[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.22"]
[Round "12"]
[White "Winston, Harold"]
[Black "Clayton, Carl"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "100"]
[EventDate "1969.08.10"]
[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 e5 2. Nf3 Qe7 3. Nc3 c6 4. d4 d6 5. Bg5 Nf6 6. h3 h6 7. Be3 g5 8. Qd3 Nbd7 9. 0-0-0 Bg7 10. dxe5 dxe5 11. Be2 0-0 12. g4 Nc5 13. Qc4 b6 14. Bxc5 bxc5 15. Qd3 Rb8 16. Qd6 Qb7 17. b3 Qb4 18. Kb2 Qxc3+ 19. Kxc3 Nxe4+ 20. Kb2 Nxd6 21. Rxd6 e4+ 22. Kc1 exf3 23. Bxf3 Be6 24. Rxc6 Rbc8 25. Rd1 Rxc6 26. Bxc6 Bf6 27. Be4 Rd8 28. Rf1 c4 29. b4 c3 30. a3 Rd2 31. Kb1 Bc4 32. Re1 Rxf2 33. Bc6 Rf1 34. Rxf1 Bxf1 35. Ka2 Bc4+ 36. Kb1 Kf8 37. Kc1 Bd4 38. Kd1 Bf2 39. a4 Ke7 40. a5 Ke6 41. Be4 Ke5 42. Bf5 Kf4 43. Bd3 Bxd3 44. cxd3 Kg3 45. Kc2 Bd4 46. b5 Kxh3 47. a6 Kxg4 48. b6 Bxb6 49. Kxc3 h5 50. Kc4 h4 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.18"]
[Round "8"]
[White "Clayton, Carl"]
[Black "Lapiken, Peter Petrovich"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "80"]
[EventDate "1969.08.10"]
[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 g6 2. d4 Bg7 3. Bc4 d6 4. Nf3 Nf6 5. Qe2 0-0 6. h3 c6 7. Nc3 d5 8. exd5 cxd5 9. Bd3 Nc6 10. 0-0 a6 11. Re1 e6 12. Bg5 Qd6 13. a3 h6 14. Bh4 Nh5 15. Rad1 f5 16. Na4 Nf4 17. Qe3 Nxd3 18. Qxd3 Rb8 19. Bg3 f4 20. Bh2 g5 21. Ne5 Nxe5 22. dxe5 Qc7 23. h4 Bd7 24. Nc3 Rf5 25. Nxd5 exd5 26. Qxd5+ Rf7 27. e6 Bxe6 28. Rxe6 Qxc2 29. hxg5 hxg5 30. Rde1 Qf5 31. Qb3 Kh7 32. Qf3 Rc8 33. Qh5+ Kg8 34. Rg6 Rc5 35. Kh1 Kf8 36. Bg1 f3 37. g4 Qd7 38. Bh2 Re7 39. Bd6 Qxd6 40. Rxd6 Rxe1+ 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.14"]
[Round "5"]
[White "Bone, Eric Dale"]
[Black "Clayton, Carl"]
[Result "1/2-1/2"]
[ECO "C40"]
[PlyCount "52"]
[EventDate "1969.08.10"]
[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 e5 2. Nf3 Qe7 3. Nc3 c6 4. Be2 f5 5. d4 d6 6. Bg5 Nf6 7. dxe5 dxe5 8. exf5 Bxf5 9. Qd2 Nbd7 10. 0-0-0 0-0-0 11. Rhe1 Qc5 12. Be3 Qa5 13. Ng5 Bb4 14. Nf7 Ne4 15. Nxe4 Bxd2+ 16. Nxd2 Qxa2 17. Nd6+ Kb8 18. Nxf5 Nb6 19. Bxb6 axb6 20. Bd3 g6 21. Nh6 Rd5 22. f3 Rf8 23. Ng4 Rf4 24. Nb3 Rb4 25. Rxe5 Rxe5 26. Nxe5 Qa4 1/2-1/2

