[Event "CServe email"]
[Site "CServe email"]
[Date "1996.??.??"]
[Round "?"]
[White "Bullerkotte, Frank"]
[Black "Duke, Daniel"]
[Result "1-0"]
[ECO "D87"]
[PlyCount "41"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "E-Mail 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[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 Nc6 9. Be3 0-0 10. 0-0 Bg4 11. f3 Na5 12. Bxf7+ Rxf7 13. fxg4 Rxf1+ 14. Kxf1 Nc4 15. Qb3 b5 16. a4 Kh8 17. Bf4 Qf8 18. Kg1 cxd4 19. axb5 d3 20. Qxc4 dxe2 21. Be3 1-0

[Event "CServe email"]
[Site "CServe email"]
[Date "1996.??.??"]
[Round "?"]
[White "Duke, Daniel"]
[Black "Bullerkotte, Frank"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "46"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "E-Mail 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. 0-0 Nc6 7. c3 cxd4 8. cxd4 Nge7 9. a3 Nc8 10. b4 Be7 11. Nbd2 Nb6 12. Bb2 Rc8 13. Rc1 0-0 14. Bc3 a6 15. Qb3 Kh8 16. a4 Nd7 17. b5 axb5 18. axb5 Na5 19. Bxa5 Qxa5 20. Ra1 Qb6 21. Bd3 Bxd3 22. Qxd3 Rc7 23. Rfb1 Rfc8 0-1

[Event "ICCF email"]
[Site "ICCF email"]
[Date "1996.??.??"]
[Round "?"]
[White "Duke, Daniel"]
[Black "Lewis, Gary W"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "46"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "E-Mail 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. c3 Nc6 7. 0-0 cxd4 8. cxd4 Nge7 9. a3 Be4 10. Nbd2 Nf5 11. b4 a5 12. b5 Ncxd4 13. Nxd4 Nxd4 14. Nxe4 dxe4 15. b6 Bc5 16. Qa4+ Qd7 17. Qxd7+ Kxd7 18. Bc4 Rhc8 19. Rd1 Ke7 20. Be3 Nc2 21. Ra2 Nxe3 22. fxe3 Bxe3+ 23. Kf1 Rxc4 0-1

[Event "CServe email"]
[Site "CServe email"]
[Date "1996.??.??"]
[Round "?"]
[White "Lewis, Gary W"]
[Black "Duke, Daniel"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "37"]
[EventDate "1996.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "E-Mail 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c5 3. Bg2 Nc6 4. Nc3 g6 5. e4 d6 6. Nge2 e6 7. 0-0 Bg7 8. d4 0-0 9. d5 Ne7 10. h3 e5 11. Be3 Bd7 12. Qd2 Qc8 13. Kh2 a6 14. a4 Re8 15. f4 b5 16. fxe5 dxe5 17. axb5 axb5 18. cxb5 Qc7 19. d6 1-0

[Event "Flint-ch MI class-C"]
[Site "Flint"]
[Date "1993.??.??"]
[Round "4"]
[White "Duke, Daniel"]
[Black "Anderson, D."]
[Result "1-0"]
[ECO "B90"]
[PlyCount "93"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 Nbd7 7. 0-0 Nc5 8. Kh1 Nxd3 9. cxd3 Qb6 10. Nb3 e6 11. Be3 Qd8 12. f4 Be7 13. Qf3 0-0 14. Ne2 e5 15. f5 Bd7 16. g4 h6 17. g5 hxg5 18. Bxg5 Nh7 19. Bxe7 Qxe7 20. Ng3 f6 21. Rg1 Ng5 22. Qg4 Nh7 23. Nh5 Rf7 24. Rg2 Kh8 25. h4 Rg8 26. Rc1 Rc8 27. Rcg1 Rg8 28. Na5 Bb5 29. Rg3 Qd8 30. Nxg7 Rfxg7 31. Qxg7+ Rxg7 32. Rxg7 Bxd3 33. Kh2 Bxe4 34. Nxb7 Qf8 35. Nxd6 Qxg7 36. Rxg7 Kxg7 37. Nxe4 Nf8 38. Kh3 Nd7 39. h5 Nf8 40. Kh4 Nh7 41. b4 Nf8 42. Nc5 Kh6 43. Nxa6 Nd7 44. Nc5 Nxc5 45. bxc5 e4 46. Kg3 Kg5 47. c6 1-0

