[Event "Vlissingen HZ op 22nd"]
[Site "Vlissingen"]
[Date "2018.08.07"]
[Round "5"]
[White "Van Baar, Esper"]
[Black "Colijn, Erik Jan"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2241"]
[BlackElo "1991"]
[PlyCount "87"]
[EventDate "2018.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. d5 Bf5 7. b3 N8d7 8. Bb2 h6 9. Nf3 Nf6 10. Bd3 Bxd3 11. Qxd3 g6 12. Nc3 Bg7 13. 0-0 0-0 14. Rfe1 Nbd7 15. Ne4 a6 16. Re2 Re8 17. Ng3 Nc5 18. Qd2 b5 19. Rae1 Qd7 20. cxb5 axb5 21. Bxf6 exf6 22. Rxe8+ Rxe8 23. Rxe8+ Qxe8 24. Qf4 Qe7 25. h4 f5 26. h5 Qf6 27. Kh2 Nd3 28. Qd2 Ne5 29. Qe2 f4 30. Ne4 Ng4+ 31. Kg1 Qa1+ 32. Qe1 Qxe1+ 33. Nxe1 Bd4 34. Nd3 f3 35. Nxd6 b4 36. Nb5 Bb6 37. gxf3 Nf6 38. Nxb4 Bc5 39. Nd3 Bb6 40. d6 Nxh5 41. Ne5 Nf4 42. a4 Nd5 43. Nc6 Nf6 44. a5 1-0

[Event "Vlissingen HZ op 22nd"]
[Site "Vlissingen"]
[Date "2018.08.05"]
[Round "2"]
[White "Colijn, Erik Jan"]
[Black "Rijnaarts, Sjef"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1991"]
[BlackElo "2339"]
[PlyCount "66"]
[EventDate "2018.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 g6 6. Be2 Bg7 7. 0-0 0-0 8. c4 Qd6 9. dxc5 Qxd1 10. Rxd1 Ne4 11. Nc3 Nxc3 12. bxc3 Bxc3 13. Rb1 Na6 14. Be3 f5 15. Rd3 Bg7 16. c6 bxc6 17. Ra3 e5 18. c5 Nc7 19. Ng5 Bf6 20. Bc4+ Kg7 21. f4 Be7 22. Nf3 exf4 23. Bd4+ Bf6 24. Ne5 Re8 25. Nxc6 Bxd4+ 26. Nxd4 Re4 27. Rd3 Kf6 28. Nb5 Rb8 29. Rd6+ Ne6 30. Rc1 Rxc4 31. Rxc4 Rxb5 32. c6 Rb1+ 33. Kf2 Ba6 0-1

[Event "Vlissingen HZ op 21st"]
[Site "Vlissingen"]
[Date "2017.08.12"]
[Round "9"]
[White "Raahul, VS."]
[Black "Colijn, Erik Jan"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2224"]
[BlackElo "1993"]
[PlyCount "79"]
[EventDate "2017.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. d4 0-0 6. Nf3 Nc6 7. 0-0 e5 8. d5 Ne7 9. e4 Ne8 10. Be3 f5 11. Qd2 Nf6 12. exf5 gxf5 13. Ng5 Ng4 14. Ne6 Bxe6 15. dxe6 Nxe3 16. fxe3 Rb8 17. e4 c6 18. Rad1 Qb6+ 19. Kh1 Rbd8 20. Qg5 h6 21. Qxe7 Bf6 22. Na4 Bxe7 23. Nxb6 axb6 24. exf5 Ra8 25. a3 Ra4 26. Rc1 Kg7 27. Rc3 Rd8 28. h4 Kf6 29. g4 Kg7 30. f6+ Bxf6 31. Rcf3 Rf8 32. g5 hxg5 33. hxg5 Rh8+ 34. Kg1 Bxg5 35. Rf7+ Kh6 36. b3 Rxa3 37. R1f3 Ra1+ 38. Kf2 Ra2+ 39. Kf1 Ra1+ 40. Kf2 1/2-1/2

