[Event "Motor City op"]
[Site "Detroit East"]
[Date "1985.??.??"]
[Round "3"]
[White "Ball, Elliott B"]
[Black "Riggins, D."]
[Result "0-1"]
[ECO "A52"]
[PlyCount "98"]
[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 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. b3 Bb4+ 7. Bd2 Qe7 8. Bxb4 Qxb4+ 9. Qd2 Ngxe5 10. Nxe5 Qxd2+ 11. Nxd2 Nxe5 12. Be2 d6 13. 0-0 0-0 14. Rae1 Re8 15. Nf3 Bf5 16. Nxe5 Rxe5 17. Rd1 Kf8 18. Bd3 a5 19. Bxf5 Rxf5 20. a4 Ra6 21. e4 Re5 22. f3 Ke7 23. Rd5 Rb6 24. Rb1 Ke6 25. Kf2 f5 26. exf5+ Kxf5 27. Rxe5+ Kxe5 28. Ke3 d5 29. f4+ Ke6 30. cxd5+ Kxd5 31. g3 c5 32. Kd3 Re6 33. Rb2 g6 34. Rd2 Kc6 35. Kc3 b5 36. axb5+ Kxb5 37. Kb2 Kb4 38. Rc2 Re4 39. Rc1 Re2+ 40. Rc2 Re4 41. Rc1 a4 42. bxa4 c4 43. Rc2 Re3 44. Kb1 c3 45. Ka2 Kxa4 46. Rc1 Re2+ 47. Kb1 Kb3 48. Rh1 Rb2+ 49. Ka1 c2 0-1

[Event "Motor City op"]
[Site "Detroit East"]
[Date "1985.??.??"]
[Round "1"]
[White "Falkowski, Kenneth A"]
[Black "Riggins, D."]
[Result "1-0"]
[ECO "A52"]
[PlyCount "91"]
[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 e5 3. dxe5 Ng4 4. e6 fxe6 5. Nf3 Bc5 6. e3 0-0 7. h3 Nf6 8. Be2 d6 9. b3 e5 10. 0-0 Qe8 11. Nc3 a6 12. Nd5 Nxd5 13. cxd5 Nd7 14. Bb2 Nf6 15. Qc2 Nxd5 16. Bc4 c6 17. e4 Qg6 18. Nh4 Qh5 19. exd5 Qxh4 20. dxc6+ Kh8 21. Bd5 bxc6 22. Bxc6 Bf5 23. Qc4 Rac8 24. Qxh4 Rxc6 25. Bc1 Bd4 26. Be3 Bxa1 27. Rxa1 Bg6 28. Rc1 Rxc1+ 29. Bxc1 d5 30. Bb2 d4 31. Qg5 Re8 32. f4 d3 33. fxe5 Kg8 34. Qe3 Re6 35. b4 Kf7 36. a4 Ke8 37. Qe4 Re7 38. Bc1 Rd7 39. Qe3 Bf5 40. b5 axb5 41. axb5 h5 42. b6 g6 43. Bd2 Ke7 44. Qc5+ Ke6 45. Qc6+ Kxe5 46. Qxd7 1-0

