[Event "San Francisco TNM Spring op"]
[Site "San Francisco"]
[Date "2013.04.16"]
[Round "5"]
[White "Duren, Fred"]
[Black "Cohee, James"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "1822"]
[BlackElo "1656"]
[PlyCount "67"]
[EventDate "2013.03.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d6 3. d4 Nbd7 4. Bg2 e5 5. 0-0 Be7 6. c4 0-0 7. Nc3 Re8 8. e4 Bf8 9. h3 c6 10. Be3 a6 11. Nh4 Qc7 12. f4 b5 13. fxe5 dxe5 14. cxb5 cxb5 15. d5 Bc5 16. Bf2 g6 17. Kh2 Nh5 18. Qf3 Rf8 19. Rac1 Bxf2 20. Rxf2 Qd8 21. Qe3 Nb6 22. Qh6 Ng7 23. Rcf1 Ra7 24. Nf3 f6 25. Nxe5 Qd6 26. Nc6 Raf7 27. e5 fxe5 28. Rxf7 Rxf7 29. Rxf7 Kxf7 30. Ne4 Qf8 31. Nxe5+ Ke8 32. Qc1 Nc4 33. Nxc4 bxc4 34. Qxc4 1-0

[Event "US Amateur West-ch"]
[Site "Palo Verde"]
[Date "2009.05.23"]
[Round "1"]
[White "Kruml, Joseph"]
[Black "Duren, Fred"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2165"]
[BlackElo "1794"]
[PlyCount "91"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. b3 f5 2. Bb2 e6 3. e4 Nf6 4. exf5 exf5 5. Qe2+ Qe7 6. Bxf6 gxf6 7. Nc3 c6 8. 0-0-0 Qxe2 9. Bxe2 Ba3+ 10. Kb1 0-0 11. Nf3 d5 12. Bd3 Na6 13. Bxa6 bxa6 14. Nd4 Bd7 15. Rde1 Kf7 16. Nde2 Bd6 17. Kb2 f4 18. d4 Rg8 19. g3 Bg4 20. Nxf4 Bf3 21. Rhg1 Bxf4 22. gxf4 Rxg1 23. Rxg1 Rg8 24. Rg3 Bh5 25. Ka3 Rg4 26. Rxg4 Bxg4 27. Kb4 Ke6 28. Kc5 Kd7 29. Na4 Bf5 30. c4 Bb1 31. Nc3 Be4 32. Nxe4 dxe4 33. d5 cxd5 34. Kxd5 a5 35. Kxe4 Ke6 36. f5+ Kd6 37. Kd4 a6 38. c5+ Kc6 39. Kc4 h6 40. h3 h5 41. h4 a4 42. b4 a3 43. f3 Kc7 44. Kd5 Kd7 45. c6+ Kc7 46. Kc5 1-0

[Event "US Amateur West-ch"]
[Site "Palo Verde"]
[Date "2003.05.26"]
[Round "5"]
[White "Olesak, Michael"]
[Black "Duren, Fred"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1637"]
[BlackElo "1445"]
[PlyCount "68"]
[EventDate "2003.05.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Nc3 Nxe5 5. e4 c6 6. Be2 d6 7. Bf4 Bg4 8. Nd4 Bxe2 9. Qxe2 g6 10. Bg3 Bg7 11. 0-0-0 0-0-0 12. f4 Nd7 13. Rhe1 Nh6 14. Qc4 Nb6 15. Qb3 g5 16. e5 gxf4 17. exd6 Qg5 18. Nf3 Qf5 19. Bf2 Bxc3 20. Bxb6 Bxe1 21. Bxd8 Rxd8 22. Nxe1 Ng4 23. Nf3 Ne3 24. Rd2 Qe6 25. Ng5 Qc4 26. Qxc4 Nxc4 27. Nxf7 Nxd2 28. Nxd8 f3 29. gxf3 Nxf3 30. Ne6 Nxh2 31. c4 Kd7 32. Nf8+ Kxd6 33. Nxh7 Kc5 34. b3 Ng4 1/2-1/2

