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Oppgave 990715: Sort å vinn

GM Sergei Zhigalko (2572) - GM Rustam Khusnutdinov (2484)
Titled Tuesday 12th Oct chess.com INT (7), 2021.10.12
  2. 1.e4
  3. e5
  4. 2.Sf3
  5. Sf6
  6. 3.d4
  7. Sxe4
  8. 4.Ld3
  9. d5
  10. 5.Sxe5
  11. Sd7
  12. 6.Sxd7
  13. Lxd7
  14. 7.O-O
  15. Ld6
  16. 8.Sc3
  17. Sxc3
  18. 9.bxc3
  19. O-O
  20. 10.Dh5
  21. f5
  22. 11.Te1
  23. Df6
  24. 12.Df3
  25. c6
  26. 13.Lf4
  27. Tae8
  28. 14.h4
  29. Te7
  30. 15.Lg5
  31. Txe1+
  32. 16.Txe1
  33. Df7
  34. 17.Lf4
  35. Df6
  36. 18.Dg3
  37. Lxf4
  38. 19.Dxf4
  39. Df7
  40. 20.Te5
  41. Te8
  42. 21.Txe8+
  43. Dxe8
  44. 22.Lxf5
  45. Lxf5
  46. 23.Dxf5
  47. De1+
  48. 24.Kh2
  49. Dxc3
  50. 25.Dc8+
  51. Kf7
  52. 26.Dxb7+
  53. Kf6
  54. 27.Dxa7
  55. Dxc2
  56. 28.Da3
  57. Ke6
  58. 29.De3+
  59. Kd7
  60. 30.a3
  61. g6
  62. 31.Df4
  63. h5
  64. 32.f3
  65. Kc8
  66. 33.Dd6
  67. Kb7
  68. 34.De7+
  69. Ka6
  70. 35.Db4
  71. Dc4
  72. 36.Kg3
  73. Dxb4
  74. 37.axb4
  75. Kb5
  76. 38.Kf4
  77. Kxb4
  78. 39.g4
  79. c5
  80. 40.gxh5
  81. gxh5
  82. 41.dxc5
  83. Kxc5
  84. 42.Ke5
    1. Løsning:42.Ke5
    2. d4
    3. 43.Ke4
      1. 43.Kf4 with a winning endgame, for example:
      2. Kc4
      3. 44.Ke4
      4. Kc3
      5. 45.Kf4
      6. d3
      7. 46.Ke3
      8. d2
      9. 47.Ke2
      10. Kc2
      11. 48.Ke3
      12. d1=Q
    5. 43...Kc4
    6. 44.f4
      1. 44.Kf4 with a winning endgame, for example:
      2. d3
      3. 45.Ke3
      4. Kc3
      5. 46.f4
      6. d2
      7. 47.Ke2
      8. Kc2
      9. 48.Ke3
      10. d1=Q
    8. 44...d3
    9. 45.Ke3
      1. 45.Kf3 with a winning endgame, for example:
      2. Kc3
      3. 46.Ke3
      4. d2
      5. 47.Ke2
      6. Kc2
      7. 48.Ke3
      8. d1=Q
      1. 45.f5
      2. d2
      3. 46.Kf4 with a winning endgame, for example:
      4. Kd4
      5. 47.Kg5
      6. Ke5
      7. 48.f6
      8. d1=Q
    11. 45...Kc3
    12. 46.f5
      1. 46.Kf2 with a winning endgame, for example:
      2. d2
      3. 47.Ke2
      4. Kc2
      5. 48.Ke3
      6. d1=Q
      1. 46.Ke4
      2. d2
      3. 47.f5 with a winning endgame, for example:
      4. d1=Q
      1. 46.Kf3 with a winning endgame, for example:
      2. d2
      3. 47.Ke2
      4. Kc2
      5. 48.Ke3
      6. d1=Q
    14. 46...d2
    15. 47.Ke2
      1. 47.f6
      2. d1=Q
    17. 47...Kc2
    18. 48.Ke3
      1. 48.Kf3 with a winning endgame, for example:
      2. d1=Q+
    20. 48...d1=Q
      1. 48...Kc1
      2. 49.f6
        1. 49.Ke4 with a winning endgame, for example:
        2. d1=Q
        1. 49.Kd4 with a winning endgame, for example:
        2. d1=Q+
      4. 49...d1=Q
        1. 49...d1=R
        2. 50.Kf4
        3. Tg1
          1. 50...Td8
          2. 51.Kg5
          3. Th8
          4. 52.Kg6
            1. 52.f7
            2. Kd2
            3. 53.Kg6
            4. Ke3
          6. 52...Kd2
          7. 53.f7
          8. Ke3
      1. 48...Kc3
      2. 49.Ke2
      1. 48...d1=R
  86. 42...d4
  87. 43.Ke4
  88. Kc4
  89. 44.f4
  90. d3
  91. 45.f5
  92. d2
  93. 46.f6
  94. d1=Q
  95. 47.f7
  96. Dd6
0-1
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