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問題 858974: 白 が 終盤を勝つとするために

Andrew P Lewis (2284) - Terry PD Chapman (2200)
GBR-ch 94th Great Yarmouth (6), 2007.08.04
  2. 1.d4
  3. Nf6
  4. 2.c4
  5. c5
  6. 3.Nf3
  7. cxd4
  8. 4.Nxd4
  9. e5
  10. 5.Nb5
  11. d5
  12. 6.cxd5
  13. Bc5
  14. 7.e3
  15. O-O
  16. 8.N5c3
  17. e4
  18. 9.Be2
  19. Qe7
  20. 10.Nd2
  21. Rd8
  22. 11.Qc2
  23. Bf5
  24. 12.g4
  25. Nxg4
  26. 13.Bxg4
  27. Bxg4
  28. 14.Qxe4
  29. Qxe4
  30. 15.Ndxe4
  31. Na6
  32. 16.a3
  33. f5
  34. 17.Rg1
  35. Be7
  36. 18.Bd2
  37. Rd7
  38. 19.d6
  39. Bxd6
  40. 20.h3
  41. Bh2
  42. 21.hxg4
  43. Bxg1
  44. 22.gxf5
  45. Bh2
  46. 23.f4
  47. h5
  48. 24.Ke2
  49. h4
  50. 25.f6
  51. Rad8
  52. 26.Be1
  53. Bg3
  54. 27.Bxg3
  55. hxg3
  56. 28.Rg1
  57. Kf8
  58. 29.Rxg3
  59. gxf6
  60. 30.Nxf6
  61. Rd2+
  62. 31.Kf3
  63. Kf7
  64. 32.Nce4
  65. Rxb2
  66. 33.f5
  67. Nc5
  68. 34.Rh3
  69. Nxe4
  70. 35.Nxe4
  71. Rg8
  72. 36.Kf4
  73. Rb3
  74. 37.Ng5+
  75. Ke7
  76. 38.Rh7+
  77. Kd6
  78. 39.e4
  79. Rb1
  80. 40.Rh6+
  81. Kd7
  82. 41.Rh7+
  83. Kd6
  84. 42.e5+
  85. Kc6
  86. 43.Rh6+
  87. Kc7
  88. 44.Ne6+
  89. Kc6
  90. 45.Nf8+
  91. Kc7
  92. 46.Ng6
  93. Rg1
  94. 47.Rh7+
  95. Kb6
  96. 48.e6
  97. R1xg6
  98. 49.fxg6
  99. Rxg6
  100. 50.e7
  101. Rg8
  102. 51.Kf5
  103. Kb5
  104. 52.Ke6
  105. Ka4
  106. 53.Kf7
  107. Rc8
  108. 54.e8=Q+
  109. Rxe8
  110. 55.Kxe8
  111. Kxa3
  112. 56.Rxb7
  113. a5
  114. 57.Kd7
  115. a4
  116. 58.Kc6
  117. Ka2
  118. 59.Kc5
  119. a3
  120. 60.Kb4
  121. Kb2
  122. 61.Rh7
  123. a2
    1. 解決策:61...a2
    2. 62.Rh2+
    3. Kb1
      1. 62...Ka1 with a winning endgame, for example:
      2. 63.Kb3
      3. Kb1
      4. 64.Rxa2
    5. 63.Kb3
      1. 63.Rh1+
      2. Kb2
      3. 64.Rh2+
      4. Kb1
    7. 63...a1=N+ with a winning endgame, for example:
      1. 63...a1=Q
      2. 64.Rh1#
    9. 64.Kc3
    10. Kc1
    11. 65.Rh1#
  125. 62.Rh2+
  126. Kb1
  127. 63.Kb3
  128. a1=N+
  129. 64.Kc3
1-0
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