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Puzzle 940793: Wit naar winst in het eindspel

GM Yu Yangyi (2677) - IM M. Van Delft (2430)
Tata Steel Challengers Wijk aan Zee NED, 2014.01.21
  2. 1.e4
  3. c5
  4. 2.Nf3
  5. e6
  6. 3.d4
  7. cxd4
  8. 4.Nxd4
  9. Nc6
  10. 5.Nc3
  11. Qc7
  12. 6.Be2
  13. a6
  14. 7.O-O
  15. Nf6
  16. 8.Be3
  17. Be7
  18. 9.f4
  19. d6
  20. 10.a4
  21. O-O
  22. 11.Kh1
  23. Nxd4
  24. 12.Bxd4
  25. e5
  26. 13.Bg1
  27. exf4
  28. 14.a5
  29. Be6
  30. 15.Bb6
  31. Qb8
  32. 16.Bd4
  33. Qc7
  34. 17.Rxf4
  35. Rac8
  36. 18.Bd3
  37. Nd7
  38. 19.Nd5
  39. Bxd5
  40. 20.exd5
  41. Ne5
  42. 21.Bb6
  43. Qb8
  44. 22.c4
  45. g6
  46. 23.b4
  47. Bg5
  48. 24.Re4
  49. f5
  50. 25.Rxe5
  51. dxe5
  52. 26.Be2
  53. Bf6
  54. 27.d6
  55. Kg7
  56. 28.Qd5
  57. h5
  58. 29.Rd1
  59. h4
  60. 30.d7
  61. Rcd8
  62. 31.Qe6
  63. Bg5
  64. 32.Rd6
  65. Rf6
  66. 33.Qe7+
  67. Rf7
  68. 34.Qxe5+
  69. Bf6
  70. 35.Qe6
  71. Qxd6
  72. 36.Qxd6
  73. Rfxd7
  74. 37.Qf4
  75. Re8
  76. 38.Qf3
  77. Rd2
  78. 39.Bf1
  79. Re1
  80. 40.Kg1
  81. Rdd1
  82. 41.b5
  83. Kf8
  84. 42.g4
  85. Rxf1+
  86. 43.Qxf1
  87. Rxf1+
  88. 44.Kxf1
  89. Ke7
  90. 45.gxf5
  91. gxf5
  92. 46.Kg2
  93. Bc3
  94. 47.Kf3
  95. Bd2
  96. 48.h3
  97. Kd7
  98. 49.Ke2
  99. Bg5
  100. 50.Kd3
  101. Bf6
  102. 51.Ke3
  103. Be5
  104. 52.Kf3
  105. Bg3
  106. 53.Ke2
  107. Bd6
  108. 54.Kd3
  109. Be5
  110. 55.Ke3
  111. Ke6
  112. 56.Bd8
  113. Bg3
  114. 57.Ke2
  115. Kd6
  116. 58.Bb6
  117. Kd7
  118. 59.Kd3
  119. Be5
  120. 60.Bf2
  121. Bf6
  122. 61.Be1
  123. Kd6
  124. 62.Bb4+
  125. Kd7
  126. 63.Ke3
  127. Be5
  128. 64.Be1
  129. Bf6
  130. 65.Kf4
  131. Ke6
  132. 66.Bb4
  133. Be5+
  134. 67.Kg5
  135. Bg3
  136. 68.Bc3
  137. Bf2
  138. 69.Kg6
  139. Bg3
  140. 70.Kh5
  141. Bf2
  142. 71.Kg5
  143. Bg3
  144. 72.Bd4
  145. Be1
  146. 73.Bb6
  147. Bg3
  148. 74.Bd4
  149. Be1
  150. 75.Bb6
  151. Bg3
  152. 76.Bd8
  153. Bf2
  154. 77.Kh5
  155. Be1
  156. 78.Kg5
  157. Bg3
  158. 79.Bb6
  159. Be1
  160. 80.c5
  161. Kd7
  162. 81.c6+
  163. Kc8
  164. 82.cxb7+
  165. Kxb7
  166. 83.bxa6+
  167. Kxa6
  168. 84.Kxf5
  169. Kb5
  170. 85.Kg5
  171. Bg3
  172. 86.Kg4
  173. Be1
  174. 87.Bd8
  175. Ka6
  176. 88.Bxh4
  177. Bxa5
    1. Oplossing:88...Bxa5
    2. 89.Bg3
    3. Kb5
      1. 89...Kb6
      2. 90.h4
      3. Kc6
      1. 89...Ka7 with a winning endgame, for example:
      2. 90.h4
      3. Bd2
      4. 91.h5
      5. Bh6
      6. 92.Bf4
      7. Bf8
      8. 93.Kf5
      9. Kb7
      10. 94.Kg6
      11. Kc8
      12. 95.Kf7
      13. Ba3
      14. 96.h6
      15. Kd7
      16. 97.h7
      17. Bb2
      18. 98.Bg5
      19. Bh8
      20. 99.Bf6
      21. Bxf6
      22. 100.Kxf6
      23. Ke8
      24. 101.h8=Q+
    5. 90.h4
    6. Kc6
      1. 90...Bd2
      2. 91.h5
      3. Bh6
      4. 92.Bf4
      5. Bf8
      6. 93.Kf5
      7. Kc4
      8. 94.Kg6
      9. Kd5
      10. 95.Bc1
      11. Ke6
      12. 96.Bb2
      13. Kd7
      14. 97.Bg7
      15. Ke8
      16. 98.h6
      17. Bb4
      18. 99.h7
      19. Kd7
      20. 100.h8=Q
      1. 90...Bb4 with a winning endgame, for example:
      2. 91.h5
      3. Bf8
      4. 92.Kf5
      5. Kc6
      6. 93.Kg6
      7. Kd5
      8. 94.Bh4
      9. Ke6
      10. 95.Bg5
      11. Kd7
      12. 96.Kf7
      13. Bc5
      14. 97.h6
      15. Bd4
      16. 98.h7
      17. Kc6
      18. 99.Bf6
      19. Kd5
      20. 100.h8=Q
      1. 90...Ka6 with a winning endgame, for example:
      2. 91.h5
      3. Bd2
      4. 92.Bf4
      5. Bc3
      6. 93.h6
      7. Kb7
      8. 94.Kf5
