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問題 1016486: 黒 が 勝ちとするために

WCM Clara Isabel Pena Gonzalez (1895) - WIM Zsuzsanna Terbe (2168)
Olympiad Women 2024 Budapest HUN, 2024.09.21
  2. 1.e4
  3. e5
  4. 2.Nf3
  5. Nc6
  6. 3.Bb5
  7. a6
  8. 4.Ba4
  9. Nf6
  10. 5.O-O
  11. b5
  12. 6.Bb3
  13. Bc5
  14. 7.d3
  15. d6
  16. 8.c3
  17. h6
  18. 9.h3
  19. O-O
  20. 10.Re1
  21. Re8
  22. 11.Nbd2
  23. Bb6
  24. 12.a4
  25. Rb8
  26. 13.Nf1
  27. Ne7
  28. 14.Nh4
  29. d5
  30. 15.Qf3
  31. Qd6
  32. 16.Ne3
  33. Be6
  34. 17.exd5
  35. Nfxd5
  36. 18.Ng4
  37. Bxg4
  38. 19.hxg4
  39. Qf6
  40. 20.Nf5
  41. Nxf5
  42. 21.Bxd5
  43. Ne7
  44. 22.Qxf6
  45. gxf6
  46. 23.Be4
  47. Kg7
  48. 24.a5
  49. Ba7
  50. 25.b4
  51. Red8
  52. 26.Bd2
  53. c6
  54. 27.g3
  55. Rb7
  56. 28.Kg2
  57. Rc7
  58. 29.Rh1
  59. Ng8
  60. 30.Rh5
  61. c5
  62. 31.bxc5
  63. Bxc5
  64. 32.Rah1
  65. Ba7
  66. 33.f4
  67. Re8
  68. 34.g5
  69. hxg5
  70. 35.fxg5
  71. Bc5
  72. 36.Rh7+
  73. Kf8
  74. 37.g6
  75. Bd6
  76. 38.gxf7
  77. Rxf7
  78. 39.Bg6
  79. Rxh7
  80. 40.Rxh7
  81. Re7
  82. 41.Rxe7
  83. Kxe7
  84. 42.Be4
  85. Kd7
  86. 43.Bb7
  87. Ne7
  88. 44.Bxa6
  89. Kc6
  90. 45.Kf3
  91. f5
  92. 46.c4
  93. b4
  94. 47.Bb5+
  95. Kc7
  96. 48.a6
  97. Nc6
  98. 49.Bxc6
  99. Kxc6
  100. 50.g4
  101. fxg4+
  102. 51.Kxg4
  103. Bc5
  104. 52.Kf5
  105. b3
  106. 53.Bc1
  107. Bd4
  108. 54.Ke6
  109. Kb6
  110. 55.c5+
  111. Bxc5
  112. 56.Kxe5
  113. Kxa6
  114. 57.Kd5
  115. Kb5
  116. 58.Bb2
  117. Kb4
  118. 59.Kc6
  119. Bf8
  120. 60.Kd5
  121. Bh6
  122. 61.Ke4
  123. Bd2
  124. 62.d4
  125. Bc3
  126. 63.Bc1
  127. Kc4
  128. 64.d5
  129. Bb4
  130. 65.Bb2
  131. Bd6
  132. 66.Bc1
  133. Kc3
  134. 67.Be3
  135. Kc2
  136. 68.Bd4
  137. Bb4
  138. 69.Bg7
    1. 解決策:69.Bg7
    2. Bc3
    3. 70.Bxc3
      1. 70.Bf8 with a winning endgame, for example:
      2. b2
      3. 71.Kf5
      4. b1=Q
      1. 70.Be5
      2. b2
      3. 71.d6 with a winning endgame, for example:
      4. b1=Q
      1. 70.Bd4
      2. b2
      3. 71.Bf2 with a winning endgame, for example:
      4. b1=Q
    5. 70...Kxc3
    6. 71.Ke5
      1. 71.d6
      2. b2
      3. 72.d7
      4. b1=Q+
    8. 71...b2
    9. 72.d6
    10. b1=Q
  140. 69...Bc3
  141. 70.Bxc3
  142. Kxc3
  143. 71.d6
  144. b2
  145. 72.Ke5
  146. b1=Q
  147. 73.Ke6
  148. Qe4+
  149. 74.Kf7
  150. Qd5+
  151. 75.Ke7
  152. Qe5+
  153. 76.Kd7
  154. Kc4
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