[Event "Olympiad-20 Final A"]
[Site "Skopje"]
[Date "1972.09.29"]
[Round "3"]
[White "Petrosian, Tigran V"]
[Black "Ree, Hans"]
[Result "1-0"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. d3 d6 6. Bd2 h5 7. Nf3 Bd7 8. a3 Qc8 9. h3 Nh6
10. Nd5 Nd8 11. Ng5 Ne6 12. Nxe6 Bxe6 13. Ba5 b6 14. Bd2 c6 15. Nc3 O-O 16. b4 a6 17. a4
Nf5 18. Rb1 Ra7 19. b5 axb5 20. axb5 c5 21. Ra1 Qb8 22. O-O Rd8 23. Rxa7 Qxa7 24. Qa1 Qb8
25. Qa2 Ne7 26. Ra1 Nc8 27. Qa8 Qc7 28. Qc6 Qe7 29. Ra8 Kh7 30. Nd5 1-0