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問題 271496: 白 が 守って勝つとするために

CM Nelson Munoz (1704) - CM G. Gratz (2164)
Titled Arena Mar 6th 2021 lichess.org INT, 2021.03.06
  2. 1.d4
  3. Nf6
  4. 2.c4
  5. e6
  6. 3.Nc3
  7. Bb4
  8. 4.e3
  9. c5
  10. 5.Qc2
  11. Bxc3+
  12. 6.Qxc3
  13. Ne4
  14. 7.Qc2
  15. f5
  16. 8.Nf3
  17. Nc6
  18. 9.Bd3
  19. Qa5+
  20. 10.Bd2
  21. Nxd2
  22. 11.Qxd2
  23. Qxd2+
  24. 12.Kxd2
  25. cxd4
  26. 13.exd4
  27. b6
  28. 14.a3
  29. Ba6
  30. 15.b4
  31. Ne7
  32. 16.Ne5
  33. Rc8
  34. 17.Rac1
  35. d6
  36. 18.Nf3
  37. h6
  38. 19.Rhe1
  39. Kd7
  40. 20.c5
  41. Bxd3
  42. 21.Kxd3
  43. Nd5
  44. 22.g3
  45. bxc5
  46. 23.dxc5
  47. dxc5
  48. 24.bxc5
  49. Rb8
  50. 25.Ne5+
  51. Kc7
  52. 26.Rb1
  53. Rxb1
  54. 27.Rxb1
  55. Rb8
  56. 28.Rxb8
  57. Kxb8
  58. 29.Kd4
  59. Kc7
  60. 30.Nc4
  61. Kc6
  62. 31.Ne5+
  63. Kb5
  64. 32.Nd7
  65. Ka4
  66. 33.Nf8
  67. Nc7
  68. 34.Ke5
  69. Kxa3
  70. 35.Nxe6
  71. Nb5
  72. 36.c6
  73. a5
  74. 37.c7
  75. Na7
  76. 38.Nxg7
  77. Kb4
  78. 39.Nxf5
  79. a4
  80. 40.Ne3
  81. Kc3
  82. 41.Nd1+
  83. Kc2
  84. 42.Ne3+
  85. Kc3
  86. 43.Nd5+
  87. Kb3
    1. 解決策:43...Kb3
      1. 脅威を与える:
      2. 44...a3
      3. 45.Ke4
      4. a2
      5. 46.Ne3
      6. a1=Q
    3. 44.Kd4
    4. a3
    5. 45.Nc3
  89. 44.f4
  90. a3
  91. 45.f5
  92. a2
  93. 46.Ke6
  94. a1=Q
  95. 47.f6
  96. Kc4
  97. 48.f7
  98. Qe1+
  99. 49.Kd7
  100. Qf2
  101. 50.Ne7
  102. Qxf7
  103. 51.c8=Q+
1-0
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