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Puzzle 993090: Nero a difendere e vincere

CM Elizabeth Toro Castaneda (1949) - D. Korol (2287)
Titled Tue 18th Jun Early chess.com INT (11), 2024.06.18
  2. 1.e4
  3. c5
  4. 2.Cf3
  5. d6
  6. 3.d4
  7. cxd4
  8. 4.Cxd4
  9. Cf6
  10. 5.Cc3
  11. g6
  12. 6.Ae3
  13. Ag7
  14. 7.f3
  15. O-O
  16. 8.Dd2
  17. Cc6
  18. 9.g4
  19. Ae6
  20. 10.Cxe6
  21. fxe6
  22. 11.Ae2
  23. Dc8
  24. 12.O-O-O
  25. Ce5
  26. 13.h4
  27. Cc4
  28. 14.Axc4
  29. Dxc4
  30. 15.h5
  31. Cd7
  32. 16.hxg6
  33. hxg6
  34. 17.Ah6
  35. Axc3
  36. 18.bxc3
  37. Txf3
  38. 19.Dg5
    1. Soluzione:19.Dg5
      1. Minacciando:
      2. 20.Dxg6+
      3. Rh8
      4. 21.Dg7#
    3. Rf7
    4. 20.Ag7
      1. Ora, se20.Dxg6+
      2. Rxg6
    6. 20...Tg8
    7. 21.Ad4
    8. e5
    9. 22.Th7+
    10. Tg7
    11. 23.Txg7+
    12. Rxg7
    13. 24.Dxe7+
    14. Tf7
    15. 25.Dxd6
    16. exd4
    17. 26.Dxd4+
    18. Dxd4 Black is winning because of Black's material advantage.
  40. 19...Rf7
  41. 20.Td4
  42. Dxc3
0-1
Avanti ? Aiuto