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Puzzle 545604: As pretas defendem

FM Maksim Omariev (2304) - Andrei-Mihai Bonte (2333)
Titled Tuesday 12th Oct chess.com INT (11), 2021.10.12
  2. 1.g4
  3. e6
  4. 2.Bg2
  5. c5
  6. 3.h4
  7. Be7
  8. 4.g5
  9. d5
  10. 5.d3
  11. Cc6
  12. 6.Cc3
  13. h5
  14. 7.e4
  15. g6
  16. 8.exd5
  17. Cd4
  18. 9.Cge2
  19. Cf5
  20. 10.dxe6
  21. Bxe6
  22. 11.Bxb7
  23. Tb8
  24. 12.Bc6+
  25. Rf8
  26. 13.Cf4
  27. Bd7
  28. 14.Bd5
  29. Bd6
  30. 15.Ce4
  31. Be5
  32. 16.c3
  33. Dc7
  34. 17.Df3
  35. Cge7
  36. 18.Bb3
  37. Rg7
  38. 19.Be3
  39. a5
  40. 20.Cxc5
  41. Cxe3
  42. 21.Cxd7
  43. Bxc3+
  44. 22.Re2
  45. C3f5
  46. 23.bxc3
  47. Dxc3
  48. 24.Tac1
  49. Dd4
  50. 25.Cc5
  51. Tbc8
  52. 26.De4
  53. Db2+
  54. 27.Rf3
  55. Cxh4+
  56. 28.Txh4
  57. Dxc1
  58. 29.De5+
  59. Rh7
  60. 30.Cce6
  61. fxe6
  62. 31.Dxe6
  63. Dc6+
  64. 32.Dxc6
  65. Txc6
  66. 33.Ce6
  67. Cf5
  68. 34.Tf4
  69. Te8
  70. 35.d4
  71. Tcxe6
  72. 36.Bxe6
  73. Txe6
  74. 37.d5
  75. Te5
  76. 38.d6
  77. Td5
  78. 39.Ta4
  79. h4
  80. 40.Rg4
  81. Rg7
  82. 41.d7
  83. Txd7
  84. 42.Txa5
  85. Td4+
  86. 43.Rh3
  87. Td3+
  88. 44.Rg4
  89. h3
  90. 45.Ta7+
  91. Rf8
  92. 46.Ta8+
  93. Rg7
  94. 47.Ta7+
  95. Rg8
  96. 48.Ta8+
  97. Rf7
  98. 49.Th8
  99. Rg7
  100. 50.Txh3
  101. Txh3
  102. 51.Rxh3
  103. Rf7
  104. 52.Rg4
  105. Re6
  106. 53.Rf4
  107. Rd5
  108. 54.a4
  109. Cd4
  110. 55.a5
  111. Ce6+
  112. 56.Rg4
  113. Cc5
  114. 57.f4
  115. Re4
  116. 58.f5
  117. gxf5+
  118. 59.Rh5
  119. f4
  120. 60.g6
  121. Ce6
  122. 61.a6
    1. Solução:61.a6
      1. Ameaçando:
      2. 62.a7
      3. Rf5
      4. 63.a8=Q
    3. f3
    4. 62.a7
    5. Cc7
    6. 63.g7
      1. 63.a8=Q+
      2. Cxa8
      3. 64.g7
      4. f2
      5. 65.g8=Q
      6. f1=Q
      7. 66.De6+
      8. Rd4
    8. 63...f2
    9. 64.g8=Q
      1. 64.a8=Q+
      2. Cxa8
      3. 65.g8=Q
      4. f1=Q
      5. 66.De6+
      6. Rd4
    11. 64...f1=Q
    12. 65.a8=Q+
      1. 65.a8=R with a drawn endgame, for example:
      2. Cxa8
      3. 66.Dxa8+
    14. 65...Cxa8
    15. 66.De6+
    16. Rd4
      1. 66...Rf3
      2. 67.Df6+
        1. 67.Df5+
        2. Rg2
      4. 67...Re2
        1. 67...Rg2
        2. 68.Dxf1+
        3. Rxf1
      6. 68.Da6+
        1. 68.Dxf1+
        2. Rxf1
      8. 68...Re1
        1. 68...Rf2
        2. 69.Dxf1+
        3. Rxf1
      10. 69.Da1+
        1. 69.Dxf1+
        2. Rxf1
      12. 69...Rf2
        1. 69...Re2
        2. 70.Da6+
          1. 70.Dxf1+
          2. Rxf1
        4. 70...Re1
          1. 70...Rf2
          2. 71.Dxf1+
          3. Rxf1
        6. 71.Da1+
          1. 71.Dxf1+
          2. Rxf1
        8. 71...Rf2
          1. 71...Re2
          2. 72.Dxf1+
          3. Rxf1
        10. 72.Dxf1+
        11. Rxf1
      14. 70.Dxf1+
      15. Rxf1
  124. 61...f3
  125. 62.a7
  126. Cc7
  127. 63.g7
  128. f2
  129. 64.g8=Q
  130. f1=Q
  131. 65.Dg4+
  132. Re3
  133. 66.Dg3+
1-0
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