[Event "Interzonal-11b"]
[Site "Rio de Janeiro"]
[Date "1979.10.12"]
[Round "15"]
[White "Kagan, Shimon"]
[Black "Petrosian, Tigran V"]
[Result "0-1"]
[WhiteElo "2445"]
[BlackElo "2610"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g4 Nc6 7. g5 Nd7 8. Be3 a6 9. h4 Be7 10. Rg1 Na5 11. Qd2 Qc7 12. O-O-O g6 13. f4 b5 14. f5 Ne5 15. Qf2 Nac4 16. Bxc4 Nxc4 17. Rgf1 O-O 18. f6 Bd8 19. h5 b4 20. Nce2 e5 21. Nb3 Bg4 22. hxg6 fxg6 23. Kb1 Rc8 24. Rc1 a5 25. c3 Qb7 26. Ng3 a4 27. Na1 Be6 28. cxb4 Qxb4 29. b3 axb3 30. Nxb3 Ra8 0-1