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問題 192283: 黒 が チェックメイトとするために

Agnieszka Brustman (2335) - Margarita Voiska (2350)
28th olw final Thessaloniki GRE (11), 1988.11.25
  2. 1.e4
  3. e6
  4. 2.d4
  5. d5
  6. 3.Nc3
  7. Nf6
  8. 4.e5
  9. Nfd7
  10. 5.f4
  11. c5
  12. 6.Nf3
  13. Nc6
  14. 7.Be3
  15. cxd4
  16. 8.Nxd4
  17. Bc5
  18. 9.Qd2
  19. Bxd4
  20. 10.Bxd4
  21. O-O
  22. 11.O-O-O
  23. a6
  24. 12.Qe3
  25. b5
  26. 13.Qh3
  27. Nxd4
  28. 14.Rxd4
  29. Qb6
  30. 15.Bd3
  31. f5
  32. 16.Ne2
  33. Nb8
  34. 17.g4
  35. Nc6
  36. 18.c3
  37. b4
  38. 19.gxf5
  39. bxc3
  40. 20.Nxc3
  41. Qxd4
  42. 21.f6
  43. Qxf4+
  44. 22.Kb1
  45. g6
  46. 23.Rf1
  47. Qxe5
  48. 24.f7+
  49. Rxf7
  50. 25.Rxf7
    1. 解決策:25.Rxf7
    2. Qe1+
    3. 26.Kc2
      1. 26.Nd1
      2. Qxd1#
    5. 26...Nd4#
  52. 25...Kxf7
  53. 26.Qxh7+
  54. Qg7
  55. 27.Qh4
  56. Bd7
  57. 28.Ne2
  58. Ne5
  59. 29.Bc2
  60. Nc4
  61. 30.Nd4
  62. Rh8
  63. 31.Qf4+
  64. Qf6
0-1

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