[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "7"]
[White "Arce, Julio"]
[Black "Johnson, Clarence"]
[Result "1-0"]
[ECO "B94"]
[PlyCount "107"]
[EventDate "1966.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e5 7. Nf3 Be7 8. Bxf6 Bxf6 9. Bc4 0-0 10. Qd2 Nc6 11. Nd5 b5 12. Nxf6+ Qxf6 13. Bd5 Bb7 14. 0-0 Qe7 15. Rad1 Rfd8 16. Ng5 Rf8 17. f4 Rad8 18. f5 Qf6 19. c3 Na5 20. Bxb7 Nxb7 21. Nh3 Nc5 22. Qe3 Na4 23. b3 Nc5 24. Nf2 Qh4 25. g3 Qe7 26. Rd5 f6 27. h4 Qc7 28. g4 h6 29. g5 fxg5 30. hxg5 hxg5 31. Qxg5 Qf7 32. Rfd1 Nb7 33. Ng4 Qc7 34. R1d3 Kf7 35. Qg6+ Kg8 36. Rh3 Rf7 37. Nh6+ Kf8 38. Nxf7 Qxf7 39. Rh8+ Ke7 40. Qxf7+ Kxf7 41. Rxd8 Nxd8 42. Rxd6 Ke7 43. Rxa6 Nf7 44. a4 bxa4 45. bxa4 Nd6 46. Rxd6 Kxd6 47. Kf2 Kc5 48. Ke3 Kc4 49. Kd2 Kc5 50. Kd3 Kb6 51. Kc4 Ka5 52. Kd5 Kxa4 53. c4 Ka5 54. Kd6 1-0

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "5"]
[White "Ernst, Dick"]
[Black "Johnson, Clarence"]
[Result "1-0"]
[ECO "B85"]
[PlyCount "163"]
[EventDate "1966.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. Be3 Nc6 9. Nb3 0-0 10. a4 Bd7 11. f4 Qc7 12. a5 Na7 13. Bb6 Qc8 14. e5 dxe5 15. fxe5 Ne8 16. Bd3 g6 17. Qg4 Nc6 18. Qf4 Ng7 19. Rf3 Nb4 20. g4 Bc6 21. Rh3 h5 22. gxh5 Nxd3 23. Rxd3 Nxh5 24. Qg4 Qe8 25. Rh3 Ng7 26. Ne4 Bxe4 27. Qxe4 Qc6 28. Qxc6 bxc6 29. Rc3 Rfc8 30. Ra4 c5 31. Bxc5 Nf5 32. Rac4 Bxc5+ 33. Rxc5 Rxc5 34. Rxc5 Ne3 35. Rc6 Nd1 36. Nc5 Nxb2 37. Nxa6 Nc4 38. Rxc4 Rxa6 39. Rc5 Kf8 40. Kf2 Kg7 41. Ke3 g5 42. Kf3 Kg6 43. Kg4 Kh6 44. h4 gxh4 45. Kxh4 Kg6 46. Kg4 Ra8 47. Kf4 Ra6 48. Ke4 Kg5 49. Kd4 f5 50. exf6+ Kxf6 51. c3 Rd6+ 52. Ke4 Ra6 53. c4 Ra8 54. Rb5 Ra6 55. Kd4 Ra8 56. Ke4 Ra7 57. Kf4 Ra6 58. c5 Rc6 59. Ke4 Ra6 60. Kd4 Ke7 61. Ke5 Rc6 62. Kd4 Ra6 63. Ke5 Rc6 64. Kd4 Ra6 65. Kc4 Kd7 66. Rb7+ Kc8 67. Rb5 Kc7 68. Kd4 Kd8 69. Kc4 Kc7 70. Kb4 Ra8 71. Rb6 Rb8 72. Rxb8 Kxb8 73. Kc4 Kb7 74. Kd4 Ka6 75. c6 Ka7 76. Ke5 Kb8 77. Kxe6 Kc7 78. Kd5 Kb8 79. Kd6 Ka8 80. c7 Ka7 81. a6 Kxa6 82. c8Q+ 1-0

