[Event "World op 19th"]
[Site "Philadelphia"]
[Date "1991.??.??"]
[Round "?"]
[White "Mayer, Steven F"]
[Black "Winans, M."]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "2245"]
[PlyCount "29"]
[EventDate "1991.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 Nf6 3. b3 d5 4. Bb2 Bg4 5. e3 e6 6. Be2 Nbd7 7. Nc3 Bd6 8. Rc1 Qe7 9. cxd5 exd5 10. Nd4 Be6 11. d3 Be5 12. Nxe6 Qxe6 13. Na4 Bxb2 14. Nxb2 Qd6 15. d4 1/2-1/2

