[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.07.01"]
[Round "7"]
[White "Duijnisveld, Arnold"]
[Black "Bingen, Stanley"]
[Result "1-0"]
[ECO "C40"]
[WhiteElo "1544"]
[BlackElo "1306"]
[PlyCount "37"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Bd6 3. d4 exd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nf5 Rg8 7. Nxd6+ cxd6 8. 0-0 Qc7 9. Nc3 b6 10. Bf4 Ne5 11. Re1 b5 12. Nd5 Nxd5 13. exd5 g6 14. Bg3 Kf8 15. Bf4 Kg7 16. Qd2 Kh8 17. Bg5 Re8 18. Bf6+ Kg8 19. Qh6 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.06.24"]
[Round "6"]
[White "Otten, Martijn"]
[Black "Duijnisveld, Arnold"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1796"]
[BlackElo "1544"]
[PlyCount "83"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Bf4 a6 4. Nc3 c6 5. e3 Nf6 6. Nf3 Be7 7. Bd3 dxc4 8. Bxc4 Nbd7 9. 0-0 0-0 10. Qc2 b5 11. Bd3 Bb7 12. Rad1 Qc8 13. Ne4 Nxe4 14. Bxe4 Nf6 15. Bg5 h6 16. Bxf6 Bxf6 17. Rc1 Qc7 18. Bxc6 Rac8 19. Be4 Qxc2 20. Bxc2 Bxf3 21. gxf3 g6 22. Be4 a5 23. Bb7 Rb8 24. Ba6 b4 25. Rc5 Bd8 26. b3 Bb6 27. Rb5 Bc7 28. Rc1 Rxb5 29. Bxb5 Rc8 30. Kg2 Rb8 31. Rxc7 Rxb5 32. Rc5 Rxc5 33. dxc5 Kf8 34. Kg3 Ke7 35. Kf4 Kd7 36. Ke5 Kc6 37. Kf6 Kxc5 38. Kxf7 Kb5 39. Kxe6 a4 40. bxa4+ Kxa4 41. Kd5 Ka3 42. Kc4 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.06.17"]
[Round "5"]
[White "Duijnisveld, Arnold"]
[Black "Van der Heijden, Jaap"]
[Result "0-1"]
[ECO "B55"]
[WhiteElo "1544"]
[BlackElo "1777"]
[PlyCount "74"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 g6 6. c3 Bg7 7. 0-0 0-0 8. Nd2 Nc6 9. N2f3 Re8 10. Bg5 h6 11. Bh4 Qb6 12. Qb3 Qc7 13. Nb5 Qa5 14. Bc4 Nd8 15. e5 dxe5 16. Nxe5 Be6 17. Bxe6 Nxe6 18. Nxg6 Nc5 19. Qc4 Rac8 20. Ne5 Ne6 21. Qb3 a6 22. Nc4 Qxb5 23. Qxb5 axb5 24. Na3 Rc5 25. f3 Rd8 26. Bf2 Rcd5 27. c4 bxc4 28. Nxc4 b5 29. Ne3 Rd2 30. a4 bxa4 31. Rxa4 Rxb2 32. Ra7 Nd5 33. Nf5 Rc8 34. h3 Rcc2 35. Nxe7+ Nxe7 36. Rxe7 Rxf2 37. Rxf2 Bd4 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.06.10"]
[Round "4"]
[White "Renes, David"]
[Black "Duijnisveld, Arnold"]
[Result "0-1"]
[ECO "D04"]
[BlackElo "1544"]
