[Event "World op 19th"]
[Site "Philadelphia"]
[Date "1991.??.??"]
[Round "?"]
[White "Lapham, William"]
[Black "Mayer, Steven F"]
[Result "0-1"]
[EventArchiveKey "world-open-19-1991"]
[BlackElo "2245"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O O-O 8. Nb3 Nbd7 9. f4 b5 10. Bf3 Bb7 11. Qe1 e5 12. Kh1 b4 13. Nd1 a5 14. fxe5 Nxe5 15. Bg5 a4 16. Nd4 Qb6 17. c3 a3 18. b3 bxc3 19. Nc2 Rfe8 20. Qh4 Nxf3 21. gxf3 Nxe4 22. Be3 Qb5 23. Qh3 Nd2 24. Rf2 Nxf3 25. Rxf3 Qe2 0-1