Puzzle 905305: Wit naar winst in het eindspel

IM Marcus R Harvey (2462) - Steven A Jones (2174)
English Championship Kenilworth, ENG (2), 2023.05.26
  1. 1.c4
  2. e5
  3. 2.Nc3
  4. Nf6
  5. 3.Nf3
  6. Nc6
  7. 4.e3
  8. d5
  9. 5.cxd5
  10. Nxd5
  11. 6.Bb5
  12. Nxc3
  13. 7.bxc3
  14. Bd6
  15. 8.d4
  16. Bd7
  17. 9.Rb1
  18. O-O
  19. 10.Nxe5
  20. Bxe5
  21. 11.dxe5
  22. Bf5
  23. 12.Qxd8
  24. Rfxd8
  25. 13.Rb2
  26. Nxe5
  27. 14.f3
  28. Bd3
  29. 15.e4
  30. Bxb5
  31. 16.Rxb5
  32. Nd3+
  33. 17.Ke2
  34. Nxc1+
  35. 18.Rxc1
  36. b6
  37. 19.c4
  38. Rd4
  39. 20.Rd5
  40. Rd8
  41. 21.Ke3
  42. c5
  43. 22.Rxd8+
  44. Rxd8
  45. 23.Rc3
  46. Kf8
  47. 24.Rd3
  48. Ke7
  49. 25.Rxd8
  50. Kxd8
  51. 26.e5
  52. Kd7
  53. 27.f4
  54. a6
  55. 28.a4
  56. Kc6
  57. 29.f5
  58. f6
  59. 30.exf6
  60. gxf6
  61. 31.g4
  62. h6
  63. 32.h4
  64. Kd6
  65. 33.Kf4
  66. b5
  67. 34.cxb5
  68. axb5
  69. 35.axb5
  70. Kd5
  71. 36.g5
  72. hxg5+
  73. 37.hxg5
  74. fxg5+
  75. 38.Kxg5
  76. c4
  77. 39.Kf4
  78. Kd4
    1. Oplossing:39...Kd4
    2. 40.Kf3
    3. c3
      1. 40...Kd3
      2. 41.b6
      3. c3
      4. 42.b7
      5. c2
      6. 43.b8=Q
      7. c1=Q
      1. 40...Kc5 with a winning endgame, for example:
      2. 41.f6
      3. Kd6
      4. 42.b6
      5. c3
      6. 43.b7
      7. Kc7
      8. 44.f7
      9. c2
      10. 45.f8=Q
    4. 41.Ke2
    5. c2
    6. 42.Kd2
    7. Kc5
      1. 42...c1=Q+
      2. 43.Kxc1
      1. 42...c1=R
      2. 43.Kxc1
      1. 42...Kc4 with a winning endgame, for example:
      2. 43.Kxc2
    8. 43.Kxc2
      1. 43.f6
      2. Kxb5
        1. 43...c1=Q+
        2. 44.Kxc1
        1. 43...c1=R
        2. 44.Kxc1
      3. 44.Kxc2
        1. 44.f7
        2. Ka5
          1. 44...c1=Q+
          2. 45.Kxc1
          3. Kc6
          4. 46.f8=Q
          1. 44...c1=R
          2. 45.Kxc1
          3. Kc6
          4. 46.f8=Q
          1. 44...Ka6
          2. 45.f8=Q
          3. c1=Q+
          4. 46.Kxc1
        3. 45.f8=Q
          1. 45.Kxc2
          2. Ka6
            1. 45...Kb6
            2. 46.f8=Q
            1. 45...Kb4
            2. 46.f8=Q+
          3. 46.f8=Q
            1. 46.f8=R
          1. 45.f8=R
          2. Ka4
            1. 45...c1=Q+
            2. 46.Kxc1
            1. 45...c1=B+
            2. 46.Kxc1
            1. 45...Ka6 with a winning endgame, for example:
            2. 46.Kxc2
          3. 46.Rb8
            1. 46.Kxc2
          4. 46...Ka3
            1. 46...c1=Q+
            2. 47.Kxc1
            1. 46...c1=R
            2. 47.Kxc1
            1. 46...c1=B+
            2. 47.Kxc1
            1. 46...Ka5
            2. 47.Kxc2
          5. 47.Kxc2
        4. 45...Kb6 with a winning endgame, for example:
          1. 45...c1=Q+
          2. 46.Kxc1
          1. 45...Ka6 with a winning endgame, for example:
          2. 46.Kxc2
        5. 46.Kxc2
      4. 44...Kc6
      5. 45.f7
      6. Kd6
        1. 45...Kd7
        2. 46.f8=Q
      7. 46.f8=Q+
        1. 46.f8=R
    9. 43...Kxb5
    10. 44.f6
    11. Kc6
    12. 45.f7
    13. Kd6
      1. 45...Kd7
      2. 46.f8=Q
    14. 46.f8=Q+
      1. 46.f8=R
  79. 40.Kf3
  80. Kc5
  81. 41.f6
  82. Kxb5
  83. 42.Ke2
1-0
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