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Puzzle 420284: Les noirs gagnent la finale

GM Bogdan-Daniel Deac (2651) - GM V. Zvjaginsev (2609)
Lindores Abbey Tal Mem Riga LAT, 2021.11.08
  2. 1.e4
  3. c5
  4. 2.Cf3
  5. Cc6
  6. 3.d4
  7. cxd4
  8. 4.Cxd4
  9. g6
  10. 5.c4
  11. Cf6
  12. 6.Cc3
  13. d6
  14. 7.f3
  15. Fg7
  16. 8.Fe3
  17. O-O
  18. 9.Fe2
  19. e6
  20. 10.O-O
  21. d5
  22. 11.Cxc6
  23. bxc6
  24. 12.e5
  25. Cd7
  26. 13.f4
  27. Fa6
  28. 14.b3
  29. Da5
  30. 15.Tc1
  31. Tfd8
  32. 16.cxd5
  33. cxd5
  34. 17.b4
  35. Fxe2
  36. 18.bxa5
  37. Fxd1
  38. 19.Tfxd1
  39. g5
  40. 20.g3
  41. gxf4
  42. 21.gxf4
  43. a6
  44. 22.Ca4
  45. Fh6
  46. 23.Rf2
  47. Tac8
  48. 24.Rf3
  49. f6
  50. 25.exf6
  51. Cxf6
  52. 26.Cb6
  53. Txc1
  54. 27.Txc1
  55. d4
  56. 28.Ff2
  57. d3
  58. 29.Td1
  59. Ff8
  60. 30.Cc4
  61. Fb4
  62. 31.a3
  63. Fc3
  64. 32.Fb6
  65. Td5
  66. 33.h3
  67. Rf7
  68. 34.Re3
  69. d2
  70. 35.Cxd2
  71. Td7
  72. 36.Re2
  73. Cd5
  74. 37.Fe3
  75. Cxe3
  76. 38.Rxe3
  77. Fxa5
  78. 39.Re2
  79. Fxd2
  80. 40.Txd2
  81. Txd2+
  82. 41.Rxd2
  83. Rf6
  84. 42.Re3
  85. Rf5
  86. 43.Rf3
  87. a5
  88. 44.Re3
  89. a4
  90. 45.Rf3
  91. h6
  92. 46.Re3
  93. e5
  94. 47.fxe5
  95. Rxe5
  96. 48.Rf3
  97. Rd4
  98. 49.Rg4
  99. Rc3
  100. 50.Rh5
  101. Rb3
  102. 51.Rxh6
    1. Solution:51.Rxh6
    2. Rxa3
    3. 52.h4
    4. Rb4
      1. 52...Rb3
      2. 53.Rg7
        1. 53.h5
        2. a3
        3. 54.Rg7
        4. a2
        5. 55.Rg8
        1. 53.Rg6 with a winning endgame, for example:
        2. a3
        3. 54.h5
        4. a2
        5. 55.h6
        6. a1=Q
        7. 56.Rh7
        8. Df6
        9. 57.Rg8
        10. Dxh6
      4. 53...a3
      5. 54.Rg8
        1. 54.h5
        2. a2
        3. 55.Rg8
        1. 54.Rf8 with a winning endgame, for example:
        2. a2
        3. 55.h5
        4. a1=Q
      7. 54...a2
      8. 55.h5
        1. 55.Rf7 with a winning endgame, for example:
        2. a1=Q
        1. 55.Rf8 with a winning endgame, for example:
        2. a1=Q
      10. 55...a1=Q
      11. 56.h6
      12. Dg1+
        1. 56...Da8+
        2. 57.Rg7 with a winning endgame, for example:
          1. 57.Rf7 with a winning endgame, for example:
          2. Dh8
          1. 57.Rh7 with a winning endgame, for example:
          2. Df8
          3. 58.Rg6
          4. Rc4
          5. 59.Rh7
          6. Df7+
          7. 60.Rh8
          8. Rd3
          9. 61.h7
          10. Df8#
        4. 57...Da7+
        5. 58.Rg6
        6. Dc5
        7. 59.Rf7
        8. Dh5+
        9. 60.Rg7
        10. Dg5+
        11. 61.Rh7
        12. Df6
        13. 62.Rg8
        14. Dxh6
      14. 57.Rf7 with a winning endgame, for example:
        1. 57.Rh7 with a winning endgame, for example:
        2. Rc4
        3. 58.Rh8
        4. Rd5
        5. 59.Rh7
        6. Re6
        7. 60.Rh8
        8. Rf7
        9. 61.h7
        10. Da1#
        1. 57.Rh8 with a winning endgame, for example:
        2. Dc5
        3. 58.h7
        4. Df8#
      16. 57...Dh2
      17. 58.Rg7
      18. De5+
      19. 59.Rf7
      20. Dh5+
      21. 60.Rg7
      22. Dg5+
      23. 61.Rh7
      24. Df6
      25. 62.Rg8
      26. Dxh6
    6. 53.h5
      1. 53.Rg7
      2. a3
      3. 54.h5
      1. 53.Rg6 with a winning endgame, for example:
      2. a3
      3. 54.h5
      4. a2
      5. 55.h6
      6. a1=Q
      7. 56.Rh7
      8. Df6
      9. 57.Rg8
      10. Dxh6
    8. 53...a3
    9. 54.Rg7
      1. 54.Rh7
      2. a2
      3. 55.Rg8
    11. 54...a2
    12. 55.Rg8
      1. 55.h6
      2. a1=Q+
      3. 56.Rg8
      1. 55.Rf7 with a winning endgame, for example:
      2. a1=Q
      1. 55.Rf8 with a winning endgame, for example:
      2. a1=Q
    14. 55...a1=Q
    15. 56.h6
    16. Dg1+
      1. 56...Da2+
      2. 57.Rg7 with a winning endgame, for example:
        1. 57.Rh7 with a winning endgame, for example:
        2. Df7+
        3. 58.Rh8
        4. Rc4
        5. 59.h7
        6. Df8#
        1. 57.Rh8 with a winning endgame, for example:
        2. Df7
        3. 58.h7
        4. Df8#
      4. 57...Da7+
      5. 58.Rg6
      6. Dd4
      7. 59.Rf7
      8. Dh8
      1. 56...Da8+
      2. 57.Rh7 with a winning endgame, for example:
        1. 57.Rf7 with a winning endgame, for example:
        2. Dh8
        1. 57.Rg7 with a winning endgame, for example:
        2. Da7+
        3. 58.Rg6
        4. Dd4
        5. 59.Rf7
        6. Dh8
      4. 57...Df8
      5. 58.Rg6
      6. Rc5
      7. 59.Rh7
      8. Df7+
      9. 60.Rh8
      10. Rd6
      11. 61.h7
      12. Df8#
    18. 57.Rf7 with a winning endgame, for example:
      1. 57.Rh7 with a winning endgame, for example:
      2. Dg5
      3. 58.Rh8
      4. Dxh6+
      1. 57.Rh8 with a winning endgame, for example:
      2. Dc5
      3. 58.h7
      4. Df8#
    20. 57...Dh2
    21. 58.Rg7
    22. De5+
    23. 59.Rg6
    24. Rc5
    25. 60.Rf7
    26. Rd5
    27. 61.Rg6
    28. Re6
    29. 62.h7
    30. Df6+
    31. 63.Rh5
    32. Rf5
    33. 64.h8=Q
    34. Dxh8#
  104. 51...Rxa3
  105. 52.h4
  106. Rb4
  107. 53.Rg6
  108. a3
  109. 54.h5
  110. a2
  111. 55.h6
  112. a1=Q
0-1
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