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Puzzle 686637: Wit naar winst in het eindspel

IM Alexander Katz (2412) - Florian Grezels (2221)
3rd Tras-os-Montes Open Mirandela POR, 2022.08.18
  2. 1.e4
  3. c5
  4. 2.Nf3
  5. e6
  6. 3.d4
  7. cxd4
  8. 4.Nxd4
  9. Nc6
  10. 5.Bf4
  11. d6
  12. 6.Nxc6
  13. bxc6
  14. 7.c4
  15. e5
  16. 8.Be3
  17. Nf6
  18. 9.Nc3
  19. Be7
  20. 10.Be2
  21. O-O
  22. 11.O-O
  23. Be6
  24. 12.Qa4
  25. Qc8
  26. 13.Rfd1
  27. Qb7
  28. 14.Rd2
  29. Ng4
  30. 15.Bxg4
  31. Bxg4
  32. 16.f3
  33. Be6
  34. 17.Rad1
  35. a5
  36. 18.Ne2
  37. Rfd8
  38. 19.Qc2
  39. Qb4
  40. 20.Rc1
  41. d5
  42. 21.cxd5
  43. cxd5
  44. 22.exd5
  45. Rxd5
  46. 23.Rxd5
  47. Bxd5
  48. 24.Nc3
  49. Be6
  50. 25.a3
  51. Qb7
  52. 26.Qe4
  53. Qxe4
  54. 27.Nxe4
  55. Rb8
  56. 28.Bc5
  57. Bxc5+
  58. 29.Nxc5
  59. Rxb2
  60. 30.Nxe6
  61. fxe6
  62. 31.Rc5
  63. Ra2
  64. 32.Rxa5
  65. Kf7
  66. 33.h4
  67. Kf6
  68. 34.Kh2
  69. h5
  70. 35.Kg3
  71. Re2
  72. 36.Ra4
  73. g6
  74. 37.Re4
  75. Ra2
  76. 38.Re3
  77. Kf5
  78. 39.Kh3
  79. Kf4
  80. 40.Re4+
  81. Kf5
  82. 41.a4
  83. Ra3
  84. 42.Kg3
  85. Ra2
  86. 43.Rb4
  87. Kf6
  88. 44.Kh2
  89. Kf5
  90. 45.Kh3
  91. Ra3
  92. 46.Kg3
  93. Ra2
  94. 47.Kh2
  95. Rc2
  96. 48.Kh3
  97. Rc3
  98. 49.a5
  99. Ra3
  100. 50.Rb5
  101. Kf4
  102. 51.Kh2
  103. Ra4
  104. 52.Rc5
  105. Ra2
  106. 53.Kh3
  107. Ra4
  108. 54.Rc8
  109. e4
  110. 55.fxe4
  111. Kxe4
  112. 56.Rg8
  113. Rxa5
  114. 57.Rxg6
  115. Re5
  116. 58.g4
  117. hxg4+
  118. 59.Kxg4
  119. Kd5
  120. 60.Rg5
  121. Rxg5+
  122. 61.hxg5
  123. e5
  124. 62.Kf5
  125. Kd6
    1. Oplossing:62...Kd6
    2. 63.g6
    3. Ke7
      1. 63...e4
      2. 64.g7
      3. Kc5
      4. 65.Kxe4
      5. Kd6
      6. 66.g8=Q
    5. 64.Kxe5
    6. Ke8
      1. 64...Kf8
      2. 65.Kf6
      3. Kg8
      4. 66.g7
      5. Kh7
      6. 67.Kf7 Matnet
      7. Kh6
      8. 68.g8=Q
    8. 65.Ke6
      1. 65.Kf5
      2. Ke7
        1. 65...Kf8
        2. 66.Kf6
        3. Kg8
        4. 67.g7
        5. Kh7
        6. 68.Kf7 Matnet
        7. Kh6
        8. 69.g8=Q
      4. 66.Ke5
        1. 66.Kg5
        2. Ke8
        3. 67.Kf5
          1. 67.Kh5
          2. Kf8
            1. 67...Ke7
            2. 68.Kh6
            3. Kf6
            4. 69.Kh7
            5. Kg5
            6. 70.g7
            7. Kf6
            8. 71.g8=Q
          4. 68.Kh6
          5. Kg8
          6. 69.g7
          7. Kf7
          8. 70.Kh7
          9. Kf6
          10. 71.g8=Q
            1. 71.g8=R
          1. 67.Kh6
          2. Kf8
            1. 67...Ke7 with a winning endgame, for example:
            2. 68.g7
            3. Kf7
            4. 69.Kh7
            5. Kf6
            6. 70.g8=Q
          4. 68.Kh7
          5. Ke8 with a winning endgame, for example:
            1. 68...Ke7 with a winning endgame, for example:
            2. 69.g7
            3. Kf7
            4. 70.g8=Q+
          7. 69.g7
          8. Kf7
          9. 70.g8=Q+
        5. 67...Ke7
      6. 66...Ke8
    10. 65...Kf8
    11. 66.Kf6
    12. Kg8
    13. 67.g7
    14. Kh7
    15. 68.Kf7 Matnet
    16. Kh6
    17. 69.g8=Q
      1. 69.g8=R
  127. 63.g6
  128. Ke7
  129. 64.Kxe5
  130. Ke8
  131. 65.Ke6
  132. Kf8
  133. 66.Kf6
  134. Kg8
  135. 67.g7
1-0
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