[Event "US Open-84"]
[Site "Pasadena"]
[Date "1983.08.10"]
[Round "4"]
[White "Hale, Jonathan S"]
[Black "Christiansen, Larry Mark"]
[Result "0-1"]
[BlackElo "2520"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. c4 O-O 5. e3 d6 6. d4 Nbd7 7. Nc3 e5 8. Be2 Qe7 9. O-O e4 10. Nd2 c5 11. Qc2 cxd4 12. exd4 Re8 13. Nd1 Nf8 14. Ne3 Ne6 15. Nxe4 Nxe4 16. Qxe4 Nxd4 17. Qd3 Bf5 18. Qd2 Nc2 19. Nxf5 Qxe2 20. Nh6+ Kf8 21. Qf4 Re7 22. Bxg7+ Kxg7 23. Ng4 f5 24. Qh6+ Kh8 25. Qc1 fxg4 26. Qb2+ Kg8 27. Rac1 Nb4 0-1