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問題 864790: 黒 が get a winning advantageとするために

GM Peter Svidler (2683) - IM B. Csonka (2495)
Titled Tue 31st Jan Early chess.com INT (7), 2023.01.31
  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.d3
  13. b5
  14. 7.Bb3
  15. d6
  16. 8.a4
  17. Bd7
  18. 9.c3
  19. O-O
  20. 10.Bc2
  21. Re8
  22. 11.Nbd2
  23. Bf8
  24. 12.Re1
  25. g6
  26. 13.Nf1
  27. Bg7
  28. 14.h3
  29. b4
  30. 15.a5
  31. Rb8
  32. 16.d4
  33. bxc3
  34. 17.bxc3
  35. exd4
  36. 18.cxd4
  37. Nb4
  38. 19.Bb1
  39. d5
  40. 20.e5
  41. Ne4
  42. 21.Ng3
  43. Nc3
  44. 22.Qd2
  45. Nxb1
  46. 23.Rxb1
  47. c5
  48. 24.Bb2
  49. c4
  50. 25.Bc3
  51. Nd3
  52. 26.Rf1
  53. Qe7
  54. 27.Nh2
  55. Rb5
  56. 28.f4
  57. Reb8
  58. 29.Rbd1
  59. Bh6
  60. 30.Rf3
  61. Rb3
  62. 31.Ng4
    1. 解決策:31.Ng4
    2. Bxg4
    3. 32.hxg4
    4. Bxf4 Black is winning because of Black's piece activity, material advantage and better king safety.
      1. 32...Nxf4 Black is winning because of Black's piece activity, material advantage and better king safety.
  64. 31...Bxg4
  65. 32.hxg4
  66. Bxf4
  67. 33.Rxf4
  68. Nxf4
  69. 34.Qxf4
  70. Rxc3
  71. 35.e6
  72. Rf8
  73. 36.exf7+
  74. Qxf7
  75. 37.Qd6
  76. Qf2+
  77. 38.Kh2
  78. Qxg3+
  79. 39.Qxg3
  80. Rxg3
  81. 40.Kxg3
  82. Rc8
  83. 41.Kf4
  84. Re8
  85. 42.Rb1
  86. Re4+
  87. 43.Kf3
  88. Rxd4
  89. 44.Rb6
1-0
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