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Puzzle 655971: Negras Defender y ganar

Iwan Cave (1642) - Mate Ther (1966)
28th 4NCL Congress 2022 Leamington Spa ENG, 2022.07.09
  2. 1.e4
  3. e5
  4. 2.Cf3
  5. Cc6
  6. 3.Ab5
  7. a6
  8. 4.Aa4
  9. Cf6
  10. 5.O-O
  11. Cxe4
  12. 6.d4
  13. Ae7
  14. 7.Te1
  15. b5
  16. 8.Ab3
  17. d5
  18. 9.dxe5
  19. Ae6
  20. 10.c3
  21. O-O
  22. 11.Cbd2
  23. Cc5
  24. 12.Ac2
  25. d4
  26. 13.Cb3
  27. dxc3
  28. 14.bxc3
  29. Dxd1
  30. 15.Txd1
  31. Ca4
  32. 16.Cbd4
  33. Cxd4
  34. 17.cxd4
  35. Cc3
  36. 18.Te1
  37. Tad8
  38. 19.Ae3
  39. Cxa2
  40. 20.Ae4
  41. Cb4
  42. 21.Tec1
  43. Tc8
  44. 22.Cg5
  45. Ac4
  46. 23.Axh7+
  47. Rh8
  48. 24.Af5
  49. Ta8
  50. 25.Ad2
  51. Cd5
  52. 26.e6
  53. fxe6
  54. 27.Axe6
  55. Cb6
  56. 28.Ag4
  57. c5
  58. 29.Ta3
  59. Axg5
  60. 30.Axg5
  61. cxd4
  62. 31.Th3+
  63. Rg8
  64. 32.Txc4
  65. Cxc4
  66. 33.Ae6+
  67. Tf7
  68. 34.Tf3
  69. Taf8
  70. 35.Ae7
    1. Solución:35.Ae7
      1. Amenazante:
      2. 36.Axf8
    3. Ce5
    4. 36.Axf8
    5. Cxf3+ El caballo negro captura a la torre blanca, que estaba defendiendo la casilla d3.
    6. 37.gxf3
    7. Rxf8
    8. 38.Axf7
    9. Rxf7
    10. 39.Rf1
    11. a5 Black is winning because of Black's passed pawn(s), material advantage and better pawn structure.
      1. 39...b4
      2. 40.Re2
      3. b3 Black is winning.
        1. 40...d3+ Black is winning because of Black's passed pawn(s), material advantage, better pawn structure and piece activity.
      1. 39...d3 Black is winning because of Black's material advantage, passed pawn(s), better pawn structure and piece activity.
      1. 39...Re6 Black is winning because of Black's passed pawn(s), material advantage, better pawn structure and piece activity.
      1. 39...Rf6 Black is winning because of Black's passed pawn(s), material advantage, better pawn structure and piece activity.
      1. 39...Rg6 Black is winning because of Black's material advantage, passed pawn(s) and better pawn structure.
  72. 35...Ce5
  73. 36.Tf5
  74. Te8
  75. 37.Axf7+
  76. Cxf7
  77. 38.Ab4
  78. Ce5
  79. 39.Rf1
  80. Cc6
  81. 40.Ad2
  82. b4
  83. 41.Tc5
  84. Te6
  85. 42.f4
  86. b3
  87. 43.Ac1
  88. d3
  89. 44.Td5
  90. Cb4
  91. 45.Td7
  92. Tc6
  93. 46.Ab2
  94. Tc2
  95. 47.Axg7
  96. Cd5
  97. 48.Ae5
  98. Ce3+
  99. 49.Re1
  100. Te2#
0-1
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