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問題 780374: 白 が 終盤を勝つとするために

FM Tom Decuigniere (2325) - GM Aman Hambleton (2437)
Titled Tue 22nd Nov Early chess.com INT (6), 2022.11.22
  2. 1.c4
  3. c5
  4. 2.Nc3
  5. b6
  6. 3.Nf3
  7. Bb7
  8. 4.g3
  9. Bxf3
  10. 5.exf3
  11. Nc6
  12. 6.Bg2
  13. Nh6
  14. 7.O-O
  15. g6
  16. 8.f4
  17. Nf5
  18. 9.a3
  19. Rc8
  20. 10.b4
  21. d6
  22. 11.Qa4
  23. Qd7
  24. 12.Nb5
  25. Bg7
  26. 13.Rb1
  27. Nfd4
  28. 14.Nxd4
  29. Nxd4
  30. 15.Qxd7+
  31. Kxd7
  32. 16.d3
  33. e6
  34. 17.Bb2
  35. Ne2+
  36. 18.Kh1
  37. Bxb2
  38. 19.Rxb2
  39. Nd4
  40. 20.Ra1
  41. Rc7
  42. 21.b5
  43. Ke7
  44. 22.a4
  45. Rd8
  46. 23.a5
  47. d5
  48. 24.h4
  49. dxc4
  50. 25.dxc4
  51. Rd6
  52. 26.axb6
  53. axb6
  54. 27.Ra6
  55. h6
  56. 28.Kh2
  57. Kf6
  58. 29.Kh3
  59. Rcd7
  60. 30.Rd2
  61. h5
  62. 31.Bc6
  63. Rc7
  64. 32.Rxb6
  65. Ke7
  66. 33.Ra6
  67. Nxc6
  68. 34.Rxd6
  69. Kxd6
  70. 35.bxc6
  71. Rxc6
  72. 36.Ra7
  73. Rc7
  74. 37.Ra6+
  75. Ke7
  76. 38.Ra5
  77. Rc6
  78. 39.Kg2
  79. Kd6
  80. 40.Ra7
  81. Rc7
  82. 41.Ra6+
  83. Kd7
  84. 42.Kf3
  85. Rb7
  86. 43.Ra5
  87. Kc6
  88. 44.Ra6+
  89. Kc7
  90. 45.Ra5
  91. Kb6
  92. 46.Rb5+
  93. Kc6
  94. 47.Rxb7
  95. Kxb7
  96. 48.Ke4
  97. f6
  98. 49.Kd3
  99. Kc6
  100. 50.f3
  101. Kd6
  102. 51.Ke4
  103. Kc7
  104. 52.Kd3
  105. Kc6
  106. 53.Kc3
  107. Kd6
  108. 54.Kd3
  109. e5
  110. 55.Ke4
  111. exf4
  112. 56.Kxf4
  113. Kc6
  114. 57.Ke4
  115. Kd6
  116. 58.g4
  117. Ke6
  118. 59.gxh5
  119. gxh5
  120. 60.Kf4
  121. Ke7
  122. 61.Kf5
  123. Kf7
  124. 62.f4
  125. Ke7
  126. 63.Kg6
  127. Ke6
  128. 64.Kxh5
  129. Kf5
  130. 65.Kh6
  131. Kxf4
  132. 66.h5
  133. Ke4
  134. 67.Kg6
  135. f5
    1. 解決策:67...f5
    2. 68.h6
    3. f4
      1. 68...Ke5 with a winning endgame, for example:
      2. 69.h7
      3. f4
      4. 70.h8=Q+
      1. 68...Kd4
      2. 69.Kxf5
      3. Kxc4 with a winning endgame, for example:
      4. 70.h7
      5. Kd3
      6. 71.h8=Q
    5. 69.h7
    6. Kd3
      1. 69...f3
      2. 70.h8=Q
    8. 70.h8=Q
      1. 70.h8=R
      2. Kxc4 with a winning endgame, for example:
      3. 71.Kf5
      4. Kd3
      5. 72.Kxf4
      6. c4
      7. 73.Kf3
      8. c3
      9. 74.Rd8+
      10. Kc2
      11. 75.Ke2
      12. Kb2
      13. 76.Kd3
      14. c2
      15. 77.Rb8+
      16. Kc1
      17. 78.Rc8
      18. Kb2
      19. 79.Rxc2+
    10. 70...Kxc4 with a winning endgame, for example:
    11. 71.Kf5
    12. f3
    13. 72.Ke4
    14. f2
    15. 73.Qf6
    16. f1=Q
    17. 74.Qxf1+
  137. 68.h6
  138. f4
  139. 69.h7
  140. f3
  141. 70.h8=Q
  142. f2
  143. 71.Qf6
  144. f1=Q
  145. 72.Qxf1
1-0
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