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Puzzle 154530: Blancas ganan el final

FM Ramil Sadykov (2345) - GM Jose Fernando Cubas (2469)
Titled Tuesday 23rd June chess.com INT (5), 2020.06.23
  2. 1.e4
  3. c5
  4. 2.Cf3
  5. Cc6
  6. 3.d4
  7. cxd4
  8. 4.Cxd4
  9. e5
  10. 5.Cb5
  11. d6
  12. 6.C1c3
  13. a6
  14. 7.Ca3
  15. b5
  16. 8.Cd5
  17. Cge7
  18. 9.c4
  19. Cd4
  20. 10.Cxe7
  21. Axe7
  22. 11.cxb5
  23. O-O
  24. 12.bxa6
  25. Axa6
  26. 13.Axa6
  27. Da5+
  28. 14.Ad2
  29. Dxa6
  30. 15.Ac3
  31. f5
  32. 16.Cc2
  33. Cb5
  34. 17.Dd5+
  35. Rh8
  36. 18.O-O
  37. Cc7
  38. 19.Dd2
  39. fxe4
  40. 20.Cb4
  41. Dc4
  42. 21.a3
  43. Tf6
  44. 22.Tac1
  45. Tg6
  46. 23.Axe5
  47. De6
  48. 24.Ag3
  49. Ag5
  50. 25.Dc2
  51. Axc1
  52. 26.Txc1
  53. Ce8
  54. 27.Dc6
  55. Td8
  56. 28.Dd5
  57. h6
  58. 29.Dxe6
  59. Txe6
  60. 30.Rf1
  61. d5
  62. 31.Td1
  63. d4
  64. 32.Re2
  65. Cf6
  66. 33.Tc1
  67. d3+
  68. 34.Rd2
  69. Ch5
  70. 35.Ac7
  71. Tf8
  72. 36.Ab6
  73. Cf4
  74. 37.g3
  75. Ch3
  76. 38.Tf1
  77. Tef6
  78. 39.Ae3
  79. Cxf2
  80. 40.Cd5
  81. Tf5
  82. 41.Cf4
  83. Cg4
  84. 42.Cg6+
  85. Rg8
  86. 43.Ce7+
  87. Rh7
  88. 44.Cxf5
  89. Tc8
  90. 45.Cd4
  91. Ce5
  92. 46.Tf4
  93. Cc4+
  94. 47.Re1
  95. Cxe3
  96. 48.Txe4
  97. Cc2+
  98. 49.Rd2
  99. Cxd4
  100. 50.Txd4
  101. Tc2+
  102. 51.Rxd3
  103. Txb2
  104. 52.Rc4
  105. Txh2
  106. 53.Rb5
  107. Tg2
  108. 54.Td3
  109. h5
  110. 55.a4
  111. g5
  112. 56.a5
  113. Tb2+
  114. 57.Rc6
  115. Rg6
  116. 58.a6
  117. Ta2
  118. 59.Rb7
  119. Rf5
  120. 60.a7
  121. Re4
  122. 61.Tb3
  123. Rf5
  124. 62.Tb4
  125. h4
  126. 63.gxh4
  127. gxh4
  128. 64.Txh4
  129. Tb2+
  130. 65.Ra8
  131. Re6
    1. Solución:65...Re6
    2. 66.Th8
    3. Rd6
      1. 66...Tb1 with a winning endgame, for example:
      2. 67.Tb8
      3. Th1
      4. 68.Tb6+
      5. Rd5
      6. 69.Rb7
      7. Th7+
      8. 70.Ra6
      9. Th8
      10. 71.Tb8
      11. Th6+
      12. 72.Rb5
      13. Th5
      14. 73.a8=Q+
      1. 66...Rd7
      2. 67.Tb8
      3. Te2
      4. 68.Rb7
      5. Tb2+
      6. 69.Ra6
      7. Ta2+
      8. 70.Rb6
      9. Tb2+
      10. 71.Rc5
      11. Tc2+ with a winning endgame, for example:
      12. 72.Rb4
      13. Ta2
      14. 73.a8=Q
    5. 67.Tb8
    6. Tc2
      1. 67...Tf2
      2. 68.Rb7
      3. Tb2+
      1. 67...Ta2
      2. 68.Rb7
      3. Tb2+
      1. 67...Th2
      2. 68.Rb7
      3. Tb2+
    8. 68.Rb7
    9. Tb2+
    10. 69.Rc8 La torre blanca ataca a la torre negra, que está defendiendo la casilla b6.
      1. 69.Ra6
      2. Ta2+
      3. 70.Rb7
        1. 70.Rb6
        2. Tb2+
        3. 71.Ra6
          1. 71.Ra5
          2. Ta2+
          3. 72.Rb6
          4. Tb2+
        5. 71...Ta2+
      5. 70...Tb2+
      1. 69.Ra8
      2. Tc2
        1. 69...Tf2
        2. 70.Rb7
        3. Tb2+
        1. 69...Ta2
        2. 70.Rb7
        3. Tb2+
        1. 69...Th2
        2. 70.Rb7
        3. Tb2+
    12. 69...Tc2+
      1. 69...Ta2 with a winning endgame, for example:
      2. 70.a8=Q
    14. 70.Rd8
      1. 70.Rb7
      2. Tb2+
    16. 70...Th2
      1. 70...Tg2
      2. 71.Tb6+
      3. Rc5 with a winning endgame, for example:
      4. 72.Tc6+
      5. Rd5
      6. 73.Ta6
      7. Tg8+
      8. 74.Rc7
      9. Tg7+
      10. 75.Rb6
      11. Tg6+
      12. 76.Rb5
      13. Tg8
      14. 77.a8=Q+
      1. 70...Tf2
      2. 71.Tb6+
      3. Rc5 with a winning endgame, for example:
      4. 72.Ta6
      5. Tf8+
      6. 73.Rd7
      7. Ta8
      8. 74.Rc7
      9. Rc4
      10. 75.Rb7
      11. Tg8
      12. 76.a8=Q
      1. 70...Re6 with a winning endgame, for example:
      2. 71.a8=Q
    18. 71.Tb6+
      1. 71.Rc8
      2. Tc2+
    20. 71...Rc5 with a winning endgame, for example:
      1. 71...Rd5 with a winning endgame, for example:
      2. 72.a8=Q+
      1. 71...Re5 with a winning endgame, for example:
      2. 72.Rc8
      3. Th8+
      4. 73.Rb7
      5. Rd4
      6. 74.a8=Q
    22. 72.Tc6+
    23. Rd5
    24. 73.Ta6
    25. Th8+
    26. 74.Rc7
    27. Th7+
    28. 75.Rb6
    29. Th6+
    30. 76.Rb5
    31. Th8
    32. 77.a8=Q+
  133. 66.Th8
  134. Rd7
  135. 67.Tb8
  136. Ta2
  137. 68.Rb7
  138. Tb2+
  139. 69.Ra6
  140. Ta2+
  141. 70.Rb6
  142. Tb2+
  143. 71.Rc5
1-0
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