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問題 547245: 黒 が 勝ちとするために

IM Volodar Murzin (2519) - GM Olexandr Bortnyk (2604)
Titled Tuesday 14th Dec chess.com INT (4), 2021.12.14
  2. 1.e4
  3. Nf6
  4. 2.e5
  5. Nd5
  6. 3.d4
  7. d6
  8. 4.c4
  9. Nb6
  10. 5.f4
  11. dxe5
  12. 6.fxe5
  13. Bf5
  14. 7.Nc3
  15. e6
  16. 8.Be3
  17. Bb4
  18. 9.Nf3
  19. c5
  20. 10.a3
  21. cxd4
  22. 11.axb4
  23. dxe3
  24. 12.Qxd8+
  25. Kxd8
  26. 13.c5
  27. N6d7
  28. 14.Bb5
  29. Nc6
  30. 15.Bxc6
  31. bxc6
  32. 16.Ke2
  33. Kc7
  34. 17.Kxe3
  35. Rhb8
  36. 18.b5
  37. Nxc5
  38. 19.Nd4
  39. cxb5
  40. 20.Ncxb5+
  41. Kb6
  42. 21.Rhc1
  43. a5
  44. 22.Nd6
  45. Bd3
  46. 23.Ra3
  47. Ba6
  48. 24.Nb3
  49. Nb7
  50. 25.Nd4
  51. Nc5
  52. 26.Rac3
  53. Rc8
  54. 27.Nb3
  55. Nxb3
  56. 28.Rxb3+
  57. Ka7
  58. 29.Nxc8+
  59. Bxc8
  60. 30.Rc7+
  61. Ka6
  62. 31.Rxf7
  63. a4
  64. 32.Rb4
  65. Ka5
  66. 33.Rff4
  67. Bd7
  68. 34.Rb7
  69. Bc6
  70. 35.Rxg7
  71. Rb8
  72. 36.Rc7
  73. Rb3+
  74. 37.Kd4
  75. Bxg2
  76. 38.Rf2
  77. Bd5
  78. 39.Rxh7
  79. Kb5
  80. 40.Rc7
  81. Rb4+
  82. 41.Kc3
  83. Rh4
  84. 42.Rcf7
  85. Re4
  86. 43.R7f4
  87. Rxe5
  88. 44.Kd4
  89. Re1
  90. 45.Kc3
  91. Re3+
  92. 46.Kd2
  93. Rb3
  94. 47.Kc1
  95. Rh3
  96. 48.Rd4
  97. Bb3
  98. 49.Rdf4
  99. Rd3
  100. 50.Rd2
  101. Re3
  102. 51.Rff2
    1. 解決策:51.Rff2
    2. Re1+
    3. 52.Rd1
    4. Rxd1# オペラ・メイト
  104. 51...Re1+
0-1

This puzzle is part of the following Puzzle Academy skills:
  • 2手詰み
  • Opera mate (2 moves)
ChessPuzzle.net version 3
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