[PlyCount "64"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 c6 4. Bd3 Nbd7 5. 0-0 e6 6. c3 Be7 7. Nbd2 a6 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Re1 0-0 12. Qd3 h6 13. b4 Qc7 14. a4 a5 15. Ba3 Rd8 16. b5 c5 17. c4 cxd4 18. Bxe7 Qxe7 19. Nxd4 e5 20. Bf3 Rxd4 21. Qe3 Qd6 22. Qxe5 Qxe5 23. Rxe5 Rb8 24. c5 Be6 25. h3 Bd5 26. Rd1 Rxd1+ 27. Bxd1 Re8 28. f4 Rxe5 29. fxe5 Nd7 30. Bg4 Nxc5 31. Bc8 b6 32. h4 Nxa4 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.06.03"]
[Round "3"]
[White "Duijnisveld, Arnold"]
[Black "Landsheer, Jos"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1544"]
[BlackElo "1704"]
[PlyCount "110"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Be2 0-0 8. 0-0 b6 9. Nxc6 Nxc6 10. Bxc5 bxc5 11. Qc2 Bb7 12. Nd2 Qg6 13. f4 d5 14. f5 Qd6 15. exd5 Qxd5 16. Bf3 Qd7 17. Rad1 Rab8 18. Nc4 Qc8 19. b3 Rd8 20. Rd3 Rxd3 21. Qxd3 Qe8 22. f6 Qd8 23. Qxd8+ Rxd8 24. fxg7 Kxg7 25. Rd1 Rxd1+ 26. Bxd1 Ne7 27. Ne5 Be4 28. a3 Nd5 29. c4 Nc3 30. Bf3 Bc2 31. b4 cxb4 32. axb4 f6 33. Nc6 a6 34. Kf2 Ne4+ 35. Ke3 Nd6 36. Kd4 f5 37. Nd8 Kf6 38. c5 Ne4 39. Kd5 Ke7 40. Nc6+ Kf6 41. Nb8 Bd3 42. Kc6 Ke6 43. Kxc7 a5 44. bxa5 Nxc5 45. Kb6 Kd6 46. a6 Ne6 47. a7 Nc7 48. Bb7 Be4 49. Na6 Na8+ 50. Bxa8 Bxa8 51. Nc7 Bxg2 52. a8Q Bxa8 53. Nxa8 f4 54. Nc7 f3 55. Nb5+ Ke5 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.05.27"]
[Round "2"]
[White "Volders, Wessel"]
[Black "Duijnisveld, Arnold"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "1820"]
[BlackElo "1544"]
[PlyCount "69"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 a6 5. d4 Nc6 6. a3 Bd7 7. b4 cxd4 8. cxd4 Rc8 9. Be3 Be7 10. Bd3 h6 11. h4 b5 12. Nbd2 Kf8 13. Nb3 Be8 14. Bd2 Bd7 15. g3 Be8 16. Kf1 Bd7 17. Kg2 f5 18. h5 Be8 19. Nc5 Bxc5 20. bxc5 Bf7 21. a4 Qe8 22. axb5 axb5 23. Bxb5 Bxh5 24. Bxc6 Rxc6 25. Rxh5 Qxh5 26. Ra8+ Kf7 27. Qa4 Ne7 28. Rxh8 Rc8 29. Rxc8 Nxc8 30. Qd7+ Ne7 31. c6 g5 32. Bb4 g4 33. Qxe7+ Kg8 34. Nh4 f4 35. c7 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.05.20"]
[Round "1"]
[White "Duijnisveld, Arnold"]
[Black "Erwich, Frans"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1544"]
[BlackElo "1961"]
[PlyCount "72"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. f3 Bc5 7. Nb3 Ba7 8. c3 Nc6 9. Bg5 Qb6 10. Rf1 Qc7 11. g3 d6 12. Na3 b5 13. Nc2 e5 14. g4 h5 15. Be3 hxg4 16. Bxa7 Nxa7 17. Qd2 Be6 18. Qg5 Rxh2 19. Qxg7 Ke7 20. Qg5 Rxe2+ 21. Kxe2 Bc4+ 22. Kd2 Rg8 23. Qf5 Be6 24. Qxe6+ fxe6 25. fxg4 Nxe4+ 26. Ke3 Rxg4 27. Kf3 Rf4+ 28. Kg2 Kf6 29. Rxf4+ exf4 30. Kf3 d5 31. Ncd4 e5 32. Ne2 Qb6 33. Ned4 Nc6 34. Rh1 exd4 35. cxd4 Nxd4+ 36. Kxf4 Nf5 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.26"]
