ChessPuzzle.net

Puzzle 424456: Les blancs défendent et gagnent

Lajos Portisch - Jonathan Penrose
WchT U26 06th Budapest (5), 1959.07.04
  2. 1.d4
  3. Cf6
  4. 2.c4
  5. e6
  6. 3.Cc3
  7. Fb4
  8. 4.f3
  9. d5
  10. 5.a3
  11. Fe7
  12. 6.e4
  13. O-O
  14. 7.e5
  15. Ce8
  16. 8.f4
  17. dxc4
  18. 9.Cf3
  19. c5
  20. 10.Fxc4
  21. Cc7
  22. 11.Fe3
  23. cxd4
  24. 12.Cxd4
  25. Cc6
  26. 13.Cxc6
  27. bxc6
  28. 14.O-O
  29. Cd5
  30. 15.Fxd5
  31. cxd5
  32. 16.b4
  33. Fd7
  34. 17.Dd2
  35. f6
  36. 18.Fd4
  37. f5
  38. 19.De3
  39. Db8
  40. 20.Fc5
  41. Fxc5
  42. 21.bxc5
  43. Tc8
  44. 22.Ce2
  45. Tc7
  46. 23.Tfc1
  47. Df8
  48. 24.Tc3
  49. Tac8
  50. 25.Tac1
  51. De7
  52. 26.Cd4
  53. Fa4
  54. 27.c6
  55. Tb8
  56. 28.Dd3
  57. Tb6
  58. 29.Tc5
  59. a6
  60. 30.Dc3
  61. Dh4
  62. 31.g3
  63. Dh5
  64. 32.Cxe6
  65. Tcxc6
  66. 33.Cd4
  67. Txc5
  68. 34.Dxc5
  69. Tb2
  70. 35.Dxd5+
  71. Rh8
  72. 36.Tc8+
  73. Fe8
    1. Solution:36...Fe8
      1. Menace:
      2. 37...Dd1#
    3. 37.Cf3 White is winning. White's piece activity, material advantage, better pawn structure and passed pawn(s) are not compensated by Black's better king safety.
  75. 37.Cf3
  76. h6
  77. 38.De6
  78. Rh7
  79. 39.Txe8
  80. Dh3
  81. 40.Dg8+
  82. Rg6
  83. 41.Ch4+
  84. Rh5
  85. 42.Df7+
1-0
Suivant ? Aide