[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1975.03.03"]
[Round "1"]
[White "Pattrick, Earney R"]
[Black "Loftsson, Julius H"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "70"]
[EventDate "1975.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. f4 e6 3. Nf3 d5 4. exd5 exd5 5. Bb5+ Bd7 6. Bxd7+ Nxd7 7. 0-0 Bd6 8. Nc3 Ne7 9. Re1 0-0 10. d3 Nf6 11. Bd2 Re8 12. Nb5 Bb8 13. d4 a6 14. Nc3 cxd4 15. Nxd4 Ba7 16. Be3 Qd7 17. Kh1 Bb6 18. Qd3 Ba5 19. Nb3 Bxc3 20. Qxc3 Ne4 21. Qd3 Nf5 22. Bg1 Re6 23. Rxe4 Rxe4 24. Nc5 Qc6 25. Nxe4 dxe4 26. Qd2 h5 27. Rd1 Re8 28. Qe2 h4 29. Qg4 Qxc2 30. Rd7 e3 31. Qh5 g6 32. Qf3 h3 33. Qd5 hxg2+ 34. Qxg2 e2 35. Rxf7 Qc6 0-1

