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Puzzle 621836: Les noirs gagnent la finale

Majumder Shrayan (1808) - IM Ameya Audi (2395)
Vizag GM Open 2022 Visakhapatnam IND, 2022.06.12
  2. 1.d4
  3. Cf6
  4. 2.c4
  5. g6
  6. 3.Cc3
  7. Fg7
  8. 4.e4
  9. O-O
  10. 5.Fe2
  11. d6
  12. 6.Fe3
  13. Ca6
  14. 7.g4
  15. c5
  16. 8.d5
  17. e6
  18. 9.g5
  19. Cd7
  20. 10.dxe6
  21. Cb6
  22. 11.exf7+
  23. Txf7
  24. 12.Tc1
  25. Fe6
  26. 13.b3
  27. Cb4
  28. 14.Dd2
  29. Cc6
  30. 15.f4
  31. Cd4
  32. 16.Cf3
  33. Df8
  34. 17.O-O
  35. Fh3
  36. 18.Tf2
  37. Te8
  38. 19.Cxd4
  39. cxd4
  40. 20.Fxd4
  41. Fxd4
  42. 21.Dxd4
  43. Txf4
  44. 22.De3
  45. Txf2
  46. 23.Dxf2
  47. Te5
  48. 24.Dg3
  49. De7
  50. 25.Rh1
  51. Dxg5
  52. 26.Td1
  53. Dxg3
  54. 27.hxg3
  55. Cc8
  56. 28.g4
  57. h5
  58. 29.gxh5
  59. gxh5
  60. 30.Td5
  61. h4
  62. 31.Rh2
  63. Fe6
  64. 32.Td1
  65. Rg7
  66. 33.Tg1+
  67. Rf6
  68. 34.Fg4
  69. Ce7
  70. 35.Fxe6
  71. Txe6
  72. 36.Rh3
  73. Cg6
  74. 37.Cd5+
  75. Rf7
  76. 38.Tf1+
  77. Rg7
  78. 39.Cf4
  79. Txe4
  80. 40.Cxg6
  81. Rxg6
  82. 41.Td1
  83. Rg5
  84. 42.Td5+
  85. Te5
  86. 43.Txd6
  87. Te3+
  88. 44.Rh2
  89. Te2+
  90. 45.Rh3
  91. Txa2
  92. 46.Td7
  93. b6
  94. 47.Tg7+
  95. Rf6
  96. 48.Tb7
  97. Re5
  98. 49.Td7
  99. Ta3
  100. 50.Rxh4
  101. Txb3
  102. 51.Txa7
  103. Tb4
  104. 52.Rg3
  105. Rd4
  106. 53.Rf2
  107. Rxc4
  108. 54.Re2
  109. Rc3
  110. 55.Tc7+
  111. Rb2
  112. 56.Rd3
  113. b5
  114. 57.Tb7
  115. Tb3+
  116. 58.Rd4
  117. Ra3
  118. 59.Rc5
  119. b4
  120. 60.Ta7+
  121. Rb2
  122. 61.Rc4
    1. Solution:61.Rc4
    2. Ta3
    3. 62.Th7
      1. 62.Tg7
      2. b3
      3. 63.Tb7
      4. Rc2
      5. 64.Rb4
      6. Ta8
      7. 65.Tc7+
      8. Rb2
      9. 66.Tb7
      1. 62.Tb7
      2. Tc3+
      3. 63.Rb5 with a winning endgame, for example:
      4. b3
      5. 64.Th7
      6. Te3
      7. 65.Rc4
      8. Rc2
      9. 66.Th2+
      10. Rb1
      11. 67.Rc5
      12. b2
      13. 68.Rd4
      14. Ta3
      15. 69.Th1+
      16. Ra2
      17. 70.Th2
      18. Ra1
      19. 71.Th1+
      20. b1=Q
    5. 62...b3
    6. 63.Th2+
      1. 63.Tb7
      2. Rc2
      3. 64.Rb4
      4. Ta8
      5. 65.Tc7+
      6. Rb2
      7. 66.Tb7
      1. 63.Rd3 with a winning endgame, for example:
      2. Ra2
      3. 64.Tb7
      4. Ra1
      5. 65.Rd2
      6. b2
      7. 66.Rc2
      8. Ta2
      9. 67.Rd3
      10. b1=Q+
      1. 63.Rb5 with a winning endgame, for example:
      2. Ra2
      3. 64.Th2+
      4. b2
      5. 65.Rc4
      6. Tb3
      7. 66.Tg2
      8. Ra3
      9. 67.Tg1
      10. b1=Q
    8. 63...Ra1
    9. 64.Th3
    10. Ra2
      1. 64...Rb2
      2. 65.Th2+
    12. 65.Th2+
      1. 65.Rb4
      2. Ta6
      3. 66.Rc3 with a winning endgame, for example:
      4. b2
      5. 67.Th2
      6. Ta3+
      7. 68.Rc4
      8. Tb3
      9. 69.Tg2
      10. Ra3
      11. 70.Tg1
      12. b1=Q
      1. 65.Rc5 with a winning endgame, for example:
      2. b2
      3. 66.Th2
      4. Ra1
      5. 67.Th1+
      6. b1=Q
    14. 65...b2
      1. 65...Ra1
      2. 66.Rb4
      3. b2
      4. 67.Th1+
        1. 67.Rxa3
        2. b1=Q
      6. 67...Ra2
      7. 68.Th2 with a winning endgame, for example:
        1. 68.Rc4 with a winning endgame, for example:
        2. b1=Q
      9. 68...Tb3+
      10. 69.Rc4
      11. Ra3
      12. 70.Th1
      13. b1=Q
    16. 66.Rb5 with a winning endgame, for example:
      1. 66.Te2 with a winning endgame, for example:
      2. Tb3
      3. 67.Th2
      4. Ra3
      5. 68.Th1
      6. b1=Q
      1. 66.Rc5 with a winning endgame, for example:
      2. Ra1
      3. 67.Th1+
      4. b1=Q
      1. 66.Rd5 with a winning endgame, for example:
      2. Ra1
      3. 67.Th1+
      4. b1=Q
    18. 66...Tc3
    19. 67.Rb4
    20. Tc8
    21. 68.Ra4
    22. Tb8
    23. 69.Td2
    24. Ra1
    25. 70.Td1+
    26. b1=Q
  124. 61...Ta3
  125. 62.Th7
  126. b3
  127. 63.Rd3
  128. Ra2
  129. 64.Tb7
  130. Ta8
  131. 65.Rc3
  132. Tc8+
  133. 66.Rd2
  134. b2
  135. 67.Ta7+
  136. Rb1
  137. 68.Tb7
  138. Td8+
  139. 69.Re2
  140. Td5
  141. 70.Re1
  142. Rc2
  143. 71.Tc7+
  144. Rb3
  145. 72.Tb7+
  146. Rc3
  147. 73.Re2
  148. Td4
0-1
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