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問題 953267: 黒 が 引き分けとするために

Yu Yangyi (2709) - Lu Shanglei (2615)
ch-CHN 2021 Xinghua CHN (3), 2021.05.09
  2. 1.d4
  3. Nf6
  4. 2.c4
  5. e6
  6. 3.Nc3
  7. Bb4
  8. 4.e3
  9. O-O
  10. 5.a3
  11. Bxc3+
  12. 6.bxc3
  13. b6
  14. 7.Bd3
  15. c5
  16. 8.e4
  17. d5
  18. 9.cxd5
  19. exd5
  20. 10.e5
  21. Ne4
  22. 11.Ne2
  23. Bg4
  24. 12.Bb2
  25. f5
  26. 13.O-O
  27. Bxe2
  28. 14.Qxe2
  29. Nc6
  30. 15.Rad1
  31. cxd4
  32. 16.cxd4
  33. Ng5
  34. 17.Rc1
  35. Na5
  36. 18.Bc3
  37. Ne6
  38. 19.Qd1
  39. Qd7
  40. 20.Bxa5
  41. bxa5
  42. 21.Bc2
  43. Rac8
  44. 22.Ba4
  45. Qb7
  46. 23.Qd2
  47. Rxc1
  48. 24.Rxc1
  49. Rc8
  50. 25.Rxc8+
  51. Qxc8
  52. 26.Bb3
  53. Qb7
  54. 27.Ba2
  55. Qb6
  56. 28.g3
  57. Nxd4
  58. 29.Bxd5+
  59. Kf8
  60. 30.Qg5
  61. Qc7
  62. 31.Qh4
  63. Ne2+
  64. 32.Kg2
  65. Nc3
  66. 33.Qd4
  67. Nxd5
  68. 34.Qxd5
  69. Ke7
  70. 35.a4
  71. h6
  72. 36.Kh3
  73. g5
  74. 37.f3
  75. a6
  76. 38.Qg8
  77. Qxe5
  78. 39.Qh7+
  79. Kd6
  80. 40.Qxh6+
  81. Kc5
  82. 41.Qxg5
  83. Kb4
  84. 42.g4
  85. fxg4+
  86. 43.Qxg4+
  87. Kb3
  88. 44.Qh4
  89. Qe3
  90. 45.Qg4
  91. Qe5
  92. 46.f4
  93. Qh8+
  94. 47.Kg3
  95. Kxa4
  96. 48.f5+
  97. Kb5
  98. 49.Qe2+
  99. Kc5
  100. 50.Qe7+
  101. Kd5
  102. 51.Qe6+
  103. Kd4
  104. 52.f6
  105. Qh6
  106. 53.Qf5
  107. Qf8
  108. 54.Qd7+
  109. Kc4
  110. 55.f7
  111. Kc5
  112. 56.h4
  113. a4
  114. 57.h5
  115. a3
  116. 58.Qf5+
  117. Kb4
  118. 59.Qf4+
  119. Kb3
  120. 60.Qf3+
  121. Kc4
  122. 61.h6
  123. a2
  124. 62.Qf4+
  125. Kd5
  126. 63.Qd2+
  127. Ke6
  128. 64.Qxa2+
  129. Kf6
  130. 65.Qxa6+
  131. Kxf7
  132. 66.Qf1+
  133. Ke7
  134. 67.Qe2+
  135. Kf7
  136. 68.Qf3+
    1. 解決策:68.Qf3+
    2. Ke8
    3. 69.Qe4+
      1. 69.Qe3+
      2. Kf7
      3. 70.Qf4+ 反復による引き分け
      1. 69.Qa8+
      2. Ke7
      3. 70.Qb7+
      4. Ke6
      5. 71.Qb3+
      6. Ke7
      7. 72.Qb4+
      8. Ke8
      9. 73.Qb5+
      10. Kf7
      11. 74.Qf1+
      12. Ke7
      13. 75.Qe1+
      14. Kf7
      15. 76.Qf1+
      16. Ke7
      17. 77.Qe1+
      18. Kf7
      19. 78.Qf1+ 反復による引き分け
    5. 69...Kf7
    6. 70.Qf3+
      1. 70.Qh7+
      2. Kf6
      3. 71.Kg4 with a drawn endgame, for example:
      4. Qb4+
      5. 72.Kf3
      6. Qc3+
      7. 73.Ke2
      8. Qb2+
      9. 74.Ke3
      10. Qb6+
      11. 75.Kf3
      12. Qb3+
      13. 76.Kf4
      14. Qb8+
      15. 77.Kf3
      16. Qa8+
      17. 78.Qe4
      18. Qxe4+
      19. 79.Kxe4
      20. Kg6
      21. 80.Ke5
      22. Kxh6
    8. 70...Ke8
    9. 71.Qe3+