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "1"]
[White "Johnson, Clarence"]
[Black "Dastur, Soli"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "52"]
[EventDate "1966.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Nxd5 Qxd5 6. d4 e6 7. Bg5 Nc6 8. Bb5 Bd7 9. Qd2 cxd4 10. Bxc6 Bxc6 11. 0-0 h6 12. Bh4 e5 13. Rad1 f6 14. Rfe1 0-0-0 15. Qe2 Bb4 16. c4 Qa5 17. Nd2 Qxa2 18. Qg4+ Kb8 19. Re2 Bxd2 20. Rexd2 Qxc4 21. Qf5 Qb4 22. Re2 d3 23. Re3 Qxh4 24. Rexd3 Rxd3 25. Qxd3 Qe4 26. Qd6+ Ka8 1-0

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "9"]
[White "Johnson, Clarence"]
[Black "Hannon, Daniel"]
[Result "1-0"]
[ECO "A06"]
[PlyCount "51"]
[EventDate "1966.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nc6 3. Bb2 Nf6 4. g3 Bg4 5. Bg2 Bxf3 6. Bxf3 e5 7. d3 Qd7 8. 0-0 0-0-0 9. Nd2 h5 10. c4 d4 11. Ne4 Nxe4 12. Bxe4 f5 13. Bg2 g5 14. a4 h4 15. a5 hxg3 16. fxg3 f4 17. Qe1 Bb4 18. Qf2 Bxa5 19. Bxc6 Qxc6 20. Rxa5 fxg3 21. Qxg3 a6 22. Rxe5 Qb6 23. Rf7 Rhg8 24. Ree7 Rd6 25. Rxc7+ Kd8 26. Rxb7 1-0

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "10"]
[White "Johnson, Clarence"]
[Black "Hayes, Rea B"]
[Result "0-1"]
[ECO "C70"]
[PlyCount "64"]
[EventDate "1966.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 6. c3 Nxb3 7. Qxb3 d6 8. d4 Be6 9. Qc2 f6 10. 0-0 Ne7 11. dxe5 fxe5 12. Ng5 Bc4 13. Rd1 h6 14. b3 Bg8 15. Nf3 Ng6 16. c4 bxc4 17. bxc4 Be6 18. Ba3 Be7 19. Nc3 0-0 20. Nd5 Bg4 21. Rd3 Bxf3 22. Rxf3 Rxf3 23. gxf3 Nh4 24. Qc3 Qf8 25. f4 exf4 26. Nxe7+ Qxe7 27. Re1 Qg5+ 28. Kf1 Qg2+ 29. Ke2 Re8 30. Kd1 Nf3 31. Re2 Qf1+ 32. Re1 Nxe1 0-1

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "6"]
[White "Johnson, Clarence"]
[Black "Mairose, Lee"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "102"]
[EventDate "1966.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. Bg5 Bxc3+ 8. bxc3 0-0 9. Be2 Qe7 10. 0-0 d6 11. Qe1 h6 12. Bh4 g5 13. Bg3 Nxe4 14. f3 Nxg3 15. Qxg3 Qf6 16. Rad1 Bf5 17. Bd3 Bxd3 18. cxd3 Ne7 19. d4 Nf5 20. Qf2 exd4 21. Nxd4 Nxd4 22. Rxd4 Rac8 23. c4 Rfe8 24. Rfd1 Re6 25. f4 Rce8 26. fxg5 Re1+ 27. Rxe1 Rxe1+ 28. Qxe1 Qxd4+ 29. Kh1 hxg5 30. Qc1 Kf8 31. h3 Qf2 32. Qxg5 Qe1+ 33. Kh2 Qe5+ 34. Qxe5 dxe5 35. Kg3 f5 36. Kf2 Kg7 37. g4 f4 38. Kf3 Kg6 39. h4 Kf6 40. a4 b6 41. Ke4 Kg6 42. Kxe5 f3 43. Kf4 f2 44. h5+ Kg7 45. Kg5 f1Q 46. h6+ Kh7 47. Kh5 Qh1+ 48. Kg5 Qxh6+ 49. Kf5 Qf8+ 50. Kg5 Qe7+ 51. Kf5 Qf7+ 0-1

