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Puzzle 987330: Zwart naar winst in het eindspel

Bram Klapwijk (2226) - GM Vignir Vatnar Stefansson (2492)
HSG Open 2024 Hilversum NED, 2024.06.22
  2. 1.e4
  3. c5
  4. 2.c3
  5. Nf6
  6. 3.d3
  7. Nc6
  8. 4.Nf3
  9. e5
  10. 5.Be2
  11. d5
  12. 6.Nbd2
  13. Be7
  14. 7.O-O
  15. O-O
  16. 8.a3
  17. a5
  18. 9.a4
  19. Re8
  20. 10.Re1
  21. b6
  22. 11.Bf1
  23. Bf8
  24. 12.Qc2
  25. g6
  26. 13.Nb1
  27. h6
  28. 14.Na3
  29. Bg7
  30. 15.Nb5
  31. Be6
  32. 16.Bd2
  33. Nh5
  34. 17.g3
  35. f5
  36. 18.Nh4
  37. Kh7
  38. 19.exf5
  39. gxf5
  40. 20.d4
  41. e4
  42. 21.Qd1
  43. Nf6
  44. 22.Bf4
  45. Re7
  46. 23.Bh3
  47. Ng4
  48. 24.Nd6
  49. cxd4
  50. 25.Nhxf5
  51. Bxf5
  52. 26.Nxf5
  53. Nge5
  54. 27.Qh5
  55. Nf3+
  56. 28.Kg2
  57. Qf8
  58. 29.Nxg7
  59. Qxg7
  60. 30.Qxd5
  61. Nxe1+
  62. 31.Rxe1
  63. Qf6
  64. 32.Rxe4
  65. Rae8
  66. 33.Rxe7+
  67. Rxe7
  68. 34.cxd4
  69. Nxd4
  70. 35.Be3
  71. Nc6
  72. 36.Bf5+
  73. Kg7
  74. 37.Bd7
  75. Ne5
  76. 38.Bb5
  77. Qe6
  78. 39.Qxe6
  79. Rxe6
  80. 40.Bd4
  81. Kf8
  82. 41.f4
  83. Nf7
  84. 42.f5
  85. Rd6
  86. 43.Bc3
  87. Ng5
  88. 44.h4
  89. Ne4
  90. 45.Be5
  91. Rd2+
  92. 46.Kf3
  93. Nd6
  94. 47.Bf4
  95. Rd5
  96. 48.Bxh6+
  97. Kf7
  98. 49.Bf4
  99. Nxb5
  100. 50.axb5
  101. Rxf5
  102. 51.g4
  103. Rxb5
  104. 52.h5
  105. Rxb2
  106. 53.g5
  107. Rb3+
  108. 54.Kg4
  109. Rb4
  110. 55.Kf5
  111. Rxf4+
  112. 56.Kxf4
    1. Oplossing:56.Kxf4
    2. a4
    3. 57.Kf5
    4. a3
      1. 57...Kf8
      2. 58.Ke4
        1. 58.Ke5
        2. a3
        3. 59.Kd5 with a winning endgame, for example:
        4. a2
        5. 60.Ke5
        6. a1=Q+
        1. 58.Kg6
        2. Kg8
        3. 59.Kf6
        4. a3
        1. 58.h6
        2. a3
        3. 59.Kf6
        4. a2
        5. 60.Ke5 with a winning endgame, for example:
        6. Kf7
        7. 61.Kf5
        8. a1=Q
      4. 58...a3
      5. 59.h6 with a winning endgame, for example:
        1. 59.Kd5 with a winning endgame, for example:
        2. a2
        3. 60.Ke5
        4. a1=Q+
      7. 59...Kg8
      8. 60.g6
      9. a2
      10. 61.Kd5
      11. a1=Q
      1. 57...Kg8
      2. 58.Ke5
        1. 58.Ke6
        2. b5
        3. 59.g6
        4. a3
        1. 58.Kg6
        2. b5
        3. 59.Kf5 with a winning endgame, for example:
        4. a3
        5. 60.Ke5
        6. a2
        7. 61.Kd5
        8. a1=Q
      4. 58...a3
      5. 59.Kd5 with a winning endgame, for example:
        1. 59.Kd6 with a winning endgame, for example:
        2. a2
        3. 60.Kc6
        4. a1=Q
      7. 59...Kh7
      8. 60.g6+
      9. Kg7
      10. 61.Kc6
      11. a2
      12. 62.Kb5
      13. a1=Q
    6. 58.Ke4 with a winning endgame, for example:
      1. 58.h6
      2. a2
      3. 59.g6+ with a winning endgame, for example:
      4. Kg8
      5. 60.Ke4
      6. a1=Q
      1. 58.g6+ with a winning endgame, for example:
      2. Kg8
      3. 59.Kf6
      4. a2
      5. 60.Ke5
      6. b5
      7. 61.Kd4
      8. a1=Q+
    8. 58...b5
    9. 59.g6+
    10. Kf6
    11. 60.Kd5
    12. a2
    13. 61.g7
    14. Kxg7
    15. 62.Kc5
    16. a1=Q
  114. 56...a4
  115. 57.Kf5
  116. a3
  117. 58.g6+
  118. Kg7
  119. 59.Kg5
  120. a2
  121. 60.h6+
  122. Kg8
0-1
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