[Event "2nd Cairns Cup 2020"]
[Site "Saint Louis USA"]
[Date "2020.02.13"]
[Round "6.1"]
[White "Koneru, Humpy"]
[Black "Kosteniuk, Alexandra"]
[Result "1-0"]
[ECO "E51"]
[WhiteElo "2580"]
[BlackElo "2504"]
[Annotator "Mosaico Ajedrecístico"]
[PlyCount "121"]
[EventDate "2020.??.??"]
{[%evp 0,86,80,-6,7,44,41,-1,-16,-14,-24,28,41,41,51,13,28,18,35,31,31,31,40,
34,69,60,78,74,105,70,35,53,40,31,16,22,64,33,50,8,44,42,67,50,54,58,55,55,57,
67,63,51,66,72,47,39,67,0,-4,-21,-1,-3,-3,-8,1,1,0,7,5,5,8,8,17,19,17,17,21,17,
28,31,30,61,41,31,92,105,107,18,29] E51: Nimzo-Indian: Rubinstein: 4...0-0 5
Nf3 d5} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Bb4 5. e3 O-O 6. Bd2 b6 7. Rc1 (7.
a3 Be7 8. Nxd5 exd5 9. Rc1 Ba6 10. Qa4 c5 11. dxc5 bxc5 12. Bc3 Ne4 13. Be5
Bxc4 14. Bxc4 dxc4 15. Qxc4 Nf6 16. O-O Nbd7 17. Bc3 Nb6 18. Qe2 Qd5 19. Rfd1
Qe6 20. Ba5 Rfd8 21. Nd2 Rd7 {Nakamura,H (2745)-Duda,J (2730) chess.com INT
2019 0-1}) (7. Bd3 Bb7 8. Qe2 Nbd7 9. O-O dxc4 10. Bxc4 c5 11. a3 Bxc3 12. Bxc3
Ne4 13. Rac1 Nxc3 14. Rxc3 Bxf3 15. Qxf3 cxd4 16. exd4 Rc8 17. Rfc1 Nf6 18. Ba6
Rxc3 19. Qxc3 Nd5 20. Qg3 Qd7 21. Rc4 h6 {Hort,V (2398)-Istratescu,A (2543)
Basel SUI 2020 1/2-1/2}) 7... Ba6 $146 (7... a6 8. cxd5 exd5 9. Bd3 Bg4 10. h3
Bh5 11. Qb3 c5 12. Ne5 a5 13. Qc2 Nbd7 14. O-O Bg6 15. Nxg6 hxg6 16. dxc5 Nxc5
17. a3 Bxc3 18. Bxc3 Nfe4 19. Rfd1 Rc8 20. Bf1 Qd7 21. Bd4 a4 22. Qe2 {Babula,
V (2574)-Aleksandrov,A (2592) Tallinn EST 2019 1/2-1/2 (35)}) 8. Qa4 Qe7 9. a3
Bxc3 10. Bxc3 Ne4 11. Be2 Nxc3 12. Rxc3 (12. bxc3 $6 dxc4 13. O-O c6 $11) 12...
dxc4 13. Bxc4 Bb7 14. Be2 Rc8 (14... c5 15. dxc5 bxc5 16. h3 $14) 15. Qc2 (15.
O-O $5 $16) 15... c5 $11 16. dxc5 Rxc5 17. Rxc5 Qxc5 18. Qxc5 bxc5 19. Bb5 Na6
20. Ke2 Nc7 21. Bd3 Nd5 22. Rc1 Rc8 23. Nd2 Nb6 24. f3 Kf8 25. Nc4 $6 {[%csl
Rc4]} (25. e4 $1 $14 {[%csl Ge4]}) 25... Bd5 26. Na5 c4 $1 {[%csl Gc4]} 27. Bb1
e5 28. e4 Be6 29. Ba2 Ke7 30. b3 cxb3 31. Rxc8 Nxc8 32. Bxb3 Bxb3 33. Nxb3 Kd6
34. Kd3 Nb6 (34... Kc6 35. Kc4 Nd6+ 36. Kb4 Kb6 $11) 35. Kc3 Na4+ 36. Kb4 Nb2
37. Kb5 Nd1 38. Nd2 Nc3+ (38... Ne3 39. g3 $11) 39. Kb4 $14 (39. Ka6 Kc5 40.
Kxa7 Nb5+ $11) 39... Ne2 40. Nc4+ Ke6 41. Kb5 g6 (41... f5 42. exf5+ Kd5 43.
Nb2 $16) 42. Ka6 f5 43. Kxa7 (43. exf5+ gxf5 44. Kxa7) 43... fxe4 44. fxe4 Nc3
45. Kb6 Nxe4 46. Ne3 Nc3 47. Kc5 Ne4+ 48. Kb5 (48. Kc4 Nd6+ 49. Kc3 e4 $14)
48... Nd6+ 49. Kc5 Ne4+ 50. Kb4 Nd6 51. Nc4 Nf5 $2 {[%csl Rf5]} (51... Nb7 $1 {
[%csl Gb7]} 52. a4 Kd5 $16 53. Kc3 {Y Negras tienen chances de mantenerse en
el juego...}) 52. Kc5 $16 h5 53. Nd2 Nd6 (53... g5 54. Ne4 g4 55. a4 $16) 54.
a4 $18 Nb7+ $4 {[%csl Rb7]} (54... e4 $142 55. Kd4 e3 56. Kxe3 g5 $18) 55. Kc6
Nd8+ 56. Kc7 Ke7 (56... Nf7 57. a5 h4 $18) 57. a5 Ne6+ 58. Kc6 (58. Kb6 $142 $5
{[%csl Yb6] luce mejor...} Kd7 59. a6 Nc7 $18) 58... Kd8 (58... Nd8+ 59. Kb6
Kd6 $18) 59. a6 Kc8 (59... Nc7 60. a7 e4 61. Nxe4 Na8 $18) 60. a7 Nd4+ (60...
Nc7 $18) 61. Kb6 (61. Kb6 Kd7 62. a8=Q $18) 1-0
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