[Event "Flint-ch MI class-C"]
[Site "Flint"]
[Date "1993.??.??"]
[Round "1"]
[White "Duke, Daniel"]
[Black "Attaya, Jim"]
[Result "0-1"]
[ECO "A49"]
[PlyCount "96"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 0-0 6. Nf3 c6 7. 0-0 Nbd7 8. Re1 Qb6 9. Rb1 e5 10. Be3 Ng4 11. dxe5 Nxe3 12. Rxe3 dxe5 13. Rd3 Nc5 14. Rd2 Bg4 15. h3 Be6 16. a3 Rfd8 17. b4 Nd7 18. Qe2 Qc7 19. Ng5 Nf8 20. Nxe6 Nxe6 21. Rbd1 Nd4 22. Qg4 Bh6 23. Rd3 Nxc2 24. Qh4 Rxd3 25. Rxd3 Bg7 26. Ne2 f6 27. f4 Qb6+ 28. Kh2 Qf2 29. Rd2 Nxa3 30. fxe5 fxe5 31. Qe7 Qf7 32. Rd8+ Rxd8 33. Qxd8+ Bf8 34. Qa5 Nb5 35. Qd8 Kg7 36. Qd2 Nd6 37. Nc3 Be7 38. Qe3 a6 39. b5 axb5 40. h4 Ne8 41. Bh3 b4 42. Na4 Qa2+ 43. Kg1 Qxa4 44. Be6 Qd1+ 45. Kg2 Qc2+ 46. Kh3 Qc5 47. Qf3 Nf6 48. g4 Qc3 0-1

[Event "Flint-ch MI class-C"]
[Site "Flint"]
[Date "1993.??.??"]
[Round "3"]
[White "Duke, Daniel"]
[Black "Smith, Leonard"]
[Result "0-1"]
[ECO "C64"]
[PlyCount "50"]
[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 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. d3 d6 5. 0-0 Bg4 6. h3 Bh5 7. Re1 h6 8. Be3 Bxe3 9. Rxe3 Nf6 10. Qd2 0-0 11. c3 a6 12. Bxc6 bxc6 13. Qc2 Bxf3 14. Rxf3 d5 15. Nd2 Rb8 16. Nb3 Qd6 17. Rd1 Nh5 18. g3 Rfd8 19. Qe2 Nf6 20. exd5 cxd5 21. d4 Re8 22. dxe5 Rxe5 23. Qd2 Qe6 24. Nd4 Qxh3 25. Rxf6 Rh5 0-1

[Event "Flint-ch MI class-C"]
[Site "Flint"]
[Date "1993.??.??"]
[Round "2"]
[White "Hooks, Jerry"]
[Black "Duke, Daniel"]
[Result "1-0"]
[ECO "A29"]
[PlyCount "109"]
[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. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d3 Be7 5. g3 0-0 6. Bg2 d6 7. 0-0 a6 8. a3 Rb8 9. Bg5 h6 10. Bxf6 Bxf6 11. Nd5 Be6 12. Nxf6+ Qxf6 13. e4 Rfd8 14. Nd2 Nd4 15. h3 Bd7 16. a4 c5 17. Nf3 Qe6 18. Nxd4 exd4 19. Re1 Re8 20. Qf3 Bc6 21. Qg4 Qxg4 22. hxg4 Kf8 23. f4 Re7 24. Re2 Rbe8 25. b3 g6 26. Rae1 Bd7 27. Bf3 b6 28. f5 gxf5 29. exf5 Rxe2 30. Rxe2 Rxe2 31. Bxe2 Kg7 32. Bf3 Kf6 33. Kh2 Kg5 34. Kh3 a5 35. Bd5 Kf6 36. Kh4 Be8 37. Kh5 Kg7 38. g5 hxg5 39. Kxg5 f6+ 40. Kf4 Kh6 41. Bf3 Bf7 42. Bd5 Bxd5 43. cxd5 Kg7 44. Kg4 Kh6 45. Kh4 c4 46. bxc4 Kg7 47. Kh5 Kh7 48. g4 Kg7 49. g5 fxg5 50. Kxg5 Kf7 51. f6 Kf8 52. Kg6 Kg8 53. Kg5 Kf7 54. Kf5 Ke8 55. Ke6 1-0

