[Event "IECG C1.1997.0.00103"]
[Site "IECG email"]
[Date "1998.??.??"]
[Round "1"]
[White "Duff, Ken"]
[Black "Bretz, Dennis"]
[Result "0-1"]
[ECO "E81"]
[PlyCount "44"]
[EventDate "1997.12.18"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c5 7. d5 Nbd7 8. Nh3 Ne5 9. Nf2 Qb6 10. Qd2 Qb4 11. Nb5 Qxd2+ 12. Bxd2 a6 13. Nc3 Bd7 14. Be2 b5 15. cxb5 axb5 16. Bxb5 Bxb5 17. Nxb5 Rfb8 18. Nc3 Rxb2 19. Rc1 Ra3 20. Bg5 h6 21. Bh4 g5 22. Bg3 Nh5 0-1

[Event "IECG C1.1997.0.00103"]
[Site "IECG email"]
[Date "1998.??.??"]
[Round "1"]
[White "Duff, Ken"]
[Black "Newton, Hobart E"]
[Result "1/2-1/2"]
[ECO "E12"]
[PlyCount "42"]
[EventDate "1997.12.18"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Ba6 5. e3 d5 6. Ne5 Bd6 7. Qa4+ Kf8 8. Nc6 Nxc6 9. Qxa6 e5 10. c5 exd4 11. cxd6 dxc3 12. dxc7 Qxc7 13. Qa3+ Kg8 14. Qxc3 Ne4 15. Qc2 Qd7 16. Bd2 Ne5 17. Rc1 Ng4 18. Ba6 Ngxf2 19. 0-0 Nxd2 20. Qxd2 Ne4 21. Qb4 Qe6 1/2-1/2

[Event "IECG C1.1997.0.00103"]
[Site "IECG email"]
[Date "1998.??.??"]
[Round "1"]
[White "Frost, Lionel B"]
[Black "Duff, Ken"]
[Result "1-0"]
[ECO "B15"]
[PlyCount "67"]
[EventDate "1997.12.18"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d5 5. h3 dxe4 6. Nxe4 Nd7 7. Bc4 Ngf6 8. Nxf6+ Nxf6 9. 0-0 0-0 10. Re1 Qc7 11. Qe2 e6 12. Ne5 Nd7 13. Bf4 Nxe5 14. Bxe5 Qe7 15. Qe4 Bd7 16. Rad1 b5 17. Bxg7 Kxg7 18. Bb3 a5 19. c3 a4 20. Bc2 Rfd8 21. Re3 Qd6 22. Qh4 Qd5 23. Rf3 Rf8 24. Qf6+ Kg8 25. a3 Rad8 26. Re3 Qa2 27. h4 e5 28. dxe5 Qxb2 29. h5 Qxc2 30. h6 Qxd1+ 31. Re1 Qxe1+ 32. Kh2 Qxe5+ 33. Qxe5 f6 34. Qe7 1-0

[Event "IECG C1.1997.0.00103"]
[Site "IECG email"]
[Date "1998.??.??"]
[Round "1"]
[White "Lund, Jens Dahlen"]
[Black "Duff, Ken"]
[Result "1-0"]
[ECO "B15"]
[PlyCount "65"]
[EventDate "1997.12.18"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d5 5. h3 dxe4 6. Nxe4 Nd7 7. Bc4 Ngf6 8. Nxf6+ Nxf6 9. 0-0 0-0 10. Re1 Qc7 11. Ne5 Nd5 12. Bb3 Be6 13. c4 Nf6 14. Bf4 Qa5 15. Qe2 Rad8 16. Rad1 Bf5 17. Nf3 Rfe8 18. Be5 b5 19. cxb5 cxb5 20. Rc1 Rc8 21. Ng5 Rf8 22. g4 Rxc1 23. Rxc1 Bd7 24. Nxf7 Rxf7 25. g5 e6 26. gxf6 Bxf6 27. d5 Qa6 28. Bxf6 Rxf6 29. Qe5 exd5 30. Qxd5+ Be6 31. Qa8+ Kg7 32. Rc7+ Bf7 33. Qe8 1-0

[Event "IECG Cat-X email"]
[Site "IECG email"]
[Date "1994.??.??"]
[Round "?"]
[White "Broverman, Maurice"]
[Black "Duff, Ken"]
[Result "1-0"]
[ECO "B77"]
[PlyCount "69"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 d6 9. Bc4 Nxd4 10. Bxd4 Be6 11. Bxe6 fxe6 12. 0-0 h6 13. Rae1 Nd7 14. Nb5 a6 15. Bxg7 Kxg7 16. Nd4 Qb6 17. Kh1 Rf6 18. f4 Qxb2 19. Rb1 Qxa2 20. Rxb7 Nc5 21. Rxe7+ Kg8 22. f5 g5 23. Qc3 Raf8 24. Re1 e5 25. Nf3 Qa4 26. Qd2 R8f7 27. Rxf7 Kxf7 28. Nxe5+ dxe5 29. Qd5+ Ne6 30. fxe6+ Kg6 31. e7 Qe8 32. Qxe5 Kf7 33. Qd5+ Kxe7 34. e5 Kf8 35. e6 1-0

