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問題 948861: 黒 が 守って勝つとするために

GM Haik M. Martirosyan (2678) - GM Manuel Petrosyan (2619)
World Blitz 2023 Samarkand UZB, 2023.12.30
  2. 1.d4
  3. Nf6
  4. 2.c4
  5. e6
  6. 3.Bg5
  7. c5
  8. 4.d5
  9. exd5
  10. 5.cxd5
  11. h6
  12. 6.Bc1
  13. d6
  14. 7.Nc3
  15. g6
  16. 8.e4
  17. Bg7
  18. 9.Bb5+
  19. Nbd7
  20. 10.a4
  21. O-O
  22. 11.Nge2
  23. Qc7
  24. 12.O-O
  25. c4
  26. 13.Bxd7
  27. Nxd7
  28. 14.Nb5
  29. Qb8
  30. 15.Bf4
  31. Ne5
  32. 16.Qd2
  33. Kh7
  34. 17.Be3
  35. Bd7
  36. 18.Nbc3
  37. f5
  38. 19.Bd4
  39. fxe4
  40. 20.Nxe4
  41. Bf5
  42. 21.N2g3
  43. Qc7
  44. 22.Rac1
  45. Rac8
  46. 23.b3
  47. Qe7
  48. 24.Bxe5
  49. Qxe5
  50. 25.Rfe1
  51. Qb2
  52. 26.Qxb2
  53. Bxb2
  54. 27.Rxc4
  55. Rxc4
  56. 28.bxc4
  57. Be5
  58. 29.a5
  59. Rc8
  60. 30.Rb1
  61. Rxc4
  62. 31.Rxb7+
  63. Kh8
  64. 32.f3
  65. Rc1+
  66. 33.Kf2
  67. Rc2+
  68. 34.Kf1
  69. Rc1+
  70. 35.Ke2
  71. Rc2+
  72. 36.Ke3
  73. Rxg2
  74. 37.f4
  75. Bb2
  76. 38.Nxd6
  77. Bc1+
  78. 39.Kf3
  79. Bh3
  80. 40.Rxa7
  81. Rxh2
  82. 41.Rc7
  83. Bg2+
  84. 42.Kg4
  85. Bh3+
  86. 43.Kf3
  87. Bg2+
  88. 44.Kf2
  89. Bxf4
  90. 45.Rc8+
  91. Kh7
  92. 46.Rc7+
  93. Kg8
  94. 47.Rc8+
  95. Kg7
  96. 48.Ne8+
  97. Kf7
  98. 49.Nf1
  99. Bh3+
  100. 50.Nxh2
  101. Bxc8
  102. 51.Ng4
  103. Bxg4
  104. 52.a6
  105. Bc8
  106. 53.a7
    1. 解決策:53.a7
      1. 脅威を与える:
      2. 54.a8=Q
    3. Bb7
    4. さて、もし54.a8=Q
    5. Bxa8
  108. 53...Bb7
  109. 54.Ng7
  110. Kxg7
  111. 55.d6
  112. Bxd6
0-1

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