[Round "7"]
[White "Gorter, Peter"]
[Black "Duijnisveld, Arnold"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1428"]
[BlackElo "1616"]
[PlyCount "58"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 a6 4. Nf3 Nc6 5. d3 Be7 6. g3 d6 7. Bg2 Nf6 8. 0-0 0-0 9. Ne2 Qc7 10. Nh4 Bd7 11. Kh1 Rac8 12. f5 e5 13. Nc3 b5 14. g4 b4 15. g5 bxc3 16. gxf6 cxb2 17. fxg7 Rfe8 18. Bxb2 Bxh4 19. Bc1 Bf6 20. Qg4 Nb4 21. Bh6 Nxc2 22. Rac1 Nd4 23. Rg1 Bb5 24. Bf1 Qa5 25. Bg5 Bxg5 26. Qxg5 Nf3 27. Qg2 Nxg1 28. Kxg1 Qa3 29. Qh3 Qxc1 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.19"]
[Round "6"]
[White "Kuipers, Joris"]
[Black "Duijnisveld, Arnold"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "1562"]
[BlackElo "1616"]
[PlyCount "89"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Be7 6. b3 0-0 7. Bd3 Nbd7 8. 0-0 a6 9. Qc2 g6 10. Bb2 Re8 11. Ne2 Bf8 12. Rfe1 Bg7 13. Ng3 dxc4 14. bxc4 c5 15. Rad1 Qc7 16. Ne5 Nxe5 17. dxe5 Ng4 18. f4 Bd7 19. Qe2 Nh6 20. e4 Rad8 21. h4 Bc8 22. Bc2 Qe7 23. Nf1 Qxh4 24. g3 Qh3 25. Rxd8 Rxd8 26. Rd1 Rf8 27. Rd2 f5 28. exf5 Nxf5 29. Bxf5 Qxf5 30. Ne3 Qb1+ 31. Nd1 Qxa2 32. Nc3 Qa5 33. Ne4 Qc7 34. Qe3 b6 35. Rh2 Bb7 36. Ng5 h6 37. Nxe6 Qc6 38. Nxg7 Kxg7 39. e6+ Kh7 40. e7 Qe8 41. f5 h5 42. fxg6+ Kxg6 43. Qe6+ Kh7 44. Qe5 Bf3 45. Qg7# 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.12"]
[Round "5"]
[White "Duijnisveld, Arnold"]
[Black "Siero, Paul"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "1616"]
[BlackElo "1160"]
[PlyCount "89"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Bb3 d5 5. Bg5 Be7 6. Bxf6 Bxf6 7. Qh5 0-0 8. Nd2 g6 9. Qf3 Be6 10. 0-0-0 dxe4 11. Qxe4 Nd7 12. Bxe6 fxe6 13. Qg4 Qe7 14. h4 Bg7 15. Ne4 Nf6 16. Nxf6+ Qxf6 17. Nh3 Bh6+ 18. Ng5 Qf4+ 19. Qxf4 Rxf4 20. f3 Rd8 21. Kb1 Re8 22. Ne4 b5 23. Rdf1 Ref8 24. Nc5 R8f6 25. Re1 Bf8 26. Nd7 R6f5 27. Rxe5 Rxe5 28. Nxe5 c5 29. b3 Bg7 30. Nc6 a6 31. Nd8 e5 32. Ne6 Rb4 33. a3 Kf7 34. axb4 Kxe6 35. bxc5 b4 36. h5 Kd5 37. hxg6 hxg6 38. Rh7 Bf8 39. Ra7 Bxc5 40. Rxa6 Kd4 41. Rxg6 Kc3 42. Rf6 Bd4 43. Rf5 Kd2 44. g4 Ke3 45. g5 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.05"]
