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問題 861027: 黒 が get a winning advantageとするために

FM Marek Karas (2231) - GM A. Mikaelyan (2504)
Titled Tue 24th Jan Late chess.com INT (6), 2023.01.24
  2. 1.d4
  3. Nf6
  4. 2.Nf3
  5. g6
  6. 3.c4
  7. Bg7
  8. 4.Nc3
  9. O-O
  10. 5.e4
  11. d6
  12. 6.Be2
  13. e5
  14. 7.Be3
  15. Nc6
  16. 8.d5
  17. Ne7
  18. 9.Nd2
  19. Nd7
  20. 10.b4
  21. f5
  22. 11.f3
  23. a5
  24. 12.a3
  25. Nf6
  26. 13.O-O
  27. f4
  28. 14.Bf2
  29. g5
  30. 15.c5
  31. Ng6
  32. 16.Nc4
  33. h5
  34. 17.cxd6
  35. cxd6
  36. 18.Nb6
  37. Rb8
  38. 19.Nxc8
  39. Rxc8
  40. 20.Nb5
  41. g4
  42. 21.Rc1
  43. g3
  44. 22.hxg3
  45. fxg3
  46. 23.Bxg3
  47. h4
  48. 24.Bf2
  49. Rxc1
  50. 25.Qxc1
  51. Nf4
  52. 26.Re1
  53. N6h5
  54. 27.Bf1
  55. Ng3
  56. 28.Be3
  57. Bh6
  58. 29.Bxf4
  59. Bxf4
  60. 30.Qc7
  61. Qg5
  62. 31.Qxd6
  63. h3
  64. 32.Qe6+
  65. Kg7
  66. 33.Qxh3
    1. 解決策:33.Qxh3
    2. Be3+
    3. 34.Kh2
    4. Rh8 黒のルークが白のクイーンを白のキングにピンします。
    5. 35.Nc7
    6. Rxh3+ Black is winning. White's passed pawn(s) is not enough compensation for Black's material advantage, better king safety and piece activity.
  68. 33...Be3+
  69. 34.Kh2
  70. Rh8
  71. 35.Nc7
  72. Rxh3+
  73. 36.gxh3
  74. Nxf1+
  75. 37.Rxf1
  76. Bf4+
  77. 38.Kh1
  78. Qh4
  79. 39.Ne6+
  80. Kf6
  81. 40.Nxf4
  82. exf4
  83. 41.Rf2
  84. Qxf2
0-1
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