[Event "US Amateur West-ch"]
[Site "Palo Verde"]
[Date "2003.05.26"]
[Round "6"]
[White "Wilson, Jim"]
[Black "Duren, Fred"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1622"]
[BlackElo "1445"]
[PlyCount "100"]
[EventDate "2003.05.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Bc4 Nxc3 5. Qf3 e6 6. dxc3 Nd7 7. Bf4 Bd6 8. 0-0-0 Bxf4+ 9. Qxf4 0-0 10. Nf3 c6 11. g4 Qf6 12. Qe3 Nb6 13. Bd3 Nd5 14. Qe4 Qf4+ 15. Nd2 Qxe4 16. Nxe4 e5 17. Rdg1 f6 18. h4 Nf4 19. g5 Nxd3+ 20. cxd3 f5 21. Ng3 Be6 22. b3 Rad8 23. Rd1 Bd5 24. Rhe1 Rde8 25. Rd2 Bf3 26. Nf1 Bh5 27. Nh2 e4 28. dxe4 fxe4 29. Re3 Re7 30. Nf1 Rf4 31. Rh3 Bf3 32. Ne3 Kf7 33. Rh2 Kg6 34. Rd6+ Kh5 35. Kd2 g6 36. Nf1 Rxh4 37. Ng3+ Kxg5 38. Rxh4 Kxh4 39. Ke3 Kg5 40. Rd8 h5 41. Nf1 Bg2 42. Nh2 Kh4 43. Ke2 Kh3 44. Nf1 Bxf1+ 45. Kxf1 g5 46. Rg8 g4 47. Rg5 h4 48. Ra5 b6 49. Ra4 c5 50. b4 e3 1-0

[Event "US Amateur West-ch"]
[Site "Palo Verde"]
[Date "2003.05.25"]
[Round "3"]
[White "Duren, Fred"]
[Black "Quercia, Dylan"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1445"]
[BlackElo "1467"]
[PlyCount "47"]
[EventDate "2003.05.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Bf5 3. Nf3 e6 4. Bg5 Be7 5. Bxe7 Nxe7 6. Nh4 Nd7 7. Nxf5 Nxf5 8. e3 0-0 9. Bd3 Nd6 10. 0-0 f5 11. Nb5 Nxb5 12. Bxb5 c6 13. Be2 Nf6 14. c4 Qe7 15. Qb3 Rfc8 16. Bf3 Ne4 17. Bxe4 fxe4 18. f3 exf3 19. Rxf3 Rf8 20. Raf1 Rxf3 21. Rxf3 Rf8 22. Rxf8+ Kxf8 23. Qc2 Qb4 24. Qf2+ 1/2-1/2

[Event "US Amateur West-ch"]
[Site "Palo Verde"]
[Date "2003.05.25"]
[Round "4"]
[White "Duren, Fred"]
[Black "Thakur, Ashu"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1445"]
[PlyCount "20"]
[EventDate "2003.05.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 g6 3. Bg5 Bg7 4. Nf3 0-0 5. Qd2 d6 6. Bh6 Nbd7 7. 0-0-0 c6 8. h4 Bxh6 9. Qxh6 Ng4 10. Qg5 Nxf2 1/2-1/2

[Event "US Amateur West-ch"]
[Site "Palo Verde"]
[Date "2003.05.24"]
[Round "1"]
[White "Brown, Joshua"]
[Black "Duren, Fred"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1809"]
[BlackElo "1445"]
[PlyCount "71"]
[EventDate "2003.05.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bc4 Nxd5 4. d3 Nb6 5. Bb3 Nc6 6. a3 Nd4 7. Ba2 Be6 8. Nc3 Bxa2 9. Rxa2 Nd5 10. Nge2 e5 11. Qd2 Be7 12. b3 0-0 13. 0-0 f5 14. Nxd4 exd4 15. Ne2 c5 16. c3 dxc3 17. Nxc3 Bf6 18. Bb2 Bd4 19. Ne2 Qf6 20. Nxd4 cxd4 21. Raa1 f4 22. Qa5 Nc3 23. Bxc3 dxc3 24. Rac1 Rac8 25. Rc2 Qd4 26. Qb5 a6 27. Qxb7 Qxd3 28. Rfc1 Rfd8 29. Qe7 Qxc2 30. Qe6+ Kf8 31. Re1 Re8 32. Qd6+ Kg8 33. Qd5+ Kh8 34. Ra1 h6 35. Qf3 Qe4 36. Qg4 0-1

