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問題 995525: 白 が 終盤を勝つとするために

Mohammed Aayan Ismail (2211) - Indy Southcott-Moyers (2077)
Cambridge Int Open 2023 Cambridge ENG, 2023.02.19
  2. 1.d4
  3. d5
  4. 2.c4
  5. c6
  6. 3.Nf3
  7. Nf6
  8. 4.g3
  9. Bf5
  10. 5.Nc3
  11. e6
  12. 6.Nh4
  13. dxc4
  14. 7.Nxf5
  15. exf5
  16. 8.e3
  17. Bd6
  18. 9.Bxc4
  19. O-O
  20. 10.O-O
  21. Nbd7
  22. 11.Qd3
  23. Nb6
  24. 12.Bb3
  25. g6
  26. 13.f3
  27. c5
  28. 14.e4
  29. cxd4
  30. 15.Qxd4
  31. Qe7
  32. 16.Qd3
  33. Rad8
  34. 17.Qc2
  35. fxe4
  36. 18.Bh6
  37. Rfe8
  38. 19.Nxe4
  39. Nbd5
  40. 20.Bxd5
  41. Nxd5
  42. 21.Rad1
  43. Be5
  44. 22.Qb3
  45. Qb4
  46. 23.Qxb4
  47. Nxb4
  48. 24.a3
  49. Nd5
  50. 25.Rfe1
  51. Nf6
  52. 26.Nc3
  53. Bd4+
  54. 27.Kg2
  55. Rxe1
  56. 28.Rxe1
  57. Re8
  58. 29.Rd1
  59. Be3
  60. 30.Bxe3
  61. Rxe3
  62. 31.Rd6
  63. Kg7
  64. 32.Rxf6
  65. Rxc3
  66. 33.Rxg6+
  67. Kxg6
  68. 34.bxc3
  69. Kf5
  70. 35.Kf2
  71. Ke5
  72. 36.Ke3
  73. Kd5
  74. 37.Kd3
  75. Kc5
  76. 38.h4
  77. Kb5
  78. 39.Kc2
  79. Kc4
  80. 40.g4
  81. b5
  82. 41.f4
  83. a5
  84. 42.h5
  85. b4
  86. 43.cxb4
  87. axb4
  88. 44.axb4
  89. Kxb4
  90. 45.g5
  91. Kc5
  92. 46.f5
  93. Kd6
  94. 47.g6
  95. fxg6
  96. 48.fxg6
  97. hxg6
  98. 49.h6
  99. Ke7
    1. 解決策:49...Ke7
    2. 50.h7
    3. Kf7
      1. 50...g5 with a winning endgame, for example:
      2. 51.h8=Q
      1. 50...Kd6 with a winning endgame, for example:
      2. 51.h8=Q
      1. 50...Kf8
      2. 51.h8=Q+
      1. 50...Kd7 with a winning endgame, for example:
      2. 51.h8=Q
    5. 51.h8=Q
      1. 51.h8=R
      2. Kf6 with a winning endgame, for example:
      3. 52.Kd3
      4. g5
      5. 53.Ke4
      6. g4
      7. 54.Rg8
      8. g3
      9. 55.Rxg3
  101. 50.h7
  102. Kf7
  103. 51.h8=Q
1-0
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