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Puzzle 940959: Zwart naar winst in het eindspel

GM Ern Fernandez Romero (2508) - GM L. Supi (2572)
Iberoamericano Chess24 chess24.com INT, 2020.06.01
  2. 1.e4
  3. c5
  4. 2.c3
  5. Nf6
  6. 3.e5
  7. Nd5
  8. 4.d4
  9. cxd4
  10. 5.Nf3
  11. e6
  12. 6.cxd4
  13. d6
  14. 7.Bc4
  15. Be7
  16. 8.O-O
  17. O-O
  18. 9.Qe2
  19. b6
  20. 10.Bxd5
  21. exd5
  22. 11.Rd1
  23. Be6
  24. 12.Nc3
  25. Nc6
  26. 13.Bf4
  27. Rc8
  28. 14.h3
  29. Re8
  30. 15.Rac1
  31. Qd7
  32. 16.Nb5
  33. Bf5
  34. 17.Nc3
  35. dxe5
  36. 18.dxe5
  37. d4
  38. 19.Ne4
  39. Qd5
  40. 20.Ng3
  41. Bg6
  42. 21.a3
  43. d3
  44. 22.Qd2
  45. Na5
  46. 23.Rxc8
  47. Rxc8
  48. 24.Bg5
  49. Bf8
  50. 25.h4
  51. h6
  52. 26.h5
  53. Bh7
  54. 27.Bh4
  55. Rc2
  56. 28.Qf4
  57. Bc5
  58. 29.Nf5
  59. Rc4
  60. 30.N3d4
  61. Bxf5
  62. 31.Qxf5
  63. Rxd4
  64. 32.Qc8+
  65. Kh7
  66. 33.Qf5+
  67. g6
  68. 34.hxg6+
  69. fxg6
  70. 35.Qf6
  71. Nc4
  72. 36.e6
  73. Qf5
  74. 37.e7
  75. Qxf6
  76. 38.Bxf6
  77. Re4
  78. 39.Rxd3
  79. g5
  80. 40.Rd8
  81. Re1+
  82. 41.Kh2
  83. Bxe7
  84. 42.Rd7
  85. Kg6
  86. 43.Bxe7
  87. Ne5
  88. 44.Rxa7
  89. Nc6
  90. 45.Rb7
  91. Nxe7
  92. 46.Rxb6+
  93. Kg7
  94. 47.a4
  95. Re2
  96. 48.f3
  97. Nd5
  98. 49.Rb7+
  99. Kg6
  100. 50.a5
  101. Nf4
  102. 51.a6
  103. Rxg2+
  104. 52.Kh1
  105. Rd2
  106. 53.a7
  107. Rd1+
  108. 54.Kh2
  109. Ra1
  110. 55.b4
  111. Ra2+
  112. 56.Kg1
  113. Kh5
  114. 57.b5
  115. Kh4
  116. 58.Kf1
  117. Kg3
  118. 59.Ke1
  119. Nd5
  120. 60.b6
  121. Nxb6
  122. 61.Rxb6
  123. Rxa7
  124. 62.Rxh6
  125. Kxf3
  126. 63.Rf6+
  127. Kg3
  128. 64.Rb6
  129. g4
  130. 65.Kf1
  131. Ra1+
  132. 66.Ke2
  133. Kg2
  134. 67.Ke3
  135. g3
  136. 68.Rb2+
  137. Kg1
  138. 69.Kf3
    1. Oplossing:69.Kf3
    2. Ra3+
    3. 70.Kg4 with a winning endgame, for example:
      1. 70.Rb3
      2. Rxb3+
      1. 70.Ke2 with a winning endgame, for example:
      2. g2
      3. 71.Rb1+
      4. Kh2
      5. 72.Kf2
      6. Rg3
      7. 73.Re1
      8. g1=Q+
      1. 70.Ke4 with a winning endgame, for example:
      2. g2
      3. 71.Rb1+
      4. Kh2
      5. 72.Rb2
      6. Rg3
      7. 73.Kf4
      8. Kh3
      9. 74.Rb1
      10. g1=Q
      1. 70.Kf4 with a winning endgame, for example:
      2. g2
      3. 71.Rb1+
      4. Kh2
      5. 72.Rb2
      6. Rg3
      7. 73.Ra2
      8. Kh3
      9. 74.Ra1
      10. g1=Q
    5. 70...g2
    6. 71.Rb5
    7. Rd3
    8. 72.Rf5
    9. Rd8
    10. 73.Kf3
    11. Rh8
    12. 74.Rg5
    13. Kf1
    14. 75.Rxg2
    15. Rf8+
    16. 76.Kg3
    17. Rg8+
    18. 77.Kf4
    19. Kxg2
  140. 69...Ra3+
  141. 70.Kg4
  142. g2
  143. 71.Rb1+
  144. Kh2
  145. 72.Rb2
  146. Kh1
0-1
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