[Event "Olympiad-13 Preliminaries A"]
[Site "Munich"]
[Date "1958.10.07"]
[Round "7"]
[White "Ravn, Palle"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4 g6 6. d5 a5 7. h3 Nc5 8. Qc2 Bg7 9. g4 c6 10. Be3 cxd5 11. cxd5 O-O 12. Nd2 b6 13. O-O-O Ne8 14. Kb1 Bf6 15. Nc4 Rb8 16. f3 Bh4 17. Bh6 b5 18. Nxb5 Rxb5 19. Nxd6 Rxb2+ 20. Qxb2 Nxd6 21. Bxf8 Kxf8 22. Rc1 Na4 23. Qb8 Bb7 24. Qxd8+ Bxd8 25. Be2 Bb6 26. Kc2 Ke7 27. Kb3 Nc5+ 28. Kc2 f5 29. Rb1 Ba7 30. gxf5 gxf5 31. Rhg1 Kf7 32. Rg5 1/2-1/2