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Puzzle 281312: Les noirs gagnent la finale

P. Johnson (1812) - Ehsan Farahmandpour
6th 4NCL Online Congress lichess.org INT, 2021.03.27
  2. 1.d4
  3. Cf6
  4. 2.Ff4
  5. d5
  6. 3.e3
  7. g6
  8. 4.Cc3
  9. Fg7
  10. 5.h4
  11. c5
  12. 6.Cb5
  13. Da5+
  14. 7.c3
  15. Ca6
  16. 8.a4
  17. O-O
  18. 9.Fe2
  19. cxd4
  20. 10.exd4
  21. Ff5
  22. 11.Cf3
  23. Ce4
  24. 12.h5
  25. Db6
  26. 13.hxg6
  27. fxg6
  28. 14.Ce5
  29. Fxe5
  30. 15.Fxe5
  31. Cxf2
  32. 16.Dd2
  33. Cxh1
  34. 17.Dh6
  35. Tf7
  36. 18.Dxh1
  37. Taf8
  38. 19.O-O-O
  39. Dc6
  40. 20.Dh6
  41. Cb4
  42. 21.Rd2
  43. Ca6
  44. 22.Th1
  45. Fe4
  46. 23.Th2
  47. Cb8
  48. 24.b3
  49. a6
  50. 25.Ca3
  51. Cd7
  52. 26.Ff4
  53. Df6
  54. 27.g3
  55. Db6
  56. 28.b4
  57. Dc6
  58. 29.b5
  59. axb5
  60. 30.Fxb5
  61. De6
  62. 31.Cc2
  63. Fxc2
  64. 32.Rxc2
  65. Cf6
  66. 33.Te2
  67. Dg4
  68. 34.Dh1
  69. Ce4
  70. 35.De1
  71. Tc8
  72. 36.Te3
  73. g5
  74. 37.Fe5
  75. Tf2+
  76. 38.Rb3
  77. Tcf8
  78. 39.Fd3
  79. Dc8
  80. 40.Txe4
  81. dxe4
  82. 41.Dxe4
  83. De6+
  84. 42.Fc4
  85. Tb2+
  86. 43.Rxb2
  87. Dxc4
  88. 44.De3
  89. h6
  90. 45.g4
  91. Dxa4
  92. 46.De2
  93. Dc6
  94. 47.Fg3
  95. Df6
  96. 48.Dc4+
  97. Df7
  98. 49.De2
  99. Df3
  100. 50.De6+
  101. Df7
  102. 51.De2
  103. Df3
  104. 52.De6+
  105. Rh7
  106. 53.Fe5
  107. Df2+
  108. 54.Rb3
  109. Df7
  110. 55.Dxf7+
  111. Txf7
  112. 56.c4
  113. Tf2
  114. 57.d5
  115. Tg2
  116. 58.c5
  117. Txg4
  118. 59.d6
  119. exd6
  120. 60.cxd6
  121. Tg1
  122. 61.Rc2
  123. Tf1
  124. 62.d7
  125. Tf8
  126. 63.Ff6
  127. Rg6
  128. 64.d8=Q
  129. Txd8
  130. 65.Fxd8
  131. Rf5
  132. 66.Rd2
  133. Rf4
  134. 67.Re2
  135. b5
  136. 68.Fe7
  137. h5
  138. 69.Rf2
  139. g4
  140. 70.Rg2
  141. Rf5
  142. 71.Rg3
  143. Re6
  144. 72.Fb4
  145. Rd5
  146. 73.Rh4
  147. Rc4
  148. 74.Fd6
  149. b4
  150. 75.Rxh5
    1. Solution:75.Rxh5
    2. b3
    3. 76.Fa3
      1. 76.Rxg4
      2. b2
      3. 77.Fg3 with a winning endgame, for example:
      4. b1=Q
      1. 76.Fe5
      2. g3
      3. 77.Fxg3
      4. b2
      5. 78.Rg5 with a winning endgame, for example:
      6. b1=Q
    5. 76...g3
    6. 77.Fc1 with a winning endgame, for example:
      1. 77.Fb2 with a winning endgame, for example:
      2. g2
      3. 78.Rg4
      4. g1=Q+
      1. 77.Fd6 with a winning endgame, for example:
      2. g2
      3. 78.Fa3
      4. g1=Q
    8. 77...g2
    9. 78.Fe3
    10. b2
    11. 79.Fa7
    12. b1=Q
  152. 75...b3
  153. 76.Fe5
  154. b2
  155. 77.Fxb2
  156. g3
  157. 78.Fe5
  158. g2
  159. 79.Fh2
  160. Rd3
  161. 80.Rg4
  162. Re2
  163. 81.Fg1
  164. Rf1
  165. 82.Fd4
  166. g1=Q+
  167. 83.Fxg1
1/2-1/2
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