[Event "CalChess Masters"]
[Site "Berkeley"]
[Date "1983.03.08"]
[Round "4"]
[White "Christiansen, Larry Mark"]
[Black "Spero, David"]
[Result "1-0"]
[WhiteElo "2520"]

1. d4 b5 2. e4 a6 3. Bg5 Bb7 4. Nd2 d6 5. a4 bxa4 6. Rxa4 Nf6 7. Bd3 Nc6 8. Ngf3 Nd7 9. O-O h6 10. Be3 e5 11. d5 Ne7 12. Qe2 g5 13. Bxa6 Bxa6 14. Rxa6 Rxa6 15. Qxa6 f5 16. exf5 Bg7 17. Ra1 O-O 18. Qc4 Nxf5 19. Ra7 Nxe3 20. fxe3 Nc5 21. b4 Qb8 22. Ra3 Nd7 23. Ne4 Nf6 24. Nfd2 Qb6 25. Nxf6+ Bxf6 26. Ne4 Bg7 27. b5 Rb8 28. Qc6 Qxc6 29. bxc6 Rb4 30. Nxd6 cxd6 31. Ra8+ 1-0