[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 "Dorrepaal, Ard"]
[Black "Agaian, Jura"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "1580"]
[BlackElo "1871"]
[PlyCount "27"]
[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. Bb5+ Nc6 4. d4 cxd4 5. Nxd4 Bd7 6. Nc3 g6 7. Bxc6 bxc6 8. Nf3 Bg7 9. 0-0 Nf6 10. e5 dxe5 11. Nxe5 Nd5 12. Nxd5 Bxe5 13. Re1 Bd6 14. Nf6+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.06.06"]
[Round "4"]
[White "Dorrepaal, Ard"]
[Black "Gorter, Peter"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "1580"]
[BlackElo "1392"]
[PlyCount "61"]
[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. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. Bxb5 Qxd5 7. Qe2 Qxg2 8. Qxe5+ Be7 9. Rf1 0-0 10. Qg3 Qxg3 11. hxg3 Nd4 12. Bd3 h6 13. Ne4 Nf3+ 14. Kd1 Bg4 15. Nxf6+ Bxf6 16. Be2 Rfe8 17. Nc3 h5 18. d3 Rab8 19. a4 g6 20. Ne4 Rb6 21. c3 Bh3 22. Rh1 Bg2 23. Be3 Rbe6 24. Rf1 Bxf1 25. Bxf1 a6 26. Bg2 Ne5 27. Bh3 Rc6 28. Bd4 Rd8 29. f4 Nxd3 30. Nxf6+ Rxf6 31. Bxf6 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.05.30"]
[Round "3"]
[White "Van den Bosse, Bart"]
[Black "Dorrepaal, Ard"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "1691"]
[BlackElo "1580"]
[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. d4 d6 2. c4 Nf6 3. Nc3 Nbd7 4. e4 e5 5. d5 h6 6. Be3 c6 7. Bd3 Be7 8. f4 Qc7 9. Nf3 Ng4 10. Bd2 Qb6 11. Qe2 Nc5 12. Rf1 exf4 13. Bxf4 Qxb2 14. Rc1 Bf6 15. Bd2 0-0 16. Rb1 Qa3 17. Rc1 Bf5 18. Kd1 Rfe8 19. h3 Ne5 20. Nxe5 Bxe4 21. Nxe4 Rxe5 22. Nxf6+ gxf6 23. Qg4+ Kh8 24. Bc2 Rg8 25. Qh4 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.05.23"]
[Round "2"]
[White "Dorrepaal, Ard"]
[Black "Plug, Arjan JH"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1580"]
[BlackElo "1801"]
[PlyCount "94"]
[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 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. c3 Nf6 6. Nf3 h6 7. 0-0 Bd6 8. Re1+ Be6 9. Qc2 Qe7 10. Ne5 Bxe5 11. dxe5 Nd7 12. f4 g6 13. b4 Qh4 14. g3 Qg4 15. Be3 h5 16. Be2 Qf5 17. Qd1 Qh3 18. Nd2 h4 19. Bf1 Qf5 20. g4 Qxg4+ 21. Qxg4 Bxg4 22. h3 Be6 23. Nf3 Ne7 24. Ng5 Nf5 25. Bd3 0-0-0 26. Bxa7 Nf8 27. a4 Nh7 28. a5 Nxg5 29. fxg5 Rh5 30. a6 Rxg5+ 31. Kh2 Rg3 32. Bxf5 Bxf5 33. Re3 bxa6 34. Rxa6 Kb7 35. Ra5 Ra8 36. Bc5 Rxa5 37. bxa5 Kc6 38. Bd4 Rxe3 39. Bxe3 Kb5 40. Bg5 Kxa5 41. Bxh4 Kb5 42. Be1 Kc4 43. Kg3 Kd3 44. h4 d4 45. cxd4 Kxd4 46. Kf4 c5 47. Bf2+ Kd5 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.05.16"]
[Round "1"]
[White "Van der Marel, Eric J"]
[Black "Dorrepaal, Ard"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "1986"]
[BlackElo "1580"]
[PlyCount "57"]
[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 d6 2. c4 Nf6 3. Nc3 Nbd7 4. e4 e5 5. d5 h6 6. Be3 c6 7. f3 Be7 8. Qd2 Qc7 9. Nge2 g5 10. h4 Nh7 11. hxg5 hxg5 12. Ng3 Ndf8 13. c5 Ng6 14. 0-0-0 Qd8 15. dxc6 bxc6 16. cxd6 Bf8 17. Nf5 Be6 18. Na4 f6 19. Nc5 Bd7 20. Bc4 a5 21. a4 Qb8 22. Na6 Qb7 23. Nc7+ Kd8 24. Nxa8 Qxa8 25. Bb6+ Ke8 26. Qxa5 Qxa5 27. Bxa5 Nf4 28. Bb6 Nxg2 29. a5 1-0

