[Event "Detroit-ch MI op"]
[Site "Detroit"]
[Date "1994.??.??"]
[Round "2"]
[White "Bailey, Gregory E"]
[Black "Leighton, George"]
[Result "1-0"]
[ECO "E65"]
[PlyCount "85"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 0-0 5. Nc3 d6 6. d4 Nbd7 7. 0-0 c5 8. d5 a6 9. e4 Qc7 10. Qc2 Ng4 11. h3 Nge5 12. Nd2 Nb6 13. b3 f5 14. f4 Nf7 15. Bb2 Bd7 16. Rae1 Rae8 17. exf5 Bxf5 18. Nce4 e5 19. dxe6 Rxe6 20. Bxg7 Bxe4 21. Nxe4 Kxg7 22. Qc3+ Kg8 23. Nf6+ Rxf6 24. Qxf6 Nd8 25. Re7 Rxf6 26. Rxc7 Re6 27. Bxb7 a5 28. Kf2 Nf7 29. Re1 Rf6 30. Re8+ Kg7 31. Ree7 Kf8 32. Ke3 h6 33. Bc6 a4 34. Rb7 axb3 35. axb3 Nxc4+ 36. bxc4 g5 37. Rxf7+ Rxf7 38. Rxf7+ Kxf7 39. f5 h5 40. Ke4 Ke7 41. g4 hxg4 42. hxg4 Kd8 43. Kd5 1-0

[Event "Detroit-ch MI op"]
[Site "Detroit"]
[Date "1994.??.??"]
[Round "1"]
[White "Leighton, George"]
[Black "Everett, Morgan"]
[Result "0-1"]
[ECO "A61"]
[PlyCount "78"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Bg5 Bg7 8. Qd2 h6 9. Bh4 0-0 10. e3 a6 11. Bd3 b5 12. a3 Nbd7 13. 0-0 Qe7 14. Rfe1 g5 15. Bg3 Nh5 16. e4 Nxg3 17. hxg3 Ne5 18. Nxe5 Qxe5 19. Rab1 Bd7 20. Ne2 Rfe8 21. f4 Qf6 22. Rf1 Bg4 23. fxg5 Qxg5 24. Qxg5 hxg5 25. Rf2 Be5 26. Kh2 Kg7 27. Ng1 Rh8+ 28. Nh3 c4 29. Bf1 Bd7 30. Kg1 g4 31. Nf4 Bd4 32. b3 Rh6 33. bxc4 Rah8 34. Nh3 gxh3 35. gxh3 Bxh3 36. cxb5 Bxf1 37. Rbxf1 axb5 38. Kg2 Rh2+ 39. Kf3 Rxf2+ 0-1

[Event "US Open-95"]
[Site "Chicago"]
[Date "1994.??.??"]
[Round "7"]
[White "Leighton, George"]
[Black "Groeger, Andrew T"]
[Result "0-1"]
[ECO "E88"]
[PlyCount "92"]
[EventDate "1994.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Qd2 cxd5 9. cxd5 Nbd7 10. g4 Nb6 11. h4 Bd7 12. Rc1 Na4 13. Bg5 Nxc3 14. Rxc3 b5 15. a3 a5 16. Rc1 Qb6 17. Be3 Qb7 18. Bd3 b4 19. Ne2 bxa3 20. bxa3 Rfb8 21. Rb1 Qc7 22. 0-0 a4 23. Nc3 Rb3 24. Rxb3 axb3 25. Qb2 Qa5 26. a4 Qb4 27. Rc1 Rc8 28. Bb5 Bxb5 29. axb5 Nd7 30. Kf1 Bf6 31. g5 Bd8 32. Bd2 Qd4 33. Be1 Nc5 34. Bf2 Qc4+ 35. Ne2 Qxb5 36. Rb1 Bb6 37. Qc1 Rc7 38. Qa3 Ra7 39. Qc1 Ra2 40. Qd1 Qc4 41. Rxb3 Nxb3 42. Bxb6 Nd4 43. Bxd4 exd4 44. Ke1 d3 45. Nf4 Qd4 46. Nh3 Ra1 0-1