[Round "4"]
[White "Cortenraad, Pierre"]
[Black "Duijnisveld, Arnold"]
[Result "1-0"]
[ECO "B41"]
[BlackElo "1616"]
[PlyCount "45"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bc4 Qa5+ 6. c3 b5 7. Bb3 Bb7 8. Qf3 Nf6 9. 0-0 Bxe4 10. Qe3 Bc5 11. Nd2 Bd5 12. Bxd5 Nxd5 13. Qg3 0-0 14. N2b3 Qb6 15. Bh6 g6 16. Nxc5 Qxc5 17. Rad1 Re8 18. Rfe1 Qc7 19. Qf3 Qd8 20. Qe4 Qf6 21. Nf3 Nc6 22. Rxd5 exd5 23. Qxe8+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.05.29"]
[Round "3"]
[White "Duijnisveld, Arnold"]
[Black "Borleffs, JJ."]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1616"]
[BlackElo "1456"]
[PlyCount "88"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 Nf6 3. Nc3 e5 4. Bc4 Bc5 5. 0-0 0-0 6. d3 h6 7. Nd5 d6 8. a3 Be6 9. b4 Bb6 10. Nxb6 axb6 11. Bb2 Bxc4 12. dxc4 Nxe4 13. b5 Na5 14. Qe2 f5 15. Rfd1 Qe7 16. a4 Qe6 17. Rd5 c6 18. bxc6 bxc6 19. Rxa5 Rxa5 20. Nd2 Nxd2 21. Qxd2 d5 22. Bc3 Rc5 23. Bb4 Rxc4 24. Bxf8 Kxf8 25. a5 bxa5 26. Rxa5 Kg8 27. f3 Qd6 28. h3 Kh7 29. g4 f4 30. Qd3+ Qg6 31. Qxg6+ Kxg6 32. Ra2 Kg5 33. Kg2 Rc3 34. Rb2 c5 35. Ra2 c4 36. Rb2 d4 37. Ra2 Re3 38. Kf2 d3 39. cxd3 cxd3 40. Rd2 Re2+ 41. Rxe2 dxe2 42. Kxe2 Kh4 43. Kd3 Kxh3 44. Ke4 Kg3 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.05.22"]
[Round "2"]
[White "Agaian, Jura"]
[Black "Duijnisveld, Arnold"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1842"]
[BlackElo "1616"]
[PlyCount "51"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 d6 6. Nc3 Bd7 7. Qd2 Nc6 8. 0-0-0 Nf6 9. f3 Be7 10. g4 h6 11. Kb1 Nxd4 12. Bxd4 Bc6 13. Qf2 d5 14. h4 Nd7 15. exd5 exd5 16. Bxg7 Bc5 17. Re1+ Be7 18. Bxh8 Kf8 19. Bd4 Bf6 20. Bd3 b5 21. g5 Bg7 22. Bxg7+ Kxg7 23. Qd4+ f6 24. gxh6+ Kh8 25. Rhg1 Ne5 26. Rxe5 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.05.15"]
[Round "1"]
[White "Duijnisveld, Arnold"]
[Black "Spaans, Coenraad"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1616"]
[BlackElo "1987"]
[PlyCount "47"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 g6 7. 0-0 d6 8. Bd2 Bg7 9. Bc3 0-0 10. Nd2 Bb7 11. b3 Qc7 12. Rb1 e5 13. Ba1 d5 14. Qe2 Rad8 15. Rfe1 Nd7 16. Qe3 Qa5 17. Nf1 Qxa2 18. Qg3 d4 19. Bxd4 exd4 20. Ra1 Qb2 21. Rxa7 Qc3 22. Raa1 Nc5 23. Bc4 Qxg3 24. Nxg3 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.06.27"]
