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問題 988446: 黒 が 守って勝つとするために

IM L. Lorenzo de la Riva (2419) - FM Tal Levitan (2284)
Titled Tue 18th Jun Early chess.com INT (3), 2024.06.18
  2. 1.e4
  3. e5
  4. 2.Nf3
  5. Nc6
  6. 3.Bc4
  7. Bc5
  8. 4.O-O
  9. Nf6
  10. 5.d4
  11. Bxd4
  12. 6.Nxd4
  13. Nxd4
  14. 7.Bg5
  15. d6
  16. 8.f4
  17. Bg4
  18. 9.Bxf6
  19. Bxd1
  20. 10.Bxd8
  21. Rxd8
  22. 11.c3
  23. Nc2
  24. 12.Rxd1
  25. exf4
  26. 13.Nd2
  27. Nxa1
  28. 14.Rxa1
  29. Ke7
  30. 15.Rf1
  31. g5
  32. 16.g3
  33. Rhg8
  34. 17.Kh1
  35. Rg6
  36. 18.gxf4
  37. gxf4
  38. 19.Rxf4
  39. Rf6
  40. 20.Rh4
  41. h6
  42. 21.h3
  43. Rg8
  44. 22.Nf1
  45. Rf2
  46. 23.Ne3
  47. Rxb2
  48. 24.Nd5+
  49. Kd8
  50. 25.Rxh6
  51. Rbg2
  52. 26.Nf4
  53. Rf2
  54. 27.Rf6
  55. Rc2
  56. 28.Bxf7
  57. Rc1+
  58. 29.Kh2
  59. Rc2+
  60. 30.Kh1
  61. Rg3
  62. 31.Rg6
  63. Rc1+
  64. 32.Kh2
  65. Rxg6
  66. 33.Bxg6
  67. Rxc3
  68. 34.h4
  69. Rf3
  70. 35.Nd5
  71. c6
  72. 36.Bh5
  73. Rf2+
  74. 37.Kg3
  75. Rxa2
  76. 38.Ne3
  77. Ke7
  78. 39.Kf4
  79. a5
  80. 40.Bd1
  81. b5
  82. 41.h5
  83. Rh2
  84. 42.Kg5
  85. a4
  86. 43.Nf5+
  87. Ke6
  88. 44.Nd4+
  89. Ke5
  90. 45.Nxc6+
  91. Kxe4
  92. 46.Nb4
  93. Kd4
  94. 47.h6
  95. Kc4
  96. 48.Bh5
  97. Rg2+
  98. 49.Kf6
  99. Rf2+
  100. 50.Kg7
  101. Rg2+
  102. 51.Bg6
    1. 解決策:51.Bg6
      1. 脅威を与える:
      2. 52.Nc2
      3. Rh2
      4. 53.h7
      5. b4
      6. 54.Ne3+
      7. Kc5
      8. 55.Bf7
      9. b3
      10. 56.h8=R
    3. Kxb4
    4. 52.h7
    5. Rh2
    6. 53.h8=Q
    7. Rxh8 Black is winning. White's material advantage is not enough compensation for Black's passed pawn(s), better king safety and piece activity.
  104. 51...Rh2
  105. 52.Nc2
  106. b4
  107. 53.Ne3+
  108. Kb3
  109. 54.Bf7+
  110. Kb2
  111. 55.Nc4+
  112. Kc1
  113. 56.Nxd6
  114. b3
  115. 57.Nc4
  116. b2
  117. 58.Nxb2
  118. Kxb2
  119. 59.h7
  120. a3
  121. 60.h8=Q
  122. Rxh8
  123. 61.Kxh8
  124. a2
  125. 62.Bxa2
1/2-1/2
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