[Event "Detroit-ch MI op"]
[Site "Detroit"]
[Date "1994.??.??"]
[Round "3"]
[White "Leighton, George"]
[Black "Smith, E."]
[Result "1-0"]
[ECO "A83"]
[PlyCount "97"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. Bxf6 exf6 6. Nxe4 d5 7. Ng3 Be6 8. Bd3 c6 9. N1e2 Nd7 10. 0-0 Qc7 11. c3 0-0-0 12. b4 Nb6 13. a4 f5 14. f4 h5 15. Rf3 h4 16. Nf1 Nc4 17. Qc1 Bd6 18. Qc2 Kd7 19. Nd2 Nxd2 20. Qxd2 b6 21. Kh1 Rdf8 22. Raf1 Rf6 23. Ng1 Bf7 24. Nh3 Bg8 25. Ng5 Rf8 26. Qf2 Be7 27. Rh3 Bxg5 28. fxg5 Be6 29. Rxh4 Qb8 30. Rxh8 Rxh8 31. g3 b5 32. axb5 cxb5 33. Qf4 a6 34. Qxb8 Rxb8 35. Ra1 Rc8 36. Rxa6 Rxc3 37. Bxb5+ Ke7 38. Ra7+ Kf8 39. Bd7 Bxd7 40. Rxd7 Rc4 41. Rxd5 Rxb4 42. Rd6 Kf7 43. h4 Rb2 44. Rf6+ Kg7 45. d5 Rd2 46. d6 Kh7 47. Re6 Kg7 48. Rf6 Kh7 49. Kg1 1-0

[Event "Detroit-ch MI op"]
[Site "Detroit"]
[Date "1994.??.??"]
[Round "4"]
[White "Rajlich, Vasik G"]
[Black "Leighton, George"]
[Result "1-0"]
[ECO "C14"]
[PlyCount "105"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Nf3 c5 9. Qd2 Nc6 10. 0-0-0 b5 11. g3 Bb7 12. Bh3 g6 13. g4 h5 14. gxh5 Rxh5 15. Bg4 Rh8 16. h4 Nxd4 17. Nxd4 cxd4 18. Qxd4 Rxh4 19. Rxh4 Qxh4 20. Bf3 Qe7 21. Rh1 0-0-0 22. Rh7 Rf8 23. b4 Kb8 24. Be2 Rc8 25. Bxb5 axb5 26. Nxb5 Rc6 27. Rh8+ Nf8 28. Qa7+ Kc8 29. Nd6+ Rxd6 30. exd6 Qxd6 31. Qc5+ Qxc5 32. bxc5 Kd7 33. Rxf8 Ke7 34. Rb8 Bc6 35. Kd2 f6 36. Rb4 e5 37. fxe5 fxe5 38. a4 Kd7 39. a5 Kc7 40. Rg4 e4 41. Rxg6 Ba8 42. Ke3 Bc6 43. Kd4 Ba8 44. c4 dxc4 45. Kxc4 Bb7 46. Rg7+ Kb8 47. Rxb7+ Kxb7 48. Kd4 e3 49. Kxe3 Kb8 50. Kd4 Kb7 51. Kd5 Kc7 52. a6 Kb8 53. Kd6 1-0

