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問題 783666: 黒 が 終盤を勝つとするために

GM David Howell (2658) - GM Pavel Ponkratov (2627)
Titled Tuesday 15th June chess.com INT (11), 2021.06.15
  2. 1.d4
  3. c5
  4. 2.c3
  5. Nf6
  6. 3.Bg5
  7. Ne4
  8. 4.Bf4
  9. Qb6
  10. 5.Qb3
  11. cxd4
  12. 6.Qxb6
  13. axb6
  14. 7.cxd4
  15. Nc6
  16. 8.Nc3
  17. Nxd4
  18. 9.Rc1
  19. Nxc3
  20. 10.Rxc3
  21. Nc6
  22. 11.a3
  23. e5
  24. 12.Bd2
  25. d5
  26. 13.e3
  27. Bd7
  28. 14.Bb5
  29. Bc5
  30. 15.Nf3
  31. f6
  32. 16.O-O
  33. Ke7
  34. 17.Rd1
  35. Rhd8
  36. 18.h3
  37. d4
  38. 19.exd4
  39. Nxd4
  40. 20.Nxd4
  41. exd4
  42. 21.Rb3
  43. Bxb5
  44. 22.Rxb5
  45. Kf7
  46. 23.Kf1
  47. Rd7
  48. 24.Bb4
  49. Rc8
  50. 25.Ke2
  51. d3+
  52. 26.Rxd3
  53. Re8+
  54. 27.Kd2
  55. Rxd3+
  56. 28.Kxd3
  57. Bxf2
  58. 29.Rd5
  59. Ke6
  60. 30.Rd6+
  61. Kf5
  62. 31.Rd7
  63. Re3+
  64. 32.Kd2
  65. Rg3
  66. 33.Ke2
  67. Rxg2
  68. 34.Kf3
  69. Rh2
  70. 35.Bd6
  71. Rxh3+
  72. 36.Kxf2
  73. Rd3
  74. 37.Rd8
  75. Rd2+
  76. 38.Ke3
  77. Rxb2
  78. 39.Bb4
  79. Rb3+
  80. 40.Kf2
  81. h5
  82. 41.Rd5+
  83. Kg4
  84. 42.Rd4+
  85. Kg5
  86. 43.Rd5+
  87. f5
  88. 44.Bd2+
  89. Kf6
  90. 45.Rd6+
  91. Kf7
  92. 46.Rd7+
  93. Kf6
  94. 47.Rd6+
  95. Ke5
  96. 48.Rg6
  97. Rxa3
  98. 49.Rxg7
  99. Ra2
  100. 50.Ke1
  101. b5
  102. 51.Rxb7
  103. Ra1+
  104. 52.Kf2
  105. Rb1
  106. 53.Bc3+
  107. Kf4
  108. 54.Bd2+
  109. Ke4
  110. 55.Re7+
  111. Kd3
  112. 56.Rd7+
  113. Kc2
  114. 57.Ba5
  115. Ra1
  116. 58.Bb4
  117. Ra4
  118. 59.Bf8
  119. b4
  120. 60.Rd4
  121. Kc3
  122. 61.Rf4
  123. Ra2+
  124. 62.Kg3
  125. b3
  126. 63.Rxf5
  127. Ra7
  128. 64.Rc5+
  129. Kd3
  130. 65.Rb5
  131. Kc2
  132. 66.Bc5
  133. Rg7+
  134. 67.Kh3
  135. Rg5
  136. 68.Kh4
  137. Rd5
  138. 69.Kh3
  139. b2
  140. 70.Rxb2+
  141. Kxb2
  142. 71.Be7
  143. Kc2
  144. 72.Kh4
  145. Kd3
  146. 73.Bg5
  147. Ke4
  148. 74.Kxh5
    1. 解決策:74.Kxh5
    2. Kf5
    3. 75.Kh4
      1. 75.Kh6
      2. Rd6+
      3. 76.Kg7
      4. Kxg5
      1. 75.Bh6 with a winning endgame, for example:
      2. Rd1
      3. 76.Bg5
      4. Rh1+
      5. 77.Bh4
      6. Rh2
      7. 78.Kh6
      8. Rxh4+
      1. 75.Be3
      2. Rd3
      3. 76.Bf2
      4. Rh3+
      5. 77.Bh4 with a winning endgame, for example:
      6. Rh2
      7. 78.Kh6
      8. Rxh4+
    5. 75...Rd4+
    6. 76.Kh5 with a winning endgame, for example:
      1. 76.Bf4
      2. Kxf4
      1. 76.Kg3
      2. Kxg5
      1. 76.Kh3
      2. Kxg5
    8. 76...Rg4
    9. 77.Be7
    10. Rg7
    11. 78.Bf8
    12. Rh7+
    13. 79.Bh6
    14. Rh8
    15. 80.Kh4
    16. Rxh6+
  150. 74...Kf5
  151. 75.Kh4
  152. Rd4+
  153. 76.Kh5
  154. Rd1
0-1

This puzzle is part of the following Puzzle Academy skills:
  • Rook vs Bishop: On the edge (Level 2)
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