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Puzzle 859425: As brancas empatam o final

CM Mahmoud Alhadad (1840) - FM Gerson Principe (2229)
Titled Tue 8th Nov Early chess.com INT (1), 2022.11.08
  2. 1.e4
  3. c5
  4. 2.Cc3
  5. e6
  6. 3.f4
  7. Cc6
  8. 4.Bb5
  9. Cd4
  10. 5.Cf3
  11. Cxb5
  12. 6.Cxb5
  13. a6
  14. 7.Cc3
  15. d5
  16. 8.e5
  17. Ce7
  18. 9.d3
  19. Cc6
  20. 10.O-O
  21. Be7
  22. 11.Ce2
  23. O-O
  24. 12.c3
  25. f6
  26. 13.d4
  27. Bd7
  28. 14.Be3
  29. cxd4
  30. 15.cxd4
  31. Db6
  32. 16.Db3
  33. Dxb3
  34. 17.axb3
  35. Tac8
  36. 18.Tfc1
  37. Cb4
  38. 19.Ce1
  39. fxe5
  40. 20.dxe5
  41. h6
  42. 21.g3
  43. g5
  44. 22.Cd4
  45. gxf4
  46. 23.gxf4
  47. Rh7
  48. 24.Rf1
  49. Bg5
  50. 25.Txc8
  51. Bxc8
  52. 26.Cg2
  53. Cd3
  54. 27.Re2
  55. Cxf4+
  56. 28.Bxf4
  57. Bxf4
  58. 29.Cxf4
  59. Txf4
  60. 30.Tc1
  61. Txd4
  62. 31.Txc8
  63. Te4+
  64. 32.Rd3
  65. Txe5
  66. 33.Tc7+
  67. Rg6
  68. 34.Txb7
  69. Th5
  70. 35.Tb6
  71. Rf5
  72. 36.Txa6
  73. Txh2
  74. 37.Rc3
  75. e5
  76. 38.b4
  77. d4+
  78. 39.Rb3
  79. Re4
  80. 40.Td6
  81. h5
  82. 41.b5
  83. Tf2
  84. 42.Th6
  85. Re3
  86. 43.Txh5
  87. d3
  88. 44.Txe5+
  89. Rd4
  90. 45.Te1
  91. d2
  92. 46.Td1
  93. Rd3
  94. 47.Ra4
  95. Rc2
  96. 48.Txd2+
  97. Txd2
  98. 49.Ra5
  99. Rb3
  100. 50.b6
  101. Txb2
    1. Solução:50...Txb2
    2. 51.Rb5
    3. Tb1
      1. 51...Rc3+
      2. 52.Rc6
      3. Rb4
      4. 53.b7
      5. Ra4
      6. 54.Rc7
      7. Tb4 with a drawn endgame, for example:
      8. 55.b8=Q
      9. Txb8
      10. 56.Rxb8
      1. 51...Ra3+
      2. 52.Rc6
      3. Rb4
      4. 53.b7
      5. Ra4
      6. 54.Rc7
      7. Tb4 with a drawn endgame, for example:
      8. 55.b8=Q
      9. Txb8
      10. 56.Rxb8
    5. 52.b7
      1. 52.Rc6
      2. Rb4
        1. 52...Ra4
        2. 53.b7
        3. Tb2
        4. 54.Rc7
        5. Tb4 with a drawn endgame, for example:
        6. 55.b8=Q
        7. Txb8
        8. 56.Rxb8
      4. 53.b7
        1. 53.Rc7
        2. Tc1+ with a drawn endgame, for example:
          1. 53...Rc4
          2. 54.b7
          3. Rc5
          4. 55.b8=Q
          5. Txb8
          6. 56.Rxb8
          1. 53...Ra5
          2. 54.b7
          3. Ra6 with a drawn endgame, for example:
          4. 55.b8=Q
          5. Txb8
          6. 56.Rxb8
        4. 54.Rd8
        5. Tg1
        6. 55.b7
        7. Tg8+
        8. 56.Rc7
        9. Rc5
        10. 57.b8=R
        11. Tg7+
      6. 53...Ra4
        1. 53...Rc4
        2. 54.Rc7
        3. Rc5
        4. 55.b8=Q
        5. Txb8
        6. 56.Rxb8
        1. 53...Ra5
        2. 54.Rc7
        3. Ra6 with a drawn endgame, for example:
        4. 55.b8=Q
        5. Txb8
        6. 56.Rxb8
      8. 54.Rc7
      9. Tb5 with a drawn endgame, for example:
        1. 54...Txb7+
        2. 55.Rxb7
        1. 54...Tc1+ with a drawn endgame, for example:
        2. 55.Rb6
        3. Tc2
        4. 56.b8=Q
        5. Tb2+
      11. 55.Rc8
      12. Tb4
      13. 56.b8=Q
      14. Txb8+
      15. 57.Rxb8
    7. 52...Ra3+
      1. 52...Rc3+
      2. 53.Rc6
      3. Rc4
      4. 54.Rc7
      5. Rc5
      6. 55.b8=Q
      7. Txb8
      8. 56.Rxb8
    9. 53.Ra6
      1. 53.Rc6
      2. Ra4
        1. 53...Txb7
        2. 54.Rxb7
      4. 54.Rc7
      5. Tb5 with a drawn endgame, for example:
        1. 54...Txb7+
        2. 55.Rxb7
        1. 54...Tc1+ with a drawn endgame, for example:
        2. 55.Rb6
        3. Tc2
        4. 56.b8=Q
        5. Tb2+
      7. 55.Rc8
      8. Tb4
      9. 56.b8=Q
      10. Txb8+
      11. 57.Rxb8
    11. 53...Tb4
      1. 53...Ra4
      2. 54.Ra7
      3. Txb7+
      4. 55.Rxb7
    13. 54.Ra7
    14. Rb3 with a drawn endgame, for example:
      1. 54...Txb7+
      2. 55.Rxb7
      1. 54...Ta4+
      2. 55.Rb6
      3. Tb4+ with a drawn endgame, for example:
      4. 56.Ra6
      5. Ra4
      6. 57.Ra7
      7. Ra5
      8. 58.b8=Q
      9. Txb8
      10. 59.Rxb8
    16. 55.Rb8
    17. Tc4
    18. 56.Ra8
    19. Ta4+
    20. 57.Rb8
    21. Tg4
    22. 58.Rc7
    23. Tb4
    24. 59.b8=Q
    25. Txb8
    26. 60.Rxb8
  103. 51.b7
  104. Rc4
  105. 52.Ra6
  106. Rc5
  107. 53.Ra7
  108. Ta2+
  109. 54.Rb8
  110. Rb6
  111. 55.Rc8
  112. Tc2+
  113. 56.Rb8
  114. Ta2
  115. 57.Rc8
  116. Tc2+
  117. 58.Rb8
  118. Th2
  119. 59.Ra8
  120. Ta2+
  121. 60.Rb8
  122. Ta7
  123. 61.Rc8
  124. Txb7
  125. 62.Rd8
  126. Tc7
  127. 63.Re8
  128. Rc6
  129. 64.Rf8
  130. Rd6
  131. 65.Re8
  132. Td7
  133. 66.Rf8
  134. Re6
  135. 67.Rg8
  136. Te7
  137. 68.Rf8
  138. Rf6
  139. 69.Rg8
  140. Tf7
  141. 70.Rh8
  142. Rg6
  143. 71.Rg8
  144. Tf5
  145. 72.Rh8
  146. Tf8#
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