[Event "World op"]
[Site "Philadelphia"]
[Date "1988.??.??"]
[Round "?"]
[White "Ashley, Maurice"]
[Black "Benko, Pal C"]
[Result "1/2-1/2"]
[EventArchiveKey "world-open-1988"]
[WhiteElo "2280"]
[BlackElo "2425"]

1. c4 e5 2. Nc3 Bb4 3. Qc2 Nf6 4. Nf3 Qe7 5. a3 Bxc3 6. Qxc3 d6 7. d3 O-O 8. b4 e4 9. dxe4 Nxe4 10. Qb2 a5 11. e3 Nc6 12. b5 Ne5 13. Be2 f6 14. O-O Be6 15. Qc2 Nc5 16. Nd4 Bf7 17. e4 Bg6 18. f3 Rfe8 19. Bb2 Ned7 20. Rfe1 Nb6 21. Rad1 Qf7 22. Bf1 Re7 23. Qc1 h6 24. Re3 Rae8 25. Rde1 a4 26. Qc3 Kh7 27. Qc1 Kg8 28. Kf2 Kh7 29. Qc2 Kh8 30. Qc1 Kh7 1/2-1/2