[Round "7"]
[White "Duijnisveld, Arnold"]
[Black "Dorrepaal, Ard"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1563"]
[BlackElo "1580"]
[PlyCount "100"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Bb5 c6 5. Ba4 b5 6. Bb3 b4 7. e5 bxc3 8. exf6 cxb2 9. Bxb2 Nxf6 10. Nf3 e6 11. 0-0 Be7 12. Qd3 a5 13. Ba4 Qc7 14. Rfe1 0-0 15. c4 Rb8 16. Qc2 Ba6 17. Ng5 h6 18. Ne4 Rb4 19. Bb3 a4 20. Bxa4 Rxc4 21. Qd1 Rb8 22. Bb3 Nxe4 23. Rxe4 Rcb4 24. Bc3 R4b7 25. Qd2 d5 26. Rg4 Bg5 27. f4 f5 28. fxg5 fxg4 29. gxh6 g6 30. Qg5 Kh7 31. Qxg4 Qf7 32. Re1 Rf8 33. h3 Re7 34. Bb4 Qf2+ 35. Kh2 Rf4 36. Qg3 Re8 37. Bd6 Qxg3+ 38. Kxg3 Rxd4 39. Be5 Rd3+ 40. Kg4 c5 41. Ba4 Ra8 42. Bg7 Bc8 43. Bc2 Rd2 44. Bb1 Rxg2+ 45. Kf4 c4 46. h4 Ra4 47. h5 c3+ 48. Ke5 c2 49. hxg6+ Kxg6 50. Rg1 Re4+ 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.06.20"]
[Round "6"]
[White "De Mooij, Marco"]
[Black "Duijnisveld, Arnold"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "1765"]
[BlackElo "1563"]
[PlyCount "88"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 d6 7. Nc3 Nf6 8. Kh1 Bd7 9. f4 Nc6 10. Nf3 Be7 11. Be3 b5 12. Qd2 Nb4 13. Nd4 Nxd3 14. cxd3 Ng4 15. Bg1 0-0 16. Qe2 Nh6 17. Rac1 Qb7 18. Be3 b4 19. Nd1 e5 20. fxe5 Bg4 21. Qd2 dxe5 22. Nc6 Bxd1 23. Nxe7+ Qxe7 24. Rfxd1 Ng4 25. Bc5 Qh4 26. g3 Qh3 27. Bxf8 Rxf8 28. Rf1 f6 29. Qg2 Qxg2+ 30. Kxg2 Ne3+ 31. Kf2 Nxf1 32. Kxf1 Rb8 33. Rc7 a5 34. Ke2 Ra8 35. Kd2 h5 36. Kc2 Kh7 37. Kb3 Kh6 38. h4 g5 39. Rc6 Kg6 40. Kc4 Rd8 41. Rc5 Rd4+ 42. Kb5 Rxd3 43. Kxa5 Rxg3 44. Kxb4 Rg2 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.06.13"]
[Round "5"]
[White "Duijnisveld, Arnold"]
[Black "Hoogenboom, Paul"]
[Result "1/2-1/2"]
[ECO "B70"]
[WhiteElo "1563"]
[BlackElo "1629"]
[PlyCount "109"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. Bb3 0-0 8. 0-0 Nc6 9. Be3 Bd7 10. Kh1 Rc8 11. f4 Na5 12. e5 Ng4 13. Bg1 Nxb3 14. Nxb3 dxe5 15. fxe5 Nxe5 16. Bd4 Bf5 17. Qe2 Qc7 18. h3 Nc4 19. Bxg7 Kxg7 20. Nd5 Qe5 21. Qxe5+ Nxe5 22. Nxe7 Rxc2 23. Nxf5+ gxf5 24. Rxf5 f6 25. Nd4 Rxb2 26. Ne6+ Kg6 27. Rxe5 fxe5 28. Nxf8+ Kg7 29. Ne6+ Kf6 30. Nc5 b6 31. Nd3 Rd2 32. Ne1 e4 33. Kg1 Ke5 34. a4 Kf4 35. Ra3 e3 36. Nf3 Rd1+ 37. Kh2 e2 38. a5 e1Q 39. Nxe1 Rxe1 40. axb6 axb6 41. Ra7 h5 42. Rb7 Rb1 43. Rh7 Kg5 44. Rb7 b5 45. Rh7 b4 46. Rb7 b3 47. Rb4 b2 48. Kg3 Kf5 49. Kh4 Kg6 50. Rb6+ Kf5 51. Kxh5 Ke4 52. g4 Kd3 53. g5 Kc2 54. Rc6+ Kd2 55. Rb6 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.06.06"]