      1. 71.Qa8+
      2. Ke7
      3. 72.Qb7+
      4. Ke6
      5. 73.Qb3+
      6. Ke7
      7. 74.Qb4+
      8. Ke8
      9. 75.Qb5+
      10. Kf7
      11. 76.Qf1+
      12. Ke7
      13. 77.Qe1+
      14. Kf7
      15. 78.Qf1+
      16. Ke7
      17. 79.Qe1+
      18. Kf7
      19. 80.Qf1+ 反復による引き分け
    11. 71...Kf7
    12. 72.Qf4+
    13. Ke8
    14. 73.Qe4+
      1. 73.Qb8+
      2. Kf7
      3. 74.Qf4+ 反復による引き分け
      1. 73.Qa4+
      2. Kf7
      3. 74.Qf4+ 反復による引き分け
      1. 73.Qg5 with a drawn endgame, for example:
      2. Qf7
      3. 74.Qb5+
      4. Kf8
      5. 75.Qb8+
      6. Ke7
      7. 76.Qb6
      8. Qf6
      9. 77.Qb7+
      10. Kf8
      11. 78.Qb8+
      12. Kf7
      13. 79.Qf4
      14. Qxf4+
      15. 80.Kxf4
      16. Kg6
      17. 81.h7
      18. Kxh7
      1. 73.Kg4 with a drawn endgame, for example:
      2. Qxf4+
      3. 74.Kxf4
      4. Kf8
      5. 75.Kf5
      6. Kg8
      7. 76.Kg4
      8. Kh7
      9. 77.Kh5
      10. Kg8
      11. 78.Kg5
      12. Kh8
      13. 79.Kg6
      14. Kg8
      15. 80.h7+
      16. Kh8
      17. 81.Kh6 stalemate
    16. 73...Kf7
    17. 74.Qf4+
      1. 74.Qh7+
      2. Kf6
      3. 75.Kg4 with a drawn endgame, for example:
      4. Qb4+
      5. 76.Kf3
      6. Qc3+
      7. 77.Ke2
      8. Qb2+
      9. 78.Ke3
      10. Qb6+
      11. 79.Kf3
      12. Qb3+
      13. 80.Kf4
      14. Qb8+
      15. 81.Kf3
      16. Qa8+
      17. 82.Qe4
      18. Qxe4+
      19. 83.Kxe4
      20. Kg6
      21. 84.Ke5
      22. Kxh6
    19. 74...Ke8
    20. 75.Qb8+
      1. 75.Qa4+
      2. Kf7
      3. 76.Qf4+ 反復による引き分け
      1. 75.Qg5 with a drawn endgame, for example:
      2. Qf7
      3. 76.Qb5+
      4. Kf8
      5. 77.Qb8+
      6. Ke7
      7. 78.Qb6
      8. Qf6
      9. 79.Qb7+
      10. Kf8
      11. 80.Qb8+
      12. Kf7
      13. 81.Qf4
      14. Qxf4+
      15. 82.Kxf4
      16. Kg6
      17. 83.h7
      18. Kxh7
      1. 75.Kg4 with a drawn endgame, for example:
      2. Qxf4+
      3. 76.Kxf4
      4. Kf8
      5. 77.Kf5
      6. Kg8
      7. 78.Kg4
      8. Kh7
      9. 79.Kh5
      10. Kg8
      11. 80.Kg5
      12. Kh8
      13. 81.Kg6
      14. Kg8
      15. 82.h7+
      16. Kh8
      17. 83.Kh6 stalemate
    22. 75...Kf7
    23. 76.Qf4+ 反復による引き分け
  138. 68...Ke7
  139. 69.Qe4+
  140. Kf6
  141. 70.Qf4+
  142. Ke7
  143. 71.Qe5+
  144. Kf7
  145. 72.Qf5+
  146. Ke7
  147. 73.Qc5+
  148. Kf7
  149. 74.Qf2+
  150. Ke8
  151. 75.Qe3+
  152. Kf7
  153. 76.Qf4+
  154. Ke8
  155. 77.Qg5
  156. Qd6+
  157. 78.Kg4
  158. Qd1+
1/2-1/2
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