Puzzle 764065: Negras ganan el final

GM Etienne Bacrot (2646) - Gnel Melikyan (2238)
Titled Tue 25th Oct Early chess.com INT (9), 2022.10.25
  1. 1.Cf3
  2. Cf6
  3. 2.g3
  4. g6
  5. 3.Ag2
  6. Ag7
  7. 4.O-O
  8. O-O
  9. 5.c4
  10. d6
  11. 6.Cc3
  12. c6
  13. 7.d4
  14. Db6
  15. 8.h3
  16. Da6
  17. 9.b3
  18. b5
  19. 10.cxb5
  20. cxb5
  21. 11.e4
  22. Ab7
  23. 12.e5
  24. Cd5
  25. 13.Ce4
  26. Ce3
  27. 14.Axe3
  28. Axe4
  29. 15.Tc1
  30. dxe5
  31. 16.dxe5
  32. Cc6
  33. 17.e6
  34. f5
  35. 18.De2
  36. Cb4
  37. 19.Tfd1
  38. Cxa2
  39. 20.Ta1
  40. Cc3
  41. 21.Txa6
  42. Cxe2+
  43. 22.Rh2
  44. f4
  45. 23.gxf4
  46. Cxf4
  47. 24.Ah1
  48. Cd5
  49. 25.Ac5
  50. Cc3
  51. 26.Td7
  52. Axf3
  53. 27.Axf3
  54. Txf3
  55. 28.Txe7
  56. Ce4
  57. 29.Taxa7
  58. Txa7
  59. 30.Axa7
  60. Af8
  61. 31.Te8
  62. Cf6
  63. 32.Tb8
  64. Rg7
  65. 33.Tb7+
  66. Rh6
  67. 34.e7
  68. Axe7
  69. 35.Txe7
  70. Txb3
  71. 36.Ae3+
  72. g5
  73. 37.Te6
  74. Rg6
  75. 38.Rg2
  76. Rf5
  77. 39.Tb6
  78. b4
  79. 40.Tb5+
  80. Re6
  81. 41.Tb6+
  82. Rf5
  83. 42.Tb5+
  84. Re6
  85. 43.Axg5
  86. Cd5
  87. 44.Ah6
  88. Tb1
  89. 45.h4
  90. b3
  91. 46.Ag7
  92. Cf4+
  93. 47.Rf3
  94. Cd5
  95. 48.h5
  96. Th1
  97. 49.h6
  98. Th3+
  99. 50.Re2
  100. Cc3+
  101. 51.Axc3
  102. Txc3
  103. 52.Tb7
  104. Rf6
  105. 53.Rd2
  106. Tc2+
  107. 54.Re3
  108. b2
  109. 55.f4
  110. Rg6
  111. 56.Tb6+
  112. Rh5
  113. 57.Re4
  114. Te2+
  115. 58.Rf3
  116. Tc2
  117. 59.f5
  118. Rg5
  119. 60.f6
  120. Rxh6
  121. 61.Re4
  122. Rg6
  123. 62.Re5
  124. Te2+
  125. 63.Rd5
  126. h5
  127. 64.Rd4
  128. h4
  129. 65.Rd3
  130. Tf2
  131. 66.Re3
  132. Th2
  133. 67.Rf4
  134. Tg2
  135. 68.Rf3
    1. Solución:68.Rf3
    2. h3
    3. 69.f7+
      1. 69.Tb5
      2. Tc2
      3. 70.f7
      4. h2
      5. 71.Tb6+
      6. Rh7
      7. 72.Th6+
      8. Rg7
      9. 73.f8=Q+
      10. Rxf8
      11. 74.Th8+
      12. Rg7
      13. 75.Th4 with a winning endgame, for example:
      14. b1=Q
      1. 69.Re4
      2. h2
      3. 70.f7+
      4. Rxf7
      5. 71.Tb7+ with a winning endgame, for example:
      6. Re8
      7. 72.Tb8+
      8. Rd7
      9. 73.Tb7+
      10. Rc6
      11. 74.Tb3
      12. h1=Q
    4. 69...Rxf7
    5. 70.Tb7+ with a winning endgame, for example:
      1. 70.Tb5 with a winning endgame, for example:
      2. Tc2
      3. 71.Tb7+
      4. Re6
      5. 72.Tb6+
      6. Rd7
      7. 73.Re4
      8. h2
      9. 74.Tb7+
      10. Rc8
      11. 75.Th7
      12. b1=Q
      1. 70.Re4 with a winning endgame, for example:
      2. h2
      3. 71.Tb7+
      4. Re8
      5. 72.Tb8+
      6. Rd7
      7. 73.Tb7+
      8. Rc6
      9. 74.Tb3
      10. h1=Q
    6. 70...Rf6
    7. 71.Tb6+
    8. Re5
    9. 72.Tb5+
    10. Rd6
    11. 73.Tb6+
    12. Rc7
    13. 74.Tb5
    14. Tc2
    15. 75.Re3
    16. h2
    17. 76.Th5
    18. Tc3+
    19. 77.Rd2
    20. b1=Q
  136. 68...h3
  137. 69.f7+
  138. Rxf7
  139. 70.Tb5
  140. Rg6
  141. 71.Tb6+
  142. Rf5
  143. 72.Tb5+
  144. Re6
  145. 73.Tb4
  146. Rd5
  147. 74.Tb5+
  148. Rc4
  149. 75.Txb2
  150. Txb2
0-1
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