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問題 994609: 白 が 終盤を勝つとするために

GM K2 Grigoryan (2621) - GM Jose Rafael Gascon Del Nogal (2475)
8th Lorca Open 2019 Lorca ESP, 2019.12.29
  2. 1.e4
  3. e5
  4. 2.Nf3
  5. Nc6
  6. 3.Bb5
  7. a6
  8. 4.Ba4
  9. d6
  10. 5.c4
  11. Bg4
  12. 6.h3
  13. Bxf3
  14. 7.Qxf3
  15. Nf6
  16. 8.Nc3
  17. Be7
  18. 9.Ne2
  19. O-O
  20. 10.O-O
  21. Nd7
  22. 11.Bxc6
  23. bxc6
  24. 12.d4
  25. Bf6
  26. 13.d5
  27. c5
  28. 14.Bd2
  29. g6
  30. 15.Ba5
  31. Bg7
  32. 16.b4
  33. f5
  34. 17.Nc3
  35. Ra7
  36. 18.bxc5
  37. Nxc5
  38. 19.Bb4
  39. Nxe4
  40. 20.Nxe4
  41. fxe4
  42. 21.Qxe4
  43. Rf4
  44. 22.Qe2
  45. Rb7
  46. 23.a3
  47. Qd7
  48. 24.Rac1
  49. Bf8
  50. 25.Rfd1
  51. Rb8
  52. 26.c5
  53. Qb5
  54. 27.Qe1
  55. dxc5
  56. 28.Bd2
  57. Rd4
  58. 29.Bc3
  59. Rxd1
  60. 30.Rxd1
  61. Bd6
  62. 31.f4
  63. e4
  64. 32.Qxe4
  65. Re8
  66. 33.Be5
  67. Qb3
  68. 34.Rd3
  69. Qb1+
  70. 35.Kh2
  71. Qc2
  72. 36.Qe3
  73. c4
  74. 37.Rc3
  75. Qf5
  76. 38.Rxc4
  77. Bxe5
  78. 39.fxe5
  79. Qxe5+
  80. 40.Qxe5
  81. Rxe5
  82. 41.Rc5
  83. g5
  84. 42.Kg3
  85. h5
  86. 43.Kf3
  87. Kf8
  88. 44.g4
  89. h4
  90. 45.Ra5
  91. c6
  92. 46.Rxa6
  93. cxd5
  94. 47.Ra5
  95. Ke7
  96. 48.a4
  97. Ke6
  98. 49.Ra8
  99. Kf7
  100. 50.a5
  101. d4
  102. 51.a6
  103. Re3+
  104. 52.Kf2
  105. Ra3
  106. 53.a7
  107. Kg7
  108. 54.Ke2
  109. d3+
  110. 55.Ke3
  111. Kh7
  112. 56.Ke4
  113. d2
  114. 57.Rd8
  115. Rxa7
  116. 58.Kf5
  117. Ra3
  118. 59.Rd7+
  119. Kg8
  120. 60.Kg6
  121. Kf8
  122. 61.Rd8+
  123. Ke7
  124. 62.Rxd2
  125. Rxh3
  126. 63.Kxg5
  127. Rh1
  128. 64.Kh6
  129. Kf7
  130. 65.g5
  131. Rg1
  132. 66.Rd7+
  133. Ke8
  134. 67.Rd4
  135. h3
  136. 68.Rh4
  137. Rg3
  138. 69.g6
  139. Kf8
  140. 70.Kh7
  141. Ke7
    1. 解決策:70...Ke7
    2. 71.g7
    3. Kf7
      1. 71...Kf6
      2. 72.g8=Q
      3. Rxg8
      4. 73.Kxg8
    5. 72.g8=Q+
      1. 72.g8=R
      2. Rxg8
      1. 72.Rf4+
      2. Ke6 with a winning endgame, for example:
        1. 72...Ke7 with a winning endgame, for example:
        2. 73.g8=Q
        1. 72...Ke8 with a winning endgame, for example:
        2. 73.g8=R+
      4. 73.Rf1
      5. Ke5
      6. 74.g8=Q
    7. 72...Rxg8
    8. 73.Rf4+ 白のルークが、黒のルークを守っている黒のキングを攻撃します。
    9. Ke7
      1. 73...Ke6
      2. 74.Kxg8
      3. h2
      4. 75.Rh4
      1. 73...Ke8
      2. 74.Kxg8
      3. Ke7 with a winning endgame, for example:
      4. 75.Rh4
      5. Ke6
      6. 76.Rxh3
    11. 74.Kxg8
    12. Ke6 with a winning endgame, for example:
      1. 74...h2 with a winning endgame, for example:
      2. 75.Rh4
      3. Ke6
      4. 76.Rxh2
      1. 74...Kd6 with a winning endgame, for example:
      2. 75.Rh4
      3. h2
      4. 76.Rxh2
    14. 75.Rh4
    15. h2
    16. 76.Rxh2
  143. 71.g7
1-0
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