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問題 991703: 黒 が 勝ちとするために

FM Rolandas Martinkus (1985) - FM Tymur Keleberda (2282)
Titled Tue 3rd Jan Early chess.com INT (1), 2023.01.03
  2. 1.e4
  3. c5
  4. 2.c3
  5. d5
  6. 3.exd5
  7. Qxd5
  8. 4.d4
  9. Nc6
  10. 5.Nf3
  11. cxd4
  12. 6.cxd4
  13. e5
  14. 7.Nc3
  15. Bb4
  16. 8.Bd2
  17. Bxc3
  18. 9.Bxc3
  19. e4
  20. 10.Ne5
  21. Nxe5
  22. 11.dxe5
  23. Ne7
  24. 12.Qxd5
  25. Nxd5
  26. 13.Bb5+
  27. Bd7
  28. 14.Bxd7+
  29. Kxd7
  30. 15.O-O-O
  31. Ke6
  32. 16.Bd4
  33. b6
  34. 17.Rhe1
  35. Rac8+
  36. 18.Kb1
  37. Kf5
  38. 19.f3
  39. exf3
  40. 20.gxf3
  41. Rhd8
  42. 21.Re4
  43. Nf4
  44. 22.Rg1
  45. Ne6
  46. 23.Bc3
  47. Rd3
  48. 24.Rh4
  49. h6
  50. 25.Rf1
  51. Nf4
  52. 26.Kc2
  53. Rcd8
  54. 27.Rg4
  55. g5
  56. 28.h4
  57. gxh4
  58. 29.Rxh4
  59. h5
  60. 30.Rh2
  61. b5
  62. 31.a3
  63. R3d5
  64. 32.Rhh1
  65. Rd3
  66. 33.Rf2
  67. R8d5
  68. 34.Bd2
  69. Kxe5
  70. 35.Bxf4+
  71. Kxf4
  72. 36.Rxh5
  73. Rxh5
  74. 37.Kxd3
  75. Kg3
  76. 38.Rf1
  77. Kg2
  78. 39.Rc1
  79. Rf5
  80. 40.Rc7
  81. a5
  82. 41.Ke4
  83. Rxf3
  84. 42.Rc5
  85. Rb3
  86. 43.Rg5+
  87. Kf2
  88. 44.Rf5+
  89. Ke2
  90. 45.Rxf7
  91. Rxb2
  92. 46.Ra7
  93. a4
  94. 47.Kd4
  95. Kd2
  96. 48.Kc5
  97. Kc3
  98. 49.Rb7
  99. Kb3
  100. 50.Rxb5+
  101. Kxa3
  102. 51.Ra5
  103. Rc2+
  104. 52.Kd4
  105. Rc6
  106. 53.Ra8
  107. Kb3
  108. 54.Kd5
  109. Rc7
  110. 55.Rb8+
  111. Ka2
  112. 56.Ra8
  113. a3
  114. 57.Rb8
  115. Ka1
  116. 58.Kd4
  117. Rc2
  118. 59.Kd3
  119. Rb2
  120. 60.Ra8
  121. a2
  122. 61.Rh8
  123. Rb1
  124. 62.Kc3
  125. Rc1+
  126. 63.Kb3
    1. 解決策:63.Kb3
    2. Kb1
    3. 64.Rh2
      1. 64.Ra8 with a winning endgame, for example:
      2. a1=Q
      1. 64.Kb4 with a winning endgame, for example:
      2. a1=Q
    5. 64...a1=Q
      1. 64...Rc3+ 黒のルークが黒のキングがマス c1に至る道を開きます。
      2. 65.Kxc3
        1. 65.Ka4 with a winning endgame, for example:
        2. a1=Q+
        1. 65.Kb4 with a winning endgame, for example:
        2. Rc1
        3. 66.Kb5
        4. a1=Q
      4. 65...a1=Q+
      5. 66.Kb3
        1. 66.Rb2+
        2. Qxb2+
      7. 66...Qa8
      8. 67.Rb2+
      9. Kc1
        1. 67...Ka1
      11. 68.Rc2+
      12. Kd1
        1. 68...Kb1
  128. 63...Kb1
0-1
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