[Event "East Lansing-ch MI op-A"]
[Site "East Lansing"]
[Date "1991.??.??"]
[Round "?"]
[White "Johnson, Kyle1111"]
[Black "Leighton, George"]
[Result "1-0"]
[ECO "A22"]
[PlyCount "165"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. e4 a6 4. g3 Bc5 5. Bg2 d6 6. Nge2 Nc6 7. 0-0 Bg4 8. h3 Be6 9. d3 Qd7 10. Kh2 h6 11. Nd5 Bxd5 12. cxd5 Ne7 13. d4 exd4 14. Nxd4 g5 15. Nb3 Bb6 16. Be3 Ng6 17. Bxb6 cxb6 18. Qd4 Qd8 19. Rad1 0-0 20. f4 gxf4 21. gxf4 Nh5 22. f5 Ne5 23. Bf3 Ng7 24. Qe3 Kh7 25. Rg1 Rg8 26. Qf4 Qf6 27. Be2 b5 28. Na5 Rab8 29. Rd2 Rgc8 30. Bd1 b6 31. Nb3 Ne8 32. Bh5 Ng7 33. Bd1 Rg8 34. Rdg2 Nd3 35. Qg3 Nc5 36. Nxc5 bxc5 37. Qf4 Rbf8 38. a3 Ne8 39. Bg4 Rg7 40. Re2 Rfg8 41. Rgg2 Qh4 42. f6 Qxf6 43. Qxf6 Nxf6 44. Bf5+ Kh8 45. Rxg7 Rxg7 46. Rf2 Kg8 47. Rf4 Nh5 48. Rf3 Kf8 49. Bg4 Rg5 50. Kg2 Ke7 51. Kf2 Ng7 52. b4 Re5 53. Re3 Ne8 54. Ke2 Kd8 55. Kd3 Ng7 56. Be2 f5 57. exf5 Rxe3+ 58. Kxe3 Nxf5+ 59. Kf4 Nd4 60. Bd1 Ke7 61. bxc5 dxc5 62. Ke5 a5 63. d6+ Kd7 64. Kd5 b4 65. axb4 axb4 66. Bg4+ Kd8 67. Kxc5 Ne6+ 68. Kxb4 Nf4 69. h4 Ng6 70. h5 Nf4 71. Bd1 Nd5+ 72. Kc5 Nf6 73. Kd4 Kd7 74. Ke5 Nh7 75. Bg4+ Kd8 76. Kf5 Nf8 77. Kf6 Nh7+ 78. Kg6 Ng5 79. d7 Ke7 80. Kxh6 Nf7+ 81. Kg7 Nd8 82. h6 Ne6+ 83. Kg8 1-0

[Event "East Lansing-ch MI op-A"]
[Site "East Lansing"]
[Date "1991.??.??"]
[Round "?"]
[White "Kung, F."]
[Black "Leighton, George"]
[Result "0-1"]
[ECO "C18"]
[PlyCount "102"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 cxd4 6. Qxd4 Nc6 7. Qg4 Bxc3+ 8. bxc3 Nxe5 9. Qxg7 Ng6 10. Qd4 e5 11. Bb5+ Kf8 12. Qc5+ Kg7 13. Nf3 Be6 14. Qe3 f6 15. Bd3 Qc8 16. Bxg6 hxg6 17. Bb2 Ne7 18. 0-0 Qc7 19. c4 Nf5 20. Qe2 d4 21. Rfe1 Bxc4 22. Qe4 Rad8 23. Nxe5 fxe5 24. Qxe5+ Qxe5 25. Rxe5 Rhe8 26. Rae1 Rxe5 27. Rxe5 Kf7 28. g4 Ne7 29. f4 Nc6 30. Re4 Bd5 31. Re1 Rh8 32. c3 Rh4 33. cxd4 Rxg4+ 34. Kf1 Rxf4+ 35. Kg1 Rg4+ 36. Kf1 Rg2 37. Re2 Rxe2 38. Kxe2 Ke6 39. Ke3 Kf5 40. Bc3 a5 41. Be1 Kg4 42. Bg3 b5 43. Bd6 b4 44. axb4 axb4 45. Kd3 Kf3 46. Bc5 g5 47. Bd6 g4 48. Bc5 Ba2 49. Bd6 Bb1+ 50. Kc4 Ke4 51. d5 Ba2+ 0-1

