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問題 332383: 白 が 防御とするために

GM Anton Demchenko (2600) - GM Hikaru Nakamura (2736)
Titled Tuesday 22nd June chess.com INT (5), 2021.06.22
  2. 1.e4
  3. e5
  4. 2.Nf3
  5. Nc6
  6. 3.Bc4
  7. Bc5
  8. 4.d3
  9. Nf6
  10. 5.Bg5
  11. h6
  12. 6.Bh4
  13. Be7
  14. 7.Bg3
  15. d6
  16. 8.a4
  17. Be6
  18. 9.Bxe6
  19. fxe6
  20. 10.c3
  21. O-O
  22. 11.O-O
  23. Qe8
  24. 12.Nbd2
  25. Nh5
  26. 13.b4
  27. Bf6
  28. 14.b5
  29. Ne7
  30. 15.d4
  31. exd4
  32. 16.cxd4
  33. Ng6
  34. 17.Rc1
  35. Qf7
  36. 18.Re1
  37. Nxg3
  38. 19.hxg3
  39. Bxd4
  40. 20.Nb3
  41. Bf6
  42. 21.Qc2
  43. Rac8
  44. 22.Na5
  45. Rb8
  46. 23.Re2
  47. Bd8
  48. 24.Nc4
  49. Be7
  50. 25.Qb3
  51. a6
  52. 26.Rd2
  53. axb5
  54. 27.axb5
  55. Rfd8
  56. 28.Ne3
  57. Bf8
  58. 29.Rdc2
  59. Rd7
  60. 30.Qa4
  61. b6
  62. 31.Rc6
  63. Re8
  64. 32.Qc2
  65. Ree7
  66. 33.Nc4
  67. Qe8
  68. 34.Qa2
  69. Kh8
  70. 35.Qa7
  71. Rd8
  72. 36.Rxc7
  73. Rxc7
  74. 37.Qxc7
  75. Rc8
  76. 38.Qxb6
  77. Rb8
  78. 39.Qd4
  79. e5
  80. 40.Qd2
  81. Qxb5
  82. 41.Nxd6
  83. Qd7
  84. 42.Nf5
  85. Qxd2
  86. 43.Nxd2
  87. Kg8
  88. 44.Nf3
  89. Rb7
  90. 45.Rc8
  91. Kf7
  92. 46.Ne3
  93. Be7
  94. 47.Nc4
  95. Rb1+
  96. 48.Kh2
  97. Bf6
  98. 49.Nd6+
  99. Ke6
  100. 50.Nf5
  101. Rb2
  102. 51.Kg1
  103. Rb1+
    1. 解決策:51...Rb1+
    2. 52.Kh2
  105. 52.Kh2
  106. Rb2
  107. 53.Kg1
  108. Rb1+
  109. 54.Kh2
1/2-1/2

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