[Event "Motor City op"]
[Site "Detroit East"]
[Date "1985.??.??"]
[Round "5"]
[White "Garwood, B."]
[Black "Riggins, D."]
[Result "1/2-1/2"]
[ECO "B03"]
[PlyCount "156"]
[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. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g6 6. Nc3 Bg7 7. Nf3 dxe5 8. fxe5 Bg4 9. c5 Nc8 10. Bb5+ c6 11. Bc4 0-0 12. 0-0 b6 13. Ne4 bxc5 14. Nxc5 Bxf3 15. Rxf3 Bxe5 16. Be3 Bg7 17. Nb7 Qb6 18. Qb3 Qxb3 19. Bxb3 Na6 20. Rc1 Nb4 21. Na5 Nd6 22. Bf2 Nf5 23. a3 Nxd4 24. Bxd4 Bxd4+ 25. Kh1 Bxb2 26. Rcf1 Bxa3 27. Rxf7 Nd5 28. Nxc6 e6 29. Rxf8+ Bxf8 30. Nd4 Nc7 31. Nxe6 Nxe6 32. Bxe6+ Kg7 33. Re1 a5 34. Bd7 Rd8 35. Rd1 Kf6 36. Kg1 Bc5+ 37. Kf1 Ke5 38. Ke2 Bd4 39. Bc6 Rc8 40. Bb7 Rc7 41. Rb1 a4 42. Rb5+ Bc5 43. Ra5 a3 44. Kd3 a2 45. Ba6 Kf4 46. Rxa2 Bg1 47. Ra4+ Kg5 48. h3 h5 49. Bc4 Re7 50. Bd5 Rd7 51. Ke4 Re7+ 52. Kd3 Bh2 53. Bf3 Re6 54. Re4 Ra6 55. Rc4 Bf4 56. Bb7 Rd6+ 57. Rd4 Rb6 58. Bc8 Be5 59. Rc4 Rb3+ 60. Ke4 Bh2 61. Rc2 Bg3 62. Bd7 Re3+ 63. Kd5 Rd3+ 64. Ke6 Bh2 65. Bc6 Rd6+ 66. Ke7 Rd4 67. Kf7 Rf4+ 68. Ke6 Rf6+ 69. Kd5 Kh4 70. Kd4 g5 71. Be4 Rd6+ 72. Bd5 Rf6 73. Ke3 Kg3 74. Bf3 Bg1+ 75. Ke4 Rf4+ 76. Kd5 Rxf3 77. gxf3 Kxh3 78. Ke4 Bh2 1/2-1/2

[Event "Motor City op"]
[Site "Detroit East"]
[Date "1985.??.??"]
[Round "2"]
[White "Riggins, D."]
[Black "Feldman, Jack"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "53"]
[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. e4 e5 2. Nf3 d6 3. d4 c6 4. dxe5 Qe7 5. Qxd6 Qxd6 6. exd6 Bxd6 7. Nc3 Bg4 8. Be2 Nd7 9. Be3 Ngf6 10. 0-0-0 Bb4 11. h3 Be6 12. Nd2 Bxc3 13. bxc3 Bxa2 14. c4 Nb6 15. Kb2 Na4+ 16. Kxa2 Nc3+ 17. Kb3 Nxd1 18. Rxd1 0-0 19. Bd3 a5 20. Ka4 Rfe8 21. Rb1 Reb8 22. c5 Kf8 23. Bf4 Rd8 24. Bd6+ Ke8 25. Rxb7 Rd7 26. Rb6 Rc8 27. Ba6 1-0

[Event "Motor City op"]
[Site "Detroit East"]
[Date "1985.??.??"]
[Round "4"]
[White "Riggins, D."]
[Black "Hosey, L."]
[Result "1-0"]
[ECO "C05"]
[PlyCount "27"]
[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. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 Nc6 6. c3 Be7 7. Bd3 0-0 8. Ndf3 f6 9. Qc2 h6 10. Bh7+ Kh8 11. Nh4 Re8 12. Ng6+ Kxh7 13. Nf8+ Kg8 14. Nxe6 1-0

[Event "Motor City op"]
[Site "Detroit East"]
[Date "1985.??.??"]
[Round "6"]
[White "Riggins, D."]
[Black "Szczypka, Tom"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "76"]
[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. e4 c5 2. Nf3 g6 3. d4 Bg7 4. c3 Nf6 5. e5 Ng4 6. h3 Nh6 7. Bc4 d5 8. exd6 Qxd6 9. 0-0 0-0 10. Re1 Nc6 11. d5 Na5 12. Na3 a6 13. Bf1 b5 14. Bg5 Re8 15. Qd2 Nf5 16. g4 b4 17. Nc2 b3 18. Na3 bxa2 19. Rxa2 f6 20. Bf4 Nb3 21. Bxd6 Nxd2 22. Nxd2 Nxd6 23. Nac4 Bb7 24. Nb6 Ra7 25. Ra5 Bh6 26. Ndc4 Nb5 27. Rea1 Nc7 28. Rxc5 Bf4 29. Bg2 Rd8 30. d6 Bxd6 31. Nxd6 Rxd6 32. Rxc7 Rxb6 33. Rxe7 Bxg2 34. Rxa7 Bxh3 35. Rd1 Rb8 36. Rdd7 Bxg4 37. Rg7+ Kf8 38. Rxh7 Kg8 1-0

