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問題 966641: 黒 が 終盤を勝つとするために

GM Dennis Wagner (2620) - GM Subramaniyam H Bharath (2530)
Titled Tue 26th Mar Early chess.com INT (7), 2024.03.26
  2. 1.d4
  3. Nf6
  4. 2.c4
  5. e6
  6. 3.Nf3
  7. Bb4+
  8. 4.Bd2
  9. Qe7
  10. 5.g3
  11. Bxd2+
  12. 6.Qxd2
  13. Nc6
  14. 7.a3
  15. O-O
  16. 8.Bg2
  17. d6
  18. 9.Nc3
  19. e5
  20. 10.Nd5
  21. Nxd5
  22. 11.cxd5
  23. Nb8
  24. 12.dxe5
  25. dxe5
  26. 13.O-O
  27. Rd8
  28. 14.Rfd1
  29. Bg4
  30. 15.Rac1
  31. e4
  32. 16.Qg5
  33. Qxg5
  34. 17.Nxg5
  35. Na6
  36. 18.Kf1
  37. f5
  38. 19.Ne6
  39. Rd7
  40. 20.b4
  41. Rc8
  42. 21.b5
  43. Nb8
  44. 22.d6
  45. c6
  46. 23.Nc5
  47. Rf7
  48. 24.a4
  49. b6
  50. 25.Ne6
  51. c5
  52. 26.Nf4
  53. g5
  54. 27.Nd5
  55. Rd8
  56. 28.Ne7+
  57. Kf8
  58. 29.Nc6
  59. Rc8
  60. 30.h3
  61. Bh5
  62. 31.Nxb8
  63. Rxb8
  64. 32.g4
  65. fxg4
  66. 33.hxg4
  67. Bg6
  68. 34.Rd5
  69. Rd8
  70. 35.Rcd1
  71. Rf6
  72. 36.d7
  73. h6
  74. 37.f3
  75. Ke7
  76. 38.Ke1
  77. Bf7
  78. 39.Re5+
  79. Re6
  80. 40.Rxe6+
  81. Bxe6
  82. 41.fxe4
  83. Bxg4
  84. 42.Kf2
  85. Rxd7
  86. 43.Rh1
  87. h5
  88. 44.Bf3
  89. Bxf3
  90. 45.exf3
  91. h4
  92. 46.Ke3
  93. Rd4
  94. 47.f4
  95. Kf6
  96. 48.fxg5+
  97. Kxg5
  98. 49.Rg1+
  99. Kh5
  100. 50.Kf4
  101. Rxa4
  102. 51.Rg7
  103. c4
  104. 52.Kf5
  105. Kh6
  106. 53.Rg6+
  107. Kh7
  108. 54.Rg4
  109. c3
  110. 55.Rxh4+
  111. Kg7
  112. 56.Rh1
  113. Rc4
  114. 57.Rc1
  115. Kf7
  116. 58.Ke5
  117. Ke7
  118. 59.Kd5
  119. Rc5+
  120. 60.Kd4
  121. Kd6
  122. 61.Rxc3
  123. Rxc3
  124. 62.Kxc3
    1. 解決策:62.Kxc3
    2. Kc5
    3. 63.e5
      1. 63.Kd3
      2. Kxb5
      3. 64.e5 with a winning endgame, for example:
      4. Kc6
      5. 65.Kc2
      6. a5
      7. 66.e6
      8. Kd6
      9. 67.e7
      10. Kxe7
      1. 63.Kb3
      2. Kxb5
      3. 64.e5 with a winning endgame, for example:
      4. Kc6
      5. 65.e6
      6. Kd6
      7. 66.e7
      8. Kxe7
    5. 63...Kxb5
    6. 64.Kd4
      1. 64.e6
      2. Kc6
      3. 65.e7
      4. Kd7
      5. 66.e8=Q+
      6. Kxe8
      1. 64.Kb2 with a winning endgame, for example:
      2. Kc6
      3. 65.e6
      4. Kd6
      5. 66.e7
      6. Kxe7
      1. 64.Kd3 with a winning endgame, for example:
      2. Kc6
      3. 65.Kc2
      4. a5
      5. 66.e6
      6. Kd6
      7. 67.e7
      8. Kxe7
    8. 64...Kc6
    9. 65.Ke4 with a winning endgame, for example:
      1. 65.e6
      2. Kd6
      3. 66.e7
      4. Kxe7
      1. 65.Kc3 with a winning endgame, for example:
      2. a5
      3. 66.e6
      4. Kd6
      5. 67.e7
      6. Kxe7
      1. 65.Kc4 with a winning endgame, for example:
      2. a5
      3. 66.Kb3
      4. b5
      5. 67.e6
      6. a4+
      7. 68.Kb4
      8. Kd6
      9. 69.e7
      10. Kxe7
    11. 65...a5
    12. 66.e6
    13. Kd6
    14. 67.Kf5
    15. Ke7
    16. 68.Ke5
    17. a4
    18. 69.Kd5
    19. a3
    20. 70.Ke5
    21. a2
    22. 71.Kf5
    23. a1=Q
  126. 62...Kc5
  127. 63.Kd3
  128. Kxb5
  129. 64.Kd4
  130. Kc6
  131. 65.Ke5
  132. a5
  133. 66.Kf6
  134. a4
  135. 67.e5
  136. a3
  137. 68.e6
  138. a2
  139. 69.e7
  140. a1=Q+
  141. 70.Kf7
  142. Qf1+
  143. 71.Ke8
  144. Qe2
  145. 72.Kd8
  146. Qd3+
  147. 73.Kc8
  148. Qd7+
  149. 74.Kb8
  150. Qb7#
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