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Puzzle 120020: Zwart naar Verdedig

Arthur Howard Williams (2390) - Fatos Muco (2445)
25th olm final Lucerne SUI (14), 1982.11.15
  2. 1.d4
  3. Nf6
  4. 2.c4
  5. e6
  6. 3.Nc3
  7. d5
  8. 4.Nf3
  9. c5
  10. 5.cxd5
  11. Nxd5
  12. 6.e3
  13. cxd4
  14. 7.exd4
  15. Be7
  16. 8.Bd3
  17. Nc6
  18. 9.O-O
  19. O-O
  20. 10.Re1
  21. Nf6
  22. 11.a3
  23. b6
  24. 12.Bc2
  25. Ba6
  26. 13.Bg5
  27. Rc8
  28. 14.Qd2
  29. Re8
  30. 15.Rad1
  31. Bb7
  32. 16.Qf4
  33. h6
  34. 17.Bxh6
  35. gxh6
  36. 18.d5
  37. exd5
  38. 19.Qxh6
  39. Bf8
  40. 20.Rxe8
  41. Qxe8
  42. 21.Qxf6
  43. Bg7
  44. 22.Qg5
  45. d4
  46. 23.Re1
  47. Qd8
  48. 24.Qh5
  49. dxc3
  50. 25.Ng5
  51. Qd7
  52. 26.Bb3
  53. Nd8
  54. 27.bxc3
  55. Rc6
  56. 28.Rd1
    1. Oplossing:28.Rd1
      1. Dreigend:
      2. 29.Rxd7
    3. Rd6
    4. 29.Rxd6
    5. Qxd6
    6. 30.Nxf7
    7. Qxa3
    8. 31.Nxd8+
    9. Qxb3
    10. 32.Qe8+
    11. Kh7
      1. 32...Bf8
      2. 33.Qg6+
      3. Bg7
      4. 34.Qe8+
      5. Kh7
        1. 34...Bf8
        2. 35.Qg6+
        3. Bg7
        4. 36.Qe8+ Remise door herhaling
      7. 35.Qh5+
      8. Bh6
        1. 35...Kg8
        2. 36.Qe8+ Remise door herhaling
    13. 33.Qh5+
    14. Bh6
      1. 33...Kg8
      2. 34.Qe8+
      3. Kh7
        1. 34...Bf8
        2. 35.Qg6+
        3. Bg7
        4. 36.Qe8+ Remise door herhaling
      5. 35.Qh5+
      6. Bh6
        1. 35...Kg8 Remise door herhaling
  58. 28...Rd6
  59. 29.Rxd6
  60. Qxd6
  61. 30.Nxf7
  62. Qxa3
  63. 31.Nh6+
  64. Kf8
  65. 32.Qf5+
  66. Ke7
  67. 33.Qg5+
  68. Ke8
  69. 34.Qg6+
  70. Kf8
  71. 35.Qf5+
  72. Ke7
  73. 36.Qg5+
  74. Ke8
  75. 37.Qg6+
  76. Kf8
1/2-1/2
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