[Event "Olympiad-19 Final E"]
[Site "Siegen"]
[Date "1970.09.23"]
[Round "9"]
[White "Ulvestad, Olaf"]
[Black "Petersen, Hans"]
[Result "1-0"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. Nc3 e5 6. d3 Nc6 7. Rb1 O-O 8. O-O Re8 9. Nd2 Nh5 10. b4 Ne7 11. Qb3 c6 12. b5 Qc7 13. Ba3 f5 14. bxc6 bxc6 15. Nb5 cxb5 16. Bxa8 bxc4 17. Nxc4 Be6 18. Bxd6 Qd7 19. Bg2 Kh8 20. Qb7 1-0