[Event "Flint-ch MI class-B"]
[Site "Flint"]
[Date "1993.??.??"]
[Round "4"]
[White "Hawley, T."]
[Black "Roberts, K."]
[Result "1/2-1/2"]
[ECO "C11"]
[PlyCount "47"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 a6 6. Qg4 c5 7. Nf3 Nc6 8. Ne2 Qa5+ 9. Bd2 Qb6 10. Bc3 Qc7 11. a4 Nb4 12. Bxb4 cxb4 13. c3 Qa5 14. Kf2 Nb6 15. Ng3 bxc3 16. bxc3 Qxc3 17. Be2 Nc4 18. Bxc4 dxc4 19. Rhc1 Qd3 20. Ne2 Bd7 21. Rc3 Qg6 22. Qxg6 hxg6 23. Rxc4 Bc6 24. h3 1/2-1/2

[Event "Flint-ch MI class-B"]
[Site "Flint"]
[Date "1993.??.??"]
[Round "5"]
[White "Roberts, K."]
[Black "Gregory, Kevin"]
[Result "0-1"]
[ECO "A90"]
[PlyCount "72"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 f5 4. cxd5 exd5 5. g3 c6 6. Bg2 Nf6 7. Bg5 Be7 8. Nh3 Ne4 9. Bxe7 Qxe7 10. Nf4 0-0 11. e3 Nd7 12. 0-0 Ndf6 13. Nd3 Bd7 14. Qc2 Rae8 15. Ne2 Qd6 16. Nef4 Re7 17. Ne5 Ng4 18. Nfd3 Qh6 19. Nxg4 fxg4 20. Rae1 Ng5 21. f4 gxf3 22. Qf2 Ne4 23. Qc2 fxg2 24. Qxg2 Rxf1+ 25. Qxf1 Rf7 26. Qe2 Bh3 27. Nf4 g5 28. Qh5 Qxh5 29. Nxh5 h6 30. g4 Bxg4 31. Ng3 Nxg3 32. hxg3 Bf3 33. Kh2 Be4 34. Kh3 h5 35. Re2 Rf1 36. a3 Rh1+ 0-1

[Event "Flint-ch MI class-B"]
[Site "Flint"]
[Date "1993.??.??"]
[Round "2"]
[White "Roberts, K."]
[Black "Griffin, J."]
[Result "1-0"]
[ECO "D55"]
[PlyCount "79"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. e3 b6 6. Nc3 Bb7 7. Rc1 0-0 8. Qc2 h6 9. Bh4 Nbd7 10. cxd5 exd5 11. Bd3 c5 12. 0-0 Re8 13. Bg3 cxd4 14. Nxd4 Rc8 15. Qe2 Nb8 16. Bf5 Rc5 17. Ncb5 Rf8 18. Nb3 Rxb5 19. Qxb5 Ba6 20. Qa4 Bxf1 21. Kxf1 Qe8 22. Qxa7 Qb5+ 23. Kg1 Nc6 24. Qb7 Na5 25. Nxa5 Qxb2 26. Nb3 Bc5 27. Qc7 Ne4 28. Qe5 Qxa2 29. Bxe4 Qxb3 30. Bxd5 Qb4 31. Qc3 Qb5 32. Be5 Rd8 33. Bc4 Qd7 34. Bxg7 Ba3 35. Bxh6 Bf8 36. Bxf8 Kxf8 37. Qh8+ Ke7 38. Qg7 Ke8 39. Qg8+ Ke7 40. Qxf7+ 1-0

[Event "Flint-ch MI class-B"]
[Site "Flint"]
[Date "1993.??.??"]
[Round "3"]
[White "Saulmon, Scott"]
[Black "Roberts, K."]
[Result "0-1"]
[ECO "B82"]
[PlyCount "142"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 a6 6. Nf3 c5 7. a3 Nc6 8. dxc5 Bxc5 9. Bd3 Be7 10. 0-0 0-0 11. Be3 f6 12. Nd4 Nc5 13. Be2 fxe5 14. Nxc6 bxc6 15. fxe5 Nd7 16. Bf4 Qb6+ 17. Kh1 Qxb2 18. Qd2 Qb6 19. Qd3 a5 20. Qh3 Rf7 21. Bd3 Nf8 22. Bd2 Ba6 23. Bxh7+ Nxh7 24. Rxf7 Kxf7 25. Qxh7 Qf2 26. Qh5+ Kg8 27. Qd1 Rf8 28. Qe1 Bc5 29. Qxf2 Rxf2 30. Na4 Bd4 31. Bc3 Bxc3 32. Nxc3 Rxc2 33. Na4 Bd3 34. g3 Be4+ 35. Kg1 Rg2+ 36. Kf1 Rxh2 37. Re1 Rh1+ 38. Kf2 Rxe1 39. Kxe1 Bc2 40. Nc5 a4 41. Nxe6 Bf5 42. Nc5 Kf7 43. Nxa4 Ke6 44. Kd2 Kxe5 45. Nc5 Bc8 46. a4 Kd6 47. Nd3 c5 48. Nf4 Kc6 49. Kc3 Bb7 50. Ne6 g6 51. Nf4 g5 52. Nh3 g4 53. Nf2 Bc8 54. Nd3 Bf5 55. Nb2 Kb6 56. Nd1 Ka5 57. Kb2 Be6 58. Ka3 d4 59. Nb2 c4 60. Nd1 Bd5 61. Nb2 d3 62. Nd1 Be4 63. Kb2 Bf3 64. Ne3 Kb4 65. a5 c3+ 66. Kc1 Kxa5 67. Nc4+ Kb4 68. Ne3 d2+ 69. Kc2 d1Q+ 70. Nxd1 Bxd1+ 71. Kxd1 Kc4 0-1

