[Event "US Open-68"]
[Site "Atlanta"]
[Date "1967.??.??"]
[Round "3"]
[White "Simpson, Ronald Sr"]
[Black "Anderson, James L"]
[Result "1-0"]
[ECO "C18"]
[PlyCount "117"]
[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 e6 2. e4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Qg4 g6 8. h4 Nbc6 9. h5 Nf5 10. hxg6 fxg6 11. Qxg6+ hxg6 12. Rxh8+ Kd7 13. Rxd8+ Kxd8 14. g4 Nfe7 15. Nf3 b6 16. dxc5 bxc5 17. Be3 c4 18. 0-0-0 Bd7 19. Be2 Kc7 20. Rh1 Rg8 21. Rh7 Kd8 22. Bc5 a5 23. Nd4 Re8 24. Nb5 Nc8 25. Be3 Nxe5 26. Bg5+ Ne7 27. Nd6 N5c6 28. Nxe8 Bxe8 29. Rg7 Kd7 30. f4 Kd6 31. Bxe7+ Nxe7 32. Kd2 Kd7 33. Ke3 Kd6 34. Bf3 Kd7 35. Kf2 Kd6 36. Kg3 Nc8 37. Kh4 Nb6 38. Ra7 a4 39. Rg7 Na8 40. Kg5 Nb6 41. Rxg6 Bxg6 42. Kxg6 Ke7 43. Kg7 Nd7 44. g5 Nf8 45. g6 Nd7 46. Kh8 Nf6 47. g7 Kf7 48. Bh5+ Ke7 49. g8Q Nxg8 50. Kxg8 Kf6 51. Bg4 e5 52. fxe5+ Kxe5 53. Bd7 d4 54. cxd4+ Kxd4 55. Bxa4 Kc3 56. Bb5 Kxc2 57. Bxc4 Kc3 58. Be6 Kd4 59. a4 1-0

[Event "US Open-68"]
[Site "Atlanta"]
[Date "1967.??.??"]
[Round "7"]
[White "Simpson, Ronald Sr"]
[Black "Powell, Charles"]
[Result "1/2-1/2"]
[ECO "A44"]
[PlyCount "75"]
[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 c5 2. d5 e5 3. e4 d6 4. Nc3 Na6 5. Bxa6 bxa6 6. Nge2 Ne7 7. 0-0 Ng6 8. f4 exf4 9. Nxf4 Be7 10. Nxg6 hxg6 11. Qf3 0-0 12. Bf4 Bf6 13. Rae1 Bd4+ 14. Be3 Be5 15. Bf4 Qe7 16. Qg3 Re8 17. Bxe5 Qxe5 18. Qxe5 Rxe5 19. h3 Bd7 20. a3 a5 21. Kf2 Kf8 22. g4 Ke7 23. Kf3 Rh8 24. Kg3 g5 25. Nd1 Kf8 26. Rf3 Ba4 27. b3 Bb5 28. c4 Ba6 29. a4 Bc8 30. Nc3 a6 31. Nb1 f6 32. Nd2 Kf7 33. Ref1 Rh6 34. Kg2 Rh8 35. Kg3 Rf8 36. Kg2 Kg8 37. Kg3 Re7 38. Kg2 1/2-1/2

[Event "US Open-68"]
[Site "Atlanta"]
[Date "1967.??.??"]
[Round "4"]
[White "Truesdel, L David"]
[Black "Simpson, Ronald Sr"]
[Result "1-0"]
[ECO "D89"]
[PlyCount "77"]
[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. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. 0-0 Nc6 10. Be3 cxd4 11. cxd4 Bg4 12. f3 Na5 13. Bd3 Be6 14. d5 Bxa1 15. Qxa1 f6 16. Qb1 Bd7 17. g4 e5 18. Ng3 b6 19. h4 Nb7 20. g5 Nd6 21. gxf6 Qxf6 22. Bg5 Qg7 23. Qb4 Nf7 24. Be7 Rfe8 25. d6 b5 26. Kf2 Nd8 27. Nf5 gxf5 28. Rg1 Qxg1+ 29. Kxg1 f4 30. Qb2 Nc6 31. Bxb5 Kf7 32. Qb3+ Be6 33. Bc4 Nd4 34. Bxe6+ Nxe6 35. Qb7 Rab8 36. Qd7 Nd4 37. h5 Rec8 38. Bf6+ Kxf6 39. Qe7# 1-0

[Event "US Open-68"]
[Site "Atlanta"]
[Date "1967.??.??"]
[Round "8"]
[White "Wheeler, Bill"]
[Black "Simpson, Ronald Sr"]
[Result "1-0"]
[ECO "C63"]
[PlyCount "117"]
[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 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Ng3 Bg4 7. h3 Bxf3 8. Qxf3 Nf6 9. d3 Be7 10. Nf5 0-0 11. Bxc6 bxc6 12. Qg3 g6 13. 0-0 Kh8 14. Nh6 Bd6 15. Bg5 Qd7 16. Qh4 Kg7 17. Rae1 Rab8 18. Ng4 Nxg4 19. hxg4 Rf7 20. b3 Rb4 21. Bh6+ Kg8 22. f3 a5 23. a4 Rb8 24. Bd2 Re8 25. Bc3 d4 26. Bd2 Qe7 27. Qxe7 Rfxe7 28. Re4 Kf7 29. Rfe1 c5 30. g5 Rd7 31. Kf2 Ra8 32. Kg3 Kg7 33. Kg4 Rf7 34. Rxe5 Bxe5 35. Rxe5 Rf5 36. Rxf5 gxf5+ 37. Kxf5 Re8 38. Bxa5 Re2 39. Bxc7 Rxg2 40. a5 Rxc2 41. Ke4 Ra2 42. Kd5 Ra3 43. Kc4 Kg6 44. f4 Kf7 45. Kxc5 Rxb3 46. Kxd4 Ke6 47. Bb6 Kf5 48. Bc7 Ra3 49. Kc4 Ke6 50. d4 Ra4+ 51. Kb5 Ra2 52. Kc6 Rc2+ 53. Kb7 Rb2+ 54. Bb6 Kf5 55. a6 Kxf4 56. a7 Ra2 57. a8Q Rxa8 58. Kxa8 Kxg5 59. Kb7 1-0

