[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.26"]
[Round "7"]
[White "Siero, Paul"]
[Black "Cortenraad, Pierre"]
[Result "0-1"]
[ECO "C64"]
[WhiteElo "1160"]
[PlyCount "46"]
[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. Nf3 Nc6 3. Bb5 Bc5 4. c3 f5 5. exf5 Nf6 6. d3 0-0 7. 0-0 d5 8. Bxc6 bxc6 9. Nxe5 Bxf5 10. Re1 Bg4 11. Nxg4 Nxg4 12. d4 Qh4 13. h3 Nxf2 14. Qe2 Bd6 15. Be3 Qg3 16. Qxf2 Rxf2 17. Bxf2 Qh2+ 18. Kf1 Qh1+ 19. Bg1 Rf8+ 20. Ke2 Qxg2+ 21. Kd3 Qg3+ 22. Ke2 Re8+ 23. Be3 Qxe3+ 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.19"]
[Round "6"]
[White "Cortenraad, Pierre"]
[Black "Hortensius, Kees"]
[Result "0-1"]
[ECO "C58"]
[BlackElo "1457"]
[PlyCount "68"]
[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. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bf1 h6 9. Nf3 e4 10. Qe2 Be7 11. Ne5 Qc7 12. Nc4 Nxc4 13. Qxc4 Be6 14. Qc3 0-0 15. d4 exd3 16. Bxd3 Bd6 17. Bxh6 Be5 18. Qd2 gxh6 19. Qxh6 Bxb2 20. c3 Qe5+ 21. Qe3 Qxe3+ 22. fxe3 Bxa1 23. e4 Bxa2 24. 0-0 Bxb1 25. Bxb1 Bxc3 26. Rf3 Bd4+ 27. Kf1 Rad8 28. Rg3+ Kh8 29. Rh3+ Kg7 30. Rg3+ Kh6 31. Rh3+ Kg5 32. Rg3+ Kf4 33. Rf3+ Ke5 34. Ke2 Nxe4 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.12"]
[Round "5"]
[White "Kriek, F."]
[Black "Cortenraad, Pierre"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "1393"]
[PlyCount "72"]
[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. Nf3 Nc6 2. c4 d6 3. g3 e5 4. d3 Be7 5. Bg2 f5 6. e3 Nf6 7. Nc3 d5 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. 0-0 Be6 11. Ng5 e4 12. Nxe6 Qxe6 13. dxe4 0-0 14. exf5 Rxf5 15. Bh3 Raf8 16. Bxf5 Qxf5 17. Qb3+ Kh8 18. Qxb7 Ne5 19. Qg2 Nf3+ 20. Kh1 Bb4 21. Rd1 Ne1 22. Rxe1 Bxe1 23. f4 Qg4 24. Bd2 Bxd2 25. Qxd2 Qf3+ 26. Qg2 Qxe3 27. Rf1 h6 28. Qf3 Qd2 29. Rf2 Qc1+ 30. Kg2 Rd8 31. Qe4 Rd2 32. Qe3 Qc6+ 33. Qf3 Rxf2+ 34. Kxf2 Qc2+ 35. Qe2 Qc5+ 36. Qe3 Qc2+ 1/2-1/2

[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 "De Waard, Ad"]
[Black "Cortenraad, Pierre"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1411"]
[PlyCount "73"]
[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. Nf3 Nc6 3. Bc4 Nf6 4. d4 Nxe4 5. dxe5 d6 6. Qd5 Be6 7. Qxe4 d5 8. Bxd5 Bxd5 9. Qe2 Be7 10. 0-0 Bxf3 11. gxf3 Bh4 12. Rd1 Qe7 13. f4 Rd8 14. Rxd8+ Qxd8 15. Be3 Nd4 16. Bxd4 Qxd4 17. Nc3 0-0 18. Qf3 c6 19. Rd1 Qb4 20. f5 Kh8 21. Qh5 Qf4 22. Rf1 g6 23. Qe2 Qxf5 24. f4 Re8 25. Ne4 f6 26. Nd6 Qd7 27. Nxe8 Qxe8 28. e6 f5 29. Rd1 Qf8 30. Qe5+ Bf6 31. Qd6 Be7 32. Qc7 Qf6 33. Rd7 Qxb2 34. Qc8+ Kg7 35. Rxe7+ Kh6 36. Qf8+ Kh5 37. Rxh7+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.05.22"]
[Round "2"]
[White "Cortenraad, Pierre"]
[Black "Landheer, Ronald"]
[Result "0-1"]
[ECO "B90"]
[BlackElo "1701"]
[PlyCount "50"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 Nc6 7. Be3 e5 8. Nf3 h6 9. Bc4 Bg4 10. 0-0 Be7 11. Be2 0-0 12. Nd2 Bxe2 13. Nxe2 d5 14. f4 Ng4 15. Bf2 Nxf2 16. Rxf2 Bc5 17. fxe5 Nxe5 18. exd5 Qxd5 19. Nf4 Bxf2+ 20. Kxf2 Qd4+ 21. Kg3 Rad8 22. Qe1 Rfe8 23. Nb3 Qxb2 24. Qe4 Qc3+ 25. Kh4 Ng6+ 0-1

