[Event "US Open-82"]
[Site "Palo Alto"]
[Date "1981.??.??"]
[Round "6"]
[White "Powell, Charles"]
[Black "Christiansen, Larry Mark"]
[Result "0-1"]
[BlackElo "2515"]

1. d4 Nf6 2. Bg5 c5 3. d5 Ne4 4. Bf4 Qb6 5. Qc1 e6 6. dxe6 fxe6 7. Nf3 Nc6 8. e3 Be7 9. Bd3 Nf6 10. O-O d5 11. c4 O-O 12. Nc3 Bd7 13. Ne5 Rad8 14. cxd5 exd5 15. Nxd7 Rxd7 16. Bf5 Rdd8 17. Qc2 Kh8 18. Rac1 c4 19. a3 d4 20. Nd1 Nd5 21. Bh3 Nxf4 22. exf4 Na5 23. Qe2 Bd6 24. g3 Rde8 25. Qh5 g6 26. Qd5 Rd8 27. Qg5 Nb3 28. Rxc4 Nd2 0-1