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問題 629892: 黒 が 守って勝つとするために

FM Bojan Todorovic (2278) - Randal Ferguson (2058)
Titled Tuesday 6th July chess.com INT (9), 2021.07.06
  2. 1.d4
  3. Nf6
  4. 2.c4
  5. g6
  6. 3.Nc3
  7. d5
  8. 4.Nf3
  9. Bg7
  10. 5.Bg5
  11. O-O
  12. 6.e3
  13. c5
  14. 7.Bxf6
  15. Bxf6
  16. 8.Nxd5
  17. Bg7
  18. 9.Qd2
  19. cxd4
  20. 10.Nxd4
  21. e6
  22. 11.Nc3
  23. e5
  24. 12.Ndb5
  25. Bd7
  26. 13.Be2
  27. a6
  28. 14.Nd6
  29. Nc6
  30. 15.O-O
  31. Qc7
  32. 16.c5
  33. Rad8
  34. 17.Nd5
  35. Qb8
  36. 18.Nb6
  37. Be6
  38. 19.Qc3
  39. Qc7
  40. 20.Nbc4
  41. e4
  42. 21.Qa3
  43. Na7
  44. 22.Nxe4
  45. Nb5
  46. 23.Qb4
  47. Rfe8
  48. 24.a4
  49. Na7
  50. 25.Ncd6
  51. Re7
  52. 26.Rad1
  53. Nc6
  54. 27.Qb6
  55. Qb8
  56. 28.Nc3
  57. Ne5
  58. 29.f4
  59. Nd7
  60. 30.Qxb7
  61. Nxc5
  62. 31.Qxb8
  63. Rxb8
  64. 32.Rd2
  65. Rd7
  66. 33.Rfd1
  67. Nb3
  68. 34.Rc2
  69. Rbd8
  70. 35.Bc4
  71. Bxc4
  72. 36.Nxc4
  73. Rxd1+
  74. 37.Nxd1
  75. Rxd1+
  76. 38.Kf2
  77. Nc5
  78. 39.Kf3
  79. Rd8
  80. 40.a5
  81. Ne6
  82. 41.b4
  83. h5
  84. 42.g3
  85. g5
  86. 43.Nb6
  87. g4+
  88. 44.Ke4
  89. Nf8
  90. 45.Rc6
  91. Re8+
  92. 46.Kd3
  93. Ne6
  94. 47.e4
  95. Rd8+
  96. 48.Ke3
  97. Nd4
  98. 49.Rc8
  99. Rxc8
  100. 50.Nxc8
  101. Nc6
  102. 51.b5
  103. axb5
  104. 52.a6
  105. b4
  106. 53.Kd3
    1. 解決策:53.Kd3
      1. 脅威を与える:
      2. 54.Ne7+
      3. Nxe7
      4. 55.a7
      5. Bh6
      6. 56.a8=Q+
    3. Bd4
    4. 54.Ne7+
    5. Nxe7
    6. 55.Kxd4
      1. さて、もし55.a7
      2. Bxa7
    8. 55...Kg7
      1. 55...Kh7
      2. 56.Kc5
      3. b3
      4. 57.a7
      5. b2
      6. 58.a8=Q
      7. b1=Q
    10. 56.Kd3
    11. Nc6
  108. 53...Bf8
  109. 54.a7
1-0
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