[Event "East Lansing-ch MI op-A"]
[Site "East Lansing"]
[Date "1991.??.??"]
[Round "?"]
[White "Leighton, George"]
[Black "Bagherabadi, Mohammad"]
[Result "0-1"]
[ECO "E32"]
[PlyCount "118"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 b6 5. e4 Bb7 6. f3 Qe7 7. Bd3 h6 8. e5 Ng8 9. Nge2 Qh4+ 10. g3 Bxc3+ 11. bxc3 Qd8 12. 0-0 Nc6 13. f4 Nge7 14. Ba3 g6 15. Be4 Nf5 16. Rf3 Ba6 17. Qa4 Na5 18. g4 Nh4 19. Rh3 Bxc4 20. Kf2 Bd5 21. Ng3 Nc4 22. Bc1 c6 23. Qb4 a5 24. Qb1 a4 25. f5 g5 26. Nh5 Qe7 27. f6 Qf8 28. Ng7+ Kd8 29. Bd3 Kc7 30. Qc2 a3 31. Rb1 b5 32. Nh5 Qd8 33. Be2 d6 34. exd6+ Nxd6 35. Bd3 Bc4 36. Bf4 gxf4 37. Rxh4 Ne8 38. Bxc4 bxc4 39. Qe4 Qd6 40. Kf3 Rg8 41. Qxf4 Qxf4+ 42. Kxf4 Rg6 43. Ke5 Ra5+ 44. Ke4 Nxf6+ 45. Nxf6 Rxf6 46. Ke3 Rb5 47. Rxb5 cxb5 48. Rh5 Kb6 49. Ke2 Rg6 50. h3 Ka5 51. Rc5 Kb6 52. Rc8 Kb7 53. Rc5 Rg5 54. Re5 Rxe5+ 55. dxe5 Kc6 56. Ke3 Kd5 57. Kf4 b4 58. cxb4 Kd4 59. b5 c3 0-1

[Event "East Lansing-ch MI op-A"]
[Site "East Lansing"]
[Date "1991.??.??"]
[Round "?"]
[White "Leighton, George"]
[Black "Czuhai, Kevin"]
[Result "0-1"]
[ECO "E80"]
[PlyCount "40"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. f3 c5 6. d5 d6 7. Bd3 e6 8. Bg5 Qa5 9. Qd2 a6 10. Nge2 exd5 11. exd5 Re8 12. h3 Nbd7 13. f4 b5 14. b3 b4 15. Na4 Nxd5 16. 0-0-0 Ne3 17. Rdg1 d5 18. cxd5 c4 19. Bc2 Nc5 20. Nxc5 Qa3+ 0-1

[Event "East Lansing-ch MI op-A"]
[Site "East Lansing"]
[Date "1991.??.??"]
[Round "?"]
[White "Leighton, George"]
[Black "Tobias, Phil"]
[Result "1-0"]
[ECO "D10"]
[PlyCount "120"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. e3 Bf5 3. c4 c6 4. Nc3 Nf6 5. f4 Nbd7 6. Nf3 e6 7. a3 Bg4 8. h3 Bxf3 9. Qxf3 Be7 10. c5 b6 11. b4 bxc5 12. bxc5 Rb8 13. Bd3 Qa5 14. Bd2 Qc7 15. Ra2 0-0 16. 0-0 Rb7 17. g4 g6 18. Nd1 Ne4 19. Bxe4 dxe4 20. Qxe4 f5 21. Qxe6+ Rf7 22. gxf5 gxf5 23. Bc1 Kf8 24. Rg2 Ke8 25. Kh1 Rf6 26. Qg8+ Nf8 27. Rfg1 Kd7 28. Qc4 Rh6 29. Kh2 Ng6 30. d5 Bf8 31. d6 Qd8 32. Qf7+ Kc8 33. Qxf5+ Kb8 34. Qg5 Qc8 35. Nf2 Nh4 36. Rg3 Nf5 37. d7 Qxd7 38. Rd1 Qe6 39. Qd8+ Qc8 40. Rg8 Rf7 41. Rd3 Ne7 42. Rxf8 Rxf8 43. Qxe7 Re8 44. Qd7 Rh5 45. Qxc8+ Kxc8 46. Rc3 Re7 47. e4 Rb7 48. f5 Rb1 49. Kg3 Rb7 50. Kg4 Rxf5 51. exf5 Rf7 52. Kg5 Kd8 53. f6 Ke8 54. Kf5 Rd7 55. Ke6 h5 56. Rg3 Rf7 57. Rg8+ Rf8 58. f7+ Kd8 59. Rxf8+ Kc7 60. Ra8 h4 1-0