[Event "Detroit ch-MI"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Baze, Lineas"]
[Black "Roberts, K."]
[Result "1-0"]
[ECO "C14"]
[PlyCount "55"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[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 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Nf3 c5 9. Be2 0-0 10. 0-0 cxd4 11. Nxd4 Nc6 12. Nxc6 bxc6 13. Bd3 f5 14. Ne2 c5 15. c3 Bb7 16. Kh1 Qf7 17. Ng1 Kh8 18. Nf3 Rg8 19. Ng5 Qg6 20. Be2 Qe8 21. Rf3 g6 22. Rh3 Rg7 23. Rh6 Qe7 24. h4 c4 25. Qd2 Kg8 26. h5 Nf8 27. hxg6 Rxg6 28. Rh3 1-0

[Event "Detroit"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Drkulec, Vladimir"]
[Black "Roberts, K."]
[Result "1-0"]
[ECO "D87"]
[PlyCount "101"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[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 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 c5 9. Be3 Nc6 10. Rc1 Qc7 11. h4 h5 12. 0-0 Rd8 13. Qd2 Na5 14. Bd3 c4 15. Bb1 e6 16. Bg5 f6 17. Be3 f5 18. Bg5 Re8 19. Nf4 Kh7 20. e5 b6 21. f3 Qf7 22. Nh3 Nc6 23. Qe2 b5 24. g4 Ne7 25. Bxe7 Qxe7 26. Ng5+ Kg8 27. gxh5 Bh6 28. f4 Qg7 29. hxg6 Bxg5 30. hxg5 Qxg6 31. Rf2 Re7 32. Rh2 Rg7 33. Kf2 Bb7 34. Rg1 Rh7 35. Ke3 Rxh2 36. Qxh2 Kg7 37. Rg3 Rh8 38. Rh3 Rxh3+ 39. Qxh3 Bc6 40. Bc2 Be8 41. Bd1 a5 42. a3 Qh7 43. Qxh7+ Kxh7 44. Bf3 Kg7 45. d5 exd5 46. Bxd5 Kg6 47. Be6 b4 48. cxb4 axb4 49. axb4 Bb5 50. Kd4 Kh5 51. Bxf5 1-0

[Event "Detroit ch-MI"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Kane, Paul"]
[Black "Roberts, K."]
[Result "0-1"]
[ECO "D81"]
[PlyCount "62"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[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 d5 4. Qb3 dxc4 5. Qxc4 a6 6. Bf4 c6 7. e3 Bg7 8. Nf3 b5 9. Qb3 Be6 10. Qc2 0-0 11. Bd3 h6 12. 0-0 Nbd7 13. Ne4 Rc8 14. Nc5 Nxc5 15. dxc5 Nd5 16. Bxg6 fxg6 17. Qxg6 Rf6 18. Qg3 Nxf4 19. exf4 Qf8 20. Nd4 Bd5 21. f5 e6 22. Nxe6 Bxe6 23. fxe6 Rxe6 24. Qb3 Qf7 25. Rad1 Rce8 26. Rd3 Re5 27. Qd1 Rd5 28. Rxd5 Qxd5 29. Qc2 Qe5 30. b3 Qe2 31. Qg6 Re6 0-1

[Event "Detroit"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Levadi, David"]
[Black "Roberts, K."]
[Result "1-0"]
[ECO "B02"]
[PlyCount "111"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nc3 e6 2. e4 d5 3. f4 Nf6 4. e5 Nfd7 5. Nf3 a6 6. g3 c5 7. Bg2 Nc6 8. 0-0 Be7 9. Kh1 h5 10. Qe2 h4 11. gxh4 Bxh4 12. Kg1 g6 13. Nd1 b5 14. c3 Bb7 15. Nf2 Qe7 16. d4 Bxf2+ 17. Rxf2 cxd4 18. cxd4 Qb4 19. Be3 Nb6 20. b3 Qf8 21. a4 bxa4 22. bxa4 a5 23. Qb5 Qb4 24. Rb2 Qxb5 25. Rxb5 Nc4 26. Rxb7 Nxe3 27. Rc1 Nd8 28. Rb5 0-0 29. Nd2 Nf5 30. Nb3 Re8 31. Bh3 Nh4 32. Kf2 Ra6 33. Rc8 Rc6 34. Rbb8 Rxc8 35. Rxc8 Kf8 36. Nxa5 Ke7 37. Rc7+ Kf8 38. Kg3 Nf5+ 39. Bxf5 gxf5 40. Nb3 Re7 41. Rxe7 Kxe7 42. Kh4 Kf8 43. Kg5 Kg7 44. a5 Nc6 45. a6 Na7 46. h4 Nc6 47. h5 Na7 48. Na5 Nb5 49. Nc6 Nc7 50. a7 Na8 51. h6+ Kh7 52. Ne7 Nc7 53. Nc6 Na8 54. Nd8 Nc7 55. Nxf7 Ne8 56. a8N 1-0

[Event "Detroit ch-MI op"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Mazuchowski, Tom"]
[Black "Roberts, K."]
[Result "1-0"]
[ECO "C11"]
[PlyCount "39"]
[EventDate "1992.??.??"]
[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 Nf6 4. e5 Nfd7 5. f4 c5 6. dxc5 Nc6 7. Bd3 Nxc5 8. Nf3 Be7 9. 0-0 0-0 10. Kh1 f5 11. exf6 Bxf6 12. Bd2 e5 13. fxe5 Bxe5 14. Nxe5 Rxf1+ 15. Bxf1 Nxe5 16. Be3 Ng4 17. Bxc5 Qh4 18. Qxd5+ Kh8 19. Bg1 Nf2+ 20. Bxf2 1-0

