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問題 363463: 黒 が 防御とするために

FM Yahli Sokolovsky (2415) - GM Andres Carlos Obregon (2525)
Titled Tuesday 17th Aug chess.com INT (1), 2021.08.17
  2. 1.b3
  3. e5
  4. 2.Bb2
  5. Nc6
  6. 3.e3
  7. Nf6
  8. 4.Bb5
  9. Bd6
  10. 5.Na3
  11. Na5
  12. 6.Be2
  13. a6
  14. 7.c4
  15. O-O
  16. 8.d4
  17. exd4
  18. 9.exd4
  19. Bb4+
  20. 10.Kf1
  21. d5
  22. 11.Nc2
  23. Be7
  24. 12.c5
  25. Nc6
  26. 13.g3
  27. Ne4
  28. 14.f3
  29. Ng5
  30. 15.h4
    1. 解決策:15.h4
      1. 脅威を与える:
      2. 16.hxg5
    3. Ne6
  32. 15...Ne6
  33. 16.Kg2
  34. Bf6
  35. 17.Rb1
  36. Re8
  37. 18.f4
  38. Nexd4
  39. 19.Nxd4
  40. Bxd4
  41. 20.Bxd4
  42. Bf5
  43. 21.Rc1
  44. Nxd4
  45. 22.Qxd4
  46. Re4
  47. 23.Qd2
  48. Qe7
  49. 24.Bf3
  50. Re3
  51. 25.Ne2
  52. Rd3
  53. 26.Qe1
  54. Re8
  55. 27.Nc3
  56. Qd7
  57. 28.Qf2
  58. d4
  59. 29.Ne2
  60. Rxf3
  61. 30.Kxf3
  62. Be4#
0-1

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