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Puzzle 945250: As pretas empatam o final

GM Hikaru Nakamura (2786) - GM Boris Gelfand (2777)
5th Classic GpC 2013 London ENG, 2013.12.12
  2. 1.b3
  3. Cf6
  4. 2.Bb2
  5. d5
  6. 3.e3
  7. e6
  8. 4.Cf3
  9. Be7
  10. 5.d4
  11. O-O
  12. 6.Bd3
  13. c5
  14. 7.O-O
  15. Cc6
  16. 8.a3
  17. b6
  18. 9.Cbd2
  19. Bb7
  20. 10.dxc5
  21. bxc5
  22. 11.c4
  23. a5
  24. 12.cxd5
  25. exd5
  26. 13.Dc2
  27. g6
  28. 14.Tad1
  29. Cd7
  30. 15.Cb1
  31. Bf6
  32. 16.Cc3
  33. Cce5
  34. 17.Be2
  35. d4
  36. 18.Ce4
  37. Bxe4
  38. 19.Dxe4
  39. d3
  40. 20.Bxd3
  41. Cxf3+
  42. 21.Dxf3
  43. Bxb2
  44. 22.Bb5
  45. Db6
  46. 23.Bxd7
  47. Dxb3
  48. 24.Bc6
  49. Ta7
  50. 25.Bd5
  51. Dxa3
  52. 26.h4
  53. Db4
  54. 27.h5
  55. Dh4
  56. 28.De2
  57. Bg7
  58. 29.hxg6
  59. hxg6
  60. 30.Dc2
  61. a4
  62. 31.Dxg6
  63. a3
  64. 32.Ba2
  65. c4
  66. 33.Dc6
  67. c3
  68. 34.Td5
  69. Te7
  70. 35.Dc5
  71. Tfe8
  72. 36.Tf5
  73. De4
  74. 37.Tf4
  75. Da8
  76. 38.Dg5
  77. Db8
  78. 39.Dg6
  79. Dc7
  80. 40.Tc1
  81. Rf8
  82. 41.Da6
  83. Dc5
  84. 42.Td1
  85. c2
  86. 43.Tc1
  87. Td8
  88. 44.De2
  89. Tc7
  90. 45.Txc2
  91. Dxc2
  92. 46.Txf7+
  93. Re8
  94. 47.Db5+
  95. Dc6
  96. 48.Dh5
  97. Td1+
  98. 49.Dxd1
  99. Txf7
  100. 50.Bxf7+
  101. Rxf7
  102. 51.Db3+
  103. De6
  104. 52.Dxa3
  105. Dd5
  106. 53.Da4
  107. Bf6
  108. 54.g4
  109. Df3
  110. 55.Dd7+
  111. Rf8
  112. 56.Df5
  113. Dxf5
  114. 57.gxf5
  115. Rf7
  116. 58.f4
  117. Bb2
  118. 59.Rg2
  119. Rf6
  120. 60.e4
  121. Bc1
  122. 61.Rf3
  123. Bd2
  124. 62.Rg4
  125. Bc1
  126. 63.e5+
  127. Rf7
  128. 64.Rg5
  129. Bd2
  130. 65.Rg4
  131. Bc1
  132. 66.Rg5
  133. Bd2
  134. 67.f6
  135. Re6
  136. 68.Rg6
  137. Bxf4
  138. 69.f7
  139. Bh6
  140. 70.Rxh6
    1. Solução:70.Rxh6
    2. Rxf7
    3. 71.Rg5
      1. 71.Rh5 with a drawn endgame, for example:
      2. Re6
      3. 72.Rg6
      4. Rxe5
    5. 71...Re6
      1. 71...Re7
      2. 72.Rf5
        1. 72.Rf4 with a drawn endgame, for example:
        2. Re6
        3. 73.Re4
        4. Rd7
        5. 74.Rf5
        6. Re7
        7. 75.e6
        8. Re8
        9. 76.Rf6
        10. Rf8
        11. 77.e7+
        12. Re8
        13. 78.Re6 stalemate
      4. 72...Rf7
      5. 73.e6+
      6. Re8
        1. 73...Re7
        2. 74.Re5
        3. Re8
        4. 75.Rd5
          1. 75.Rd6
          2. Rd8
          3. 76.e7+
          4. Re8
          5. 77.Re6 stalemate
        6. 75...Re7
        7. 76.Re5
        8. Re8
        9. 77.Rd5
          1. 77.Rd6
          2. Rd8
          3. 78.e7+
          4. Re8
          5. 79.Re6 stalemate
        11. 77...Re7
        12. 78.Re5 Empate por repetição
      8. 74.Rf6
      9. Rf8
      10. 75.e7+
        1. 75.Re5
        2. Re7
        3. 76.Rd5
        4. Re8
        5. 77.Re5
        6. Re7
        7. 78.Rd5
        8. Re8
        9. 79.Rd6
        10. Rd8
        11. 80.e7+
        12. Re8
        13. 81.Re6 stalemate
      12. 75...Re8
      13. 76.Re6 stalemate
    7. 72.Rf4 with a drawn endgame, for example:
      1. 72.Rg6 with a drawn endgame, for example:
      2. Rxe5
    9. 72...Rf7
    10. 73.Rf5
    11. Re7
    12. 74.e6
    13. Re8
    14. 75.Rf6
    15. Rf8
    16. 76.e7+
    17. Re8
    18. 77.Re6 stalemate
  142. 70...Rxf7
  143. 71.Rg5
  144. Re6
  145. 72.Rf4
  146. Re7
  147. 73.Rf5
  148. Rf7
  149. 74.e6+
  150. Re7
  151. 75.Re5
  152. Re8
  153. 76.Rd6
  154. Rd8
  155. 77.e7+
  156. Re8
  157. 78.Re6 stalemate
1/2-1/2
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