Peter Leko nie wykorzystał szansy

Peter Leko (2751) - Gata Kamsky (2725)

Obrona Gruenfelda

Nalczik Grand Prix 15.04. 2009 r.

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. Qa4+ Bd7 5. Qb3 dxc4 6. Qxc4 Bg7 7. e4 O-O 8. e5 Ng4 9. d4 Na6 10. h3 Nh6 11. Be2 c6 12. O-O Be6 {N}
(12... Kh8 {} 13. Qb3 Rb8 14. Qa3 Nf5 15. Bxa6 bxa6 16. Qxa6 c5 17. dxc5 Qc7 18. Rd1 Bc6 19. Qe2 Bxf3 20. Qxf3 Bxe5 21. Qe4 Rfd8 22. Qc4 {... 1-0, Giorgadze Giorgi (GEO) 2602 - Garcia Martinez Silvino (CUB) 2445, Benasque (Spain) 1999})13. Qa4 Nc7 14. Rd1 f6 15. Bc4 Bxc4 16. Qxc4+ Nf7
(16... Nd5 {!?} {} 17. Re1 Nf7 18. Qb3 fxe5 19. dxe5 Nxc3 20. bxc3 Qb6 21. Qe6 c5 22. Qc4 Qc6 23. Be3 Rac8 24. Rab1 e6 25. Bg5 Rc7 26. Bf6 Rd7 27. Red1 b5 28. Qe2 {Rybka Aquarium (0:00.00)} {+0.45d20} {white stands slightly better})17. d5
(17. Qb3 {!?} {} 17... b6 18. d5 cxd5 19. Nxd5 Nxd5 20. e6 Nd6 21. Rxd5 Qc8 22. Rxd6 exd6 23. e7+ Rf7 24. Qd5 {Rybka Aquarium (0:05.08)} {+0.65d19} {white stands slightly better})cxd5 18. Nxd5 Nxd5 19. Rxd5 Qe8
(19... Qb6 {!?} {} 20. Rb5 Qc6 21. Rc5 Qb6 22. exf6 Bxf6 23. Rb1 Kh8 24. Be3 Nd6 25. Qa4 a5 26. a3 Qa6 27. Re1 b5 28. Qb3 Rac8 29. Qd5 Rxc5 30. Bxc5 Qa8 31. Qe6 Nf5 32. Ne5 {Rybka Aquarium (0:00.00)} {+0.59d19} {white stands slightly better})20. exf6 Bxf6 21. Be3 b6 22. Rad1 Rc8 23. Qb3 Qc6 24. Rd7 Rc7 25. Rxc7 Qxc7 26. Ng5 Bxg5 27. Bxg5 Rd8 28. Re1 Rd7 29. Qe6 Kf8 30. Bf4 Qd8 31. Kh2 Rd4 32. Rc1 Rxf4 {?!}
(32... Qd7 {} 33. Qe3 Rd3 34. Qe2 Qf5 35. Bg3 Rd7 36. Rc8+ Kg7 37. Re8 Qf6 38. f3 h5 39. h4 Kh7 40. Qe1 b5 41. b3 a6 42. Rc8 {Rybka Aquarium (0:00.00)} {+0.63d18} {white stands slightly better})33. Rc8 Rxf2 34. Rxd8+ Nxd8 35. Qd5 Nf7 36. b4 Kg7 37. a3 Rf6 {?}
(37... Nd6 {} 38. Qa8 b5 39. Qxa7 Re2 40. a4 bxa4 41. Qxa4 Re5 42. g4 h5 43. Qa1 Kf6 44. Kg3 Ke6 45. Qb1 Kf6 46. Qb2 {Rybka Aquarium (0:01.06)} {+1.56d18} {White has the upper hand})38. Qa8 e5 39. Qxa7 Re6 40. Kg1 e4 41. Kf1 e3