[Event "Flint-ch MI class-C"]
[Site "Flint"]
[Date "1993.??.??"]
[Round "5"]
[White "Waltz, Glenn"]
[Black "Duke, Daniel"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "48"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Bd3 e5 7. d5 Nbd7 8. b4 Ne8 9. g4 Nb8 10. Rg1 c6 11. Ba3 cxd5 12. cxd5 Nf6 13. h3 a6 14. Bb2 b5 15. a4 bxa4 16. Rxa4 Nbd7 17. Ra5 Rb8 18. Ba3 Rb6 19. Qe2 Qc7 20. Kd2 Bb7 21. Na4 Rc8 22. Nxb6 Qc3+ 23. Ke3 Nxb6 24. Rc1 Nc4# 0-1

[Event "East Lansing-ch MI amateur"]
[Site "East Lansing"]
[Date "1992.??.??"]
[Round "?"]
[White "Duke, Daniel"]
[Black "Harrison, T."]
[Result "1-0"]
[ECO "C10"]
[PlyCount "139"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[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 e6 4. d4 d5 5. Bb5 a6 6. Bxc6+ bxc6 7. Be3 c4 8. Ne5 Ne7 9. 0-0 f6 10. Nf3 Ng6 11. exd5 cxd5 12. Re1 Bd6 13. b3 cxb3 14. cxb3 0-0 15. Rc1 Bd7 16. Rc2 Rc8 17. Qd3 Bb4 18. Rec1 Bxc3 19. Rxc3 Bb5 20. Qd2 Qd7 21. a4 Bc6 22. Qc2 Bb7 23. Bd2 Rxc3 24. Qxc3 Rc8 25. Qe3 Rxc1+ 26. Bxc1 Qc6 27. Ba3 Nf8 28. h3 Qe8 29. Qc3 Ng6 30. Qc7 Bc8 31. h4 Qd7 32. Qc5 Qe8 33. h5 Nf4 34. g4 h6 35. Nh4 Kh7 36. f3 e5 37. Qc2+ e4 38. Kf2 g5 39. hxg6+ Nxg6 40. Nxg6 Kxg6 41. Kg3 Kg7 42. Qc7+ Kg8 43. Qf4 e3 44. Bb4 h5 45. Qxf6 e2 46. Qg5+ Kh7 47. Qxh5+ Qxh5 48. gxh5 Kh6 49. Kf2 Kxh5 50. Kxe2 Kg5 51. Bd2+ Kf5 52. Kd3 Ke6 53. f4 Kd6 54. Ke3 Bf5 55. Kf3 Bc2 56. f5 Bxf5 57. b4 Bd7 58. a5 Kc6 59. Kf4 Kb5 60. Ke5 Bc6 61. Kd6 Ba8 62. Kc7 Kc4 63. Kb6 Kxd4 64. Kxa6 Bc6 65. b5 Kc5 66. b6 Bb5+ 67. Ka7 Bc6 68. b7 Bxb7 69. Kxb7 Kb5 70. a6 1-0

[Event "East Lansing-ch MI amateur"]
[Site "East Lansing"]
[Date "1992.??.??"]
[Round "?"]
[White "Duke, Daniel"]
[Black "Phalen, Michael"]
[Result "1-0"]
[ECO "C68"]
[PlyCount "45"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[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 Bc5 4. Nc3 a6 5. Bxc6 dxc6 6. 0-0 Bg4 7. d3 Nf6 8. Na4 Bxf2+ 9. Rxf2 Nxe4 10. Rf1 Qb8 11. dxe4 Qa7+ 12. Kh1 Rd8 13. Qe1 0-0 14. Be3 Qb8 15. Qg3 Bxf3 16. Rxf3 Rd6 17. Bc5 Rg6 18. Qf2 Rd8 19. Rxf7 Rxg2 20. Kxg2 Rd2 21. Qxd2 Kxf7 22. Rf1+ Ke8 23. Rf8# 1-0

[Event "East Lansing-ch MI amateur"]
[Site "East Lansing"]
[Date "1992.??.??"]
[Round "?"]
[White "Kane, Paul"]
[Black "Duke, Daniel"]
[Result "1-0"]
[ECO "E75"]
[PlyCount "57"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. Nf3 Bg7 5. e4 0-0 6. Be2 c5 7. d5 e6 8. Bg5 exd5 9. Nxd5 Nbd7 10. Qd2 Re8 11. Bd3 Ne5 12. Nxe5 Rxe5 13. f4 Re8 14. 0-0-0 Be6 15. Rde1 Bxd5 16. cxd5 Qb6 17. h4 h5 18. f5 c4 19. Bxc4 Nxe4 20. Qc2 Nxg5 21. hxg5 Bd4 22. fxg6 Rxe1+ 23. Rxe1 Be3+ 24. Kb1 Rf8 25. gxf7+ Rxf7 26. Qg6+ Rg7 27. Qe8+ Kh7 28. Bd3+ Rg6 29. Bxg6+ 1-0

