[Event "Interzonal-09b"]
[Site "Petropolis"]
[Date "1973.08.13"]
[Round "15"]
[White "Mecking, Henrique"]
[Black "Hug, Werner"]
[Result "1-0"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 Ne7 9. Nf3 Bd7 10. Nbxd4 Nbc6 11. Bb2 Nxd4 12. Nxd4 Bb6 13. Bd3 Nc6 14. Nb5 O-O 15. Qh5 h6 16. g4 Be8 17. Qh3 f6 18. exf6 Rxf6 19. Rf1 d4 20. O-O-O a6 21. g5 axb5 22. gxf6 Qxf6 23. Rde1 Nd8 24. Kb1 Rc8 25. Re5 Bf7 26. Rxb5 Rc6 27. Qg2 Rd6 28. Qe4 Bc7 29. f5 Rd7 30. fxe6 Qxe6 31. Qh7+ Kf8 32. Qh8+ Ke7 33. Qxg7 Nc6 34. Rbf5 Ne5 35. Rxe5 1-0