[Event "ICCF email"]
[Site "ICCF corr"]
[Date "1994.??.??"]
[Round "?"]
[White "Duff, Ken"]
[Black "Attig, Douglas"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2000"]
[BlackElo "1960"]
[PlyCount "71"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[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 Bg7 4. e4 d6 5. f3 c6 6. Be3 a6 7. Qd2 b5 8. Bd3 0-0 9. Nge2 e5 10. d5 bxc4 11. Bxc4 Qc7 12. dxc6 Nxc6 13. Nd5 Nxd5 14. Bxd5 Rb8 15. 0-0 Bd7 16. Rfc1 Qb7 17. Rc2 Rbc8 18. Rac1 Kh8 19. b4 f5 20. exf5 gxf5 21. Bh6 Qb6+ 22. Kh1 Ne7 23. Bxg7+ Kxg7 24. Qg5+ Ng6 25. Rxc8 Rxc8 26. Rxc8 Bxc8 27. Ng3 f4 28. Nh5+ Kf8 29. Qh6+ Ke8 30. Qxh7 Qxb4 31. Qxg6+ Kd8 32. Qf6+ Kc7 33. h4 Bd7 34. Kh2 Qd2 35. Qf7 Qf2 36. Be6 1-0

[Event "IECG Cat-X email"]
[Site "IECG email"]
[Date "1994.??.??"]
[Round "?"]
[White "Duff, Ken"]
[Black "Rodriguez, Pablo"]
[Result "0-1"]
[ECO "E70"]
[PlyCount "54"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. f3 c6 6. Be3 d5 7. cxd5 cxd5 8. e5 Nfd7 9. Nxd5 Qa5+ 10. Nc3 Rd8 11. Qa4 Qxa4 12. Nxa4 Nc6 13. Bb5 Nb4 14. Kf2 Nf8 15. a3 Nc2 16. Rc1 Nxd4 17. Bxd4 Rxd4 18. Ne2 Rd5 19. Nac3 Rd2 20. f4 a6 21. Ba4 Rxb2 22. Nd5 Bg4 23. Nxe7+ Kh8 24. Rc2 Rxc2 25. Bxc2 Ne6 26. Bb3 Bf8 27. Nd5 Bxe2 0-1

[Event "IECG Cat-X email"]
[Site "IECG email"]
[Date "1994.??.??"]
[Round "?"]
[White "Duff, Ken"]
[Black "Shaw, Ewart"]
[Result "0-1"]
[ECO "A52"]
[PlyCount "74"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Bb4+ 5. Nd2 Nc6 6. Ngf3 f6 7. exf6 Qxf6 8. g3 Qxb2 9. Bg2 d6 10. 0-0 Bf5 11. Nb3 Be4 12. Ng5 Bxg2 13. Kxg2 h6 14. Ne6 Kd7 15. Nbc5+ Bxc5 16. Nxc5+ Kc8 17. Rb1 Qd4 18. Nxb7 Qxd1 19. Rfxd1 Rb8 20. Nxd6+ cxd6 21. Rxb8+ Nxb8 22. Rxd6 Nf6 23. f3 Kb7 24. e4 Rc8 25. Rd2 Nfd7 26. Bxb8 Nxb8 27. Rb2+ Kc6 28. f4 Nd7 29. Kf3 Nb6 30. Rd2 Nxc4 31. Rd4 Nb6 32. h3 Rc7 33. e5 Rd7 34. Rxd7 Kxd7 35. f5 Nd5 36. a3 Nb6 37. Ke4 Nc4 0-1

[Event "IECG Cat-X email"]
[Site "IECG email"]
[Date "1994.??.??"]
[Round "?"]
[White "Rodriguez, Pablo"]
[Black "Duff, Ken"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "66"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Qd2 Nbd7 9. f3 b5 10. a4 b4 11. Nd5 Bxd5 12. exd5 Nb6 13. Bxb6 Qxb6 14. a5 Qb7 15. 0-0-0 g6 16. g4 Bg7 17. h4 h5 18. g5 Nd7 19. Bd3 0-0 20. Be4 Rac8 21. Qd3 Nc5 22. Nxc5 Rxc5 23. b3 Rfc8 24. Qd2 Rxa5 25. Kb2 Rc3 26. Ra1 Rxa1 27. Rxa1 Rxf3 28. Ra4 Rc3 29. Qe2 Qb6 30. Qd2 a5 31. Kb1 Re3 32. Bg2 e4 33. Qc1 Bc3 0-1

[Event "IECG Cat-X email"]
[Site "IECG email"]
[Date "1994.??.??"]
[Round "?"]
[White "Shaw, Ewart"]
[Black "Duff, Ken"]
[Result "0-1"]
[ECO "C39"]
[PlyCount "50"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Bc4 d5 7. exd5 Bd6 8. d4 0-0 9. 0-0 Nh5 10. Nxg4 Qxh4 11. Nh2 Ng3 12. Re1 Bf5 13. Nd2 Nd7 14. Ndf3 Qh6 15. c3 Rae8 16. Bd2 a6 17. Bb3 Bd3 18. Bc2 Ne2+ 19. Kh1 Bxc2 20. Qxc2 Nf6 21. g4 Nxg4 22. Bxf4 Nf2+ 23. Kg2 Nxf4+ 24. Kxf2 Qg7 25. Kf1 Nxd5 0-1

[Event "IECG Cat-X email"]
[Site "IECG email"]
[Date "1994.??.??"]
[Round "?"]
[White "St Anna, Ricardo"]
[Black "Duff, Ken"]
[Result "0-1"]
[ECO "B99"]
[PlyCount "66"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. a3 Rb8 14. h4 b4 15. axb4 Rxb4 16. Bh3 Nc5 17. f5 Qb7 18. fxe6 fxe6 19. Rhf1 Rf8 20. Qh5+ g6 21. Rxf8+ Bxf8 22. Qg4 Bg7 23. Nde2 Nxe4 24. Nxe4 Rxe4 25. Qf3 Qxb2+ 26. Kd2 Qb4+ 27. c3 Qb2+ 28. Ke1 Rxe2+ 29. Qxe2 Qxc3+ 30. Qd2 Qxh3 31. Qxd6 Qxh4+ 32. Kf1 Qc4+ 33. Kg1 e5 0-1