[Event "Detroit"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Rajlich, Vasik G"]
[Black "Roberts, K."]
[Result "1-0"]
[ECO "C14"]
[PlyCount "95"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[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 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Nf3 c5 9. Qe2 Nc6 10. 0-0-0 b5 11. h4 Nb6 12. Nxb5 axb5 13. Qxb5 Qc7 14. dxc5 Nd7 15. a3 Rb8 16. Qe2 Nxc5 17. Ng5 Nd4 18. Qf2 h6 19. Nh3 Ndb3+ 20. Kb1 Ne4 21. Qe3 Na5 22. Rd4 Qb6 23. Bb5+ Ke7 24. a4 Bd7 25. Qa3+ Qc5 26. Qxc5+ Nxc5 27. Bxd7 Nxd7 28. Nf2 Rhc8 29. Rh3 Rc4 30. Rxc4 Nxc4 31. b3 Na5 32. Rg3 Kf8 33. Ka2 Rb4 34. Nd3 Re4 35. Ka3 f6 36. exf6 Nxf6 37. Nc5 Re2 38. Kb4 Nc6+ 39. Kb5 Nd4+ 40. Kb6 Nxc2 41. a5 d4 42. a6 Nd5+ 43. Kb7 Ncb4 44. a7 Ra2 45. Na4 Nc7 46. Kxc7 Na6+ 47. Kb6 Rxa4 48. bxa4 1-0

[Event "Detroit ch-MI op"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Roberts, K."]
[Black "Bailey, Gregory E"]
[Result "1-0"]
[ECO "E12"]
[PlyCount "115"]
[EventDate "1992.??.??"]
[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 e6 2. c4 Nf6 3. Nf3 b6 4. a3 Ne4 5. Qd3 d5 6. cxd5 exd5 7. Nc3 Bb7 8. Nd2 f5 9. Qh3 Qd7 10. Ndxe4 dxe4 11. Bf4 Bd6 12. Qh5+ g6 13. Qg5 Bxf4 14. Qxf4 Qd6 15. Qxd6 cxd6 16. e3 Nd7 17. Kd2 Ke7 18. Be2 Nf6 19. Rhc1 Rhc8 20. Rc2 Kd7 21. Rac1 h5 22. f4 exf3 23. Bxf3 Bxf3 24. gxf3 g5 25. Nb5 Rxc2+ 26. Rxc2 Ne8 27. d5 g4 28. Nd4 Nf6 29. Nxf5 gxf3 30. Kd3 Nxd5 31. Rf2 Rg8 32. Nh4 Rg4 33. Nxf3 Rg7 34. Ke4 Nf6+ 35. Kd3 Ng4 36. Re2 Rf7 37. Nd4 Nf2+ 38. Kd2 d5 39. Nc2 Kd6 40. Ne1 h4 41. Ng2 Ne4+ 42. Ke1 h3 43. Nf4 Rh7 44. Rc2 Ke5 45. Rc6 Ng5 46. Ke2 Ke4 47. Ne6 Nf3 48. Rd6 Rh6 49. Ng5+ Nxg5 50. Rxh6 Nf3 51. Re6+ Ne5 52. Re7 a5 53. a4 d4 54. exd4 Kxd4 55. Rh7 Ng6 56. Kd2 Nf4 57. Rh4 Ke5 58. Rh6 1-0

[Event "Detroit"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Roberts, K."]
[Black "Gaiefsky, S."]
[Result "1-0"]
[ECO "D86"]
[PlyCount "95"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. Nc3 g6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 Nc6 8. Ne2 Bd7 9. Be3 Na5 10. Bd3 e5 11. Rb1 0-0 12. 0-0 Qh4 13. Qd2 f6 14. f3 Rf7 15. dxe5 fxe5 16. Bg5 Bh6 17. Bxh6 Qe7 18. Be3 b6 19. f4 Raf8 20. fxe5 Rxf1+ 21. Rxf1 Rxf1+ 22. Kxf1 Qxe5 23. Kg1 c5 24. Bf4 Qe6 25. Bb1 Nc4 26. Qd5 Na3 27. Qd1 Nxb1 28. Qxb1 Kg7 29. Qd1 Bb5 30. Qc2 Bc4 31. Nc1 Qf6 32. Qd2 Qe6 33. Bh6+ Kf7 34. Qf4+ Ke8 35. Qb8+ Kd7 36. Qxa7+ Kc6 37. Qa4+ Bb5 38. Qa8+ Kc7 39. Bf4+ Kd7 40. Qd5+ Ke7 41. Bg5+ Kf7 42. Kf2 Bc6 43. Qxe6+ Kxe6 44. Ke3 Bb5 45. Nd3 Bc4 46. a3 Bb5 47. Bd8 Kd6 48. Bxb6 1-0

[Event "Detroit ch-MI"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Roberts, K."]
[Black "Helle, Frank"]
[Result "0-1"]
[ECO "D20"]
[PlyCount "48"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 Nf6 4. e3 e5 5. Nf3 exd4 6. Qxd4 Qxd4 7. Nxd4 c6 8. Bxc4 Bb4 9. Bd2 0-0 10. Ne4 Bxd2+ 11. Nxd2 Nbd7 12. 0-0 Ne5 13. Be2 c5 14. N4f3 Nxf3+ 15. Bxf3 Rb8 16. Nc4 Be6 17. Ne5 Rfe8 18. Nd3 b6 19. Nf4 Red8 20. Rfd1 Kf8 21. a3 Ke7 22. Nxe6 Kxe6 23. Kf1 a6 24. Ke2 b5 0-1

[Event "Detroit"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Roberts, K."]
[Black "Meng, Ang"]
[Result "1-0"]
[ECO "E92"]
[PlyCount "35"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[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. Be2 0-0 6. Nf3 e5 7. d5 Na6 8. Nd2 c5 9. 0-0 Nc7 10. Kh1 Nfe8 11. f4 f5 12. Bd3 Nf6 13. fxe5 dxe5 14. exf5 e4 15. Ndxe4 Nxe4 16. Nxe4 Bxf5 17. Bg5 Qd7 18. Nxc5 1-0

