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問題 550637: 白 が 引き分けとするために

Kirill Alekseenko (2696) - Sudhahar Rohith Krishna (2649)
Titled Tuesday intern op 21st April Chess.com INT (3), 2020.04.21
  2. 1.e4
  3. e5
  4. 2.Nf3
  5. Nc6
  6. 3.Bb5
  7. a6
  8. 4.Ba4
  9. Nf6
  10. 5.O-O
  11. Be7
  12. 6.Re1
  13. b5
  14. 7.Bb3
  15. d6
  16. 8.c3
  17. Na5
  18. 9.Bc2
  19. c5
  20. 10.d4
  21. Qc7
  22. 11.h3
  23. O-O
  24. 12.Nbd2
  25. Re8
  26. 13.Nf1
  27. Nc6
  28. 14.Be3
  29. Bf8
  30. 15.Ng3
  31. g6
  32. 16.Rc1
  33. Bb7
  34. 17.Qd2
  35. Rad8
  36. 18.Bb1
  37. Kh8
  38. 19.Bh6
  39. Ng8
  40. 20.Bxf8
  41. Rxf8
  42. 21.Nf1
  43. f6
  44. 22.Ne3
  45. Nge7
  46. 23.Rcd1
  47. c4
  48. 24.b3
  49. Na5
  50. 25.bxc4
  51. Nxc4
  52. 26.Nxc4
  53. bxc4
  54. 27.Bc2
  55. Bc6
  56. 28.Rb1
  57. Rb8
  58. 29.Qe2
  59. Bd7
  60. 30.Nd2
  61. Rfc8
  62. 31.Rxb8
  63. Qxb8
  64. 32.Rb1
  65. Qa7
  66. 33.dxe5
  67. dxe5
  68. 34.Nxc4
  69. Bb5
  70. 35.Bd3
  71. Qc5
  72. 36.Ne3
  73. Bxd3
  74. 37.Qxd3
  75. Qxc3
  76. 38.Qxa6
  77. Qc6
  78. 39.Qa7
  79. Rc7
  80. 40.Qb8+
  81. Kg7
  82. 41.Qb4
  83. Ra7
  84. 42.Rd1
  85. Kf7
  86. 43.Rd6
  87. Qb7
  88. 44.Qc4+
  89. Kg7
  90. 45.Qe6
  91. Ng8
  92. 46.Nd5
  93. Qf7
  94. 47.Qc8
  95. Ne7
  96. 48.Nxe7
  97. Qxe7
  98. 49.Qc6
  99. Rc7
  100. 50.Qd5
  101. Ra7
  102. 51.a4
  103. Qc7
  104. 52.Kh2
  105. Qc1
  106. 53.g3
  107. Qc2
  108. 54.Rd7+
  109. Kh6
  110. 55.Kg1
  111. Qxa4
  112. 56.Qd2+
  113. g5
  114. 57.Rd6
  115. Kg7
  116. 58.Qe3
  117. Qa1+
  118. 59.Kg2
  119. Qa5
  120. 60.Qf3
  121. Rf7
  122. 61.Qf5
  123. Qc7
  124. 62.Re6
  125. Qd8
  126. 63.h4
  127. h6
  128. 64.h5
  129. Qf8
  130. 65.Qg6+
  131. Kh8
  132. 66.Kh3
  133. Qg7
  134. 67.Qf5
  135. Qf8
  136. 68.Kg4
  137. Qg7
  138. 69.Qg6
  139. Qf8
  140. 70.Kf5
  141. Rg7
  142. 71.Qxh6+
  143. Kg8
  144. 72.Rxf6
  145. Qc8+
    1. 解決策:72...Qc8+
    2. 73.Re6
    3. g4
    4. 74.Qd2
    5. Rf7+
    6. 75.Kxe5
    7. Qc5+
    8. 76.Qd5
    9. Qc3+
    10. 77.Qd4
    11. Qa5+
    12. 78.Qd5
    13. Qc3+
    14. 79.Qd4
    15. Qc7+
    16. 80.Rd6
      1. 80.Qd6
      2. Qc3+
      3. 81.Kd5
        1. 81.Qd4 反復による引き分け
    18. 80...Qe7+
    19. 81.Kd5
      1. 81.Re6
      2. Qg5+
      3. 82.Kd6
      4. Qd8+
      5. 83.Ke5
      6. Qg5+
      7. 84.Kd6
      8. Qb5
      9. 85.Rg6+
    21. 81...Qb7+
    22. 82.Ke5
      1. 82.Ke6
      2. Qe7+
      3. 83.Kd5
      4. Qb7+
      5. 84.Ke5
        1. 84.Ke6
        2. Qc8+
        3. 85.Ke5
          1. 85.Kd5
          2. Qb7+ 反復による引き分け
        5. 85...Qe8+
        6. 86.Re6
          1. 86.Kd5
        8. 86...Qb5+
        9. 87.Qd5
        10. Qb2+
        11. 88.Qd4
          1. 88.Kd6
          2. Qa3+
          3. 89.Kc6
            1. 89.Ke5
            2. Qa1+
            3. 90.Qd4
              1. 90.Kd6
              2. Qa3+
              3. 91.Kc6
                1. 91.Ke5
                2. Qc3+ 反復による引き分け
              5. 91...Qa6+
              6. 92.Kc5
            5. 90...Qa5+
            6. 91.Qd5
            7. Qc3+ 反復による引き分け
          5. 89...Qa6+
          6. 90.Kc5
        13. 88...Qb5+
        14. 89.Qd5
      7. 84...Qb5+
      8. 85.Qd5
        1. 85.Ke6
        2. Qe8+
        3. 86.Kd5
      10. 85...Qb2+
      11. 86.Qd4
      12. Qb5+
      13. 87.Qd5
        1. 87.Ke6
        2. Qe8+
        3. 88.Kd5
      15. 87...Qb2+
      16. 88.Qd4
      17. Qb5+ 反復による引き分け
    24. 82...Qb5+
    25. 83.Qd5
      1. 83.Ke6
      2. Qe8+
      3. 84.Kd5
    27. 83...Qb2+
    28. 84.Qd4
    29. Qb5+
    30. 85.Qd5
      1. 85.Ke6
      2. Qe8+
      3. 86.Kd5
    32. 85...Qb2+
    33. 86.Qd4
    34. Qb5+ 反復による引き分け
  147. 73.Re6
  148. Qf8+
  149. 74.Kg4
  150. Qxf2
  151. 75.Re8+
  152. Kf7
  153. 76.Qe6#
1-0
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