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Choyke, Jack"]
[Black "Riggins, D."]
[Result "0-1"]
[ECO "B04"]
[PlyCount "106"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb6 5. exd6 cxd6 6. g3 g6 7. Bg2 Bg7 8. 0-0 0-0 9. Re1 Nc6 10. a4 Bg4 11. Be3 Rc8 12. h3 Bxf3 13. Bxf3 Nc4 14. b3 Nxe3 15. fxe3 e5 16. d5 e4 17. c3 exf3 18. dxc6 Rxc6 19. Qxf3 Qc8 20. Rc1 Qxh3 21. Ra2 Qe6 22. c4 Rc7 23. Nc3 Bxc3 24. Rxc3 Re8 25. Rf2 Qe5 26. Rd3 Re6 27. Qf4 Qc5 28. Qd4 Rce7 29. Qxc5 dxc5 30. Rf3 Kg7 31. g4 Re5 32. Kg2 Rg5 33. Rg3 h5 34. gxh5 Rxh5 35. Kf2 b6 36. Kf3 Rf5+ 37. Kg2 g5 38. Rd5 Rxd5 39. cxd5 Re5 40. e4 Rxe4 41. Rxg5+ Kf6 42. Kf3 Rd4 43. Rg3 Rxd5 44. Ke3 Rd4 45. Rf3+ Ke6 46. Rf4 Rxf4 47. Kxf4 Kd5 48. Ke3 f5 49. Kf4 Kd4 50. Kxf5 Kc3 51. Ke5 Kxb3 52. Kd5 c4 53. Kd4 c3 0-1

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Riggins, D."]
[Black "Bautista, Lester"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "55"]
[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 c5 2. Nf3 e6 3. a3 d5 4. exd5 exd5 5. d4 Be6 6. Bb5+ Nd7 7. 0-0 Ngf6 8. Re1 Qb6 9. Bxd7+ Nxd7 10. Nc3 Be7 11. dxc5 Qxc5 12. Be3 Qc4 13. Bg5 Nf6 14. Ne5 Qc5 15. Qe2 Ne4 16. Bxe7 Qxe7 17. Qb5+ Kf8 18. Nxd5 Nd6 19. Qb4 a5 20. Qc5 Qd8 21. Nc4 Ra6 22. Rxe6 fxe6 23. Nc7 Rc6 24. Nxe6+ Ke7 25. Qd5 Qc8 26. Re1 Ne4 27. Nd4 Rxc4 28. Rxe4+ 1-0

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Riggins, D."]
[Black "Palmer, Tony"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "82"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. c3 d6 6. d4 Bb6 7. h3 h6 8. Re1 0-0 9. Bf1 Re8 10. d5 Ne7 11. a4 a5 12. Be3 Bxe3 13. Rxe3 Ng6 14. Na3 Nf4 15. Kh2 g5 16. Ng1 Kh7 17. Nc4 Rg8 18. g3 Ng6 19. Be2 Qf8 20. Qc2 Qg7 21. Rf1 h5 22. Re1 Nf4 23. Bf1 h4 24. Rf3 hxg3+ 25. fxg3 N4h5 26. Rf2 Qh6 27. Ne3 Rg7 28. Nf5 Bxf5 29. Rxf5 Rg6 30. Qd3 Rag8 31. Kg2 Nf4+ 32. gxf4 gxf4+ 33. Kf2 Rxg1 34. Ke2 R8g3 35. Qc4 Re3+ 36. Kd1 Rxe1+ 37. Kxe1 Qxh3 38. Qe2 Kg6 39. Qf2 Qxf1+ 40. Qxf1 Rxf1+ 41. Kxf1 Nxe4 0-1

