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Puzzle 991994: Zwart naar winst in het eindspel

WIM Meruert Kamalidenova (2373) - GM Dm Kokarev (2588)
Lozovatsky Mem A 2023 Chelyabinsk RUS, 2023.01.28
  2. 1.e4
  3. c5
  4. 2.Nf3
  5. d6
  6. 3.d4
  7. Nf6
  8. 4.Nc3
  9. cxd4
  10. 5.Nxd4
  11. a6
  12. 6.Be3
  13. e5
  14. 7.Nb3
  15. Be6
  16. 8.f3
  17. h5
  18. 9.Qd2
  19. Nbd7
  20. 10.Nd5
  21. Bxd5
  22. 11.exd5
  23. g6
  24. 12.O-O-O
  25. Nb6
  26. 13.Kb1
  27. Nfxd5
  28. 14.Bg5
  29. Be7
  30. 15.Bxe7
  31. Qxe7
  32. 16.Qa5
  33. Ne3
  34. 17.Qxb6
  35. Nxd1
  36. 18.Bc4
  37. Rc8
  38. 19.Bd5
  39. Nxb2
  40. 20.Kxb2
  41. Qc7
  42. 21.Qxc7
  43. Rxc7
  44. 22.a4
  45. Ke7
  46. 23.a5
  47. Rb8
  48. 24.c4
  49. b6
  50. 25.axb6
  51. Rxb6
  52. 26.Ra1
  53. h4
  54. 27.h3
  55. f5
  56. 28.Kc3
  57. Kf6
  58. 29.Ra2
  59. Kg5
  60. 30.Nc1
  61. Kf4
  62. 31.Kd3
  63. Kg3
  64. 32.Ke3
  65. a5
  66. 33.f4
  67. e4
  68. 34.Rf2
  69. Kh2
  70. 35.Be6
  71. Kh1
  72. 36.Rc2
  73. a4
  74. 37.Ne2
  75. Re7
  76. 38.Nd4
  77. Rb1
  78. 39.Bd5
  79. Ra7
  80. 40.Nb5
  81. Ra6
  82. 41.Nc3
  83. Rg1
  84. 42.Bf7
  85. Rxg2
  86. 43.Rxg2
  87. Kxg2
  88. 44.Bxg6
  89. Ra5
  90. 45.Nxa4
  91. Rxa4
  92. 46.Bxf5
  93. Rxc4
  94. 47.Be6
  95. Ra4
  96. 48.f5
  97. Kxh3
  98. 49.f6+
  99. Kg3
  100. 50.f7
  101. Ra3+
  102. 51.Kxe4
  103. Rf3
  104. 52.Kd5
  105. h3
  106. 53.Kxd6
    1. Oplossing:53.Kxd6
    2. h2
    3. 54.Bd5
      1. 54.f8=B
      2. h1=Q
      1. 54.f8=R
      2. Rxf8
      3. 55.Bd5 with a winning endgame, for example:
      4. Rf3
      5. 56.Bxf3
      6. Kxf3
      7. 57.Kd5
      8. h1=Q
      1. 54.Kc7 with a winning endgame, for example:
      2. h1=Q
    5. 54...Rxf7
    6. 55.Bh1 with a winning endgame, for example:
      1. 55.Bxf7
      2. h1=Q
    8. 55...Rf1
    9. 56.Bc6
    10. Rf3
    11. 57.Bxf3
    12. Kxf3
    13. 58.Kd5
    14. h1=Q
  108. 53...h2
  109. 54.Bd5
  110. Rxf7
0-1
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