[Event "Vlissingen HZ op 21st"]
[Site "Vlissingen"]
[Date "2017.08.11"]
[Round "8"]
[White "Colijn, Erik Jan"]
[Black "Keetman, Maaike"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "1993"]
[BlackElo "2243"]
[PlyCount "87"]
[EventDate "2017.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 Bd6 8. 0-0-0 Be5 9. Kb1 Nge7 10. Be2 b5 11. Qg4 b4 12. Na4 d5 13. Nxc6 Qxc6 14. Nb6 Rb8 15. f4 Bxb2 16. Kxb2 Qc3+ 17. Kb1 Qxe3 18. Nxc8 Rxc8 19. Bxa6 Rc5 20. exd5 Nxd5 21. Rd3 Qf2 22. Qxg7 Qxc2+ 23. Ka1 Rf8 24. Qb2 Qxb2+ 25. Kxb2 Nxf4 26. Rd4 Nd5 27. Bb7 Ke7 28. Bxd5 Rxd5 29. Rxd5 exd5 30. Kb3 Rg8 31. Re1+ Kd6 32. Re2 Rg4 33. Rf2 Ke6 34. Re2+ Kf5 35. Re7 Rxg2 36. Rxf7+ Kg6 37. Rb7 Rxh2 38. Rxb4 Kf5 39. a4 Rh3+ 40. Kb2 Rh6 41. Kc3 Ra6 42. Rh4 Ra7 43. Rd4 Ke5 44. Rh4 1/2-1/2

[Event "Vlissingen HZ op 21st"]
[Site "Vlissingen"]
[Date "2017.08.06"]
[Round "2"]
[White "Colijn, Erik Jan"]
[Black "Huesmann, Thomas"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1993"]
[BlackElo "2279"]
[PlyCount "50"]
[EventDate "2017.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 g6 3. h4 Bg7 4. h5 h6 5. Bf4 g5 6. Be5 Nf6 7. c4 d6 8. Bxf6 Bxf6 9. Nc3 c6 10. e4 Qb6 11. Nf3 g4 12. e5 Bg7 13. Nh4 dxe5 14. dxe5 Qxb2 15. Qc1 Qxc1+ 16. Rxc1 Bxe5 17. Ng6 Bxc3+ 18. Rxc3 Rh7 19. f3 gxf3 20. gxf3 c5 21. Ne5 Nd7 22. f4 Nxe5 23. fxe5 Rg7 24. Kf2 Bd7 25. Bg2 Rxg2+ 0-1

[Event "Utrecht OKU op 42nd"]
[Site "Utrecht"]
[Date "2015.06.05"]
[Round "1"]
[White "Pruijssers, Roeland"]
[Black "Colijn, Erik Jan"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2507"]
[BlackElo "1975"]
[PlyCount "33"]
[EventDate "2015.06.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 cxd4 5. 0-0 a6 6. Bc4 d6 7. d3 g6 8. f4 Bg7 9. Nd2 Nf6 10. Qe2 0-0 11. Nf3 b5 12. Bb3 Qb6 13. e5 dxe5 14. fxe5 Ne8 15. Bg5 Ra7 16. Qf2 h6 17. Qh4 1-0

[Event "Vlissingen HZ op 15th"]
[Site "Vlissingen"]
[Date "2011.08.03"]
[Round "6"]
[White "Colijn, Erik Jan"]
[Black "Meurs, Tom WA"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "1961"]
[BlackElo "2217"]
[PlyCount "82"]
[EventDate "2011.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. d3 Qf6 7. Be3 c5 8. Nbd2 Bd6 9. h3 Bh5 10. Qc1 Ne7 11. Nh2 Nc6 12. Nb3 Nd4 13. Nxd4 cxd4 14. Bg5 Qe6 15. f4 exf4 16. Bxf4 0-0-0 17. Bxd6 Rxd6 18. Qg5 Bg6 19. Qg4 Re8 20. Rf2 Rb6 21. b3 Qxg4 22. Nxg4 a5 23. a4 Kd7 24. Nh2 Kd6 25. Nf3 Kc5 26. Nh4 f6 27. Nf5 Bxf5 28. Rxf5+ Re5 29. Rf2 Kb4 30. Kf1 Kc3 31. Rb1 g6 32. g4 Rc5 33. Ke1 h5 34. Kd1 hxg4 35. hxg4 Rg5 36. Rf4 c5 37. Kc1 f5 38. b4 c4 39. exf5 gxf5 40. Rxf5 Rxf5 41. gxf5 Rh6 0-1

