[Event "US Open-78"]
[Site "Columbus"]
[Date "1977.08.??"]
[Round "?"]
[White "Christiansen, Larry Mark"]
[Black "Leverett, Bruce W"]
[Result "1-0"]
[WhiteElo "2460"]

1. c4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. g3 Qb6 7. Nb3 Bb4 8. Bg2 Ne5 9. Be3 Qc7 10. c5 Nc4 11. Bg5 Bxc5 12. Nxc5 Qxc5 13. Bxf6 gxf6 14. Rc1 Qe5 15. O-O O-O 16. b3 Na5 17. f4 Qe3+ 18. Kh1 d5 19. Rf3 Qb6 20. e4 d4 21. Na4 Qd8 22. e5 fxe5 23. fxe5 Bd7 24. Rf4 Bc6 25. Qh5 Bxg2+ 26. Kxg2 Qd5+ 27. Kh3 f5 28. Rc7 Qxe5 29. Qxh7# 1-0