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Riggins, D."]
[Black "Sedgwick, David"]
[Result "1-0"]
[ECO "B49"]
[PlyCount "57"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 Qc7 7. Be3 Bb4 8. 0-0 Nf6 9. Bd3 0-0 10. Nce2 d5 11. exd5 Nxd5 12. Bd2 Bxd2 13. Qxd2 Ne5 14. Rad1 Nxd3 15. Qxd3 b5 16. c3 Bb7 17. Qh3 Nf4 18. Nxf4 Qxf4 19. Rd3 Qf6 20. Rg3 Be4 21. f4 g6 22. Qh6 Bf5 23. Nf3 Qg7 24. Qh4 f6 25. Nd4 Ra7 26. Re1 Re8 27. Nxf5 Qd7 28. Nh6+ Kg7 29. Ng4 1-0

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Watson, Tom"]
[Black "Riggins, D."]
[Result "0-1"]
[ECO "C11"]
[PlyCount "56"]
[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 Nf6 2. Nc3 d5 3. e5 Nfd7 4. d4 e6 5. Nf3 c5 6. Bf4 Be7 7. Be2 Nc6 8. dxc5 Bxc5 9. 0-0 a6 10. Re1 b5 11. Bf1 Bb7 12. Nxd5 exd5 13. e6 Nf6 14. exf7+ Kxf7 15. Ng5+ Kg8 16. Ne6 Qb6 17. Bc7 Qa7 18. Qd2 Ne4 19. Rxe4 dxe4 20. Qd7 Be7 21. Bd6 Bf6 22. Nxg7 Rd8 23. Qe6+ Kxg7 24. Qg4+ Kf7 25. Rd1 Ne5 26. Qf5 Qb6 27. Be2 Rxd6 28. Bh5+ Ng6 0-1

[Event "Southfield ch-MI M/X"]
[Site "Southfield"]
[Date "1982.??.??"]
[Round "?"]
[White "Finegold, Benjamin"]
[Black "Riggins, D."]
[Result "1/2-1/2"]
[ECO "E65"]
[PlyCount "39"]
[EventDate "1982.??.??"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 c5 6. 0-0 Nc6 7. d4 d6 8. dxc5 dxc5 9. Be3 Qa5 10. Qb3 Qb4 11. Qxb4 cxb4 12. Nb5 Bd7 13. Rac1 Ng4 14. Rfd1 Bf5 15. Nfd4 Nxe3 16. fxe3 Bh6 17. Nxf5 gxf5 18. Kf2 a5 19. Bxc6 bxc6 20. Nd4 1/2-1/2

[Event "Southfield ch-MI M/X"]
[Site "Southfield"]
[Date "1982.??.??"]
[Round "?"]
[White "Gajic, Zoran"]
[Black "Riggins, D."]
[Result "1-0"]
[ECO "B46"]
[PlyCount "103"]
[EventDate "1982.??.??"]
[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 c5 2. Nf3 Nc6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 e6 6. g3 Bb4 7. Be3 Nf6 8. Nxc6 bxc6 9. Bg2 d5 10. exd5 cxd5 11. 0-0 0-0 12. Qd4 Be7 13. Na4 Bd7 14. Nb6 Rb8 15. a4 e5 16. Qxe5 Ng4 17. Qxb8 Qxb8 18. Nxd7 Qxb2 19. Nxf8 Nxe3 20. fxe3 Qe5 21. Nd7 Qd6 22. Bh3 g6 23. Rab1 f5 24. Nb6 Bg5 25. Rfe1 Qc5 26. Kh1 Bxe3 27. Nd7 Qxc2 28. Nf6+ Kg7 29. Nxd5 Bd2 30. Red1 Qxa4 31. Bg2 Qc2 32. Rb7+ Kh6 33. Bf3 Bg5 34. h4 Bxh4 35. gxh4 Qf2 36. Rb3 Qxh4+ 37. Kg2 Qg5+ 38. Kf2 Qh4+ 39. Ke3 Qg5+ 40. Ke2 Qg3 41. Rh1+ Kg5 42. Rbb1 Qe5+ 43. Kd3 h5 44. Rhg1+ Kh6 45. Rb6 Qe8 46. Kd2 a5 47. Bxh5 Qd8 48. Bf3 Qe8 49. Rh1+ Kg5 50. Rbb1 f4 51. Rhg1+ Kf5 52. Bg4+ 1-0

