[Event "US Open-90"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "1"]
[White "Byrne, Robert Eugene"]
[Black "Bergquist, Jeff"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2465"]
[PlyCount "23"]
[EventDate "1989.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bb7 7. d3 Be7 8. c4 b4 9. a3 a5 10. Ba4 Bd6 11. Nbd2 Nd4 12. Nxd4 1-0