[Round "4"]
[White "Van Haastert, Edwin"]
[Black "Duijnisveld, Arnold"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2414"]
[BlackElo "1563"]
[PlyCount "41"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Nxc6 bxc6 7. 0-0 g6 8. e5 Bg7 9. Re1 Qc7 10. Bf4 Ne7 11. Qd2 Rb8 12. Nc3 Rxb2 13. Ne4 Bxe5 14. Nf6+ Kd8 15. Bxe5 Qa7 16. Bxb2 d5 17. Bd4 c5 18. Qa5+ Qc7 19. Qxc7+ Kxc7 20. Nxd5+ Nxd5 21. Bxh8 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.05.30"]
[Round "3"]
[White "Duijnisveld, Arnold"]
[Black "Bey, Jan"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "1563"]
[BlackElo "1937"]
[PlyCount "49"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bc4 Qc7 6. Bb3 Nf6 7. Qe2 Bc5 8. c3 d6 9. Bg5 Nc6 10. Bxf6 gxf6 11. Nxc6 bxc6 12. Nd2 a5 13. Qf3 Ke7 14. Ba4 e5 15. Nc4 Be6 16. Ne3 Bxe3 17. Qxe3 h5 18. f4 Rhg8 19. g3 Rab8 20. b3 c5 21. c4 Bc8 22. 0-0 h4 23. fxe5 fxe5 24. Qh6 Bd7 25. Qf6+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.05.23"]
[Round "2"]
[White "Frijling, Jeroen"]
[Black "Duijnisveld, Arnold"]
[Result "0-1"]
[ECO "D66"]
[WhiteElo "1774"]
[BlackElo "1563"]
[PlyCount "112"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 dxc4 8. Bxc4 0-0 9. 0-0 a6 10. Rc1 b5 11. Bd3 Bb7 12. Re1 c5 13. Bb1 cxd4 14. exd4 Rc8 15. Ne5 b4 16. Ne2 Nd5 17. Rxc8 Qxc8 18. Bxe7 Nxe7 19. Qd3 Nf6 20. Rc1 Qd8 21. Ng4 Ned5 22. Nf4 g6 23. Nxf6+ Nxf6 24. f3 Qd6 25. Ne2 Rd8 26. Qd2 e5 27. Rd1 a5 28. Qg5 e4 29. fxe4 Nxe4 30. Qh4 Re8 31. d5 Qb6+ 32. Nd4 Bxd5 33. Kh1 Ba8 34. Qe1 Qf6 35. Bxe4 Rxe4 36. Qg1 Rg4 37. Rd2 Qg5 38. h3 Rh4 39. Qf2 Rxh3+ 40. Kg1 Rg3 41. Ne6 fxe6 42. Rd8+ Qxd8 43. Qxg3 Qd4+ 44. Kh2 e5 45. Qh3 Qf4+ 46. Kh1 Qf5 47. Qb3+ Kg7 48. Kg1 Qg5 49. Qc2 Qe3+ 50. Kh2 Qf4+ 51. Kg1 Be4 52. Qc7+ Kh6 53. Qd8 Qe3+ 54. Kh2 Qg5 55. Qf8+ Kh5 56. Qf2 Qh4+ 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.05.16"]
[Round "1"]
[White "Duijnisveld, Arnold"]
[Black "Serdijn Koster, Adinda"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1563"]
[BlackElo "1976"]
