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問題 268704: 黒 が 勝ちとするために

GM Magnus Carlsen (2862) - GM Alireza Firouzja (2749)
Magnus-Alireza 27th Feb lichess.org INT (10), 2021.02.27
  2. 1.d4
  3. Nf6
  4. 2.Nf3
  5. g6
  6. 3.Bf4
  7. Bg7
  8. 4.Nc3
  9. O-O
  10. 5.e4
  11. d6
  12. 6.Qd2
  13. Bg4
  14. 7.O-O-O
  15. Nc6
  16. 8.Bh6
  17. Bxf3
  18. 9.gxf3
  19. e5
  20. 10.d5
  21. Nd4
  22. 11.Bxg7
  23. Kxg7
  24. 12.f4
  25. Nh5
  26. 13.fxe5
  27. dxe5
  28. 14.Qe3
  29. Qf6
  30. 15.Kb1
  31. c6
  32. 16.Ne2
  33. Nxe2
  34. 17.Bxe2
  35. Nf4
  36. 18.dxc6
  37. bxc6
  38. 19.Bc4
  39. Rfd8
  40. 20.Rxd8
  41. Rxd8
  42. 21.Qxa7
  43. Rd4
  44. 22.b3
  45. Rxe4
  46. 23.Rd1
  47. Nd5
  48. 24.Bxd5
  49. cxd5
  50. 25.Rxd5
  51. Re1+
  52. 26.Kb2
  53. Re2
  54. 27.a4
  55. Rxf2
  56. 28.Qe3
  57. e4+
  58. 29.Qc3
  59. e3
  60. 30.a5
  61. e2
  62. 31.Re5
  63. Kh6
  64. 32.Ka3
  65. Qd6+
  66. 33.b4
  67. g5
  68. 34.Re3
  69. f6
  70. 35.Ka4
  71. Qd7+
  72. 36.Kb3
  73. Qd5+
  74. 37.Qc4
    1. 解決策:37.Qc4
    2. Rf3 黒のルークが白のルークを白のキングにピンします。
    3. 38.Qxd5
      1. 38.Rxf3
      2. Qxf3+
      3. 39.Kb2
        1. 39.Ka2
        2. e1=Q
        1. 39.Ka4
        2. e1=Q
        1. 39.c3
        2. e1=Q
        1. 39.Qc3 Black is winning because of Black's passed pawn(s), better king safety and piece activity.
        1. 39.Qd3 Black is winning because of Black's passed pawn(s), better king safety and piece activity.
      5. 39...e1=Q
      1. 38.Rd3 Black is winning because of Black's passed pawn(s), piece activity and better king safety.
    5. 38...Rxe3+
    6. 39.Qd3
      1. 39.Ka2
      2. e1=Q
      1. 39.Ka4
      2. e1=Q
      1. 39.Kb2
      2. e1=Q
      1. 39.Kc4
      2. e1=Q
      1. 39.c3
      2. e1=Q
    8. 39...Rxd3+
      1. 39...e1=Q
      2. 40.Qxe3
      3. Qxe3+
      1. 39...e1=R
      2. 40.Ka4
        1. 40.Qxe3
        2. Rxe3+
        1. 40.Kc3
        2. Rxd3+
      4. 40...Rxd3
    10. 40.cxd3
    11. g4
      1. 40...e1=Q
    13. 41.Kc4
      1. 41.a6
      2. e1=Q
    15. 41...e1=Q
  76. 37...Qd1
  77. 38.Qc5
  78. e1=Q
  79. 39.Qf8+
  80. Kh5
  81. 40.Qf7+
  82. Kh6
  83. 41.Rh3+
1-0

This puzzle is part of the following Puzzle Academy skills:
  • Pin (5 moves)
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