[Event "US Open-78"]
[Site "Columbus"]
[Date "1977.08.??"]
[Round "?"]
[White "Prochaska, Peter"]
[Black "Kolbas, Walrath"]
[Result "1-0"]
[ECO "B97"]
[PlyCount "43"]
[EventDate "1977.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Nb3 Qa3 10. Bxf6 gxf6 11. Be2 Nc6 12. 0-0 Bd7 13. Bh5 Rc8 14. f5 Bg7 15. fxe6 Bxe6 16. Nd5 f5 17. exf5 Bxa1 18. fxe6 Be5 19. Bxf7+ Kf8 20. Qh6+ Bg7 21. e7+ Nxe7 22. Bh5+ 1-0