[PlyCount "72"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. a3 f6 9. exf6 Nxf6 10. Bg5 Kf7 11. Qxe7+ Bxe7 12. Nc3 Re8 13. Be2 Rb8 14. 0-0-0 Nd5 15. Bd2 Nxc3 16. Bxc3 Bg5+ 17. Bd2 Rxe2 18. Bxg5 Rxf2 19. Rhf1 Rxf1 20. Rxf1+ Kg6 21. Bf4 Ba6 22. Re1 d6 23. Re7 Rc8 24. h4 h6 25. b4 Kf6 26. Re3 Kf5 27. Rf3 Kg4 28. Rf2 Kxh4 29. Be3 g5 30. Kd2 Bc4 31. Rf6 Rh8 32. Bf2+ Kg4 33. a4 a6 34. c3 Re8 35. Be3 h5 36. Rf7 Bxf7 0-1

[Event "Leiden SB-chB"]
[Site "Leiden"]
[Date "2004.07.07"]
[Round "7"]
[White "Frijling, Jeroen"]
[Black "Duijnisveld, Arnold"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "1813"]
[BlackElo "1532"]
[PlyCount "59"]
[EventDate "2004.05.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Nxc6 bxc6 7. 0-0 Qc7 8. c4 Bb7 9. Nc3 Rd8 10. Qa4 Be7 11. Be3 Nf6 12. h3 0-0 13. Rac1 c5 14. Rfd1 d6 15. Bf4 Qb6 16. Qc2 d5 17. cxd5 exd5 18. exd5 Bxd5 19. Bxh7+ Nxh7 20. Nxd5 Qb7 21. Nxe7+ Qxe7 22. Rxd8 Rxd8 23. Qxc5 Qe2 24. Qb6 Rd1+ 25. Rxd1 Qxd1+ 26. Kh2 Nf6 27. Qxa6 Qh5 28. Qc8+ Kh7 29. b4 g5 30. Qf5+ 1-0

[Event "Leiden SB-chB"]
[Site "Leiden"]
[Date "2004.06.23"]
[Round "5"]
[White "Duijnisveld, Arnold"]
[Black "Landsheer, Jos"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1532"]
[BlackElo "1655"]
[PlyCount "123"]
[EventDate "2004.05.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Be2 Qg6 8. Bf3 Ne5 9. 0-0 Nxf3+ 10. Qxf3 0-0 11. Nd2 d6 12. Nb5 f5 13. Bxc5 dxc5 14. Nxc7 fxe4 15. Qxe4 Qxe4 16. Nxe4 Rb8 17. Nxc5 Bf5 18. Rfe1 Ng6 19. N5e6 Rf6 20. Nd4 Bd7 21. Nd5 Rf7 22. Re3 Rd8 23. Rae1 Bc6 24. Ne7+ Nxe7 25. Rxe7 Rxe7 26. Rxe7 Kf8 27. Re3 Bd5 28. a3 Kf7 29. f3 Rd6 30. Kf2 Rb6 31. Re2 Kf6 32. g4 Bc4 33. Rd2 Kg5 34. Kg3 g6 35. f4+ Kf6 36. Nf3 h5 37. g5+ Ke7 38. Ne5 Ba2 39. h4 Bb1 40. b4 Ra6 41. Rd7+ Ke6 42. Rxb7 Rxa3 43. Rc7 Be4 44. Rc5 a6 45. Nf3 Kd6 46. Nd4 Ra2 47. f5 gxf5 48. Nxf5+ Bxf5 49. Rxf5 Rd2 50. Rc5 Rd3+ 51. Kf4 Rh3 52. g6 Rxh4+ 53. Kg3 Rg4+ 54. Kf3 Rxg6 55. Rxh5 Rf6+ 56. Ke4 Rg6 57. Rh4 Kc6 58. c4 Re6+ 59. Kd4 Kb6 60. Re4 Rd6+ 61. Kc3 a5 62. c5+ 1-0

[Event "Leiden SB-chB"]
[Site "Leiden"]
[Date "2004.06.09"]
[Round "4"]
[White "Siero, Paul"]
[Black "Duijnisveld, Arnold"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1162"]
[BlackElo "1532"]
[PlyCount "70"]