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "4"]
[White "Johnson, Clarence"]
[Black "Timmel, Robert"]
[Result "0-1"]
[ECO "B86"]
[PlyCount "66"]
[EventDate "1966.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Be3 Be7 8. Bb3 Bd7 9. f3 Nc6 10. a3 0-0 11. 0-0 Qc7 12. Na4 b5 13. Nc3 Na5 14. Ba2 Nc4 15. Bc1 Nxa3 16. Nxe6 fxe6 17. e5 dxe5 18. bxa3 Qxc3 19. Kh1 Qxa1 20. Bb3 Rad8 21. Qe2 Kh8 22. Bf4 Qxa3 23. Bxe5 a5 24. h3 a4 25. Ra1 Qc5 26. Ba2 Ra8 27. c3 Bd6 28. Bd4 Qg5 29. Qe1 Qf4 30. Bg1 Nh5 31. Qc1 Qxc1 32. Rxc1 Ng3+ 33. Kh2 Ne2+ 0-1

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "2"]
[White "Nickerson, Ken"]
[Black "Johnson, Clarence"]
[Result "1-0"]
[ECO "A25"]
[PlyCount "75"]
[EventDate "1966.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Bc5 5. e3 d6 6. Nge2 Bg4 7. 0-0 Qd7 8. a3 a6 9. Re1 0-0 10. b4 Ba7 11. Bb2 Rab8 12. Nd5 Qd8 13. Rc1 Re8 14. Qa4 Nxd5 15. Bxd5 Ne7 16. Bg2 Bd7 17. Qb3 b5 18. cxb5 Bxb5 19. Nc3 Bd7 20. Qc2 c6 21. Ne4 Bf5 22. Qa4 Rb6 23. d4 Bxe4 24. Bxe4 d5 25. Bd3 Qc8 26. dxe5 Bb8 27. Bd4 Rb7 28. Bxa6 Rxb4 29. axb4 Qf5 30. Bb7 Bxe5 31. Bxe5 Qxe5 32. Bxc6 Nxc6 33. Qxc6 f5 34. Red1 Rd8 35. Rc5 g6 36. Rcxd5 Rxd5 37. Qxd5+ Qxd5 38. Rxd5 1-0

[Event "Cincinnati-ch"]
[Site "Cincinnati"]
[Date "1966.??.??"]
[Round "8"]
[White "Riesenbeck, Jack"]
[Black "Johnson, Clarence"]
[Result "1-0"]
[ECO "D38"]
[PlyCount "115"]
[EventDate "1966.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. Bg5 Nbd7 6. e3 c5 7. cxd5 exd5 8. Be2 0-0 9. 0-0 Nb6 10. Rc1 c4 11. Qc2 Qd6 12. Bf4 Qd8 13. Ne5 Nbd7 14. Bg5 Qa5 15. Nxd7 Nxd7 16. a3 Bd6 17. Bf3 Nb6 18. Bh4 Bd7 19. Bg3 Bxg3 20. hxg3 f5 21. Rfe1 Rae8 22. Qd2 Be6 23. Red1 Qa6 24. Na2 Qb5 25. Qb4 Qxb4 26. Nxb4 a5 27. Na2 Na4 28. Rd2 b5 29. Nc3 Nxc3 30. bxc3 g5 31. Rb2 g4 32. Bd1 Rb8 33. Rcb1 Bd7 34. a4 b4 35. cxb4 c3 36. Ra2 axb4 37. Bb3 Bc6 38. f3 Kg7 39. Kf2 Rb7 40. Ke2 Kf6 41. Kd3 Rg8 42. Rh1 gxf3 43. Rh6+ Rg6 44. Rxg6+ Kxg6 45. gxf3 Kg5 46. Ra1 h5 47. Rh1 Ra7 48. Ra1 Bb5+ 49. Kc2 Bc4 50. Re1 h4 51. gxh4+ Kxh4 52. e4 Kg3 53. exf5 Kxf3 54. f6 Rh7 55. Bxc4 dxc4 56. f7 Rh2+ 57. Kc1 b3 58. f8Q+ 1-0

