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問題 511458: 黒 が 守って勝つとするために

WGM Deysi Cori T. (2391) - WFM Anastassia Sinitsina (2228)
Titled Tue 1st Mar Early chess.com INT (11), 2022.03.01
  2. 1.d4
  3. Nf6
  4. 2.Nf3
  5. g6
  6. 3.g3
  7. Bg7
  8. 4.Bg2
  9. O-O
  10. 5.O-O
  11. d6
  12. 6.b3
  13. Nbd7
  14. 7.Bb2
  15. c5
  16. 8.Nbd2
  17. Rb8
  18. 9.c4
  19. b6
  20. 10.e4
  21. cxd4
  22. 11.Re1
    1. 解決策:11.Re1
      1. 脅威を与える:
      2. 12.Nxd4
    3. e5 Black is winning because of Black's passed pawn(s) and material advantage.
    4. さて、もし12.Nxd4
    5. exd4
  24. 11...e5
  25. 12.Re2
  26. Bb7
  27. 13.Ne1
  28. a5
  29. 14.a3
  30. Qc7
  31. 15.b4
  32. axb4
  33. 16.axb4
  34. Ra8
  35. 17.Nd3
  36. Rxa1
  37. 18.Bxa1
  38. Ra8
  39. 19.Bb2
  40. h5
  41. 20.h3
  42. Bh6
  43. 21.f4
  44. h4
  45. 22.gxh4
  46. Nh5
  47. 23.f5
  48. Be3+
  49. 24.Kh2
  50. Qd8
  51. 25.Qe1
  52. Ra2
  53. 26.Nf1
  54. Bf4+
  55. 27.Kg1
  56. Ba6
  57. 28.b5
  58. Bb7
  59. 29.Nb4
  60. Nc5
  61. 30.Nxa2
  62. Qa8
  63. 31.Nb4
  64. d3
  65. 32.Rf2
  66. Bxe4
  67. 33.Nc6
  68. Bxg2
  69. 34.Rxg2
  70. Kh7
  71. 35.fxg6+
  72. fxg6
  73. 36.Bc1
  74. Qa1
  75. 37.Bd2
  76. Qxe1
  77. 38.Bxe1
  78. e4
  79. 39.Bd2
  80. Nb3
  81. 40.Bxf4
  82. Nxf4
  83. 41.Rb2
  84. Nc5
  85. 42.Kf2
  86. Nxh3+
  87. 43.Ke3
  88. Ng1
  89. 44.Nd4
  90. Kh6
  91. 45.Rg2
1-0
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