(41... b5 {!?} {} 42. Ke2 Re5 43. Ke3 Kf6 44. Qb6+ Kg7 45. Qc6 Rg5 46. g4 {Rybka Aquarium (0:00.02)} {+2.29d13} {White has a decisive advantage})42. Ke2 b5 43. Qd7
(43. a4 {!?} {} 43... bxa4 44. b5 Kf6 45. b6 Nd6 46. b7 Nxb7 47. Qxb7 h5 48. Qb4 Re7 49. Qxa4 Re6 50. g4 {Rybka Aquarium (0:10.49)} {+4.51d20} {White has a decisive advantage})Re5 44. a4 bxa4 45. Qxa4 Kf6 46. Qd7
(46. Qc6+ {!?} {} 46... Re6 47. Qc3+ Ne5 48. b5 Rd6 49. Qc5 Ke6 50. b6 Nd7 51. Qc4+ Ke7 52. b7 Rb6 53. Qc7 {Rybka Aquarium (0:04.06)} {+4.03d18} {White has a decisive advantage})Ng5 47. Qd8+ Kf5 48. Qd3+ Kf6 49. Qd8+ Kf5 50. Qf8+ Ke4 51. Qa8+ Kf4 52. Qf8+ Ke4 53. Qa8+ Kf4 54. b5 Ne4 55. b6 Nc3+ 56. Ke1 Rb5 57. Qf3+ Ke5 58. Qxe3+ Ne4 59. Ke2 Rb1 60. Qa3 Nd6 61. Qc5+ Ke6 62. Qc6 Rb2+ 63. Kd3 Rb3+ 64. Kc2 Rb4 65. Kc1 Rb3 66. Qc5 h6 67. Qd4 g5 68. Qc5 Kd7 69. Kc2 Rb5 70. Qc7+ Ke6 71. Qc6 Rb4 72. Kc1 Rb3 73. Qc5 Kd7 74. g4 Ke6 75. Qc7
(75. Qd4 {was better} {} 75... Kd7 76. Qg7+ Kc6 77. Qxh6 Rc3+ 78. Kb1 Rc5 79. Qf6 Rb5+ 80. Kc2 Rc5+ 81. Kb3 Rb5+ 82. Ka4 Rd5 83. Qd8 Ra5+ 84. Kb3 Rb5+ 85. Kc2 {Rybka Aquarium (0:00.17)} {+3.56d19} {White has a decisive advantage})Kd5 76. Qa7 Kc6 77. Qc7+ Kd5 78. Kc2 Rb5 79. Qh7 Rxb6 80. Qxh6 Rc6+ 81. Kd3 Nf7 82. Qh7 Rf6 83. Qg8 Kd6 84. Qe8 Rf3+ 85. Kd4 Rf4+ 86. Kc3 Rf3+ 87. Kb4 Rf6 88. Kb5 Kd5 89. Qa8+ Ke6 90. Kc5 Ke7 91. Qa7+ Kf8 92. Qa3 Kg8 93. Kd5 Kg7 94. Qg3 Kg6 95. h4 gxh4 96. Qxh4 Kg7 97. Qg3 Kg6 98. Qh4 Kg7 99. Ke4 Kg6
(99... Nh6 {was better} {} 100. g5 Re6+ 101. Kf4 Nf7 102. Qg3 Rg6 103. Qc3+ Kf8 104. Qa3+ {Rybka Aquarium (0:00.04)} {+0.38d21} {white stands slightly better})100. Qh5+ Kg7 101. Ke3 Re6+ 102. Kf4 Rf6+ 103. Kg3 Rd6 104. Qf5 Rf6 105. Qc5 Rd6 106. Qc3+ Kg6 107. Kh4 Kh7 108. Qc7 Kg7 109. Qe7 Rh6+ 110. Kg3 Rf6 111. Qb4 Rd6 112. Qb2+ Kg6 113. Qb8 Kg7 114. Kf4 Rf6+ 115. Ke4 Re6+ 116. Kf4 Rf6+ 117. Kg3 Rd6 118. Qb5 Kg6 119. Qb7 Kg7 120. Qe7 Rf6 121. Kg2 Rd6 1/2-1/2

Na zdjęciu: węgierski arcymistrz Peter Leko nie wygrał łatwej końcówki z Gatą Kamsky'm.