[Event "Detroit"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Roberts, K."]
[Black "Nowicki, Benjamin"]
[Result "1-0"]
[ECO "A29"]
[PlyCount "83"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nc6 2. c4 e5 3. Nc3 Nf6 4. d3 a6 5. g3 Bc5 6. Bg2 d6 7. 0-0 0-0 8. h3 Nh5 9. e3 f5 10. d4 exd4 11. Nxd4 Bxd4 12. exd4 Nf6 13. Bg5 Qe8 14. Re1 Qg6 15. Be3 Bd7 16. Qd2 Rae8 17. d5 Ne5 18. b3 Ne4 19. Qc2 Nf7 20. Bf4 Re7 21. f3 Ne5 22. fxe4 fxe4 23. Qxe4 Bf5 24. Qd4 Bxh3 25. Rf1 Bxg2 26. Kxg2 Ng4 27. Rf3 Qc2+ 28. Qd2 Qxd2+ 29. Bxd2 Rxf3 30. Kxf3 Ne5+ 31. Kg2 Rf7 32. Rf1 Rxf1 33. Kxf1 Kf7 34. Ke2 h6 35. Ne4 b6 36. Bc3 Ng4 37. b4 g5 38. c5 dxc5 39. bxc5 Kg6 40. d6 cxd6 41. cxb6 d5 42. Nc5 1-0

[Event "Detroit ch-MI op"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Sorensen, D."]
[Black "Roberts, K."]
[Result "1-0"]
[ECO "D76"]
[PlyCount "85"]
[EventDate "1992.??.??"]
[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. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. c4 0-0 6. cxd5 Nxd5 7. 0-0 Nc6 8. Nc3 Nb6 9. Be3 Nc4 10. Rc1 Nxe3 11. fxe3 Bh6 12. Qd2 Bf5 13. d5 e6 14. dxc6 Qxd2 15. Nxd2 Bxe3+ 16. Kh1 bxc6 17. Nb3 Bxc1 18. Rxc1 e5 19. Bxc6 Rab8 20. Nd5 Be6 21. Nf6+ Kg7 22. Nd7 Bxd7 23. Bxd7 Rfd8 24. Rxc7 Kf6 25. Rxa7 Ra8 26. Rxa8 Rxa8 27. a4 Rb8 28. Bb5 Ke7 29. Na5 Kd6 30. Kg2 f5 31. Kf3 h6 32. Ke3 g5 33. Nc6 Rb6 34. Kd3 h5 35. Kc4 f4 36. a5 Rxc6+ 37. Bxc6 Kxc6 38. gxf4 exf4 39. Kd4 g4 40. Ke4 g3 41. hxg3 fxg3 42. Kf3 h4 43. b4 1-0

[Event "Detroit ch-MI op"]
[Site "Detroit"]
[Date "1992.??.??"]
[Round "?"]
[White "Vandivier, Don"]
[Black "Roberts, K."]
[Result "1-0"]
[ECO "C11"]
[PlyCount "51"]
[EventDate "1992.??.??"]
[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 Nf6 4. e5 Nfd7 5. Qg4 c5 6. Nb5 Qa5+ 7. Bd2 Qb6 8. Nd6+ Bxd6 9. Qxg7 Rf8 10. exd6 Qxb2 11. Rd1 Nc6 12. Nf3 Qxc2 13. Bh6 Qc3+ 14. Rd2 Qc1+ 15. Ke2 Qc4+ 16. Kd1 Qa4+ 17. Ke1 Qa3 18. Qxh7 Qc1+ 19. Ke2 Nf6 20. Qg7 Nd7 21. Ne5 b6 22. Nxd7 Ba6+ 23. Kf3 Qc3+ 24. Rd3 Nxd4+ 25. Kg4 Bxd3 26. Nf6+ 1-0

[Event "Detroit-ch MI op"]
[Site "Detroit"]
[Date "1990.??.??"]
[Round "?"]
[White "Ball, Elliott B"]
[Black "Roberts, K."]
[Result "1-0"]
[ECO "C01"]
[PlyCount "73"]
[EventDate "1990.??.??"]
[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. exd5 exd5 4. Bd3 Bd6 5. Be3 Nf6 6. Nd2 0-0 7. Qe2 Nc6 8. 0-0-0 Re8 9. c3 Nb8 10. f3 c5 11. dxc5 Bxc5 12. Nf1 Qc7 13. Kb1 Nc6 14. Qd2 Ne7 15. g4 Kh8 16. Bc2 Bxe3 17. Nxe3 Qf4 18. h3 g6 19. Ne2 Qh6 20. f4 Qg7 21. Ng3 Bd7 22. f5 g5 23. h4 Bc6 24. hxg5 Qxg5 25. Qd4 Kg8 26. Nh5 Nd7 27. Nf4 Nf6 28. Nh3 Qg7 29. g5 Ne4 30. f6 Qf8 31. fxe7 Qxe7 32. Nxd5 Bxd5 33. Qxd5 Ng3 34. Qd3 Qe3 35. Qxh7+ Kf8 36. Qh6+ Kg8 37. Bh7+ 1-0

