[Event "ARG-ch55"]
[Site "Quilmes"]
[Date "1980.06.09"]
[Round "7"]
[White "Cuasnicu, Oscar"]
[Black "Najdorf, Miguel"]
[Result "0-1"]
[WhiteElo "2400"]
[BlackElo "2510"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Be7 7. O-O O-O 8. Kh1 Nc6 9. f4
Bd7 10. Nf3 a6 11. a4 Qc7 12. Bd3 Nb4 13. e5 Ne8 14. Be3 Bc6 15. Qe2 Nxd3 16. cxd3 dxe5
17. Nxe5 Rc8 18. a5 Nf6 19. Bb6 Qd6 20. d4 Nd7 21. Nxd7 Qxd7 22. f5 exf5 23. d5 Bb5 24.
Nxb5 axb5 25. Qd3 g6 26. Be3 Bd6 27. Bh6 Rfe8 28. Rfe1 Re5 29. Rxe5 Bxe5 30. Qe2 Qd6 31.
g3 f6 32. Rd1 Rc4 33. Qf2 Kf7 34. Qa7 g5 35. Qxb7+ Rc7 36. Qxb5 Kg6 37. Qd3 Kxh6 38. Qxf5
Bxb2 39. Qd3 Be5 40. Qe2 Rc5 41. Qa2 Qa6 42. Qg2 Rxa5 43. Qh3+ Kg6 44. Qd7 Qa8 45. h4 Ra7
46. Qg4 Ra1 0-1