Horvath,Csaba 2497 - Drnovsek,Gal 2421 1-0 B50

[Event "Trieste"] [Site "Trieste"] [Date "2017.09.07"] [Round "7"] [White "Horvath, Csaba"] [Black "Drnovsek, Gal"] [Result "1-0"] [ECO "B50"] [WhiteElo "2497"] [BlackElo "2421"] [Annotator "ATP"] [PlyCount "79"] [EventDate "2017.??.??"] { B50: Defensa Siciliana (Variantes con 2...d6)} 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. e5 dxe5 5. Nxe5 a6 6. g3 Nbd7 7. d4 (7. Nc4 b5 8. Bg2 Rb8 9. Ne3 g6 10. O-O Bg7 11. d3 O-O 12. a4 Bb7 13. Bxb7 Rxb7 14. axb5 axb5 15. Qf3 Rb8 16. Ned5 Nxd5 17. Qxd5 e6 18. Qe4 Qb6 19. Re1 Rbc8 20. Be3 b4 21. Nd1 f5 {Zvjaginsev,V (2676) -Nepomniachtchi,I (2720) Moscow 2010 0-1 (68)}) 7... e6 8. Be3 Qc7 9. Qe2 { LiveBook: 4 Partidas} Nxe5 $146 (9... cxd4 10. Bxd4 Bc5 11. Bxc5 Qxc5 12. Nd3 Qc4 13. Bg2 Rb8 14. a3 O-O 15. O-O b5 16. Nb4 Qc7 17. a4 Qc5 18. Nd3 Qb6 19. a5 Qc7 20. Nb4 Bb7 21. Bxb7 Rxb7 22. Rfd1 Nc5 23. Qd2 Qc8 24. Qf4 {Safarli,E (2680)-Indjic,A (2589) Dubai 2017 0-1 (60)}) 10. dxe5 Qxe5 11. O-O-O Be7 12. Bg2 O-O 13. f4 {[%eval -11,17]} (13. g4 $14 {[%eval 38,17]}) {[%tqu "En","","", "","e5c7","",10]} 13... Qc7 $1 $11 14. g4 {[%cal Bg3g4,Bg4g5][%mdl 32]} Bd7 15. g5 {[%tqu "En","","","","f6e8","",10]} Ne8 $1 {[%tqu "En","","","","f4f5","", 10]} 16. f5 $1 exf5 {[%eval 59,17]} (16... Bc6 $11 {[%eval 11,16] es más adecuado.}) 17. Nd5 $14 {[%tqu "En","","","","c7d8","",10]} Qd8 $1 18. Nxe7+ { [%eval 38,15]} ({Las blancas deberían jugar} 18. Kb1 $16 {[%eval 83,17]}) 18... Qxe7 19. Qf2 c4 {[%eval 103,17]} ({Mejor es} 19... Rc8 $14 {[%eval 31,18]}) { [%tqu "En","","","","e3c5","",10]} 20. Kb1 {[%eval 28,16]} (20. Bc5 $1 $16 { [%eval 103,17][%cal Rc5e7]} Qxg5+ 21. Kb1) {[%tqu "En","","","","a8c8","",10]} 20... Be6 {[%eval 87,16]} (20... Rc8 $1 $11 {[%eval 28,16]}) 21. Bc5 $16 Qxg5 22. Bxf8 {[%eval 53,15]} (22. Rhg1 $16 {[%eval 101,18]}) 22... Kxf8 $14 23. Bxb7 Rb8 24. Qa7 (24. Bxa6 Qe7 $17) 24... Qf4 {[#] Las blancas deben ahora evitar ...Dc7.} 25. Qc5+ {[%eval 31,19]} (25. Bxa6 Qc7 $11) (25. Qxa6 $16 { [%eval 73,17]} Qe3 26. Bd5) 25... Kg8 26. Bxa6 Qc7 27. Qxc7 Nxc7 28. Rd6 g5 29. a4 Rb4 30. a5 Nd5 {[%eval 96,19]} (30... Ra4 $11 {[%eval 0,21] mantiene el equilibrio.}) 31. Bc8 $36 {[%mdl 2048] Las blancas tienen el control.} Nc3+ 32. Kc1 Na2+ {[%eval 218,22]} (32... Ne4 $16 {[%eval 73,18]} 33. Rxe6 (33. Bxe6 Nxd6 34. Bd7 Rb7 $15) 33... fxe6) 33. Kd2 $18 Bxc8 34. Rd8+ Kg7 {[#] Amenazan ganar con ...Ab7.} 35. Rxc8 Rxb2 36. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} c3+ 37. Ke3 {a7 es la amenaza fuerte.} Nb4 38. a7 ({Es erróneo} 38. Rxc3 $2 Nd5+ 39. Kd4 Nxc3 $19) 38... Nd5+ {[%eval 453,20]} (38... Nxc2+ $142 {[%eval 291,19]} 39. Kd3 Nb4+ 40. Kd4 Ra2) 39. Kd3 Nb4+ 40. Kc4 {Precisión: Blancas = 71%, Negras = 51%.} ({No} 40. Kxc3 Rxc2+ 41. Kxb4 Rxc8 $14) 1-0