[Event "East Lansing-ch MI op-A"]
[Site "East Lansing"]
[Date "1991.??.??"]
[Round "?"]
[White "Needleman, Alejandro"]
[Black "Leighton, George"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "2340"]
[PlyCount "89"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c6 7. Bd3 a6 8. Nge2 Nbd7 9. 0-0 b5 10. b3 Ne8 11. Qd2 b4 12. Nd1 a5 13. Rc1 c5 14. d5 Ne5 15. Bb1 f5 16. Bh6 fxe4 17. Bxg7 Kxg7 18. Bxe4 Nf6 19. Bb1 a4 20. f4 Neg4 21. f5 axb3 22. axb3 Bxf5 23. Bxf5 gxf5 24. Qg5+ Kh8 25. Rxf5 Rg8 26. Qf4 Ne5 27. Rb1 Ra2 28. Ng3 Qe8 29. Nf2 Ng6 30. Qe3 Ne5 31. Rxe5 dxe5 32. Qxe5 Rg7 33. Nf5 Rf7 34. Ne4 Re2 35. Nfg3 Ra2 36. Rf1 Rf8 37. Nxc5 Kg8 38. Ne6 Rf7 39. Nf5 Kh8 40. Nh6 Rd2 41. g3 Ra2 42. d6 Rg7 43. Nxg7 Qa8 44. Rf2 Ra1+ 45. Rf1 1/2-1/2

[Event "East Lansing-ch MI op-A"]
[Site "East Lansing"]
[Date "1991.??.??"]
[Round "?"]
[White "Williams, R."]
[Black "Leighton, George"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "97"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. Bb5 a6 3. Ba4 b5 4. Bb3 Bb7 5. Qe2 Nf6 6. d3 Be7 7. Be3 0-0 8. Nd2 Nc6 9. c3 d5 10. e5 Nxe5 11. d4 Nc4 12. Rc1 Bd6 13. Bg5 h6 14. h4 Re8 15. Bxc4 dxc4 16. Bxf6 Qxf6 17. Ngf3 e5 18. d5 Bxd5 19. 0-0 e4 20. Nh2 Qxh4 21. g3 Bxg3 22. fxg3 Qxg3+ 23. Qg2 Qd3 24. Ng4 Re6 25. Nf6+ Rxf6 26. Rxf6 e3 27. Rf3 Re8 28. Re1 Re6 29. Nf1 Rg6 30. Ng3 Bxf3 31. Qxf3 e2 32. Kg2 f5 33. Kf2 Qd6 34. Nxe2 Qh2+ 35. Ke3 Re6+ 36. Kd2 Qe5 37. Qf2 c5 38. Ng3 Qd5+ 39. Kc1 Rf6 40. Nh5 Rf7 41. Nf4 Qc6 42. Re6 Qh1+ 43. Kc2 Rd7 44. Re1 Qc6 45. Qe3 Rd6 46. Qe7 g5 47. Nh5 Qd7 48. Nf6+ Rxf6 49. Qxd7 1-0

[Event "National op"]
[Site "Chicago"]
[Date "1988.??.??"]
[Round "?"]
[White "Fraats, Daniel"]
[Black "Leighton, George"]
[Result "1-0"]
[ECO "C06"]
[PlyCount "107"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 cxd4 9. cxd4 Be7 10. 0-0 h6 11. a3 a5 12. Rb1 g5 13. Be3 Rg8 14. Qd2 a4 15. Rbd1 Na5 16. Nc1 Qc6 17. Ne1 Nb6 18. f4 Nac4 19. Qe2 Nxe3 20. Bb5 Nbc4 21. Bxc6+ bxc6 22. Ned3 gxf4 23. Nxf4 Bg5 24. Ncd3 Ba6 25. Rf2 Nxd1 26. Qxd1 Bb5 27. Qh5 Ra7 28. h4 Bxf4 29. Nxf4 Ne3 30. Nxe6 Ng4 31. Rf4 Ne3 32. Nc5 Nxg2 33. Rg4 Rxg4 34. Qxg4 Ne1 35. Qg8+ Ke7 36. Qb8 Rd7 37. Nxd7 Kxd7 38. Qd6+ Ke8 39. Qxh6 Nf3+ 40. Kf2 Nxd4 41. h5 Ne6 42. Qh8+ Nf8 43. Ke3 c5 44. h6 d4+ 45. Kd2 Ke7 46. Qf6+ Ke8 47. Qb6 Bd7 48. Qxc5 Ne6 49. Qd6 Ng5 50. Qb8+ Ke7 51. Qg8 Nf3+ 52. Kd1 Nxe5 53. h7 Ng6 54. Qxg6 1-0

