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問題 303958: 白 が 終盤で引き分けとするために

GM Anish Giri (2780) - GM Teimour Radjabov (2765)
FTX Crypto Cup KO 2021 chess24.com INT, 2021.05.27
  2. 1.e4
  3. e5
  4. 2.Nf3
  5. Nc6
  6. 3.Bb5
  7. Nf6
  8. 4.d3
  9. Bc5
  10. 5.Bxc6
  11. dxc6
  12. 6.O-O
  13. Nd7
  14. 7.Nc3
  15. O-O
  16. 8.Ne2
  17. Re8
  18. 9.Be3
  19. Bd6
  20. 10.Nd2
  21. Nf8
  22. 11.Ng3
  23. Ng6
  24. 12.Qf3
  25. Be6
  26. 13.Nf5
  27. Qd7
  28. 14.g4
  29. c5
  30. 15.b3
  31. f6
  32. 16.Kh1
  33. Nf4
  34. 17.Rg1
  35. g6
  36. 18.h4
  37. Kh8
  38. 19.Nxd6
  39. Qxd6
  40. 20.Nc4
  41. Bxc4
  42. 21.dxc4
  43. g5
  44. 22.Rad1
  45. Qe7
  46. 23.Bxf4
  47. exf4
  48. 24.hxg5
  49. fxg5
  50. 25.Kg2
  51. Rad8
  52. 26.Qc3+
  53. Kg8
  54. 27.f3
  55. c6
  56. 28.a4
  57. b6
  58. 29.a5
  59. Rd6
  60. 30.axb6
  61. axb6
  62. 31.Rd3
  63. Rxd3
  64. 32.cxd3
  65. Rd8
  66. 33.Ra1
  67. Qg7
  68. 34.Qxg7+
  69. Kxg7
  70. 35.Ra6
  71. Rb8
  72. 36.Ra7+
  73. Kf6
  74. 37.Kf2
  75. Ke5
  76. 38.Ke2
  77. b5
  78. 39.Kd2
  79. bxc4
  80. 40.bxc4
  81. h6
  82. 41.Kc3
  83. Rf8
  84. 42.Re7+
  85. Kd6
  86. 43.Rh7
  87. Rf6
  88. 44.Rh8
  89. Ke5
  90. 45.Re8+
  91. Re6
  92. 46.Rxe6+
  93. Kxe6
  94. 47.d4
  95. cxd4+
  96. 48.Kxd4
  97. c5+
  98. 49.Kxc5
  99. h5
  100. 50.gxh5
  101. g4
  102. 51.h6
  103. Kf7
  104. 52.e5
  105. gxf3
  106. 53.h7
  107. Kg7
    1. 解決策:53...Kg7
    2. 54.e6
    3. f2
    4. 55.e7
      1. 55.h8=Q+
      2. Kxh8
      3. 56.e7
      4. Kg7
        1. 56...f1=Q with a drawn endgame, for example:
        2. 57.e8=Q+
        3. Kg7
      6. 57.e8=Q
    6. 55...f1=Q
    7. 56.h8=Q+
      1. 56.e8=Q
    9. 56...Kxh8 with a drawn endgame, for example:
    10. 57.e8=Q+
    11. Kg7
  109. 54.e6
  110. f2
  111. 55.e7
  112. f1=Q
  113. 56.h8=Q+
  114. Kxh8
  115. 57.e8=Q+
  116. Kg7
  117. 58.Qe5+
  118. Kg6
  119. 59.Qe4+
  120. Kg5
  121. 60.Qe5+
  122. Kg4
  123. 61.Qe6+
  124. Kg5
  125. 62.Qe5+
  126. Kg4
  127. 63.Qe6+
  128. Kg5
  129. 64.Qe5+
1/2-1/2
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