Campeonato Mundial Femenino de Ajedrez 2018 (R4).

[Event "WCh Women 2018"] [Site "Khanty-Mansiysk RUS"] [Date "2018.11.12"] [Round "4.1"] [White "Lagno, Kateryna"] [Black "Lei, Tingjie"] [Result "1-0"] [ECO "C42"] [WhiteElo "2556"] [BlackElo "2457"] [Annotator "FR"] [PlyCount "105"] [EventDate "2018.11.03"] { C42: Defensa Petroff} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Bd3 Nf6 6. O-O Be7 7. Re1 O-O 8. Bf1 {LiveBook: 3 Partidas. La posición está igualada.} Re8 9. d4 c6 $146 (9... d5 10. c4 Bg4 11. Nc3 Nc6 12. cxd5 Nxd5 13. h3 Bh5 14. a3 Qd7 15. g4 Bg6 16. Bg2 Nxc3 17. bxc3 Bd6 18. Be3 Be4 19. c4 b6 20. c5 Bf8 21. Ne5 Qd5 22. Bxe4 Qxe4 23. Nxc6 Qxc6 24. d5 { Grischuk,A (2766)-Duda,J (2737) chess.com INT 2018 1-0}) (9... Nbd7 10. c4 Nf8 11. Nc3 Ng6 12. h3 c6 13. d5 cxd5 14. Nxd5 Nxd5 15. Qxd5 Bf6 16. Bg5 Be6 17. Bxf6 Qxf6 18. Qxb7 Nf4 19. Rad1 Rab8 20. Qc6 Rec8 21. Qxd6 Rxb2 22. Re4 Ng6 23. Qa3 h6 24. Red4 {Grischuk,A (2766)-Giri,A (2782) Leuven 2018 1/2-1/2 (59)}) 10. c4 Bg4 11. h3 Bh5 12. Nc3 Na6 13. g4 Bg6 14. g5 Nd7 {[%tqu "En","","","", "f3h4","",10]} 15. Nh4 $1 Qa5 16. Nxg6 hxg6 17. Qg4 $36 {[%mdl 2048] Las blancas tienen fuerte iniciativa.} Qf5 18. Bd2 Qxg4+ 19. hxg4 Nc7 20. f4 Ne6 21. Be3 f6 {[%cal Rf6g5]} 22. d5 Nd8 {[%tqu "En","","","","g5f6","",10]} 23. dxc6 {[%eval 77,18]} (23. gxf6 $142 $1 {[%eval 135,16]} Bxf6 24. g5 Bxc3 25. bxc3) 23... bxc6 $16 24. gxf6 Bxf6 25. Rad1 Bxc3 26. bxc3 Nf7 27. Bg2 Rec8 28. Rb1 {[%eval 83,17]} (28. Bf2 $142 {[%eval 131,17]}) 28... g5 29. fxg5 Nde5 30. Bd4 {Amenazan ganar con c5.} Nxc4 31. Re7 {[#] Amenazando con fuerza Tbb7.} Nce5 32. Rbb7 {Y ahora g6 ganaría.} g6 33. c4 {[%cal Bc3c4,Bc4c5][%mdl 32]} Rab8 34. Rxa7 {Esperando por c5.} Rb1+ 35. Kh2 {[%eval 74,16]} ({Mejor es} 35. Kf2 {[%eval 121,17] Las negras deben ahora evitar c5.} Rb4 36. Bxe5 Nxe5 { [%tqu "En","","","","c4c5","",10]} 37. c5 $1 {[%mdl 512]} Rxg4 38. cxd6 Rf8+ 39. Ke1) 35... Nxg4+ $2 {[%eval 267,19]} (35... Re1 $16 {[%eval 74,16] era lo que pedía.