[Event "East Lansing-ch MI op"]
[Site "East Lansing"]
[Date "1982.??.??"]
[Round "?"]
[White "Haluska, J."]
[Black "Riggins, D."]
[Result "0-1"]
[ECO "B04"]
[PlyCount "78"]
[EventDate "1982.??.??"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. exd6 cxd6 5. Nf3 Nb6 6. Bd3 g6 7. 0-0 Bg7 8. Re1 0-0 9. c3 Nc6 10. a4 e5 11. a5 Nd7 12. d5 Ne7 13. Bg5 f6 14. Bd2 h6 15. Na3 f5 16. Bf1 Kh7 17. Nb5 Nf6 18. c4 a6 19. Nc3 Nh5 20. Be3 Ng8 21. Bb6 Qf6 22. Rc1 Bd7 23. c5 e4 24. c6 exf3 25. cxd7 fxg2 26. Bxg2 Qg5 27. Qf3 Be5 28. Ne2 Ngf6 29. Rc7 Ng7 30. Be3 Qh4 31. Bf4 Rad8 32. Rxb7 Rxd7 33. Rxd7 Nxd7 34. Rc1 g5 35. Bg3 Qb4 36. Bxe5 Nxe5 37. Qc3 Qg4 38. Kf1 Rf7 39. Qg3 Qh5 0-1

[Event "Southfield ch-MI M/X"]
[Site "Southfield"]
[Date "1982.??.??"]
[Round "?"]
[White "Laren, Philip"]
[Black "Riggins, D."]
[Result "0-1"]
[ECO "B03"]
[PlyCount "120"]
[EventDate "1982.??.??"]
[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 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 g6 6. Nc3 Bg7 7. Be3 0-0 8. Nf3 Bg4 9. Be2 Nc6 10. c5 dxc5 11. dxc5 Bxf3 12. gxf3 Nd7 13. Qd2 Qc8 14. 0-0-0 Rd8 15. Qe1 Nf8 16. h4 h5 17. Bf1 Qe6 18. Bh3 Qc4 19. Qe2 Qxe2 20. Nxe2 Bh6 21. a3 Nxe5 22. Nd4 Nc4 23. Bf2 Bxf4+ 24. Kb1 c6 25. Rhe1 e5 26. Nb3 b6 27. Bf1 Rxd1+ 28. Rxd1 Ne3 29. Bxe3 Bxe3 30. Ba6 Rb8 31. Rd6 bxc5 32. Na5 Bd4 33. Nc4 Ne6 34. Rxc6 Nf4 35. Rc7 Nd3 36. Rxa7 Nxb2 37. Nxb2 Rxb2+ 38. Kc1 Rf2 39. Bb7 c4 40. Ra8+ Kg7 41. a4 c3 42. Rc8 c2 43. Rxc2 Rxc2+ 44. Kxc2 Bf2 45. Kd3 Bxh4 46. a5 Bf2 47. Ke4 Kf6 48. a6 Ba7 49. Bc6 Bb8 50. Bb7 h4 51. Bc8 Kg5 52. Bh3 f5+ 53. Kd5 Kf4 54. Kc6 Ba7 55. Kd6 Bd4 56. Bf1 Kxf3 57. a7 Bxa7 58. Kxe5 Kg3 59. Bc4 h3 60. Bd5 h2 0-1

