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問題 531399: 白 が 防御とするために

Vladislav Kovalev (2648) - Vugar Ural Oglu Rasulov (2478)
Titled Arena Mar 6th Lichess.org INT, 2021.03.06
  2. 1.e4
  3. e5
  4. 2.Nf3
  5. Nc6
  6. 3.Nc3
  7. Nf6
  8. 4.Bb5
  9. Bd6
  10. 5.O-O
  11. O-O
  12. 6.Re1
  13. a6
  14. 7.Bc4
  15. h6
  16. 8.a4
  17. Re8
  18. 9.d3
  19. Nd4
  20. 10.Nxd4
  21. exd4
  22. 11.Ne2
  23. Bb4
  24. 12.Bd2
  25. Bxd2
  26. 13.Qxd2
  27. c5
  28. 14.Nf4
  29. d6
  30. 15.Nd5
  31. Be6
  32. 16.Nxf6+
  33. Qxf6
  34. 17.Bxe6
  35. fxe6
  36. 18.a5
  37. e5
  38. 19.b4
  39. Qf7
  40. 20.bxc5
  41. dxc5
  42. 21.Rab1
  43. Rac8
  44. 22.c4
  45. dxc3
  46. 23.Qxc3
  47. c4
  48. 24.Rb6
  49. cxd3
  50. 25.Qxd3
  51. Re6
  52. 26.Rb4
  53. Rec6
  54. 27.g3
  55. Rc2
  56. 28.Re2
  57. Rc1+
  58. 29.Kg2
  59. R1c3
  60. 30.Qd5
  61. R8c7
  62. 31.Qxf7+
  63. Kxf7
  64. 32.Reb2
  65. R3c5
  66. 33.Rxb7
  67. Rxb7
  68. 34.Rxb7+
  69. Kg8
  70. 35.Kf3
  71. Rxa5
  72. 36.Kg4
  73. Ra2
  74. 37.f3
  75. Rxh2
  76. 38.Kf5
  77. Rh5+
  78. 39.Ke6
  79. Rg5
  80. 40.g4
  81. h5
  82. 41.gxh5
  83. Rxh5
  84. 42.Ra7
  85. Rh3
  86. 43.Kxe5
  87. Rxf3
  88. 44.Rxa6
  89. Kh7
  90. 45.Ra7
  91. Kh6
  92. 46.Kd6
  93. Rd3+
  94. 47.Ke6
  95. g5
  96. 48.e5
  97. g4
  98. 49.Ra4
  99. Kg5
  100. 50.Kf7
  101. Rf3+
  102. 51.Ke7
  103. g3
  104. 52.Ra1
  105. Kf5
  106. 53.e6
  107. g2
  108. 54.Rg1
  109. Rf2
  110. 55.Kf7
  111. Ke5+
  112. 56.Kg7
  113. Kxe6
  114. 57.Kg6
  115. Ke5
  116. 58.Kg5
  117. Ke4
  118. 59.Kg4
  119. Rf8
  120. 60.Kg3
  121. Ke3
  122. 61.Rxg2
  123. Rf7
  124. 62.Kh3
  125. Rh7+
  126. 63.Kg4
  127. Rg7+
  128. 64.Kh3
  129. Rf7
  130. 65.Rg4
  131. Kf3
  132. 66.Rh4
  133. Rg7
  134. 67.Kh2
  135. Rg2+
  136. 68.Kh3
  137. Rg1
    1. 解決策:68...Rg1
      1. 脅威を与える:
      2. 69...Rh1#
    3. 69.Kh2
    4. Rg2+
      1. さて、もし69...Rh1+
      2. 70.Kxh1
    6. 70.Kh3
      1. 70.Kh1
    8. 70...Rg1
      1. 70...Rg3+
      2. 71.Kh2
      3. Rg2+
      4. 72.Kh1
    10. 71.Kh2
    11. Rg2+
    12. 72.Kh3
      1. 72.Kh1
    14. 72...Rg3+
    15. 73.Kh2
    16. Rg2+ 反復による引き分け
  139. 69.Kh2
  140. Rg3
  141. 70.Kh1
  142. Kf2
  143. 71.Rh2+
  144. Kf1
  145. 72.Rh4
  146. Rg1+
  147. 73.Kh2
  148. Rg2+
  149. 74.Kh3
  150. Kg1
  151. 75.Rg4
  152. Kh1
  153. 76.Rxg2 stalemate
1/2-1/2
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