[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "6"]
[White "Burger, Karl"]
[Black "Greffe, P."]
[Result "1-0"]
[ECO "E84"]
[PlyCount "63"]
[EventDate "1972.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 Rb8 8. Qd2 a6 9. Rb1 Bd7 10. b4 e5 11. d5 Ne7 12. Nc1 Ne8 13. Be2 f5 14. Nd3 c6 15. 0-0 f4 16. Bf2 g5 17. dxc6 Nxc6 18. Nd5 Nd4 19. c5 Kh8 20. Rfc1 Nc7 21. Bd1 dxc5 22. Nxc7 Qxc7 23. Rxc5 Nc6 24. a4 b6 25. Rd5 Be6 26. Rc1 Qb7 27. Rd6 Bd7 28. b5 axb5 29. axb5 Nd8 30. Rxb6 Qa8 31. Ra6 Qb7 32. Nc5 1-0