[Event "East Lansing-ch MI amateur"]
[Site "East Lansing"]
[Date "1992.??.??"]
[Round "?"]
[White "Skidmore, Jennifer M"]
[Black "Duke, Daniel"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "65"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Nf6 5. Bb5+ Bd7 6. Bxd7+ Nbxd7 7. d3 Bg7 8. Bd2 0-0 9. Qe2 Qb6 10. 0-0-0 a5 11. Rdg1 Qd8 12. g4 Nb8 13. h4 Nc6 14. Qh2 Nd7 15. h5 h6 16. hxg6 Nd4 17. Nxd4 cxd4 18. gxf7+ Kxf7 19. Qh5+ Kg8 20. Ne2 Qe8 21. Qh3 Kf7 22. g5 Rh8 23. Qf5+ Kg8 24. gxh6 Qf7 25. Qxf7+ Kxf7 26. Rxg7+ Ke8 27. Nxd4 Nf8 28. f5 Nh7 29. Rhg1 Nf6 30. Bg5 Ra6 31. Bxf6 exf6 32. Rg8+ Rxg8 33. Rxg8+ 1-0

[Event "East Lansing-ch MI amateur"]
[Site "East Lansing"]
[Date "1992.??.??"]
[Round "?"]
[White "Smith, MA."]
[Black "Duke, Daniel"]
[Result "1-0"]
[ECO "B75"]
[PlyCount "45"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. f3 0-0 8. Be3 Nc6 9. Qd2 Ne5 10. Bb3 Bd7 11. Bh6 Rc8 12. h4 Qb6 13. 0-0-0 Nc4 14. Bxc4 Rxc4 15. Bxg7 Kxg7 16. g4 Rfc8 17. h5 Ng8 18. hxg6 fxg6 19. g5 Qb4 20. Qf4 e5 21. Rxh7+ Kxh7 22. Qf7+ Kh8 23. Rh1+ 1-0

[Event "Detroit"]
[Site "Detroit"]
[Date "1991.??.??"]
[Round "?"]
[White "Duke, Daniel"]
[Black "Carvell, J."]
[Result "1-0"]
[ECO "C68"]
[PlyCount "29"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[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. h3 Qd6 6. 0-0 Nf6 7. Nc3 c5 8. d3 Be7 9. b3 Be6 10. Bb2 c6 11. Ne2 0-0-0 12. Bxe5 Qd7 13. Nc3 Nh5 14. Na4 f6 15. Nb6# 1-0

[Event "Detroit"]
[Site "Detroit"]
[Date "1991.??.??"]
[Round "?"]
[White "Duke, Daniel"]
[Black "Lewis, David2222"]
[Result "0-1"]
[ECO "C46"]
[PlyCount "106"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[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. Nc3 Bb4 4. a3 Ba5 5. b4 Bb6 6. Nd5 d6 7. c3 Nf6 8. Nxb6 axb6 9. Ng5 h6 10. Nxf7 Kxf7 11. Qb3+ Be6 12. Bc4 Bxc4 13. Qxc4+ d5 14. exd5 Nxd5 15. 0-0 Ke8 16. g3 Nf6 17. d3 Qd5 18. Qxd5 Nxd5 19. Bd2 Rf8 20. b5 Nce7 21. c4 Nf6 22. Bb4 Rf7 23. Rfe1 Rd8 24. Rxe5 Rxd3 25. Rae1 Nfg8 26. R5e4 Rd7 27. c5 bxc5 28. Bxc5 Nf6 29. R4e2 Kd8 30. b6 c6 31. a4 Nf5 32. Ba3 Nd4 33. Bc5 Nf3+ 34. Kg2 Nxe1+ 35. Rxe1 Rd5 36. Rc1 Nd7 37. Be3 Ra5 38. Ra1 Nc5 39. Bxc5 Rxc5 40. a5 Rb5 41. a6 bxa6 42. Rxa6 Rb7 43. Ra8+ Kd7 44. Ra7 Rxa7 45. bxa7 Ra5 46. h4 Rxa7 47. f4 h5 48. Kh3 g6 49. g4 Ra3+ 50. Kg2 hxg4 51. f5 gxf5 52. h5 Ke7 53. h6 Kf7 0-1

