[Event "US Open-91"]
[Site "Jacksonville"]
[Date "1990.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Rosenberger, Berthold"]
[Result "1-0"]
[EventArchiveKey "us-open-1990"]
[WhiteElo "2290"]
[BlackElo "2300"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 g6 6. Nc3 d6 7. a4 Bg7 8. Nf3 O-O 9. Be2 Nbd7 10. O-O axb5 11. Bxb5 Ba6 12. Ra3 Bxb5 13. axb5 Qb6 14. Qe2 Rfb8 15. Bd2 Ne8 16. Rfa1 Rxa3 17. Rxa3 Nc7 18. Rb3 Bxc3 19. bxc3 Nxd5 20. c4 N5f6 21. e4 Ra8 22. Bc3 e5 23. Nd2 Ne8 24. f4 exf4 25. Qg4 Qc7 26. Qxf4 Nb6 27. Bb2 Qe7 28. Qh6 Ra4 29. Qxh7+ 1-0