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.12"]
[Round "3"]
[White "Lifson, Ronald A"]
[Black "Clayton, Carl"]
[Result "1-0"]
[ECO "C40"]
[PlyCount "123"]
[EventDate "1969.08.10"]
[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 e5 2. Nf3 Qe7 3. Bc4 f5 4. d4 Nc6 5. 0-0 fxe4 6. Nxe5 Nxe5 7. dxe5 Qxe5 8. Bxg8 Rxg8 9. Nc3 d5 10. Qxd5 Qxd5 11. Nxd5 Bd6 12. Nc3 Bf5 13. Nxe4 0-0-0 14. Nxd6+ Rxd6 15. c3 Rgd8 16. Bf4 Re6 17. Rfe1 Rxe1+ 18. Rxe1 Bc2 19. f3 Rd1 20. Rxd1 Bxd1 21. Kf2 Kd7 22. Be5 g6 23. Ke3 c6 24. Bb8 a5 25. Kd2 Ba4 26. c4 c5 27. Ba7 Bc6 28. Bxc5 Ke6 29. Ke3 Kf5 30. b3 a4 31. Bb6 axb3 32. axb3 h5 33. g3 Ke5 34. Bc7+ Kf6 35. b4 Bd7 36. h4 Bh3 37. Kf4 Bf1 38. c5 Bb5 39. g4 hxg4 40. fxg4 Be2 41. Bd8+ Kf7 42. Kg5 Bd3 43. h5 gxh5 44. gxh5 Kg7 45. Bf6+ Kh7 46. h6 Kg8 47. Bc3 Be2 48. Kf6 Bf1 49. Ke7 Kh7 50. Bg7 Kg8 51. Kd6 Bb5 52. Kc7 Bc6 53. Kb6 Kh7 54. b5 Bd5 55. c6 bxc6 56. bxc6 Bxc6 57. Kxc6 Kg8 58. Kd6 Kf7 59. Ke5 Kg8 60. Kf6 Kh7 61. Kg5 Kg8 62. Bb2 1-0

[Event "US Open-68"]
[Site "Atlanta"]
[Date "1967.??.??"]
[Round "1"]
[White "Clayton, Carl"]
[Black "Collins, John William"]
[Result "0-1"]
[ECO "E66"]
[PlyCount "90"]
[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. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nc6 7. Nc3 a6 8. e4 Rb8 9. d5 Na5 10. Qd3 c5 11. h3 b5 12. cxb5 axb5 13. Re1 Nd7 14. Ng5 Qb6 15. Qc2 h6 16. Nf3 b4 17. Na4 Qc7 18. Nd2 Ba6 19. a3 Ne5 20. axb4 Nd3 21. Re3 Nxb4 22. Qd1 Bd3 23. Bf1 c4 24. Rf3 Nc2 25. Ra2 Nd4 26. Re3 Bc2 27. Qg4 Kh7 28. h4 h5 29. Qh3 Nab3 30. Nxb3 Nxb3 31. Re1 Ra8 32. Nc3 Rxa2 33. Nxa2 Qa5 34. Nc3 Bxc3 35. bxc3 Qxc3 36. Re3 Qa1 37. Qd7 Qxc1 38. Qxe7 Kg8 39. Kg2 Bd3 40. Bxd3 cxd3 41. Rxd3 Nd2 42. Kh2 Qc2 43. Ra3 Qxe4 44. Qxd6 Nf3+ 45. Kh3 Ne5 0-1

[Event "US Open-68"]
[Site "Atlanta"]
[Date "1967.??.??"]
[Round "9"]
[White "Davies, James A"]
[Black "Clayton, Carl"]
[Result "1-0"]
[ECO "C40"]
[PlyCount "43"]
[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 e5 2. Nf3 Qe7 3. Bc4 f5 4. d4 exd4 5. 0-0 fxe4 6. Nxd4 Nf6 7. Nc3 c6 8. Bg5 d5 9. Re1 h6 10. Bxf6 Qxf6 11. Bxd5 cxd5 12. Nxd5 Qe5 13. Nf3 Qd6 14. Rxe4+ Kf7 15. Nh4 Nc6 16. Qh5+ g6 17. Qf3+ Kg7 18. Qc3+ Kg8 19. Nf6+ Kf7 20. Ne8 Qd5 21. Qf6+ Kg8 22. Qxg6+ 1-0