[Event "Detroit"]
[Site "Detroit"]
[Date "1991.??.??"]
[Round "?"]
[White "Duke, Daniel"]
[Black "Williams, R."]
[Result "0-1"]
[ECO "C68"]
[PlyCount "58"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[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. d3 Bd6 6. Nc3 Bg4 7. h3 Bh5 8. Be3 Ne7 9. Ne2 f5 10. exf5 Bxf3 11. gxf3 Nxf5 12. Qd2 Nh4 13. Ng1 Ng2+ 14. Kd1 0-0 15. c3 Qe8 16. Kc2 Qe6 17. h4 a5 18. Rh2 Nxe3+ 19. Qxe3 e4 20. Rh3 exd3+ 21. Qxd3 Rad8 22. Qe4 Qf7 23. Ne2 Rfe8 24. Qd3 Bf4 25. Qxd8 Rxd8 26. Nxf4 Qxf4 27. Rg3 Rd2+ 28. Kb3 b5 29. Rag1 Qa4# 0-1

[Event "Detroit"]
[Site "Detroit"]
[Date "1991.??.??"]
[Round "?"]
[White "Jointer, William"]
[Black "Duke, Daniel"]
[Result "0-1"]
[ECO "B15"]
[PlyCount "122"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[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 Qa5 4. Bd2 Qc7 5. exd5 e6 6. dxc6 Nxc6 7. Bb5 Bd7 8. Nf3 Nf6 9. Qe2 Bd6 10. d5 Nb4 11. 0-0-0 Nfxd5 12. Bxd7+ Qxd7 13. a3 Nxc3 14. Bxc3 Na2+ 15. Kb1 Nxc3+ 16. bxc3 0-0 17. Qd3 Rad8 18. Ng5 g6 19. Ne4 Qe7 20. Nxd6 Rd7 21. Rd2 Rfd8 22. Qe3 Rxd6 23. Qc5 Rb6+ 24. Qxb6 axb6 25. Rxd8+ Qxd8 26. Kc1 Qa8 27. Kb2 b5 28. Rd1 b6 29. f3 e5 30. Re1 f6 31. Rd1 f5 32. Re1 e4 33. fxe4 fxe4 34. g3 Qe8 35. Re3 Kf7 36. Kb3 Qe5 37. h4 h5 38. Kb2 Kf6 39. Kc1 Kf5 40. Kd2 Qd6+ 41. Ke2 Qxa3 42. Kf2 Qb2 43. Re2 Qxc3 44. Kg1 Qf3 45. Rf2 Kg4 46. Rxf3 Kxf3 47. Kf1 Kxg3 48. Ke2 Kxh4 49. Ke3 g5 50. Kxe4 g4 51. Ke3 Kh3 52. Kf2 g3+ 53. Kg1 g2 54. c3 Kg3 55. c4 h4 56. cxb5 Kf3 57. Kh2 Kf2 58. Kh3 g1Q 59. Kxh4 Kf3 60. Kh5 Kf4 61. Kh6 Kf5 0-1

[Event "Detroit"]
[Site "Detroit"]
[Date "1991.??.??"]
[Round "?"]
[White "Repkin, V."]
[Black "Duke, Daniel"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "65"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Bd7 3. c4 e5 4. d5 Nf6 5. Nc3 c6 6. Bg5 Be7 7. Bd3 b5 8. cxb5 cxd5 9. Bxf6 Bxf6 10. Nxd5 0-0 11. Ne2 Be6 12. Nec3 Nd7 13. 0-0 Nb6 14. Be2 Nxd5 15. Nxd5 Bxd5 16. Qxd5 Rc8 17. Rac1 Qd7 18. Rc6 Rxc6 19. bxc6 Qc7 20. Rd1 Be7 21. Bc4 h6 22. Rd3 Bh4 23. Rb3 Qe7 24. g3 Bg5 25. h4 Bf6 26. Rb7 Qd8 27. Rxf7 Rxf7 28. Qxf7+ Kh7 29. Qg8+ Qxg8 30. Bxg8+ Kxg8 31. c7 d5 32. c8Q+ Kf7 33. exd5 1-0