      9. Kc6
      10. 95.Be5
      11. Bd2
      12. 96.h7
      13. Kd5
      14. 97.h8=Q
    8. 91.h5
    9. Kd7
      1. 91...Bc3
      2. 92.h6
      3. Kd7
      1. 91...Bd2
      2. 92.Bf4
      3. Bc3
      4. 93.h6
      5. Kd7
      6. 94.Kf5
      7. Ke8
      8. 95.Kg6
      9. Ba1
      10. 96.h7
      11. Bd4
      12. 97.Bh6
      13. Be5
      14. 98.Bg7
      15. Bc7
      16. 99.h8=Q+
      1. 91...Kd5
      2. 92.h6
      3. Ke6
      4. 93.Be5
      5. Bd8
      6. 94.h7
      7. Bf6
      8. 95.Bxf6
      9. Kxf6
      10. 96.h8=Q+
      1. 91...Kb7 with a winning endgame, for example:
      2. 92.h6
      3. Kc6
      4. 93.Be5
      5. Bd2
      6. 94.h7
      7. Kd5
      8. 95.h8=Q
    11. 92.h6
    12. Bc3
      1. 92...Ke6
      2. 93.Be5
      3. Bd8
      4. 94.h7
      5. Bf6
      6. 95.Bxf6
      7. Kxf6
      8. 96.h8=Q+
      1. 92...Ke8
      2. 93.Be5
      3. Bd2
      4. 94.h7
      5. Kd7 with a winning endgame, for example:
      6. 95.h8=Q
      1. 92...Kc8 with a winning endgame, for example:
      2. 93.h7
      3. Bc3
      4. 94.Kf5
      5. Kd7
      6. 95.Be5
      7. Bd2
      8. 96.h8=Q
    14. 93.Kf5
      1. 93.Kg5
      2. Ke8
        1. 93...Ke7
        2. 94.Kg6
        3. Kf8
        1. 93...Ke6
        2. 94.Kg6
        3. Bd2
        4. 95.h7
        5. Bc3 with a winning endgame, for example:
        6. 96.Bf4
        7. Ba1
        8. 97.Bh6
        9. Be5
        10. 98.Bg7
        11. Bf4
        12. 99.h8=Q
        1. 93...Kc8 with a winning endgame, for example:
        2. 94.h7
        3. Kd7
        4. 95.Kf5
        5. Kc6
        6. 96.Be5
        7. Bd2
        8. 97.h8=Q
      1. 93.Kh5
      2. Ke8
        1. 93...Ke7
        2. 94.Kg6
        3. Kf8
        1. 93...Kc6 with a winning endgame, for example:
        2. 94.h7
        3. Kd7
        4. 95.Kg6
        5. Ke6
        6. 96.Bf4
        7. Ba1
        8. 97.Bh6
        9. Be5
        10. 98.Bg7
        11. Bf4
        12. 99.h8=Q
        1. 93...Ke6
        2. 94.Kg6
        3. Bd2
        4. 95.h7
        5. Bc3 with a winning endgame, for example:
        6. 96.Bf4
        7. Ba1
        8. 97.Bh6
        9. Be5
        10. 98.Bg7
        11. Bf4
        12. 99.h8=Q
        1. 93...Kc8 with a winning endgame, for example:
        2. 94.h7
        3. Kd7
        4. 95.Kg6
        5. Ke6
        6. 96.Bf4
        7. Ba1
        8. 97.Bh6
        9. Be5
        10. 98.Bg7
        11. Bf4
        12. 99.h8=Q
    16. 93...Ke8
      1. 93...Ke7
      2. 94.Kg6
      3. Kf8
    18. 94.Kg6
    19. Kf8
      1. 94...Kd7 with a winning endgame, for example:
      2. 95.h7
      3. Ke6
      4. 96.Bf4
      5. Ba1
      6. 97.Bh6
      7. Be5
      8. 98.Bg7
      9. Bf4
      10. 99.h8=Q
      1. 94...Ke7 with a winning endgame, for example:
      2. 95.h7
      3. Ke6
      4. 96.Bf4
      5. Ba1
      6. 97.Bh6
      7. Be5
      8. 98.Bg7
      9. Bf4
      10. 99.h8=Q
      1. 94...Kd8 with a winning endgame, for example:
      2. 95.Bh4+
      3. Ke8
      4. 96.h7
      5. Bd4
      6. 97.Bf6
      7. Bf2
      8. 98.h8=Q+
    21. 95.h7
    22. Ke7 with a winning endgame, for example:
      1. 95...Bh8
      2. 96.Bh4
      1. 95...Ke8
      2. 96.Bh4
      3. Bd4
      4. 97.Bf6
      5. Bf2
      6. 98.h8=Q+
    24. 96.Bf4
    25. Ke6
    26. 97.Bh6
    27. Be5
    28. 98.Bg7
    29. Bf4
    30. 99.h8=Q
  179. 89.Bg3
  180. Kb5
  181. 90.h4
  182. Kc6
  183. 91.h5
  184. Kd7
  185. 92.h6
  186. Bc3
  187. 93.Kf5
  188. Ke7
  189. 94.Kg6
  190. Kf8
  191. 95.h7
  192. Bh8
  193. 96.Bh4
1-0
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