[Event "Vlissingen HZ op 15th"]
[Site "Vlissingen"]
[Date "2011.08.01"]
[Round "4"]
[White "Colijn, Erik Jan"]
[Black "Duchene, Rene"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1961"]
[BlackElo "2206"]
[PlyCount "54"]
[EventDate "2011.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 c5 5. c3 Nc6 6. Nf3 Nf6 7. 0-0 cxd4 8. cxd4 Be7 9. Bg5 0-0 10. h3 h6 11. Be3 Nb4 12. Be2 Bf5 13. Nc3 Nc2 14. Rc1 Nxe3 15. fxe3 Ne4 16. Nxe4 Bxe4 17. Qb3 Bd6 18. Nd2 Qg5 19. Nxe4 dxe4 20. Bg4 Rae8 21. Rf5 Qh4 22. Bh5 Re7 23. Rcf1 Qg3 24. Rxf7 Qh2+ 25. Kf2 Rfxf7+ 26. Ke1 Qg3+ 27. Kd1 g6 0-1

[Event "Vlissingen HZ op 15th"]
[Site "Vlissingen"]
[Date "2011.07.31"]
[Round "2"]
[White "Colijn, Erik Jan"]
[Black "Haast, Anne"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1961"]
[BlackElo "2223"]
[PlyCount "34"]
[EventDate "2011.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. a3 g6 3. b4 Bg7 4. Nc3 b6 5. Rb1 Nc6 6. Nf3 Nf6 7. b5 Nd4 8. Bb2 Bb7 9. d3 0-0 10. Nxd4 cxd4 11. Ne2 e5 12. Ng3 d5 13. f3 Nd7 14. Be2 Rc8 15. Qd2 Qh4 16. Bc1 f5 17. exd5 f4 0-1

[Event "NED-ch U21"]
[Site "Haarlem"]
[Date "2011.05.08"]
[Round "9"]
[White "Nicolai, Amir"]
[Black "Colijn, Erik Jan"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1931"]
[BlackElo "1982"]
[PlyCount "61"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Nbd7 7. f3 e6 8. g4 h6 9. Qd2 Qc7 10. h4 b5 11. a3 Bb7 12. Qg2 Ne5 13. g5 hxg5 14. hxg5 Rxh1 15. Qxh1 Nfd7 16. Qh3 Nc5 17. 0-0-0 0-0-0 18. Bf4 Kb8 19. Kb1 Ned7 20. Ndxb5 axb5 21. Nxb5 Qb6 22. Rxd6 Bxd6 23. Bxd6+ Kc8 24. Bc7 Qxc7 25. Nxc7 Kxc7 26. Qh2+ Kc8 27. Qd6 e5 28. Bh3 Na6 29. Qxe5 Bc6 30. b4 Kb7 31. Qe7 1-0

[Event "NED-ch U21"]
[Site "Haarlem"]
[Date "2011.05.07"]
[Round "8"]
[White "Colijn, Erik Jan"]
[Black "Otten, Martijn"]
[Result "1/2-1/2"]
[ECO "C04"]
[WhiteElo "1982"]
[BlackElo "1959"]
[PlyCount "39"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Be2 f6 7. exf6 gxf6 8. Nf1 Bg7 9. Ne3 0-0 10. h4 Nb6 11. h5 e5 12. h6 Bh8 13. Rh5 e4 14. Nh4 Kf7 15. Nhf5 Rg8 16. c4 Be6 17. c5 Nc8 18. Bg4 Qd7 19. Bh3 N8e7 20. a3 1/2-1/2

[Event "NED-ch U21"]
[Site "Haarlem"]
[Date "2011.05.06"]
[Round "7"]
[White "Van Ee, Robin"]
[Black "Colijn, Erik Jan"]
[Result "0-1"]
[ECO "B86"]
[BlackElo "1982"]
[PlyCount "72"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. 0-0 Nc5 9. Re1 Be7 10. Qf3 0-0 11. Be3 Bd7 12. Rad1 Rc8 13. Bc1 Nxb3 14. cxb3 Qc7 15. Qg3 b5 16. Bh6 Ne8 17. Rd3 Qd8 18. Qg4 f5 19. exf5 exf5 20. Qh5 gxh6 21. Rg3+ Kh8 22. Qxh6 f4 23. Nd5 Rg8 24. Qxf4 Bg5 25. Qf7 Ng7 26. Qf3 Rf8 27. Qd3 Rc5 28. Nc3 Re5 29. Rf1 Bf4 30. Rf3 Qe8 31. Nce2 Nh5 32. g3 Bh6 33. Nc3 Bh3 34. Ra1 Re1+ 35. Rxe1 Qxe1+ 36. Qf1 Qxf1# 0-1

