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問題 457874: 白 が 守って勝つとするために

FM Jesper Morch Lauridsen (2215) - Dipro Chakraborty (2170)
Titled Tuesday 7th Dec chess.com INT (7), 2021.12.07
  2. 1.d4
  3. Nf6
  4. 2.Nf3
  5. g6
  6. 3.c4
  7. Bg7
  8. 4.Nc3
  9. O-O
  10. 5.e4
  11. d6
  12. 6.Be2
  13. Na6
  14. 7.Be3
  15. e5
  16. 8.d5
  17. Nc5
  18. 9.Nd2
  19. a5
  20. 10.O-O
  21. b6
  22. 11.a3
  23. Bd7
  24. 12.b4
  25. Nb7
  26. 13.f3
  27. Nh5
  28. 14.Qc2
  29. f5
  30. 15.Nb3
  31. a4
  32. 16.Nd2
  33. f4
  34. 17.Bf2
  35. g5
  36. 18.Rab1
  37. Rf6
  38. 19.c5
  39. bxc5
  40. 20.bxc5
  41. Nxc5
  42. 21.Bxc5
  43. dxc5
  44. 22.Nc4
  45. Rh6
  46. 23.Rfd1
  47. Qe8
  48. 24.d6
  49. Nf6
  50. 25.dxc7
  51. Qh5
  52. 26.h3
  53. Bxh3
  54. 27.Rb8+
  55. Bf8
  56. 28.Rxa8
  57. Bxg2
    1. 解決策:28...Bxg2
      1. 脅威を与える:
      2. 29...Qh2+
      3. 30.Kf2
      4. Qg3+
      5. 31.Kg1
      6. Rh1#
    3. 29.Rxf8+ 白のルークが、マス d6を守っていた黒のビショップを取ります。
    4. Kg7
    5. 30.Rf7+
    6. Kxf7
    7. 31.Nd6+
    8. Kg6
    9. 32.Nf5
    10. g4
    11. 33.Kf2 White is winning. White's passed pawn(s), material advantage and piece activity are not compensated by Black's better king safety.
  59. 29.Rxf8+
  60. Kg7
  61. 30.Rf7+
  62. Kxf7
  63. 31.Nxe5+
  64. Kg7
  65. 32.Ng4
  66. Nxg4
  67. 33.Rd7+
  68. Kf6
  69. 34.Rd6+
  70. Ke7
  71. 35.Nd5+
  72. Kxd6
  73. 36.c8=N+
  74. Kd7
  75. 37.Ncb6+
  76. Ke8
  77. 38.Bb5+
  78. Kf8
  79. 39.Qxc5+
  80. Kg7
  81. 40.Qe7+
  82. Qf7
  83. 41.Qxf7+
  84. Kxf7
  85. 42.fxg4
  86. Bxe4
  87. 43.Nc3
  88. Bc6
  89. 44.Bxc6
  90. Rxc6
  91. 45.Nbxa4
  92. Kg6
  93. 46.Kf2
  94. h5
  95. 47.gxh5+
  96. Kxh5
  97. 48.Nd5
  98. Rc2+
  99. 49.Kf1
  100. Ra2
  101. 50.Nac3
  102. Rxa3
  103. 51.Ne2
  104. Ra1+
  105. 52.Kf2
  106. Kh4
  107. 53.Nf6
  108. Ra2
  109. 54.Kf3
  110. Ra3+
  111. 55.Kf2
  112. Re3
  113. 56.Nd4
  114. Re5
  115. 57.Nf3+
  116. Kh3
  117. 58.Nxe5
  118. g4
  119. 59.Nfxg4
  120. f3
  121. 60.Nf6
  122. Kh4
  123. 61.Ne4
  124. Kh5
  125. 62.Kg3
  126. Kh6
  127. 63.Nf2
  128. Kg7
  129. 64.Kf4
  130. Kf6
  131. 65.Ke4
  132. Ke7
  133. 66.Kf5
  134. Kd6
  135. 67.Ne4+
  136. Kd5
  137. 68.Nxf3
1/2-1/2
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