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問題 436772: 黒 が 守って勝つとするために

IM Vladimir Demin (2430) - FM Luis Enrique Valle Maytin (2284)
Titled Tuesday 16th Nov chess.com INT (2), 2021.11.16
  2. 1.e4
  3. c6
  4. 2.d4
  5. d5
  6. 3.e5
  7. Bf5
  8. 4.Ne2
  9. e6
  10. 5.Ng3
  11. Bg6
  12. 6.h4
  13. h5
  14. 7.Ke2
  15. Be7
  16. 8.Ke1
  17. Bxh4
  18. 9.Be2
  19. Bxg3
  20. 10.fxg3
  21. Nd7
  22. 11.Bxh5
  23. Ne7
  24. 12.Kf2
  25. Qb6
  26. 13.Nc3
  27. Rxh5
  28. 14.Rxh5
  29. Bxh5
  30. 15.Qxh5
  31. Qxd4+
  32. 16.Be3
  33. Qxe5
  34. 17.Qh8+
  35. Nf8
  36. 18.Rd1
  37. Neg6
  38. 19.Qh1
  39. Qf5+
  40. 20.Ke2
  41. Qxc2+
  42. 21.Rd2
    1. 解決策:21.Rd2
      1. 脅威を与える:
      2. 22.Rxc2
    3. Qf5
    4. さて、もし22.Rc2
    5. Qxc2+
  44. 21...Qf5
  45. 22.Kd1
  46. e5
  47. 23.Qe1
  48. Ne6
  49. 24.Bf2
  50. Kf8
  51. 25.Kc1
  52. Re8
  53. 26.Bxa7
  54. Ra8
  55. 27.Qf2
  56. Qxf2
  57. 28.Bxf2
  58. d4
  59. 29.Ne4
  60. Rxa2
  61. 30.Nd6
  62. b5
  63. 31.Kb1
  64. Ra8
  65. 32.b4
  66. Ne7
  67. 33.Kb2
  68. Nd5
  69. 34.Rd1
  70. Nxb4
  71. 35.Kb3
  72. Nd5
  73. 36.Nf5
  74. g6
  75. 37.Rh1
  76. Kg8
  77. 38.Nh6+
  78. Kg7
  79. 39.Ng4
  80. f6
  81. 40.Rc1
  82. c5
  83. 41.Be1
  84. c4+
  85. 42.Kb2
  86. c3+
  87. 43.Kb3
  88. Nc5+
  89. 44.Kc2
  90. Ra2+
  91. 45.Kb1
  92. Rb2+
  93. 46.Ka1
  94. Nb3#
0-1

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