[Event "Southfield ch-MI M/X"]
[Site "Southfield"]
[Date "1982.??.??"]
[Round "?"]
[White "Riggins, D."]
[Black "Quigley, Lawrence W"]
[Result "1-0"]
[ECO "C68"]
[BlackElo "2200"]
[PlyCount "93"]
[EventDate "1982.??.??"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Qd6 6. d4 exd4 7. Qxd4 Bd7 8. Nc3 Qxd4 9. Nxd4 0-0-0 10. Be3 Re8 11. Rfe1 Ne7 12. Rad1 Ng6 13. h3 Bd6 14. a3 f6 15. Nb3 Ne5 16. Na4 Nc4 17. Bc1 b6 18. Nd2 Ne5 19. f4 Ng6 20. Nc4 b5 21. Nab6+ Kd8 22. Nxd6 cxd6 23. Rxd6 Nf8 24. Nxd7 Nxd7 25. Rxc6 Nb8 26. Rd6+ Kc7 27. Rd3 Re6 28. Kf2 Rhe8 29. Kf3 Rc6 30. Re2 Nd7 31. Be3 Rc4 32. Bf2 g5 33. g3 h5 34. Rc3 Rxc3+ 35. bxc3 Re6 36. Bd4 Rc6 37. e5 fxe5 38. fxe5 Nf8 39. Ke4 Ne6 40. Rf2 Nxd4 41. cxd4 Rc3 42. Rf3 Rxc2 43. Kd5 a5 44. e6 b4 45. axb4 axb4 46. Rf7+ Kd8 47. Kd6 1-0

[Event "Southfield ch-MI M/X"]
[Site "Southfield"]
[Date "1982.??.??"]
[Round "?"]
[White "Riggins, D."]
[Black "Stein, Kurt W"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "68"]
[EventDate "1982.??.??"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Nd5 Be7 11. Nxe7 Nxe7 12. Bxf6 gxf6 13. Qf3 f5 14. exf5 d5 15. f6 Nf5 16. 0-0-0 Be6 17. Nxb5 axb5 18. Bxb5+ Kf8 19. g4 Nh4 20. Qg3 Qxf6 21. Kb1 Nf3 22. h4 Nd4 23. g5 Qf5 24. Rxd4 exd4 25. Qd6+ Kg8 26. Bd3 Qf3 27. Rc1 Bf5 28. Qc6 Rc8 29. Qb7 Kg7 30. h5 Bxd3 31. h6+ Kg6 32. Qb6+ Kh5 33. Rg1 Rxc2 34. Ka1 Rhc8 0-1

[Event "Southfield ch-MI M/X"]
[Site "Southfield"]
[Date "1982.??.??"]
[Round "?"]
[White "Riggins, D."]
[Black "Turner, G."]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "25"]
[EventDate "1982.??.??"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Bg4 5. h3 Bxf3 6. Qxf3 c6 7. Bc4 Nf6 8. d3 e6 9. Bd2 Qd8 10. 0-0-0 Bd6 11. g4 0-0 12. h4 Nbd7 13. d4 1/2-1/2

[Event "East Lansing-ch MI op"]
[Site "East Lansing"]
[Date "1982.??.??"]
[Round "?"]
[White "Riggins, D."]
[Black "Ward, Tim"]
[Result "1/2-1/2"]
[ECO "C11"]
[PlyCount "85"]
[EventDate "1982.??.??"]
[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. Nce2 c5 6. c3 Nc6 7. a3 cxd4 8. cxd4 Be7 9. g3 Qb6 10. Nf3 0-0 11. Bh3 Na5 12. 0-0 Nb8 13. Nc3 Nb3 14. Rb1 Nxc1 15. Qxc1 Nc6 16. Rd1 a5 17. Qc2 f5 18. Bf1 Bd7 19. Na4 Qa7 20. Nc5 Nxd4 21. Rxd4 Bxc5 22. Rh4 Rac8 23. Qd2 Be7 24. Rh3 Rc7 25. Bd3 Rfc8 26. Ng5 Bxg5 27. Qxg5 Qd4 28. Qe3 Qxe3 29. fxe3 Rc5 30. Rh4 Bb5 31. Bxb5 Rxb5 32. Rd4 Rc2 33. b4 Rc3 34. a4 Rxb4 35. Rdxb4 axb4 36. Rxb4 Rc7 37. Kf2 g5 38. h3 h5 39. g4 fxg4 40. hxg4 h4 41. a5 Kf8 42. Rb6 Ke7 43. Kf3 1/2-1/2

