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問題 351765: 白 が 防御とするために

GM Bharathakoti Harsha (2509) - GM Alexander Zubov (2598)
Titled Tuesday 15th June chess.com INT (9), 2021.06.15
  2. 1.c4
  3. e5
  4. 2.g3
  5. Nc6
  6. 3.Bg2
  7. Bc5
  8. 4.Nc3
  9. d6
  10. 5.e3
  11. a6
  12. 6.Nf3
  13. Nf6
  14. 7.d4
  15. Ba7
  16. 8.h3
  17. O-O
  18. 9.O-O
  19. h6
  20. 10.b3
  21. Bf5
  22. 11.dxe5
  23. dxe5
  24. 12.Ba3
  25. Re8
  26. 13.Qxd8
  27. Raxd8
  28. 14.Rfd1
  29. e4
  30. 15.Nd2
  31. Rd3
  32. 16.Bb2
  33. Red8
  34. 17.Nf1
  35. Nb4
  36. 18.g4
  37. Bg6
  38. 19.Rxd3
  39. Nxd3
  40. 20.Rd1
  41. Re8
  42. 21.Ba3
  43. Bc5
  44. 22.Bxc5
  45. Nxc5
  46. 23.Ng3
  47. a5
  48. 24.Rd4
  49. c6
  50. 25.Kf1
  51. Kh7
  52. 26.Ke2
  53. Re5
  54. 27.Rd8
  55. h5
  56. 28.gxh5
  57. Bxh5+
  58. 29.Kd2
  59. Bg6
  60. 30.Bf1
  61. Re7
  62. 31.Be2
  63. Rd7+
  64. 32.Rxd7
  65. Nfxd7
  66. 33.h4
  67. Kh6
  68. 34.Kc2
  69. f5
  70. 35.a3
  71. Na6
  72. 36.Na4
  73. Bh7
  74. 37.Kc3
  75. g5
  76. 38.hxg5+
  77. Kxg5
  78. 39.b4
  79. axb4+
  80. 40.axb4
  81. f4
  82. 41.exf4+
  83. Kxf4
  84. 42.c5
  85. Nc7
  86. 43.Nh5+
  87. Ke5
  88. 44.Nb2
  89. Nd5+
  90. 45.Kb3
  91. Bg8
  92. 46.Nc4+
  93. Kd4
    1. 解決策:46...Kd4
      1. 脅威を与える:
      2. 47...Ne7
      3. 48.f3
      4. e3
      5. 49.Bf1
      6. Ne5
      7. 50.Nf4
      8. Bxc4+
      9. 51.Bxc4
      10. Nxc4
    3. 47.Ng3
    4. Ne7
    5. 48.Bf1
      1. 48.Nf1
      2. Bxc4+
      3. 49.Bxc4
      4. Nd5
      5. 50.Bxd5
        1. 50.Ng3
    7. 48...Bxc4+
    8. 49.Bxc4
  95. 47.Ka4
  96. Nc3+
0-1
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