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問題 536309: 白 が 勝ちとするために

FM Viktor Romanchuk (2266) - WIM Irina Petrova (2127)
Titled Tue 15th Mar Late chess.com INT (3), 2022.03.15
  2. 1.d4
  3. d5
  4. 2.c4
  5. c6
  6. 3.Nc3
  7. Nf6
  8. 4.e3
  9. e6
  10. 5.Nf3
  11. Nbd7
  12. 6.Qc2
  13. Bd6
  14. 7.b3
  15. O-O
  16. 8.Bb2
  17. b6
  18. 9.Be2
  19. Bb7
  20. 10.O-O
  21. Qe7
  22. 11.Rad1
  23. Rac8
  24. 12.e4
  25. dxe4
  26. 13.Nxe4
  27. Nxe4
  28. 14.Qxe4
  29. Nf6
  30. 15.Qh4
  31. c5
  32. 16.dxc5
  33. Bxc5
  34. 17.Ne5
  35. Rfd8
  36. 18.Bd3
  37. h6
  38. 19.Bc2
  39. Ba8
  40. 20.Ng4
  41. Nxg4
  42. 21.Qxg4
  43. Qg5
  44. 22.Qxg5
  45. hxg5
  46. 23.Rxd8+
  47. Rxd8
  48. 24.Rd1
  49. Rxd1+
  50. 25.Bxd1
  51. f6
  52. 26.Kf1
  53. Kf7
  54. 27.f3
  55. Bd6
  56. 28.h3
  57. Bc6
  58. 29.Bc2
  59. b5
  60. 30.Bd3
  61. bxc4
  62. 31.Bxc4
  63. Ke7
  64. 32.Ke2
  65. Bc5
  66. 33.Bc3
  67. Kd6
  68. 34.a4
  69. Bd5
  70. 35.Kd3
  71. e5
  72. 36.b4
  73. Bf2
  74. 37.b5
  75. g6
  76. 38.a5
  77. f5
  78. 39.Bb4+
  79. Ke6
  80. 40.b6
  81. axb6
  82. 41.a6
  83. e4+
  84. 42.fxe4
  85. fxe4+
  86. 43.Kc3
  87. Bxc4
  88. 44.Kxc4
  89. b5+
  90. 45.Kxb5
  91. Kf5
  92. 46.Bc5
  93. Bxc5
  94. 47.Kxc5
  95. e3
  96. 48.a7
  97. e2
  98. 49.a8=Q
  99. e1=Q
    1. 解決策:49...e1=Q
    2. 50.Qf8+
    3. Ke6
      1. 50...Ke4
      2. 51.Qe7+
      3. Kf5
      4. 52.g4+
      1. 50...Ke5
      2. 51.Qe7+
      3. Kf5
      4. 52.g4+
    5. 51.Qe8+ 白のクイーンが黒のキングをスキュワーします。
    6. Kf6
      1. 51...Kf5
      2. 52.Qxe1
    8. 52.Qxe1
  101. 50.Qf8+
1-0

This puzzle is part of the following Puzzle Academy skills:
  • Skewer (3 moves)
ChessPuzzle.net version 3
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