}) 36. Kg3 $18 Nge5 37. c5 Rd1 {[%tqu "En","","","","d4e5","",10]} 38. Bxe5 $1 Nxe5 {[%eval 274,18]} (38... Rd3+ $16 {[%eval 157,17]} 39. Kf2 Nxe5 40. cxd6 Ng4+ 41. Ke2 Rxd6) 39. cxd6 Nc4 {[%eval 404,18]} (39... Rd3+ $142 { [%eval 267,18]} 40. Kf2 Ng4+ 41. Ke2 Rxd6) 40. Rac7 {[%eval 235,18]} (40. Bh3 $142 {[%eval 404,18] Las blancas quieren dar mate con Ae6+.} Rd3+ 41. Kg2 Ne3+ {[%tqu "En","","","","e7e3","",10]} 42. Rxe3 $1 {[%mdl 512]} Rd2+ 43. Kg3) 40... Rd8 41. Bh3 ({Pero no} 41. Rxc6 $6 Nxd6 42. Re6 Nf5+ 43. Kf4 R8d4+ 44. Ke5 Re1+ 45. Kf6 Rxe6+ 46. Rxe6 Nh4 $18) ({Mucho menos fuerte es} 41. Bxc6 $6 Rd3+ 42. Kf2 Rd2+ 43. Kf1 Rd1+ 44. Ke2 Rd2+ 45. Ke1 R2xd6 $18) 41... Rd3+ 42. Kh2 {[#] Con la intención de Ae6+ y mate.} Rd2+ 43. Kg1 Rd1+ 44. Kg2 {Ae6+ sería matador ahora.} Rd2+ {[%tqu "En","","","","g2f1","",10]} 45. Kf1 $1 Rd1+ 46. Ke2 {Las blancas amenazan Ae6+ y mate.} R1xd6 47. Be6+ Rxe6+ 48. Rxe6 { RTT-RTC} Ra8 49. Rxg6+ Kf8 50. Rf6+ ({Resista} 50. Rgxc6 Rxa2+ 51. Ke1 Ne5 $18) 50... Kg8 51. Kd3 Ne5+ 52. Ke4 Ng4 53. Rfxc6 {Precisión: Blancas = 64%, Negras = 40%.} 1-0

[Event "WCh Women 2018"] [Site "Khanty-Mansiysk RUS"] [Date "2018.11.12"] [Round "4.1"] [White "Muzychuk, Mariya"] [Black "Abdumalik, Zhansaya"] [Result "0-1"] [ECO "B41"] [WhiteElo "2545"] [BlackElo "2473"] [Annotator "FR"] [PlyCount "114"] [EventDate "2018.11.03"] { B41: Defensa Siciliana (Variante Paulsen o Kan 5.c4)} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Qd3 O-O 8. e5 Ne8 9. Bf4 {LiveBook: 3 Partidas. Las blancas están mejor.} (9. a3 Ba5 10. Be2 Bc7 11. Bf4 d6 12. exd6 Bxd6 13. Bxd6 Qxd6 14. Qe3 Qc7 15. O-O b6 16. Rfd1 Bb7 17. Qg3 Qe7 18. Na4 Nd7 19. Bf3 Bxf3 20. Qxf3 Nef6 21. Nc6 Qe8 22. Rd6 Rc8 23. Rad1 Nb8 {Smeets,J (2657)-Caruana,F (2675) Wijk aan Zee 2010 1-0 (77)}) 9... Qc7 $146 (9... Nc6 10. a3 Be7 11. Be2 f6 12. Nxc6 bxc6 13. exf6 Bxf6 14. Bg3 d5 15. O-O Ra7 16. Bg4 a5 17. Rfe1 Re7 18. Rad1 Nd6 19. b3 Nf7 20. Na4 Rfe8 21. h3 Nh6 22. Bf3 Nf5 23. Be4 g6 24. Bxf5 {Boros,D (2498)-Mamedov,N (2602) Teplice 2013 1-0 (41)}) (9... d6 10. Nc2 Bxc3+ 11. Qxc3 dxe5 12. Rd1 Qe7 13. Bxe5 Nc6 14. Be2 (14. Bg3 f5 15. Be5 f4 16. g3 Nxe5 17. Qxe5 Qf7 18. gxf4 Qxf4 19. Qxf4 Rxf4 20. Ne3 Nf6 21. Rd8+ Kf7 22. Bg2 Ke7 23. Rh8 Rd4 24. c5 Rd8 25. Rxd8 Kxd8 26. Nc4 Kc7 27. Nb6 Rb8 28. Kd2 Bd7 { Solodovnichenko,Y (2602)-Miezis,N (2574) Borup 2012 1/2-1/2 (57)}) 14... f6 15. Bg3 e5 16. O-O Nd6 17. f3 Nf5 18. Bf2 Be6 19. Rfe1 Rfd8 20. Bb6 Rxd1 21. Rxd1 Rc8 22. b3 Re8 23. Bd3 Qf7 24. Be4 {Aroshidze,L (2504)-Ramiro Ovejero,J (2382) Linares 2018 1-0 (57)}) 10. a3 {[%tqu "En","","","","b4c3","",10]} Bxc3+ $1 11. Qxc3 {[%tqu "En","","","","f7f6","",10]} f6 $1 {[%cal Rf6e5]} 12. Nf3 Nc6 13. Bg3 fxe5 14. Nxe5 Nxe5 15. Bxe5 d6 16. Bg3 Qc6 17. f3 e5 18. c5 dxc5 {[%eval 87,16]} (18... Be6 $14 {[%eval 44,16]}) 19. Bc4+ {[%eval 37,18]} ({Rechace} 19. Qxe5 $6 c4 $11) (19. Bxe5 $16 {[%eval 87,16]} b5 20. Bd3) 19... Be6 $14 20. O-O-O b5 21. Bxe6+ Qxe6 22. Rhe1 b4 23. Rxe5 Qa2 24. axb4 ({No} 24. Qxc5 $2 Nf6 $19) 24... cxb4 25. Qxb4 Rc8+ 26. Rc5 a5 27. Qb5 {[%eval -87,17]} (27. Qd4 $11 {[%eval 25,17]} Nf6 28. Rd3) 27... Rf5 $1 $36 {[%cal Rf5c5][%mdl 2048] Las negras tienen buen juego.} 28. Bf2 Qe6 29. Rd3 {[%eval -188,18]} (29. Rd2 $17 { [%eval -96,16] era necesario.} Rfxc5+ 30. Bxc5) 29... Rfxc5+ $19 30. Bxc5 Qe1+ 31. Kc2 Qf2+ 32. Kb3 Qxc5 33. Qxc5 Rxc5 {[%mdl 4096] Final RTC-RT} 34. h4 Rb5+ 35. Ka3 Kf7 36. Rd7+ Ke6 37. Ra7 h5 {Las blancas deben ahora evitar ...Cd6.} 38. g4 hxg4 39. fxg4 Rb4 40. Rxa5 Rxg4 41. Rh5 {[%eval -185,18]} (41. h5 $17 { [%eval -137,17] podría funcionar mejor.}) 41... g6 42. Rh8 Ng7 43. b4 Nf5 44. b5 {[%eval -253,20]} (44. Re8+ $142 {[%eval -182,17]} Kd5 45. Rd8+ Kc6 46. Rc8+ Kb6 47. Rb8+ Kc7 48. Rg8) 44... Rxh4 45. Rg8 Rg4 {Amenazan ganar con ...Cd6.} 46. b6 Nd6 {...Cc4+ es la amenaza fuerte.} 47. Rc8 Rg5 48. Rb8 Kd7 49. Kb4 Kc6 {Amenazando con fuerza ...Tb5+.} 50. Kc3 Nb7 51. Kd4 $2 {[%eval -442,20] [#]} ( 51. Rc8+ {[%eval -262,20]} Kxb6 52. Kd4) 51... Kxb6 {[%eval -264,20]} (51... Rd5+ $142 {[%eval -442,20]} 52. Ke4 Rd8 53. Rxd8 Nxd8 54. Kf3 Kxb6 55. Kf4 Nf7 56. Ke4 Kc6 57. Kd4 g5 58. Ke4 Kc5 59. Ke3 Ne5 60. Ke4 g4 61. Kf4 Kd4 62. Kg3 Ke3 63. Kg2 Kf4 64. Kf2 Nd3+ 65. Ke2 Ke4 66. Kf1 Kf3 67. Kg1 g3 68. Kh1 Nf4 69. Kg1 g2 70. Kh2 Ne2 71. Kh3 g1=Q 72. Kh4 Qg4#) 52. Re8 {Las negras tienen ventaja decisiva.} Kc6 53. Re5 Rg4+ 54. Ke3 Nc5 55. Kf3 Rg1 56. Re8 Kd6 { Esperando por ...g5.} 57. Rc8 Ne6 {Precisión: Blancas = 38%, Negras = 68%.} 0-1