[Event "World op 21st"]
[Site "Philadelphia"]
[Date "1993.??.??"]
[Round "4"]
[White "Herder, David A"]
[Black "Karklins, Andrew"]
[Result "1-0"]
[EventArchiveKey "world-open-1993"]
[BlackElo "2345"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Nf6 6. Be3 e6 7. Na3 cxd4 8. Nb5 Qd8 9. Nbxd4 Qc7 10. Bd3 Bd7 11. Qe2 Nd5 12. O-O a6 13. Rfe1 Nf4 14. Bxf4 Qxf4 15. Be4 Nd8 16. Rad1 g6 17. Qd3 Bg7 18. Nf5 gxf5 19. Qd2 Kf8 20. g3 Qb8 21. Bxf5 Bf6 22. Bxe6 Nxe6 23. Rxe6 fxe6 24. Qd6+ Be7 25. Ne5 Qe8 26. Rd4 1-0