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問題 366379: 黒 が 勝ちとするために

IM Nikolay Noritsyn (2512) - FM Viacheslav Rozhkov (2248)
Titled Tuesday 17th Aug chess.com INT (2), 2021.08.17
  2. 1.d4
  3. d5
  4. 2.c4
  5. dxc4
  6. 3.Nf3
  7. Nf6
  8. 4.e3
  9. e6
  10. 5.Bxc4
  11. a6
  12. 6.O-O
  13. c5
  14. 7.Be2
  15. Nc6
  16. 8.Nc3
  17. b5
  18. 9.Ne5
  19. Nxe5
  20. 10.dxe5
  21. Qxd1
  22. 11.Rxd1
  23. Nd7
  24. 12.f4
  25. Bb7
  26. 13.Kf2
  27. Be7
  28. 14.Bf3
  29. Bxf3
  30. 15.Kxf3
  31. O-O-O
  32. 16.Bd2
  33. f6
  34. 17.exf6
  35. gxf6
  36. 18.a4
  37. b4
  38. 19.Ne4
  39. f5
  40. 20.Nf2
  41. Nf6
  42. 21.Be1
  43. Kb7
  44. 22.h3
  45. h5
  46. 23.b3
  47. h4
  48. 24.Rac1
  49. Rhg8
  50. 25.Rxd8
  51. Rxd8
  52. 26.Rd1
  53. Rg8
  54. 27.Nd3
  55. Ne4
  56. 28.Ne5
  57. Bd6
  58. 29.Bxh4
  59. Bxe5
  60. 30.fxe5
  61. Kc6
  62. 31.g4
  63. c4
  64. 32.gxf5
  65. exf5
  66. 33.bxc4
  67. Kc5
  68. 34.e6
  69. Kxc4
  70. 35.e7
  71. b3
  72. 36.Rd8
  73. b2
  74. 37.Rd1
  75. Rb8
  76. 38.Rb1
  77. Kc3
  78. 39.Kf4
  79. Nd2
  80. 40.Rxb2
  81. Kxb2
  82. 41.Kxf5
  83. Nc4
  84. 42.Ke6
  85. Nxe3
  86. 43.Kd7
  87. Nd5
  88. 44.e8=Q
  89. Rxe8
  90. 45.Kxe8
  91. Nf4
  92. 46.Kf7
  93. Nxh3
  94. 47.Bd8
  95. Kb3
  96. 48.a5
  97. Kb4
  98. 49.Ke6
  99. Kb5
  100. 50.Kd5
  101. Nf4+
  102. 51.Kd4
    1. 解決策:51.Kd4
    2. Ne6+ 黒のナイトが白のビショップ と キングを両取りします。
    3. 52.Ke4
      1. 52.Kc3
      2. Nxd8
      3. 53.Kd4
      4. Kxa5
      1. 52.Kd3
      2. Nxd8
      3. 53.Kc3
      4. Kxa5
      1. 52.Kd5
      2. Nxd8
      3. 53.Ke4
      4. Kxa5
      1. 52.Ke3
      2. Nxd8
      3. 53.Kd4
      4. Kxa5
      1. 52.Ke5
      2. Nxd8
      3. 53.Kd6
      4. Kxa5
    5. 52...Nxd8
    6. 53.Ke3
      1. 53.Kd3 with a winning endgame, for example:
      2. Kxa5
      1. 53.Kd4
      2. Kxa5
      1. 53.Kd5
      2. Kxa5
    8. 53...Kxa5
  104. 51...Ne6+
0-1

This puzzle is part of the following Puzzle Academy skills:
  • Fork (3 moves)
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