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問題 838674: 白 が 防御とするために

IM Kamal Aghasiyev (2441) - GM Aleksandra Goryachkina (2576)
Titled Tue 3rd Jan Early chess.com INT (10), 2023.01.03
  2. 1.d4
  3. Nf6
  4. 2.c4
  5. e6
  6. 3.Nf3
  7. d5
  8. 4.g3
  9. Be7
  10. 5.Bg2
  11. O-O
  12. 6.O-O
  13. dxc4
  14. 7.Qc2
  15. a6
  16. 8.a4
  17. c5
  18. 9.dxc5
  19. Bxc5
  20. 10.Qxc4
  21. Qe7
  22. 11.Ne5
  23. Nbd7
  24. 12.Bf4
  25. Nd5
  26. 13.Nd3
  27. Nxf4
  28. 14.gxf4
  29. Bd6
  30. 15.Nc3
  31. Nf6
  32. 16.Rfd1
  33. Rb8
  34. 17.Ne5
  35. b5
  36. 18.axb5
  37. axb5
  38. 19.Nxb5
  39. Bxe5
  40. 20.fxe5
  41. Nd5
  42. 21.Nd6
  43. Qg5
  44. 22.Qe4
  45. Rb4
  46. 23.Rd4
  47. Rxd4
  48. 24.Qxd4
  49. Nf4
    1. 解決策:24...Nf4
      1. 脅威を与える:
      2. 25...Qxg2#
        1. 25...Nxg2
    3. 25.Qe4
    4. さて、もしNxg2
      1. さて、もし25...Qxg2+
      2. 26.Qxg2
    6. 26.Qxg2
  51. 25.Qe4
  52. Nxg2
  53. 26.Qxg2
  54. Qxe5
  55. 27.Nxc8
  56. Rxc8
  57. 28.Ra8
  58. Rf8
  59. 29.Rxf8+
  60. Kxf8
  61. 30.Qa8+
1/2-1/2

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