[Event "Olympiad-17 Preliminaries A"]
[Site "Havana"]
[Date "1966.10.26"]
[Round "1"]
[White "Petrosian, Tigran V"]
[Black "Johansson, Martin Sr"]
[Result "1-0"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. f4 Nc6 8. Be3 Qc7 9. O-O
Bd7 10. Nb3 b5 11. a3 Be7 12. Rf2 b4 13. axb4 Nxb4 14. Bf3 Rc8 15. g4 h6 16. g5 hxg5 17.
fxg5 Nh7 18. Qd2 Nf8 19. Qd4 Nc6 20. Qxg7 Rh7 21. Qg8 Ne5 22. Be2 Bc6 23. Rxa6 Rd8 24.
Rxc6 Nxc6 25. Bb5 1-0