[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "6"]
[White "Allen, Mark"]
[Black "Klewe, Roy"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "29"]
[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. e4 d5 2. d4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Qxf3 e6 6. Be3 Be7 7. Bc4 c6 8. Nge2 Nbd7 9. Nf4 Nb6 10. Bd3 Bb4 11. 0-0 0-0 12. Nh5 Nxh5 13. Qxh5 g6 14. Qh6 Re8 15. Rxf7 1-0

[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "3"]
[White "Klewe, Roy"]
[Black "Leopoldi, Norbert"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "96"]
[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. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 Bb4 6. Qd4 Bxc3+ 7. Qxc3 f6 8. Bc4 b6 9. 0-0 Ba6 10. Bxa6 Nxa6 11. Rd1 Qc7 12. Qd4 e5 13. Qa4 Nc5 14. Qb4 Ne7 15. Be3 Rc8 16. Rac1 Qb8 17. Qb5 a6 18. Qc4 b5 19. Qb4 Ne6 20. Qd6 Qxd6 21. Rxd6 Rxc1+ 22. Bxc1 Nc6 23. b3 Ke7 24. Rd1 Rc8 25. Bb2 Nc5 26. Nd2 Nd3 27. Ba3+ b4 28. Nc4 Nc5 29. Nb6 Rd8 30. Nd5+ Kf7 31. Nxb4 Nxb4 32. Bxb4 Nxe4 33. Ba5 Rc8 34. Rxd7+ Ke6 35. Rc7 Rxc7 36. Bxc7 Nc3 37. a4 Ne2+ 38. Kf1 Nd4 39. b4 Kd5 40. Ke1 Nc2+ 41. Kd2 Nxb4 42. Kc3 Nc6 43. Bb6 f5 44. f3 g5 45. Be3 h6 46. g3 Nd4 47. f4 gxf4 48. gxf4 Ne2+ 0-1

[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "2"]
[White "Tessaro, George"]
[Black "Klewe, Roy"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "62"]
[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. e4 d5 2. d4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5 6. Bc4 e6 7. 0-0 Be7 8. d5 0-0 9. Nd4 Bc5 10. Be3 Ng4 11. Bf2 Nxf2 12. Rxf2 Qh4 13. Nce2 Bxc2 14. Qxc2 Bxd4 15. Nxd4 Qxd4 16. Rd1 Qb6 17. Rd3 Nd7 18. Rh3 h6 19. Kf1 Ne5 20. Bb3 exd5 21. Bxd5 Qb5+ 22. Re2 Qxd5 23. Qf5 Rfe8 24. Rhe3 f6 25. Rg3 Qf7 26. Re4 Nc6 27. Reg4 Rad8 28. Rxg7+ Qxg7 29. Rxg7+ Kxg7 30. Qg4+ Kh7 31. Qf5+ Kg7 1/2-1/2

