Puzzle 711777: Zwart naar winst in het eindspel

Puzzle 711777: Zwart naar winst in het eindspel

CM Alexander Mikhnenko (2064) - Timur Safin (2222)
Panchenko Mem Open A 2022 Chelyabinsk RUS, 2022.09.15 CM Alexander Mikhnenko (2064) - Timur Safin (2222)
Panchenko Mem Open A 2022 Chelyabinsk RUS, 2022.09.15
  2. 1.Nf3
  3. d5
  4. 2.g3
  5. Bg4
  6. 3.Bg2
  7. Nf6
  8. 4.c4
  9. c6
  10. 5.Ne5
  11. Bf5
  12. 6.cxd5
  13. cxd5
  14. 7.Nc3
  15. e6
  16. 8.g4
  17. Bg6
  18. 9.h4
  19. h6
  20. 10.Nxg6
  21. fxg6
  22. 11.Qc2
  23. Kf7
  24. 12.e4
  25. dxe4
  26. 13.g5
  27. hxg5
  28. 14.hxg5
  29. Rxh1+
  30. 15.Bxh1
  31. Nd5
  32. 16.Qxe4
  33. Nc6
  34. 17.Nxd5
  35. exd5
  36. 18.Qxd5+
  37. Qxd5
  38. 19.Bxd5+
  39. Ke8
  40. 20.Be4
  41. Kf7
  42. 21.d3
  43. Nb4
  44. 22.Rb1
  45. Rd8
  46. 23.Ke2
  47. Nc2
  48. 24.Bd2
  49. Nd4+
  50. 25.Kd1
  51. Be7
  52. 26.Bxb7
  53. Ne6
  54. 27.Ba6
  55. Nxg5
  56. 28.Bc4+
  57. Kf6
  58. 29.Be3
  59. a5
  60. 30.Bb6
  61. Ra8
  62. 31.Ke2
  63. Ne6
  64. 32.Kf1
  65. Rh8
  66. 33.Kg1
  67. Nf4
  68. 34.Re1
  69. Nh3+
  70. 35.Kg2
  71. Nf4+
  72. 36.Kf3
  73. Kf5
  74. 37.Rg1
  75. g5
  76. 38.Ke3
  77. Rb8
  78. 39.Bxa5
  79. Rxb2
  80. 40.d4
  81. g4
  82. 41.Bc7
  83. Bg5
  84. 42.Bxf4
  85. Bxf4+
  86. 43.Kd3
  87. Rd2+
  88. 44.Kc3
  89. Rxf2
  90. 45.Bd5
  91. Be3
  92. 46.Kd3
  93. Kf4
  94. 47.Rxg4+
  95. Kxg4
  96. 48.Kxe3
  97. Rb2
  98. 49.a4
  99. Kg3
  100. 50.Bc6
  101. g5
  102. 51.d5
  103. g4
  104. 52.Kd4
  105. Kf4
  106. 53.d6
    1. Oplossing:53.d6
    2. Rd2+
    3. 54.Kc5
      1. 54.Kc4
      2. Rxd6
      3. 55.Bb7
      4. Rb6
    5. 54...Ke5
    6. 55.d7
      1. 55.a5
      2. Rc2+
      3. 56.Kb6
      4. Kxd6
    8. 55...g3
    9. 56.Kb6
      1. 56.Kb4
      2. Rxd7
      3. 57.Bxd7
      4. g2
      5. 58.Kb5
      6. g1=Q
      7. 59.Be8 with a winning endgame, for example:
      8. Qd4
      9. 60.Bf7
      10. Qd7+
      11. 61.Kc4
      12. Qxa4+
    11. 56...Rxd7
    12. 57.Bxd7
      1. 57.a5
      2. Rd6
    14. 57...g2
    15. 58.Kc6
    16. g1=Q
    17. 59.Be8 with a winning endgame, for example:
      1. 59.Bc8 with a winning endgame, for example:
      2. Qg6+
      3. 60.Kb5
      4. Qe8+
      5. 61.Kc4
      6. Qxa4+
      1. 59.Kb5 with a winning endgame, for example:
      2. Qd4
      3. 60.Be8
      4. Kd6
      5. 61.a5
      6. Qc5+
      7. 62.Ka4
      8. Qc3
      9. 63.Kb5
      10. Qb3+
      11. 64.Ka6
      12. Kc7
      13. 65.Bb5
      14. Qb2
      15. 66.Ba4
      16. Qb7#
      1. 59.Kb7 with a winning endgame, for example:
      2. Kd6
      3. 60.Bc6
      4. Qc1
      5. 61.Be4
      6. Qc4
      7. 62.Bh1
      8. Qxa4
    19. 59...Qf1
    20. 60.Kc7
    21. Qc4+
    22. 61.Bc6
    23. Qc5
    24. 62.Kb7
    25. Kd6
    26. 63.Be8
    27. Qa5
    28. 64.Bb5
    29. Qc7+
    30. 65.Ka6
    31. Qc8+
    32. 66.Kb6
    33. Qb8+
    34. 67.Ka6
    35. Kc5
    36. 68.Ka5
    37. Qb6#
  108. 53...g3
  109. 54.a5
  110. Rd2+
  111. 55.Kc5
  112. Ke5
  113. 56.d7
  114. Rxd7
  115. 57.a6
  116. Rc7
  117. 58.Kb6
  118. Rxc6+
  119. 59.Kxc6
  120. g2
  121. 60.a7
  122. g1=Q
  123. 61.Kb7
  124. Qb1+
  125. 62.Ka8
  126. Qe4+
  127. 63.Kb8
  128. Qb4+
  129. 64.Kc7
  130. Qc5+
  131. 65.Kb7
  132. Qb5+
  133. 66.Kc7
  134. Qa6
  135. 67.Kb8
  136. Qb6+
  137. 68.Ka8
  138. Qc6+
  139. 69.Kb8
  140. Kd6
  141. 70.a8=N
  142. Qb5+
0-1
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