[EventDate "2004.05.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. 0-0 Nxd4 7. c3 Nc6 8. b4 Nf6 9. Re1 Qc7 10. Qe2 d6 11. Bg5 Be7 12. f4 e5 13. f5 Bd7 14. Nd2 b5 15. a4 0-0 16. axb5 axb5 17. Bxb5 Na7 18. c4 Nxb5 19. cxb5 Qb6+ 20. Be3 Qxb5 21. Qxb5 Bxb5 22. Rac1 Rfc8 23. Rb1 Bd3 24. Rb3 Bc2 25. Rb2 Nxe4 26. b5 Nxd2 27. Bxd2 Bxf5 28. b6 Rab8 29. b7 Rc7 30. Ra1 Rcxb7 31. Rxb7 Rxb7 32. Ra8+ Bf8 33. Ba5 Rb1+ 34. Kf2 Rc1 35. Bd8 Rc8 0-1

[Event "Leiden SB-chB"]
[Site "Leiden"]
[Date "2004.06.02"]
[Round "3"]
[White "Duijnisveld, Arnold"]
[Black "Van Leeuwen, Sieb"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1532"]
[PlyCount "126"]
[EventDate "2004.05.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nf6 8. 0-0 a6 9. a4 0-0 10. Kh1 Bd7 11. Qd2 Ng4 12. Bxg4 Bxg4 13. f4 Nxd4 14. Bxd4 Bxd4 15. Qxd4 Bd7 16. Nd5 Rc8 17. c3 Rc6 18. f5 f6 19. fxg6 hxg6 20. Nf4 Kh7 21. Qf2 g5 22. Nd5 Rc4 23. Qc2 Kg7 24. Ne3 Rc6 25. Qf2 Rh8 26. Nf5+ Bxf5 27. Qxf5 Qc7 28. Rae1 Rc4 29. Rd1 Rxe4 30. Qd5 Rxa4 31. Rde1 Qd7 32. Re6 Rah4 33. h3 Re8 34. Rfe1 Kf8 35. c4 Qc6 36. Qd3 g4 37. Kh2 gxh3 38. gxh3 Qxc4 39. Qe3 Qf4+ 40. Qxf4 Rxf4 41. Kg3 Rf5 42. R6e3 Re5 43. h4 Kf7 44. Rxe5 dxe5 45. h5 b5 46. Ra1 Ra8 47. b4 Kg7 48. Rc1 Kh6 49. Rc7 Kxh5 50. Rxe7 Rg8+ 51. Kf3 Rg6 52. Re6 Kh4 53. Rxa6 Rg3+ 54. Ke2 Rg2+ 55. Kf3 Rg3+ 56. Ke2 f5 57. Rb6 f4 58. Rxb5 f3+ 59. Kf2 Kg4 60. Rxe5 Rg2+ 61. Kf1 Kg3 62. Rg5+ Kh2 63. Rh5+ Kg3 1/2-1/2

[Event "Leiden SB-chB"]
[Site "Leiden"]
[Date "2004.05.19"]
[Round "1"]
[White "Duijnisveld, Arnold"]
[Black "Van der Maat, Niek"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "1532"]
[BlackElo "1811"]
[PlyCount "116"]
[EventDate "2004.05.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. d3 dxc4 4. dxc4 Qxd1+ 5. Kxd1 e5 6. Nc3 Nf6 7. f3 Be6 8. Be3 Nbd7 9. Kc2 a5 10. a4 Bc5 11. Bxc5 Nxc5 12. b3 0-0-0 13. Rd1 Rxd1 14. Nxd1 Na6 15. Nb2 Nb4+ 16. Kc3 Rd8 17. g4 Nd7 18. Nh3 Nc5 19. Nf2 Kd7 20. Be2 Ke7 21. Rd1 Rxd1 22. Nbxd1 Bd7 23. Ne3 g6 24. h4 Ne6 25. g5 Nd4 26. Bd1 f5 27. gxf6+ Kxf6 28. Nfg4+ Bxg4 29. Nxg4+ Ke6 30. f4 Na2+ 31. Kb2 Nb4 32. Nxe5 Ke7 33. Bg4 Na6 34. Kc3 Ne6 35. f5 gxf5 36. Bxf5 h6 37. h5 Nac5 38. Ng4 Nf4 39. Nxh6 Nxh5 40. e5 Ng7 41. Bc2 Ke6 42. Kd4 Nd7 43. Ng4 c5+ 44. Ke4 Nf5 45. Kf4 Nd4 46. Be4 Nxb3 47. Bxb7 Nb6 48. Ne3 Nxa4 49. Bd5+ Ke7 50. Nf5+ Kd8 51. e6 Nd4 52. e7+ Ke8 53. Nxd4 Kxe7 54. Nc6+ Kd6 55. Nxa5 Nb6 56. Nb7+ Ke7 57. Ke4 Nxc4 58. Bxc4 Kf6 1/2-1/2

