[Event "US Open-67"]
[Site "Seattle"]
[Date "1966.08.22"]
[Round "9"]
[White "Haugen, David"]
[Black "Sweetman, Edward"]
[Result "1/2-1/2"]
[ECO "B72"]
[PlyCount "93"]
[EventDate "1966.08.14"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 g6 7. Be3 Bg7 8. Qd2 Nc6 9. Nxc6 bxc6 10. Bh6 Bxh6 11. Qxh6 Rb8 12. Rb1 Be6 13. 0-0 Qa5 14. a3 g5 15. f4 Rg8 16. f5 Bc4 17. Bxc4 Qc5+ 18. Kh1 Qxc4 19. Rf3 Qc5 20. Rff1 Qe5 21. Qh3 Kd7 22. Qe3 Qxh2+ 23. Kxh2 Ng4+ 24. Kg3 Nxe3 25. Rf2 Nc4 26. b3 Nxa3 27. Ra1 Nb5 28. Nxb5 axb5 29. Ra7+ Ke8 30. f6 e6 31. c4 bxc4 32. Re7+ Kf8 33. bxc4 Rg6 34. Rd7 d5 35. exd5 exd5 36. cxd5 cxd5 37. Rxd5 h5 38. Rd6 Kg8 39. Rf5 Kh7 40. Rd7 Rf8 41. Kf3 Rgg8 42. Ke4 Kg6 43. Rdd5 Re8+ 44. Kf3 Kh6 45. g4 h4 46. Rd7 Ref8 47. Rc7 1/2-1/2

