Puzzle 990740: Les noirs gagnent la finale

John Delaney (2265) - Wong Meng Kong SIN (2315)
27th olm final Dubai UAE (8), 1986.11.23
  1. 1.e4
  2. Cc6
  3. 2.Cf3
  4. d6
  5. 3.d4
  6. Cf6
  7. 4.Cc3
  8. Fg4
  9. 5.Fb5
  10. a6
  11. 6.Fxc6+
  12. bxc6
  13. 7.h3
  14. Fh5
  15. 8.De2
  16. e6
  17. 9.Fd2
  18. d5
  19. 10.O-O
  20. Fe7
  21. 11.Tad1
  22. dxe4
  23. 12.Cxe4
  24. Cxe4
  25. 13.Dxe4
  26. Dd5
  27. 14.Dxd5
  28. cxd5
  29. 15.g4
  30. Fg6
  31. 16.Ce5
  32. c5
  33. 17.dxc5
  34. Fxc5
  35. 18.Fe3
  36. Tc8
  37. 19.Fxc5
  38. Txc5
  39. 20.Td2
  40. Re7
  41. 21.c3
  42. Rd6
  43. 22.Te1
  44. f6
  45. 23.Cd3
  46. Fxd3
  47. 24.Txd3
  48. Ta5
  49. 25.a3
  50. Ta4
  51. 26.Rg2
  52. h5
  53. 27.f3
  54. Tb8
  55. 28.Te2
  56. g5
  57. 29.gxh5
  58. Th8
  59. 30.Te4
  60. Ta5
  61. 31.Tb4
  62. Tc5
  63. 32.Tb7
  64. Txh5
  65. 33.Tf7
  66. Re5
  67. 34.Td4
  68. a5
  69. 35.Tb7
  70. Th8
  71. 36.Td3
  72. Thc8
  73. 37.Tb6
  74. Rf5
  75. 38.Rg3
  76. a4
  77. 39.Te3
  78. T8c6
  79. 40.Tb8
  80. Tc4
  81. 41.Tb5
  82. Th4
  83. 42.Tb7
  84. Tc8
  85. 43.Tb6
  86. e5
  87. 44.Td3
  88. Td8
  89. 45.Tb5
  90. Re6
  91. 46.Tb6+
  92. Td6
  93. 47.Tb8
  94. Rd7
  95. 48.Tb7+
  96. Rc6
  97. 49.Te7
  98. Rb5
  99. 50.Td2
  100. d4
  101. 51.cxd4
  102. exd4
  103. 52.Tb7+
  104. Tb6
  105. 53.Td7
  106. Rc4
  107. 54.Tc7+
  108. Rb3
  109. 55.Td7
  110. Ra2
  111. 56.T2xd4
  112. Rxb2
  113. 57.Txh4
  114. gxh4+
  115. 58.Rxh4
  116. Rxa3
  117. 59.Rg4
  118. Rb3
  119. 60.Ta7
  120. a3
  121. 61.f4
  122. Tb4
  123. 62.Txa3+
  124. Rxa3
  125. 63.Rf5
  126. Tb1
  127. 64.h4
  128. Rb4
  129. 65.Rxf6
  130. Rc5
  131. 66.h5
  132. Rd6
  133. 67.h6
  134. Th1
  135. 68.Rg7
  136. Re7
  137. 69.h7
    1. Solution:69.h7
    2. Tg1+
    3. 70.Rh6
      1. 70.Rh8 with a winning endgame, for example:
      2. Rf6
      3. 71.f5
      4. Ta1
      5. 72.Rg8
      6. Ta8#
    4. 70...Rf7
      1. 70...Th1+
      2. 71.Rg6 with a winning endgame, for example:
        1. 71.Rg5
        2. Txh7
        3. 72.Rf5 with a winning endgame, for example:
        4. Th5+
        5. 73.Rg4
        6. Ta5
        7. 74.f5
        8. Rf6
        9. 75.Rf3
        10. Txf5+
      3. 71...Rf8
      4. 72.f5
      5. Th3
      6. 73.f6
      7. Th1
      8. 74.f7
      9. Th2
      10. 75.h8=Q+
      11. Txh8
      12. 76.Rf6
      13. Th5
      14. 77.Rg6
      15. Te5
      16. 78.Rf6
      17. Te7
      18. 79.Rf5
      19. Txf7+
    5. 71.h8=Q
      1. 71.f5 with a winning endgame, for example:
      2. Th1+
      3. 72.Rg5
      4. Txh7
      5. 73.f6
      6. Th2
      7. 74.Rf5
      8. Te2
      9. 75.Rg5
      10. Tf2
      11. 76.Rg4
      12. Txf6
      1. 71.h8=N+
      2. Rf6
      3. 72.Rh7 with a winning endgame, for example:
      4. Tf1
      5. 73.Rg8
      6. Txf4
      7. 74.Rf8
      8. Ta4
      9. 75.Rg8
      10. Tb4
      11. 76.Rh7
      12. Tg4
      13. 77.Rh6
      14. Th4#
    6. 71...Th1+ La tour noire réalise une enfilade sur le roi blanc et la dame.
    7. 72.Rg5
    8. Txh8
    9. 73.Rf5 with a winning endgame, for example:
      1. 73.Rg4 with a winning endgame, for example:
      2. Rf6
      3. 74.f5
      4. Te8
      5. 75.Rf4
      6. Te5
      7. 76.Rg3
      8. Txf5
      1. 73.f5 with a winning endgame, for example:
      2. Th1
      3. 74.f6
      4. Tf1
      5. 75.Rg4
      6. Txf6
    10. 73...Te8
    11. 74.Rg4
    12. Rf6
    13. 75.Rf3
    14. Rf5
    15. 76.Rg3
    16. Te3+
    17. 77.Rg2
    18. Rxf4
  138. 69...Tg1+
  139. 70.Rh6
  140. Rf7
  141. 71.h8=N+
  142. Rf6
  143. 72.Rh7
  144. Tg7+
  145. 73.Rh6
  146. Tg4
  147. 74.Rh7
  148. Txf4
  149. 75.Rg8
  150. Tg4+
  151. 76.Rh7
  152. Tg1
0-1
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