[Event "Detroit-ch MI op"]
[Site "Detroit"]
[Date "1990.??.??"]
[Round "?"]
[White "Roberts, K."]
[Black "Darbro, Donald E"]
[Result "0-1"]
[ECO "D30"]
[PlyCount "65"]
[EventDate "1990.??.??"]
[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 e6 2. c4 f5 3. g3 d5 4. Nf3 c6 5. Nbd2 Nf6 6. e3 Bd6 7. Ne5 0-0 8. Be2 Nbd7 9. Ndf3 Ne4 10. 0-0 Qc7 11. Nd3 g5 12. c5 Be7 13. Bd2 g4 14. Nfe5 Bf6 15. Nxd7 Bxd7 16. Be1 Ng5 17. b4 Rae8 18. Bc3 Re7 19. f3 h5 20. f4 Ne4 21. Be1 h4 22. Ne5 Be8 23. Bd3 hxg3 24. Bxg3 Nxg3 25. hxg3 Rh7 26. Kg2 Rh3 27. Nxg4 Bh5 28. Nxf6+ Rxf6 29. Be2 Bxe2 30. Qxe2 Rfh6 31. Rh1 Qh7 32. Rxh3 Rxh3 33. Qd1 0-1

[Event "Detroit-ch MI op"]
[Site "Detroit"]
[Date "1990.??.??"]
[Round "?"]
[White "Roberts, K."]
[Black "Thurman, John B"]
[Result "0-1"]
[ECO "A23"]
[PlyCount "70"]
[EventDate "1990.??.??"]
[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. g3 c6 4. Bg2 Bb4 5. e3 d5 6. cxd5 Bxc3 7. dxc6 Bxd2+ 8. Bxd2 Nxc6 9. Ne2 Bd7 10. 0-0 0-0 11. e4 Qe7 12. Re1 Rfd8 13. Nc3 Be6 14. Qc1 Rac8 15. Bg5 Nd4 16. f4 Bg4 17. Nd5 Rxd5 18. Qxc8+ Bxc8 19. exd5 Qc5 20. Kh1 exf4 21. Rac1 Qf8 22. Bxf4 Qd8 23. Bc7 Qd7 24. Bd6 Ne8 25. Bc5 Nf5 26. Bxa7 Nfd6 27. Be3 h6 28. Bf4 g5 29. Bd2 Qb5 30. b3 Bf5 31. Bc3 f6 32. Bb2 Kf7 33. Rf1 Be4 34. Rcd1 Bxg2+ 35. Kxg2 Qe2+ 0-1

[Event "Detroit-ch MI op"]
[Site "Detroit"]
[Date "1990.??.??"]
[Round "?"]
[White "Turner, Darrell"]
[Black "Roberts, K."]
[Result "1-0"]
[ECO "E21"]
[PlyCount "63"]
[EventDate "1990.??.??"]
[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 b6 4. Nf3 Bb7 5. g3 Bb4 6. Bg2 0-0 7. 0-0 c5 8. d5 Bxc3 9. bxc3 exd5 10. Nh4 Re8 11. cxd5 d6 12. c4 Nbd7 13. Qc2 Ba6 14. Nf5 Ne5 15. Ne3 b5 16. cxb5 Bxb5 17. Re1 Bd7 18. Bb2 Nfg4 19. Nxg4 Bxg4 20. h3 Bh5 21. f4 Nd7 22. g4 Qe7 23. Qc3 Nf6 24. gxh5 Nxh5 25. Bf3 Nf6 26. e4 a5 27. e5 Qd7 28. exf6 Qxh3 29. Bg2 Qg4 30. Re7 a4 31. Rae1 Rxe7 32. fxe7 1-0

[Event "Detroit-ch MI op"]
[Site "Detroit"]
[Date "1990.??.??"]
[Round "?"]
[White "Yahkind, Al"]
[Black "Roberts, K."]
[Result "1-0"]
[ECO "C02"]
[PlyCount "43"]
[EventDate "1990.??.??"]
[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. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 f6 8. 0-0 fxe5 9. dxe5 Bc5 10. Nc3 a6 11. Na4 Qa7 12. Nxc5 Qxc5 13. Be3 Qa5 14. a3 Nge7 15. b4 Qc7 16. Rc1 b5 17. Nd4 Bd7 18. f4 g5 19. Bh5+ Ng6 20. Qc2 Qb6 21. Bxg6+ Kf8 22. Nxe6+ 1-0

[Event "Motor City op"]
[Site "Detroit East"]
[Date "1985.??.??"]
[Round "2"]
[White "Avery, Robert William"]
[Black "Roberts, K."]
[Result "1-0"]
[ECO "E39"]
[PlyCount "49"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Bxc5 6. Nf3 0-0 7. Bg5 b6 8. e3 Bb7 9. Be2 Nc6 10. Rd1 Nb4 11. Qb1 Be7 12. 0-0 h6 13. Bh4 Rc8 14. Nb5 Be4 15. Qa1 a6 16. Nd6 Rc6 17. Nxe4 Nxe4 18. Bxe7 Qxe7 19. a3 Nc2 20. Qb1 Nxe3 21. fxe3 Nd6 22. Nd4 Rc7 23. b3 e5 24. Nf5 Qg5 25. Rxd6 1-0

[Event "Motor City op"]
[Site "Detroit East"]
[Date "1985.??.??"]
[Round "4"]
[White "Hobbs, Richard"]
[Black "Roberts, K."]
[Result "1/2-1/2"]
[ECO "E24"]
[PlyCount "100"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 b6 6. Bg5 Bb7 7. f3 h6 8. Bh4 d6 9. e4 g5 10. Bg3 Nh5 11. Bd3 Nd7 12. Qc2 Nxg3 13. hxg3 e5 14. Ne2 Qf6 15. g4 0-0-0 16. Kf2 c5 17. d5 Rh7 18. Ng3 Rdh8 19. Rh3 Kc7 20. Rah1 Bc8 21. Qa4 Bb7 22. Nf5 Qg6 23. g3 f6 24. Rh5 a5 25. Ke3 Nb8 26. Qc2 Bc8 27. Rb1 Nd7 28. Qb2 Ba6 29. Qa2 Qe8 30. Rbh1 Qg6 31. Qh2 Bc8 32. Nxh6 Nf8 33. Nf5 Bd7 34. Rxh7 Rxh7 35. Qg2 Rxh1 36. Qxh1 Bxf5 37. exf5 Qh7 38. Qh5 Qxh5 39. gxh5 Nh7 40. g4 Kb7 41. Bc2 b5 42. Kd2 Kb6 43. Kc1 Nf8 44. Kb2 Nh7 45. cxb5 Nf8 46. Kc1 Nh7 47. a4 Nf8 48. Kd2 Nh7 49. c4 Nf8 50. Ke3 Nh7 1/2-1/2

