 Nd4 11. O-O Bxe6 $146 (11... Nxe6 12. dxe6 h6 13. Qd3 Rf6 14. Nf7 Rxf7 15. exf7+ Kxf7 16. a4 d5 17. a5 Nc4 18. Rd1 Bf5 19. Qf3 c6 20. Na3 Ne5 21. Qe2 Qxa5 22. Bf4 Qa6 23. Qe3 Ng4 24. Qf3 Nf6 25. h3 Be4 26. Qe3 {Binham,T (2375)-Rantanen,Y (2460) Helsinki 1981 0-1}) 12. dxe6 h6 13. c3 hxg5 14. cxd4 Qc8 {Las negras amenazan ganar material: Dc8xe6} 15. Re1 c5 16. dxc5 Qxc5 17. Be3 {Las blancas amenazan ganar material: Ae3xc5} Qd5 {Las negras amenazan ganar material: Dd5xe6} 18. Nc3 Qxd1 19. Raxd1 Rf5 20. g4 Ra5 21. Bd4 {Las blancas amenazan ganar material: Ad4xg7} Kf8 {Las negras pierden el derecho a enrocarse} 22. b4 {Las blancas amenazan ganar material: b4xa5} Ra3 {Las negras amenazan ganar material: Ta3xc3} 23. Ne4 Rxa2 24. Nxg5 {Una jugada sana} Rc8 25. Re4 Rc4 26. Bxg7+ Kxg7 27. Rxc4 Nxc4 28. Rd4 {Diagrama [#] Las blancas amenazan ganar material: Td4xc4} b5 {Las negras tienen un nuevo peón retrasado: a7} 29. Rf4 Ne5 30. h4 Rc2 31. Nf7 Nd3 32. Rd4 Rc1+ 33. Kg2 Ne1+ 34. Kg3 Rc3+ 35. Kf4 Nd3+ (35... Nc2 36. Rd5 Kf6 37. Nh8 Nxb4 38. Rxb5 Nd3+ 39. Kg3 Ne1+ 40. Kf4 Ng2+ 41. Ke4 Nxh4 42. Kd5 Rd3+ 43. Kc4 $19) 36. Kg5 $2 {[%cal Yh4h5] el Blanco prepara el avance h5} (36. Ke4 $142 Nxf2+ 37. Kd5 $17) 36... Nxf2 $19 37. h5 gxh5 ( 37... Rc4 38. Rxc4 bxc4 39. h6+ Kh7 $19) 38. gxh5 $17 Rc4 39. h6+ {Ha roto sus ataduras} Kh7 40. Rd5 $4 {el Blanco se desmorona al enfrentarse a su situación} (40. Rh4 Ne4+ 41. Kf5 Ng3+ 42. Kg5 Rxh4 43. Kxh4 $17) 40... Ne4+ (40... Nh3+ $142 {acaba con el oponente} 41. Kh5 Nf4+ 42. Kh4 Nxd5+ 43. Kh5 Nf4+ 44. Kg5 Nxe6+ 45. Kf5 Nd4+ 46. Kf4 Rxb4 $19) 41. Kf5 $17 Ng3+ 42. Kg5 Rxb4 43. Rd3 $2 ( 43. Nxd6 $5 {debería investigarse con detenimiento} exd6 44. e7 $15) 43... Ne2 $17 44. Nxd6 Rd4 {Las negras amenazan ganar material: Td4xd3} (44... exd6 45. Re3 (45. Rxd6 $6 Ng1 $16) 45... Rc4 46. e7 Rc5+ 47. Kf6 $18) 45. Rf3 Rd5+ ({Es menos aconsejable} 45... Rxd6 46. Rf7+ Kh8 47. Rf8+ Kh7 48. Rf7+ Kh8 49. Rf8+ Kh7 50. Rf7+ $11) (45... exd6 46. e7 Re4 47. Rf7+ Kh8 48. Rf8+ Kh7 49. e8=Q Re5+ 50. Qxe5 dxe5 51. Rf7+ Kh8 52. Rxa7 Nf4 53. h7 Nd5 54. Kh6 Nb6 55. Rg7 Nc8 56. Rg8#) 46. Rf5 Rxd6 {Las negras ganan pieza} 47. Rf7+ Kg8 48. Rxe7 {Las blancas tienen un nuevo peón pasado: e6} Rd8 $4 {da nueva vida al contrincante} (48... Kh8 49. Re8+ Kh7 50. Re7+ Kh8 51. Re8+ Kh7 52. Re7+ Kh8 $11) 49. Rd7 ( 49. Rg7+ $142 {lo deja todo bien atado} Kh8 50. e7 $18 (50. Rxa7 $6 {se refuta fácilmente} Nd4 51. e7 Re8 $11)) 49... Re8 $11 50. e7 Nd4 51. Rxd4 {Las blancas amenazan mate} Rxe7 {Final de torre.} 52. Rd8+ Kh7 53. Rb8 a6 54. Rb6 { Las blancas amenazan ganar material: Tb6xa6} Ra7 55. Kh5 a5 {Diagrama [#]} 1/2-1/2