[Event "US Open-87"]
[Site "Somerset"]
[Date "1986.??.??"]
[Round "6"]
[White "Collier, Philip M"]
[Black "Ardaman, Miles"]
[Result "1/2-1/2"]
[EventArchiveKey "us-open-1986"]
[BlackElo "2255"]

1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nf3 Bg7 5. Nc3 b6 6. Be2 O-O 7. O-O d6 8. Qc2 e6 9. Rd1 Qe7 10. b3 Nc6 11. Bb2 Bb7 12. Rd2 cxd4 13. Nxd4 Nxd4 14. Rxd4 d5 15. cxd5 Nxd5 16. Nxd5 Bxd5 17. Rd2 Qg5 18. Bf1 Rac8 19. Qd1 Bxb2 20. Rxb2 Qe5 21. Rd2 Rc3 22. Rc1 Rfc8 23. Rdc2 h5 1/2-1/2