[Event "Motor City op"]
[Site "Detroit East"]
[Date "1985.??.??"]
[Round "5"]
[White "Roberts, K."]
[Black "Gould, J."]
[Result "0-1"]
[ECO "A52"]
[PlyCount "62"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 Nc6 3. d4 e5 4. dxe5 Ng4 5. Bf4 f6 6. Qd5 Nb4 7. Qd1 Bc5 8. Bg3 0-0 9. a3 fxe5 10. axb4 Bxb4+ 11. Nc3 Kh8 12. Nxe5 Qf6 13. Qd4 d6 14. Nf3 Ne5 15. Bxe5 dxe5 16. Qxe5 Qg6 17. Rc1 Bg4 18. Qg5 Qe6 19. Nd4 Qf7 20. Qxg4 Qxf2+ 21. Kd1 Rf4 22. Qxf4 Qxf4 23. Nf3 Rd8+ 24. Kc2 Bxc3 25. bxc3 Qxc4 26. Ra1 b5 27. e3 Qe4+ 28. Kb3 Qxe3 29. Bxb5 Qb6 30. Kb4 c6 31. Ra6 Qxb5+ 0-1

[Event "Motor City op"]
[Site "Detroit East"]
[Date "1985.??.??"]
[Round "1"]
[White "Roberts, K."]
[Black "Harris, Thomas"]
[Result "1/2-1/2"]
[ECO "E91"]
[PlyCount "63"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 c5 3. d5 d6 4. c4 g6 5. Nc3 Bg7 6. e4 0-0 7. Be2 e6 8. 0-0 exd5 9. exd5 Bf5 10. Bd3 Bxd3 11. Qxd3 Na6 12. a3 Nc7 13. Bg5 Qd7 14. Rfe1 Rfe8 15. Rad1 Rab8 16. Nd2 a6 17. b3 b5 18. Nce4 Nxe4 19. Nxe4 f5 20. Nf6+ Bxf6 21. Bxf6 Rxe1+ 22. Rxe1 Re8 23. Rxe8+ Nxe8 24. Bb2 Kf7 25. Qh3 h5 26. Qe3 Qe7 27. Qxe7+ Kxe7 28. f4 Nf6 29. Bxf6+ Kxf6 30. h4 Ke7 31. a4 Kd7 32. a5 1/2-1/2

[Event "Motor City op"]
[Site "Detroit East"]
[Date "1985.??.??"]
[Round "3"]
[White "Roberts, K."]
[Black "Jamilla, O."]
[Result "1-0"]
[ECO "D33"]
[PlyCount "115"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 c5 3. Nc3 Nc6 4. g3 d5 5. cxd5 exd5 6. d4 Bg4 7. Bg2 Bxf3 8. Bxf3 cxd4 9. Nxd5 Nf6 10. Bg5 Be7 11. Nxe7 Qxe7 12. Bxc6+ bxc6 13. Qxd4 Rd8 14. Qc3 Qd6 15. Bxf6 gxf6 16. Rc1 0-0 17. Qc2 Qd5 18. 0-0 Qe5 19. Rfd1 Rde8 20. Rd2 Re6 21. Rcd1 Rfe8 22. e3 Kg7 23. Rd4 f5 24. Rf4 Rf6 25. Rd7 a5 26. Ra7 Rb8 27. Qc3 Qxc3 28. bxc3 Rb5 29. Ra4 Rd6 30. R7xa5 Rb1+ 31. Kg2 Kg6 32. Rd4 Re6 33. a4 Rc1 34. c4 Rc2 35. Rf4 Rf6 36. Ra8 Kg7 37. a5 Ra2 38. Rd4 Ra4 39. a6 c5 40. Rf4 h6 41. a7 Raa6 42. Rc8 Rxa7 43. Rxc5 Kg6 44. h3 Raa6 45. g4 fxg4 46. Rxf6+ Kxf6 47. hxg4 Ke6 48. f4 Kd6 49. Rh5 Kc7 50. Rf5 Re6 51. Rxf7+ Kc6 52. Kf3 Kc5 53. Rc7+ Kd6 54. Rc8 Kd7 55. Rc5 Kd6 56. Rh5 Rf6 57. g5 hxg5 58. Rxg5 1-0

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1984.??.??"]
[Round "?"]
[White "Bohley, Donald"]
[Black "Roberts, K."]
[Result "1-0"]
[ECO "C00"]
[PlyCount "57"]
[EventDate "1984.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. b3 d5 3. Bb2 Nf6 4. exd5 exd5 5. Nf3 Bd6 6. Be2 0-0 7. 0-0 c5 8. d4 Nbd7 9. c4 cxd4 10. cxd5 Nxd5 11. Qxd4 N7f6 12. Nc3 Qb6 13. Nxd5 Qxd4 14. Nxd4 Nxd5 15. Bf3 Ne7 16. Nb5 Nf5 17. Nxd6 Nxd6 18. Ba3 Nb5 19. Bxf8 Kxf8 20. Rfd1 Ke8 21. Rac1 Rb8 22. Rc5 a6 23. a4 Na7 24. Rc7 Be6 25. Rd3 Rc8 26. Rdc3 Rxc7 27. Rxc7 Bxb3 28. Rxb7 Nc8 29. Rxb3 1-0

