[Event "US Open-68"]
[Site "Atlanta"]
[Date "1967.??.??"]
[Round "9"]
[White "Lamb, Philip"]
[Black "Hanen, Peter"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "39"]
[EventDate "1967.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 e6 7. Bd3 b5 8. Qe2 a6 9. 0-0 Be7 10. Ne5 Bb7 11. f4 c5 12. c4 bxc4 13. Bxc4 0-0 14. Nxf7 Rxf7 15. Qxe6 Qf8 16. Nf5 Re8 17. Re1 Bd6 18. Qxf7+ Qxf7 19. Bxf7+ Kxf7 20. Nxd6+ 1-0

[Event "US Open-68"]
[Site "Atlanta"]
[Date "1967.??.??"]
[Round "4"]
[White "Lamb, Philip"]
[Black "Robertie, William"]
[Result "0-1"]
[ECO "A26"]
[PlyCount "106"]
[EventDate "1967.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Nge2 Nc6 7. 0-0 e5 8. h3 Be6 9. d3 Qd7 10. Kh2 Ne8 11. Rb1 f5 12. f4 Nf6 13. Be3 fxe4 14. Nxe4 Nxe4 15. Bxe4 Bxh3 16. Rf2 Be6 17. Qh1 Rad8 18. Nc3 Bf5 19. Kg1 Bxe4 20. Nxe4 Ne7 21. Rh2 h5 22. Ng5 b6 23. Qe4 d5 24. cxd5 Qxd5 25. Qc4 Qxc4 26. dxc4 Nf5 27. Bxb6 axb6 28. Ne6 Rfe8 29. Nxd8 Rxd8 30. g4 hxg4 31. fxe5 Bxe5 32. Rg2 g3 33. Re2 Nh4 34. Rxe5 Nf3+ 35. Kg2 Nxe5 36. Kxg3 Kf7 37. Rf1+ Ke6 38. Re1 Rd4 39. b3 Rg4+ 40. Kh3 Rf4 41. Kg3 Kf5 42. Rd1 Rf3+ 43. Kg2 Rd3 44. Rf1+ Ke6 45. c5 Rd2+ 46. Kg3 bxc5 47. a4 Rd3+ 48. Kf4 Rxb3 49. Re1 Rb4+ 50. Re4 Rxe4+ 51. Kxe4 Nc6 52. Kd3 g5 53. Kc4 Kd6 0-1

[Event "US Open-68"]
[Site "Atlanta"]
[Date "1967.??.??"]
[Round "5"]
[White "Ross, Andrew"]
[Black "Lamb, Philip"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "82"]
[EventDate "1967.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. f4 e6 3. Nf3 Nf6 4. Nc3 a6 5. Be2 b5 6. e5 Ng8 7. Ne4 Bb7 8. d3 d5 9. exd6 Bxd6 10. Nxd6+ Qxd6 11. 0-0 Nf6 12. Kh1 Nd5 13. Ne5 Nc6 14. c4 Nde7 15. Nxc6 Bxc6 16. Bf3 0-0 17. cxb5 axb5 18. Bxc6 Nxc6 19. Be3 Rfd8 20. Qf3 Nd4 21. Qf2 h6 22. b3 Ra6 23. h3 Rda8 24. Bxd4 Qxd4 25. Qxd4 cxd4 26. Rf2 Ra3 27. Rb2 Rc8 28. Rd1 Rc3 29. g4 f6 30. Kg2 Kf7 31. Kf3 e5 32. Ke4 Ke6 33. Rf1 b4 34. fxe5 fxe5 35. Rf8 Ra5 36. Rb8 Rc1 37. Rb6+ Ke7 38. Rb7+ Ke6 39. Re2 Rf1 40. Rb6+ Kd7 41. Rb7+ Kc6 0-1

