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Puzzle 710423: Les noirs gagnent la finale

S. Walker (2028) - FM E. Ronka (2248)
26th HIT Open 2022 Nova Gorica SLO, 2022.09.17
  2. 1.d4
  3. d5
  4. 2.c4
  5. e6
  6. 3.Cf3
  7. Cf6
  8. 4.Cc3
  9. c6
  10. 5.e3
  11. Cbd7
  12. 6.Fe2
  13. dxc4
  14. 7.a4
  15. Fb4
  16. 8.O-O
  17. De7
  18. 9.e4
  19. e5
  20. 10.Fxc4
  21. O-O
  22. 11.Db3
  23. a5
  24. 12.Fg5
  25. h6
  26. 13.Fh4
  27. exd4
  28. 14.Cxd4
  29. Cc5
  30. 15.Da2
  31. g5
  32. 16.Fg3
  33. Cfxe4
  34. 17.Tfe1
  35. Fxc3
  36. 18.bxc3
  37. Df6
  38. 19.Te3
  39. Fd7
  40. 20.Dc2
  41. Cxg3
  42. 21.fxg3
  43. Rg7
  44. 22.Tf1
  45. Dg6
  46. 23.Df2
  47. Fe6
  48. 24.Cxe6+
  49. fxe6
  50. 25.Tf3
  51. Txf3
  52. 26.Dxf3
  53. Cd7
  54. 27.De3
  55. Tf8
  56. 28.Dd4+
  57. Cf6
  58. 29.Fd3
  59. De8
  60. 30.De5
  61. Dd7
  62. 31.Fc4
  63. b5
  64. 32.Fxe6
  65. Da7+
  66. 33.Rh1
  67. De7
  68. 34.h4
  69. g4
  70. 35.Tf4
  71. Te8
  72. 36.Txg4+
  73. Rh8
  74. 37.Tg6
  75. Dxe6
  76. 38.Df4
  77. De5
  78. 39.Dxh6+
  79. Ch7
  80. 40.Rh2
  81. Tg8
  82. 41.Txg8+
  83. Rxg8
  84. 42.Dxc6
  85. bxa4
  86. 43.Dxa4
  87. Cf6
  88. 44.Dc6
  89. Rg7
  90. 45.Df3
  91. Ce4
  92. 46.c4
  93. a4
  94. 47.h5
  95. Dxg3+
  96. 48.Dxg3+
  97. Cxg3
  98. 49.h6+
  99. Rxh6
  100. 50.Rxg3
  101. a3
  102. 51.c5
    1. Solution:51.c5
    2. a2
    3. 52.c6
      1. 52.Rf3 with a winning endgame, for example:
      2. a1=Q
      3. 53.Re4
      4. Da8+
      5. 54.Rf4
      6. Dxg2
      1. 52.Rf4 with a winning endgame, for example:
      2. a1=Q
      3. 53.Re4
      4. Da8+
      5. 54.Rf4
      6. Dxg2
    5. 52...a1=Q
      1. 52...a1=R
      2. 53.Rf4 with a winning endgame, for example:
      3. Tc1
      4. 54.g3
      5. Txc6
      6. 55.Rg4
      7. Tf6
      8. 56.Rh3
      9. Rg5
      10. 57.g4
      11. Tf3+
      12. 58.Rg2
      13. Rxg4
    7. 53.Rf2 with a winning endgame, for example:
      1. 53.c7 with a winning endgame, for example:
      2. De5+
      3. 54.Rf3
      4. Dxc7
      1. 53.Rf4 with a winning endgame, for example:
      2. Dc1+
      3. 54.Re5
      4. Dxc6
    9. 53...Df6+
    10. 54.Re3
    11. Dxc6
  104. 51...a2
0-1
Suivant ? Aide