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1984.??.??"]
[Round "?"]
[White "Jimenez, B."]
[Black "Roberts, K."]
[Result "1-0"]
[ECO "E24"]
[PlyCount "73"]
[EventDate "1984.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[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. a3 Be7 5. Nf3 c5 6. e3 0-0 7. Bd3 cxd4 8. exd4 d5 9. c5 Nc6 10. 0-0 h6 11. b4 a5 12. b5 Nxd4 13. Nxd4 Bxc5 14. Nb3 Bd6 15. a4 b6 16. Bb2 Bb7 17. Ne2 Re8 18. f4 Ng4 19. Rf3 e5 20. Rg3 Qh4 21. Rh3 Qf2+ 22. Kh1 exf4 23. Bd4 Ne3 24. Qg1 Qxg1+ 25. Kxg1 Be5 26. Rc1 Bxd4 27. Nbxd4 Rac8 28. Rxc8 Rxc8 29. Nxf4 Rc1+ 30. Kf2 Ng4+ 31. Ke2 Ra1 32. Bc2 Ra2 33. Rc3 g5 34. Nh5 f5 35. Rc7 f4 36. h3 Ne3 37. Nf6+ 1-0

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1984.??.??"]
[Round "?"]
[White "Roberts, K."]
[Black "Choyke, Jack"]
[Result "1-0"]
[ECO "D94"]
[PlyCount "19"]
[EventDate "1984.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[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 d5 4. e3 Bg7 5. Nf3 dxc4 6. Bxc4 Nfd7 7. Bxf7+ Kxf7 8. Ng5+ Kf6 9. Nce4+ Kf5 10. g4# 1-0

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1984.??.??"]
[Round "?"]
[White "Roberts, K."]
[Black "Golonka, Stan"]
[Result "1/2-1/2"]
[ECO "D31"]
[PlyCount "76"]
[EventDate "1984.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Bb4 5. Qc2 Bxc3+ 6. Qxc3 Nf6 7. Bg5 Nbd7 8. e3 Qc7 9. Bf4 Qd8 10. c5 Ne4 11. Qc2 Qa5+ 12. Nd2 Ndf6 13. a3 Nxd2 14. Qxd2 Qxd2+ 15. Kxd2 Ne4+ 16. Ke2 Ke7 17. f3 Nf6 18. Bd6+ Kd7 19. Kf2 Ne8 20. Bg3 g6 21. Bd3 Rg8 22. h4 h5 23. Bf4 Ke7 24. g4 Ng7 25. Bd6+ Kd7 26. Rhg1 b5 27. b4 Bb7 28. Rae1 a5 29. Rb1 axb4 30. axb4 Ra3 31. Be2 Rga8 32. Be5 Ne8 33. gxh5 gxh5 34. Bh2 Nf6 35. Rg7 Ke8 36. Be5 Nd7 37. Bd6 Nf6 38. Be5 Ke7 1/2-1/2

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1984.??.??"]
[Round "?"]
[White "Roberts, K."]
[Black "Keeley, G."]
[Result "1-0"]
[ECO "E10"]
[PlyCount "77"]
[EventDate "1984.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[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. Nf3 h6 4. a3 c5 5. d5 d6 6. Nc3 b6 7. e4 e5 8. Bd3 Be7 9. 0-0 Bd7 10. Be3 Nh5 11. Nxe5 dxe5 12. Qxh5 Bf6 13. Bd2 Na6 14. f4 Qe7 15. Ne2 0-0 16. Bc3 exf4 17. Rxf4 Bxc3 18. Nxc3 Qg5 19. Qh4 f5 20. Raf1 fxe4 21. Rxf8+ Rxf8 22. Rxf8+ Kxf8 23. Qxg5 hxg5 24. Nxe4 g4 25. Kf2 Bf5 26. Kg3 Nb8 27. Nf2 g6 28. Bxf5 gxf5 29. Kf4 g3 30. hxg3 Kg7 31. Kxf5 Kf7 32. Ne4 a5 33. g4 Nd7 34. g5 Nf8 35. g4 a4 36. Nd6+ Kg7 37. Nc8 Nd7 38. Ke6 Nf8+ 39. Kd6 1-0

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Brattin, Vincent"]
[Black "Roberts, K."]
[Result "1-0"]
[ECO "B18"]
[PlyCount "43"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bxc2 6. Qxc2 Qxd4 7. Nf3 Qd8 8. Bc4 Nf6 9. 0-0 e6 10. Bg5 Be7 11. Qb3 b6 12. Rfe1 Nd5 13. Bxd5 cxd5 14. Bxe7 Qxe7 15. Rad1 Nc6 16. Rxd5 Rd8 17. Rxd8+ Nxd8 18. Nf5 Qf6 19. Qb5+ Kf8 20. Qd7 g6 21. Nd6 Kg7 22. Ne8+ 1-0

