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問題 819416: 白 が 終盤を勝つとするために

GM Stelios Halkias (2527) - IM Nicolas Brunner (2423)
Titled Tuesday 18th Jan chess.com INT (5), 2022.01.18
  2. 1.e4
  3. e5
  4. 2.Nf3
  5. Nc6
  6. 3.Bc4
  7. Nf6
  8. 4.d3
  9. Be7
  10. 5.O-O
  11. O-O
  12. 6.a4
  13. d5
  14. 7.exd5
  15. Nxd5
  16. 8.h3
  17. Kh8
  18. 9.a5
  19. a6
  20. 10.Re1
  21. f6
  22. 11.Nbd2
  23. Bb4
  24. 12.c3
  25. Bxa5
  26. 13.Ne4
  27. Bb6
  28. 14.Nh4
  29. Nce7
  30. 15.d4
  31. exd4
  32. 16.cxd4
  33. Nf5
  34. 17.Nxf5
  35. Bxf5
  36. 18.Qh5
  37. g6
  38. 19.Qf3
  39. Bxd4
  40. 20.Bh6
  41. Re8
  42. 21.Rad1
  43. c5
  44. 22.Nxc5
  45. Rxe1+
  46. 23.Rxe1
  47. Bxc5
  48. 24.Bxd5
  49. Qa5
  50. 25.Rc1
  51. Bd4
  52. 26.g4
  53. Bd7
  54. 27.Qe4
  55. Be5
  56. 28.g5
  57. Bf5
  58. 29.Qc4
  59. Qd2
  60. 30.gxf6
  61. Qxh6
  62. 31.f7
  63. Qf8
  64. 32.Re1
  65. Bg7
  66. 33.Bxb7
  67. Rd8
  68. 34.Bc6
  69. Bd7
  70. 35.Bxd7
  71. Rxd7
  72. 36.Re8
  73. Rxf7
  74. 37.Rxf8+
  75. Rxf8
  76. 38.Qxa6
  77. Bd4
  78. 39.Qd6
  79. Bxf2+
  80. 40.Kg2
  81. Rf5
  82. 41.Qd8+
  83. Kg7
  84. 42.Qd7+
  85. Kh6
  86. 43.Qxf5
  87. gxf5
  88. 44.Kxf2
  89. Kg5
  90. 45.b4
  91. Kf6
  92. 46.Ke3
  93. Ke5
  94. 47.b5
  95. Kd5
  96. 48.Kf4
  97. Kc5
  98. 49.Kxf5
  99. Kxb5
    1. 解決策:49...Kxb5
    2. 50.Kg5
    3. Kc5
      1. 50...Kc4
      2. 51.Kh6
      3. Kd4
      4. 52.Kxh7
      5. Ke5
      1. 50...Ka6 with a winning endgame, for example:
      2. 51.h4
      3. Kb6
      4. 52.Kh6
      5. Kc5
      6. 53.Kxh7
      7. Kd5
      8. 54.h5
      9. Ke6
      10. 55.Kg7
      11. Kf5
      12. 56.h6
      13. Kg5
      14. 57.h7
      15. Kh5
      16. 58.h8=Q+
    5. 51.Kh6
    6. Kd6
      1. 51...Kd5
      2. 52.Kxh7
      3. Ke5
      1. 51...Kb6
      2. 52.Kxh7
      3. Kc5 with a winning endgame, for example:
      4. 53.h4
      5. Kd5
      6. 54.h5
      7. Ke6
      8. 55.Kg7
      9. Kf5
      10. 56.h6
      11. Kg5
      12. 57.h7
      13. Kh5
      14. 58.h8=Q+
    8. 52.Kxh7
    9. Ke5
      1. 52...Ke6
      2. 53.Kg6
      3. Ke5
      4. 54.h4
      5. Kf4
      6. 55.h5
      7. Kg4
      8. 56.h6
      9. Kh4 with a winning endgame, for example:
      10. 57.h7
      11. Kg4
      12. 58.h8=Q
      1. 52...Ke7
      2. 53.Kg7
      3. Kd6 with a winning endgame, for example:
      4. 54.h4
      5. Ke7
      6. 55.h5
      7. Ke6
      8. 56.h6
      9. Kf5
      10. 57.h7
      11. Kg5
      12. 58.h8=Q
    11. 53.Kg6
    12. Kf4
    13. 54.h4
    14. Kg4
    15. 55.h5
    16. Kh4
    17. 56.h6
      1. 56.Kh6
      2. Kg4
      3. 57.Kg6
      4. Kh4
        1. 57...Kg3 with a winning endgame, for example:
        2. 58.h6
        3. Kf4
        4. 59.h7
        5. Kg4
        6. 60.h8=Q
        1. 57...Kf4 with a winning endgame, for example:
        2. 58.h6
        3. Kg4
        4. 59.h7
        5. Kh4
        6. 60.h8=Q+
    19. 56...Kg4 with a winning endgame, for example:
    20. 57.h7
    21. Kh4
    22. 58.h8=Q+
  101. 50.Kf6
  102. Kb6
  103. 51.h4
  104. Kc7
  105. 52.h5
  106. Kd7
  107. 53.Kg7
  108. Ke7
  109. 54.h6
  110. Ke8
  111. 55.Kg8
  112. Ke7
  113. 56.Kg7
  114. Ke8
  115. 57.Kxh7
  116. Kf7
  117. 58.Kh8
  118. Kf8
  119. 59.h7
  120. Kf7 stalemate
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