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問題 743211: 黒 が 守って勝つとするために

Georgios-Alexandros Kouskoutis (2365) - IM Ana Pavlidis (2358)
67th ch-GRE 2017 Thessaloniki GRE, 2017.12.21
  2. 1.c4
  3. Nf6
  4. 2.g3
  5. g6
  6. 3.Bg2
  7. Bg7
  8. 4.Nc3
  9. O-O
  10. 5.e4
  11. d6
  12. 6.Nge2
  13. e5
  14. 7.O-O
  15. Be6
  16. 8.d3
  17. Qd7
  18. 9.f4
  19. Nc6
  20. 10.Nd5
  21. Bg4
  22. 11.Ne3
  23. Bxe2
  24. 12.Qxe2
  25. Nd4
  26. 13.Qd1
  27. exf4
  28. 14.gxf4
  29. c6
  30. 15.Bd2
  31. Rae8
  32. 16.f5
  33. Qd8
  34. 17.Ng4
  35. Nxg4
  36. 18.Qxg4
  37. Nc2
  38. 19.Rac1
  39. Bd4+
  40. 20.Kh1
  41. Ne3
  42. 21.Bxe3
  43. Bxe3
  44. 22.Rce1
  45. Bd4
  46. 23.b3
  47. Kg7
  48. 24.Rf3
  49. Bf6
  50. 25.Ref1
  51. h5
  52. 26.Qf4
  53. g5
  54. 27.Qe3
  55. Qb6
  56. 28.Qxb6
  57. axb6
  58. 29.R3f2
  59. Bd4
  60. 30.Rc2
  61. Kf6
  62. 31.b4
  63. g4
  64. 32.Rb1
  65. Re5
  66. 33.a4
  67. Ra8
  68. 34.Ra2
  69. Kg5
  70. 35.Bf1
  71. Rg8
  72. 36.Be2
  73. h4
  74. 37.Bxg4
  75. h3
  76. 38.Bxh3
  77. Kh4
  78. 39.Bg2
  79. f6
  80. 40.Rf1
  81. Re7
  82. 41.Rf3
  83. Reg7
  84. 42.Re2
  85. Ra8
  86. 43.Ra2
  87. Rg4
  88. 44.Rh3+
  89. Kg5
  90. 45.Rh7
  91. Kf4
  92. 46.Rxb7
  93. Rh8
  94. 47.Re2
  95. Rh3
  96. 48.e5
  97. Rxd3
  98. 49.Re4+
  99. Kxf5
  100. 50.Rxg4
  101. Rd1+
  102. 51.Bf1
  103. Rxf1+
  104. 52.Kg2
  105. Rg1+
  106. 53.Kf3
  107. Rxg4
  108. 54.exd6
  109. Rf4+
  110. 55.Ke2
  111. Ke6
  112. 56.d7
    1. 解決策:56.d7
      1. 脅威を与える:
      2. 57.d8=Q
    3. Ke7 Black is winning. White's passed pawn(s) is not enough compensation for Black's material advantage and better king safety.
      1. この手は...56...Re4+ のために
      2. 57.Kd3
      3. Re3+
      4. 58.Kxd4
      1. この手は...56...Rf2+ のために
      2. 57.Kd3
      3. Ke7
      4. 58.Kxd4
    5. さて、もし57.d8=Q+
    6. Kxd8
  114. 56...Ke7
  115. 57.Rc7
  116. Kd8
  117. 58.Rxc6
  118. Kxd7
  119. 59.b5
  120. Bg1
  121. 60.h3
  122. f5
  123. 61.a5
  124. bxa5
  125. 62.Ra6
  126. Rxc4
  127. 63.Rxa5
  128. Rb4
  129. 64.b6
  130. Ke6
0-1
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