[Event "Interzonal-12a"]
[Site "Las Palmas"]
[Date "1982.07.20"]
[Round "7"]
[White "Petrosian, Tigran V"]
[Black "Sunye Neto, Jaime"]
[Result "1/2-1/2"]
[WhiteElo "2605"]
[BlackElo "2475"]

1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. b3 c5 5. Bb2 Nc6 6. Bd3 cxd4 7. exd4 g6 8. O-O Bg7 9. Ba3 Ne4 10. c3 f5 11. Bb5 Bd7 12. Qe2 Rc8 13. Bxc6 Rxc6 14. Qe3 Qb6 15. Re1 h5 16. Bb2 O-O 17. Na3 f4 18. Qd3 e5 19. Rac1 1/2-1/2