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Roberts, K."]
[Black "Burwell, Raymond"]
[Result "0-1"]
[ECO "E10"]
[PlyCount "132"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. c4 c5 4. d5 d6 5. Nc3 Be7 6. e4 e5 7. Bd3 Bg4 8. h3 Bh5 9. g4 Bg6 10. Be3 h5 11. g5 Nh7 12. Qd2 Nd7 13. Ke2 Qa5 14. Nh4 0-0-0 15. Nxg6 fxg6 16. h4 Rdf8 17. Raf1 Rf7 18. f4 exf4 19. Bxf4 Rhf8 20. b3 Ne5 21. Nb5 Qxd2+ 22. Bxd2 a6 23. Rxf7 Rxf7 24. Na3 Nxd3 25. Kxd3 Nf8 26. b4 Nd7 27. Ke2 Ne5 28. Rf1 Rxf1 29. Kxf1 Nf3 30. Be1 cxb4 31. Nc2 a5 32. Ke2 Ne5 33. Ne3 Bd8 34. Bg3 Bb6 35. Bxe5 dxe5 36. Ng2 Kd7 37. Ne1 Kd6 38. Nd3 Bg1 39. Kf1 Bc5 40. Ke2 a4 41. Kd2 b6 42. Kc2 Bg1 43. Ne1 Kc5 44. Nd3+ Kd6 45. Ne1 Bf2 46. Nf3 Bg3 47. Kd3 Kc5 48. Kc2 Bf2 49. Kd3 Bg3 50. Kc2 b5 51. cxb5 Kxb5 52. d6 Kc6 53. d7 Kxd7 54. Kd3 b3 55. axb3 axb3 56. Kc3 Kc6 57. Kxb3 Kc5 58. Kc3 Bf2 59. Kd3 Bd4 60. Nxd4 exd4 61. e5 Kd5 62. e6 Kxe6 63. Kxd4 Kf5 64. Ke3 Kg4 65. Kf2 Kxh4 66. Kg2 Kxg5 0-1

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Roberts, K."]
[Black "Jordan, Wayne"]
[Result "0-1"]
[ECO "D37"]
[PlyCount "94"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Bd6 5. Qc2 c6 6. c5 Bc7 7. Bg5 h6 8. Bh4 Nbd7 9. e3 g5 10. Bg3 Bxg3 11. hxg3 g4 12. Nd2 e5 13. 0-0-0 e4 14. f3 gxf3 15. gxf3 Qe7 16. fxe4 Ng4 17. Re1 Ndf6 18. Re2 Be6 19. Bh3 0-0-0 20. e5 Nh5 21. Nf1 Ng7 22. e4 dxe4 23. Rxe4 h5 24. Qe2 Qg5+ 25. Nd2 Bf5 26. Bxg4 hxg4 27. Rxh8 Rxh8 28. Re3 Ne6 29. Nce4 Rh1+ 30. Nf1 Rxf1+ 31. Kd2 Bxe4 32. Qxf1 Bf3 33. Qd3 Qd8 34. Kc3 Qa5+ 35. Kc2 Qxa2 36. Kc3 Qa5+ 37. Kc2 Qa4+ 38. Kc3 Bd5 39. Re2 Qb3+ 40. Kd2 Qxb2+ 41. Ke3 Qc1+ 42. Rd2 Qg1+ 43. Rf2 Qxg3+ 44. Ke2 Nf4+ 45. Rxf4 Qxf4 46. Qh7 Qe4+ 47. Qxe4 Bxe4 0-1

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Roberts, K."]
[Black "Wright, Walter"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "126"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[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. Bf4 0-0 5. Nf3 d6 6. e3 Bf5 7. Bd3 Qc8 8. h3 Bxd3 9. Qxd3 c5 10. d5 Nbd7 11. 0-0 Nh5 12. Bg5 Bf6 13. Rab1 Re8 14. Ne4 Bxg5 15. Nfxg5 Ne5 16. Qc3 h6 17. f4 Nxc4 18. Qxc4 hxg5 19. Nxg5 Ng3 20. Rf3 Nf5 21. e4 Nd4 22. Rf2 e6 23. Rbf1 b5 24. Qd3 f5 25. dxe6 Nxe6 26. exf5 gxf5 27. Qxf5 Nxg5 28. Qxg5+ Kf7 29. f5 Rg8 30. Qe3 Qe8 31. Qd3 Qc6 32. f6 Rg6 33. Re1 Rag8 34. Re7+ Kf8 35. Rg7 R8xg7 36. fxg7+ Kxg7 37. Qf5 Qe8 38. Qf3 c4 39. Qc3+ Qe5 40. Qf3 Rf6 41. Qg4+ Kf7 42. Qd7+ Kg6 43. Qg4+ Qg5 44. Qxg5+ Kxg5 45. Rxf6 Kxf6 46. Kf2 d5 47. Ke3 Ke5 48. h4 d4+ 49. Kd2 Kf4 50. g3+ Kg4 51. Ke2 b4 52. b3 c3 53. Kd3 a5 54. Kc2 Kf3 55. Kd3 c2 56. Kd2 c1Q+ 57. Kxc1 Ke2 58. h5 d3 59. h6 d2+ 60. Kb2 d1Q 61. h7 Qd4+ 62. Kc1 Qc3+ 63. Kb1 Kd2 0-1

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Short, Tyler"]
[Black "Roberts, K."]
[Result "0-1"]
[ECO "B40"]
[PlyCount "88"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 c5 3. d4 Nf6 4. Nc3 Nc6 5. d5 Ne7 6. d6 Nc6 7. e5 Ng4 8. Be3 b6 9. Nb5 f5 10. Nc7+ Kf7 11. Bg5 Be7 12. Qd2 Rb8 13. 0-0-0 h6 14. Bxe7 Nxe7 15. h3 Nxe5 16. Nxe5+ Kf6 17. f4 Nc6 18. Qc3 Nd4 19. Bd3 Bb7 20. Rhg1 Qc8 21. Qe1 g5 22. Qf2 Be4 23. Bxe4 gxf4 24. Ng4+ Kg5 25. Bf3 fxg4 26. Bxg4 Qf8 27. Rd2 Qxd6 28. Na6 Rbc8 29. c3 b5 30. cxd4 cxd4+ 31. Kb1 e5 32. g3 f3 33. Qxf3 Rhf8 34. h4+ Kg6 35. Bf5+ Kg7 36. g4 Qxa6 37. h5 Qb6 38. g5 d3 39. Rgg2 Qc5 40. Rd1 e4 41. gxh6+ Kh8 42. Qxe4 Qxf5 43. Qxd3 Qxd3+ 44. Rxd3 Rf1+ 0-1

