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問題 100817: 白 が 勝ちとするために

Kerem Erdal (1691) - E. Ersoy (1499)
Turkish Cup 2020 Antalya TUR, 2020.01.27
  2. 1.e4
  3. e6
  4. 2.d4
  5. d5
  6. 3.exd5
  7. exd5
  8. 4.Nf3
  9. Bd6
  10. 5.c4
  11. c6
  12. 6.Nc3
  13. Ne7
  14. 7.cxd5
  15. cxd5
  16. 8.Bd3
  17. Nbc6
  18. 9.O-O
  19. h6
  20. 10.h3
  21. O-O
  22. 11.Be3
  23. a6
  24. 12.Qd2
  25. Bc7
  26. 13.Bf4
  27. Bb6
  28. 14.Bc2
  29. Nf5
  30. 15.Ne2
  31. Qf6
  32. 16.Be5
  33. Nxe5
  34. 17.dxe5
  35. Qc6
  36. 18.Bxf5
  37. Bxf5
  38. 19.Ned4
  39. Bxd4
  40. 20.Nxd4
  41. Qd7
  42. 21.Nxf5
  43. Qxf5
  44. 22.Qxd5
  45. Rfd8
  46. 23.Qxb7
  47. Qxe5
  48. 24.Rfe1
  49. Qf6
  50. 25.Re2
  51. Rab8
  52. 26.Qf3
  53. Qxf3
  54. 27.gxf3
  55. Rd3
  56. 28.Rc1
  57. Rb6
  58. 29.Rc3
  59. Rd1+
  60. 30.Kh2
  61. Rg6
  62. 31.f4
  63. Rgg1
  64. 32.Rg3
  65. Rh1+
  66. 33.Kg2
  67. Rdg1+
  68. 34.Kf3
  69. Rd1
  70. 35.Re8+
  71. Kh7
  72. 36.Rf8
  73. Rd7
  74. 37.Ra8
  75. Rd6
  76. 38.Ra7
  77. Rf6
  78. 39.Ke3
  79. Re1+
  80. 40.Kd2
  81. Re4
  82. 41.Rf3
  83. Rexf4
  84. 42.Rxf4
  85. Rxf4
  86. 43.Ke3
  87. Rf6
  88. 44.Rd7
  89. Kg6
  90. 45.Rd5
  91. Rb6
  92. 46.b3
  93. Kf6
  94. 47.Kd4
  95. Ke6
  96. 48.Re5+
  97. Kd6
  98. 49.Re8
  99. Rb4+
  100. 50.Kd3
  101. Rh4
  102. 51.Ra8
  103. Rxh3+
  104. 52.Ke2
  105. g5
  106. 53.Rxa6+
  107. Kc5
  108. 54.Rf6
  109. g4
  110. 55.Rxf7
  111. h5
  112. 56.Kf1
  113. Rh1+
  114. 57.Kg2
  115. Ra1
  116. 58.Ra7
  117. Kd4
  118. 59.b4
  119. Kc4
  120. 60.a3
  121. Ra2
  122. 61.Rc7+
  123. Kb3
  124. 62.Re7
  125. Rc2
  126. 63.b5
  127. Kxa3
  128. 64.b6
  129. Rb2
  130. 65.b7
  131. h4
  132. 66.Re3+
  133. Ka2
    1. 解決策:66...Ka2
    2. 67.Re2 白のルークが黒のルークをディフレクションでマス b8から引き離します。
    3. h3+
      1. 67...Rxe2
      2. 68.b8=Q
    5. 68.Kf1
      1. 68.Kg1
      2. h2+
        1. 68...Rxe2
        2. 69.b8=Q
        3. Re1+
        4. 70.Kh2
        1. 68...Ka3
        2. 69.Rxb2
      4. 69.Kxh2
      5. g3+
        1. 69...Rxe2
        2. 70.b8=Q
        1. 69...Ka3
        2. 70.Rxb2
      7. 70.Kxg3
        1. 70.Kg1
        2. Rxe2
          1. 70...g2 White is winning.
        4. 71.b8=Q
        5. gxf2+
        6. 72.Kg2
          1. 72.Kf1
        1. 70.Kg2
        2. Rxe2
          1. 70...Ka1 White is winning.
          1. 70...Ka3 White is winning.
        4. 71.b8=Q
        1. 70.Kh1
        2. g2+
          1. 70...Rxe2
          2. 71.b8=Q
        4. 71.Kh2
          1. 71.Kg1
          2. Rxe2
            1. 71...Ka3 White is winning.
          4. 72.b8=Q
            1. 72.b8=R
          1. 71.Kxg2
          2. Rxe2
          3. 72.b8=Q
            1. 72.b8=R
        6. 71...Rxe2
          1. 71...Ka1 White is winning.
          1. 71...Ka3 White is winning.
        8. 72.b8=Q
        1. 70.Kh3
        2. Rxe2
          1. 70...g2
          2. 71.Rxb2+
        4. 71.b8=Q
      9. 70...Rxe2
      10. 71.b8=Q
        1. 71.b8=R
      1. 68.Kg3
      2. Rxe2
        1. 68...h2
        2. 69.Rxb2+
        1. 68...Ka3
        2. 69.Rxb2
      4. 69.b8=Q
      1. 68.Kh1
      2. Rxe2
        1. 68...Ka1
        2. 69.Rxb2
        1. 68...Ka3
        2. 69.Rxb2
      4. 69.b8=Q
      5. Rxf2
        1. 69...Re1+
        2. 70.Kh2
      7. 70.Qa7+ 白のクイーンが黒のキング と ルークを両取りします。
      8. Kb1
      9. 71.Qxf2
    7. 68...h2
      1. 68...Ka3
      2. 69.Rxb2
    9. 69.Rxb2+
  135. 67.Re4
  136. g3
  137. 68.Rxh4
  138. gxf2
  139. 69.b8=Q
  140. Rxb8
  141. 70.Kxf2
1/2-1/2
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