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Puzzle 994501: Wit naar winst in het eindspel

Paulo A Pereira Cruz (2003) - Jose Duarte Santos
Lisbon-ch fin Odivelas (10), 2001
  2. 1.e4
  3. d5
  4. 2.exd5
  5. Qxd5
  6. 3.Nc3
  7. Qd8
  8. 4.Nf3
  9. Nf6
  10. 5.Bc4
  11. Bf5
  12. 6.d3
  13. e6
  14. 7.O-O
  15. Bg4
  16. 8.h3
  17. Bh5
  18. 9.Bg5
  19. c6
  20. 10.Ne4
  21. Be7
  22. 11.Ng3
  23. Bxf3
  24. 12.Qxf3
  25. Nbd7
  26. 13.Rae1
  27. Qa5
  28. 14.Bxf6
  29. Nxf6
  30. 15.Qe2
  31. Nd5
  32. 16.f4
  33. Bc5+
  34. 17.Kh1
  35. O-O-O
  36. 18.c3
  37. Qc7
  38. 19.d4
  39. Be7
  40. 20.Bxd5
  41. cxd5
  42. 21.Rc1
  43. Qc4
  44. 22.Qd2
  45. Kb8
  46. 23.b3
  47. Qb5
  48. 24.f5
  49. Bd6
  50. 25.Ne2
  51. e5
  52. 26.c4
  53. Qb4
  54. 27.Qxb4
  55. Bxb4
  56. 28.dxe5
  57. d4
  58. 29.Rfd1
  59. Ba3
  60. 30.Rb1
  61. d3
  62. 31.Nf4
  63. d2
  64. 32.Kg1
  65. Rhe8
  66. 33.e6
  67. fxe6
  68. 34.fxe6
  69. g5
  70. 35.Nd5
  71. Bc1
  72. 36.e7
  73. Rd6
  74. 37.Rbxc1
  75. Rxd5
  76. 38.Rc2
  77. Rxe7
  78. 39.Rdxd2
  79. Rde5
  80. 40.Kf2
  81. Rf7+
  82. 41.Kg3
  83. Kc7
  84. 42.Re2
  85. Ref5
  86. 43.Rf2
  87. h5
  88. 44.Rxf5
  89. Rxf5
  90. 45.h4
  91. g4
  92. 46.Rf2
  93. Ra5
  94. 47.Kf4
  95. Kd6
  96. 48.Rd2+
  97. Ke6
  98. 49.a4
  99. Rf5+
  100. 50.Kg3
  101. Re5
  102. 51.Kf4
  103. Rf5+
  104. 52.Ke4
  105. Re5+
  106. 53.Kd3
  107. Re1
  108. 54.Re2+
  109. Rxe2
  110. 55.Kxe2
  111. a5
  112. 56.Ke3
  113. Ke5
  114. 57.g3
  115. b6
  116. 58.Kd3
  117. Kd6
  118. 59.Ke4
  119. Kc6
  120. 60.Ke5
  121. Kc5
  122. 61.Kf5
  123. Kd4
  124. 62.Kf4
  125. Kd3
  126. 63.Kg5
  127. Ke3
  128. 64.Kxh5
  129. Kf3
  130. 65.Kg6
  131. Kxg3
  132. 66.h5
  133. Kf4
  134. 67.h6
  135. g3
  136. 68.h7
  137. g2
  138. 69.h8=Q
  139. g1=Q+
  140. 70.Kf7
  141. Ke4
  142. 71.Qa8+
  143. Kd4
  144. 72.Qf3
  145. Kc5
  146. 73.Qd5+
  147. Kb4
  148. 74.Qb5+
  149. Ka3
  150. 75.Ke6
  151. Qd4
  152. 76.Ke7
  153. Qc5+
  154. 77.Kd7
  155. Qxb5+
  156. 78.axb5
  157. Kxb3
  158. 79.c5
  159. a4
  160. 80.cxb6
  161. a3
  162. 81.b7
  163. a2
  164. 82.b8=Q
  165. a1=Q
  166. 83.b6
  167. Qa4+
  168. 84.Kc7
  169. Kb4
    1. Oplossing:84...Kb4
    2. 85.Qf8+
    3. Kb3 with a winning endgame, for example:
      1. 85...Ka5
      2. 86.Qa8+
      3. Kb5 with a winning endgame, for example:
      4. 87.Qxa4+
      1. 85...Kb5
      2. 86.Qe8+
      3. Ka5 with a winning endgame, for example:
      4. 87.Qxa4+
      1. 85...Kc3 with a winning endgame, for example:
      2. 86.Qc5+
      3. Kb2
      4. 87.b7
      5. Qf4+
      6. 88.Kb6
      7. Ka1
      8. 89.Qa5+
      9. Kb1
      10. 90.Ka7
      11. Qf7
      12. 91.Ka6
      13. Qf8
      14. 92.Qb5+
      15. Kc2
      16. 93.b8=Q
      1. 85...Kc4 with a winning endgame, for example:
      2. 86.Qf4+
      3. Kb5
      4. 87.Qxa4+
    5. 86.Qf3+
    6. Ka2
    7. 87.Qd5+
    8. Ka1
    9. 88.b7
    10. Qf4+
    11. 89.Qd6
    12. Qf7+
    13. 90.Kb8
    14. Ka2
    15. 91.Qa6+
    16. Kb3
    17. 92.Qa5
    18. Qf2
    19. 93.Ka8
    20. Qg2
    21. 94.Ka7
    22. Qg7
    23. 95.Ka6
    24. Qh8
    25. 96.Qb5+
    26. Kc2
    27. 97.b8=Q
  171. 85.Qf8+
  172. Ka5
  173. 86.Qc5+
  174. Ka6
  175. 87.b7
  176. Qf4+
  177. 88.Kc8
  178. Qb8+
  179. 89.Kxb8 stalemate
1/2-1/2
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