[Event "US Open-58"]
[Site "Cleveland"]
[Date "1957.08.08"]
[Round "4"]
[White "Ault, Leslie"]
[Black "Kaufman, Allen J"]
[Result "0-1"]
[ECO "E65"]
[PlyCount "78"]
[EventDate "1957.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nf6 3. Bg2 g6 4. b3 Bg7 5. Bb2 0-0 6. c4 d6 7. d4 Na6 8. 0-0 Rb8 9. Nc3 Bd7 10. Rb1 Bc6 11. d5 Bd7 12. e4 Ng4 13. h3 Ne5 14. Nxe5 Bxe5 15. f4 Bd4+ 16. Kh2 f5 17. Ne2 Bxb2 18. Rxb2 Nc7 19. e5 b5 20. e6 Bc8 21. Qc2 Ba6 22. cxb5 Bxb5 23. Rd1 Bxe2 24. Qxe2 Nb5 25. Qd2 a5 26. g4 Nd4 27. Rc1 Rb4 28. Rc4 Qb6 29. Kg3 Rb8 30. Bf1 Qb7 31. Qg2 a4 32. gxf5 Nxf5+ 33. Kh2 axb3 34. axb3 Rxb3 35. Rxb3 Qxb3 36. Qf2 Qe3 37. Qxe3 Nxe3 38. Rc1 Nxd5 39. Ra1 Kg7 0-1