[Event "US Open-83"]
[Site "St Paul"]
[Date "1982.08.09"]
[Round "2"]
[White "Peilen, Mark A"]
[Black "Leighton, George"]
[Result "1-0"]
[ECO "A82"]
[PlyCount "39"]
[EventDate "1982.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 e6 6. Bg5 Be7 7. Bd3 0-0 8. 0-0 Qe8 9. Qe1 h6 10. Bxf6 Rxf6 11. Qe4 Rf5 12. Qg4 Rf6 13. Ne5 d5 14. Bg6 Qd8 15. Bf7+ Kf8 16. Bxe6 Bxe6 17. Qxe6 Qe8 18. Nxd5 Nc6 19. Nd7+ Qxd7 20. Qxd7 1-0

[Event "Milwaukee North Central op"]
[Site "Milwaukee"]
[Date "1971.??.??"]
[Round "3"]
[White "Bender, Fred B"]
[Black "Leighton, George"]
[Result "0-1"]
[ECO "B75"]
[PlyCount "34"]
[EventDate "1971.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. f3 Bd7 8. Be3 Nc6 9. Qd2 h5 10. 0-0-0 Na5 11. Bd3 Rc8 12. Qe2 a6 13. Nb3 b5 14. Nxa5 Qxa5 15. a3 Rxc3 16. bxc3 Qxa3+ 17. Kb1 Nd5 0-1

[Event "Chicago op"]
[Site "Chicago"]
[Date "1970.??.??"]
[Round "?"]
[White "Kamp, A."]
[Black "Leighton, George"]
[Result "0-1"]
[ECO "E01"]
[PlyCount "46"]
[EventDate "1970.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 d5 5. 0-0 Bd6 6. c4 c6 7. b3 Nbd7 8. Nc3 0-0 9. Qc2 Ne4 10. Nd2 Qf6 11. e3 Qh6 12. f4 Ndf6 13. Nf3 Ng4 14. Ne2 Bd7 15. h3 Ngf6 16. Bd2 Be8 17. Be1 Bh5 18. Kh2 Kh8 19. Nfg1 g5 20. Rc1 Bxe2 21. Nxe2 Ng4+ 22. Kg1 Nxe3 23. Qd3 Nxf1 0-1

[Event "Greater Chicago op"]
[Site "Chicago"]
[Date "1968.??.??"]
[Round "3"]
[White "Leighton, George"]
[Black "Karklins, Erik"]
[Result "0-1"]
[ECO "D05"]
[PlyCount "48"]
[EventDate "1968.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 e6 3. Bd3 c5 4. c3 b6 5. f4 Bb7 6. Nf3 d5 7. Ne5 Bd6 8. Nd2 0-0 9. Qf3 Nbd7 10. 0-0 Qe7 11. g4 g6 12. Rf2 Rac8 13. h4 Bxe5 14. fxe5 Ne4 15. Rh2 f6 16. exf6 Ndxf6 17. Qg2 e5 18. g5 Nh5 19. Bxe4 dxe4 20. Nb3 Rf3 21. Rh3 Qe6 22. Rxf3 exf3 23. Qf2 Qh3 24. Qh2 f2+ 0-1

[Event "Greater Chicago op"]
[Site "Chicago"]
[Date "1968.??.??"]
[Round "4"]
[White "Stern, Howard"]
[Black "Leighton, George"]
[Result "1/2-1/2"]
[ECO "B73"]
[PlyCount "41"]
[EventDate "1968.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Bd7 8. 0-0 0-0 9. f4 Nc6 10. Qd2 Qc8 11. Rf2 Ng4 12. Bxg4 Bxg4 13. h3 Bd7 14. Rc1 Nxd4 15. Bxd4 Qc4 16. Bxg7 Kxg7 17. e5 Qb4 18. exd6 exd6 19. f5 Bxf5 20. Rxf5 gxf5 21. Qg5+ 1/2-1/2