[Event "Webb op"]
[Site "Webb"]
[Date "1989.??.??"]
[Round "5"]
[White "Cross, Ted"]
[Black "Duren, Fred"]
[Result "1/2-1/2"]
[ECO "C11"]
[PlyCount "122"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[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. Nc3 Nf6 4. e5 Nfd7 5. f4 a6 6. Nf3 c5 7. Be3 Nc6 8. Qd2 Qb6 9. Na4 Qb4 10. Nxc5 Qxb2 11. Qc1 Qxc1+ 12. Rxc1 b5 13. Nxd7 Bxd7 14. c3 Ba3 15. Rb1 Na5 16. Bc1 Be7 17. Bd3 Rc8 18. Bd2 h5 19. h4 Nc4 20. Ke2 Ba3 21. Ne1 Rc7 22. g3 0-0 23. Nc2 Be7 24. Be1 Na3 25. Nxa3 Bxa3 26. Bd2 Rfc8 27. Rb3 Be7 28. Rg1 g6 29. Be1 Rb8 30. g4 hxg4 31. Rxg4 Kg7 32. h5 Be8 33. hxg6 fxg6 34. f5 exf5 35. Bxf5 Rb6 36. Bd3 g5 37. Rg1 Bg6 38. Bd2 Bxd3+ 39. Kxd3 Rg6 40. Rbb1 Rc4 41. Rb2 Ra4 42. Be1 Ra3 43. Kc2 Bd8 44. Kb1 Ba5 45. Rc2 Ra4 46. Rcg2 Bd8 47. Bd2 Kh6 48. Rh1+ Kg7 49. Rgh2 Kf7 50. Rh7+ Rg7 51. Rxg7+ Kxg7 52. Rf1 Rc4 53. Rf5 b4 54. e6 bxc3 55. Bxg5 c2+ 56. Kc1 Bxg5+ 57. Rxg5+ Kf6 58. Re5 Ke7 59. Rxd5 Kxe6 60. Ra5 Rxd4 61. Rxa6+ Rd6 1/2-1/2

[Event "Webb op"]
[Site "Webb"]
[Date "1989.??.??"]
[Round "2"]
[White "Duren, Fred"]
[Black "D'Arruda, Ricardo D"]
[Result "0-1"]
[ECO "D91"]
[BlackElo "2350"]
[PlyCount "52"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Bg5 Ne4 6. e3 Nxg5 7. Nxg5 0-0 8. Nf3 dxc4 9. Bxc4 c5 10. 0-0 cxd4 11. Nxd4 Nc6 12. Nde2 Qa5 13. Qb3 Rb8 14. Qb5 Qc7 15. Nd5 Qe5 16. Ndc3 Bf5 17. Qxe5 Nxe5 18. Bd5 e6 19. Be4 Bxe4 20. Nxe4 Nd3 21. Rab1 Nxb2 22. N4c3 Nc4 23. Rb4 Rfc8 24. Nb5 a6 25. Nbd4 Bf8 26. Ra4 Ra8 0-1

[Event "Webb op"]
[Site "Webb"]
[Date "1989.??.??"]
[Round "4"]
[White "Duren, Fred"]
[Black "Ramirez, Juan Manuel"]
[Result "0-1"]
[ECO "D51"]
[BlackElo "2280"]
[PlyCount "28"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. c4 Nbd7 5. Nc3 c6 6. e4 dxe4 7. Nxe4 Bb4+ 8. Nfd2 h6 9. Bh4 g5 10. Nxf6+ Nxf6 11. Bg3 Ne4 12. Ke2 Qxd4 13. Nb3 Nxg3+ 14. hxg3 Qe4# 0-1

[Event "Webb op"]
[Site "Webb"]
[Date "1989.??.??"]
[Round "3"]
[White "Ruggiero, Pamela"]
[Black "Duren, Fred"]
[Result "0-1"]
[ECO "D10"]
[PlyCount "68"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. e4 dxe4 5. Nc3 Nf6 6. Bg5 e6 7. f3 exf3 8. Nxf3 Be7 9. Bd3 Nc6 10. Qd2 Nd5 11. Bxe7 Ncxe7 12. Ne4 b6 13. Ne5 0-0 14. Ng5 Nf6 15. Qf2 Qe8 16. 0-0 h6 17. Nh3 Bb7 18. Qh4 Ng6 19. Nxg6 fxg6 20. Rae1 Qc6 21. Qg3 g5 22. Nf2 Rad8 23. Rc1 Qd7 24. Bc4 Ne4 25. Qe5 Qxd4 26. Qxe6+ Kh8 27. Rcd1 Qc5 28. Rxd8 Rxd8 29. b4 Qd4 30. Qf7 Bd5 31. Bxd5 Rxd5 32. Qf8+ Kh7 33. Kh1 Nf6 34. Qe7 Qxf2 0-1

