[Event "Interzonal-11b"]
[Site "Rio de Janeiro"]
[Date "1979.10.03"]
[Round "9"]
[White "Portisch, Lajos"]
[Black "Sunye Neto, Jaime"]
[Result "0-1"]
[WhiteElo "2640"]
[BlackElo "2375"]
1. c4 Nf6 2. Nc3 e6 3. Nf3 c5 4. g3 b6 5. e4 Bb7 6. d3 Be7 7. Bg2 O-O 8. O-O Nc6 9. d4 cxd4 10. Nxd4 Qc7 11. b3 a6 12. Bb2 Rac8 13. Nc2 Qb8 14. Qe2 d6 15. Rfd1 Rfe8 16. Rd2 Ba8 17. Rad1 Bf8 18. f4 h6 19. Ne3 Nb4 20. Nf1 e5 21. a3 Nc6 22. Nd5 Nxd5 23. cxd5 Na5 24. Qd3 b5 25. Kh1 b4 26. Rb1 bxa3 27. Bxa3 Qb6 28. Ne3 Nb7 29. Nc4 Qb5 30. Bf1 Nc5 31. Qf3 Qb8 32. Bh3 exf4 33. Bxc8 Nxe4 34. Bh3 Nxd2 35. Nxd2 Re5 36. Bg2 fxg3 37. Qd3 Rh5 38. h3 Qb5 39. Qxb5 axb5 40. Rc1 Bxd5 41. Rc8 Rxh3+ 0-1