[Event "NED-ch U21"]
[Site "Haarlem"]
[Date "2011.05.05"]
[Round "6"]
[White "Colijn, Erik Jan"]
[Black "Manoch, Maurice"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "1982"]
[BlackElo "1769"]
[PlyCount "62"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Nc3 g6 7. Bd3 Bg7 8. Nge2 Nc6 9. Be3 0-0 10. a3 e5 11. d5 Ne7 12. 0-0 f5 13. f3 f4 14. Bf2 Bf5 15. Ne4 Bxe4 16. fxe4 g5 17. b4 Rf6 18. c5 Nd7 19. Rc1 Rh6 20. Nc3 Nf6 21. cxd6 Nc8 22. Nb5 Nxd6 23. Nc7 Rc8 24. Ne6 Qe8 25. Rxc8 Nxc8 26. Qc2 g4 27. Bb5 Qxb5 28. Qxc8+ Qe8 29. Rc1 Bf8 30. Rc7 g3 31. hxg3 Rh1+ 1/2-1/2

[Event "NED-ch U21"]
[Site "Haarlem"]
[Date "2011.05.04"]
[Round "5"]
[White "Colijn, Erik Jan"]
[Black "Van Osch, Mees"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "1982"]
[PlyCount "80"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 Nf6 5. e4 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Nd2 Nd7 10. b4 f5 11. f3 f4 12. Nb3 g5 13. c5 Nf6 14. Na5 Rf7 15. Bd2 Bf8 16. cxd6 cxd6 17. Rc1 h5 18. Nb5 Ng6 19. Kh1 g4 20. Qc2 Ne8 21. fxg4 hxg4 22. g3 Rh7 23. Qd3 a6 24. Nc3 Rh3 25. Be1 Qg5 26. Rc2 Qh5 27. Bd1 fxg3 28. Bxg3 Nf4 29. Qe3 Bh6 30. Qg1 Qg6 31. Nc4 Nf6 32. Nxd6 Bd7 33. Qf2 Rf8 34. Rg1 N6h5 35. Nc4 Nxg3+ 36. Rxg3 Nh5 37. Nxe5 Rxf2 38. Nxg6 Nxg3+ 39. Kg1 Rxc2 40. Bxc2 Nh5 0-1

[Event "NED-ch U21"]
[Site "Haarlem"]
[Date "2011.05.03"]
[Round "4"]
[White "Le Clercq, Maxim"]
[Black "Colijn, Erik Jan"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1846"]
[BlackElo "1982"]
[PlyCount "88"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Nbd7 7. Qd2 e6 8. 0-0-0 b5 9. f3 Qc7 10. g4 b4 11. Nce2 Ne5 12. Qxb4 d5 13. Qc3 Qxc3 14. Nxc3 dxe4 15. Nxe4 Nxe4 16. fxe4 Nxg4 17. Re1 Bc5 18. Nf5 Nxe3 19. Nxe3 Bb7 20. Nc4 Ke7 21. Na5 Bb4 22. Nxb7 Bxe1 23. Bg2 Bf2 24. c4 Rac8 25. b3 e5 26. Rd1 Bd4 27. c5 Rc7 28. Nd6 Rxc5+ 29. Nc4 Rb8 30. Rd3 Rb6 31. Rh3 h6 32. Rg3 g6 33. Kd2 Rxc4 34. bxc4 Rb2+ 35. Kd1 Rxa2 36. h4 a5 37. Bh3 Ra4 38. Rb3 Rxc4 39. Rb7+ Kf6 40. Rd7 Bf2 41. Rd6+ Kg7 42. Ra6 Bxh4 43. Rxa5 Rxe4 44. Ra7 Kf6 0-1

[Event "NED-ch U21"]
[Site "Haarlem"]
[Date "2011.05.02"]
[Round "3"]
[White "Colijn, Erik Jan"]
[Black "Von Meijenfeldt, Bart"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1982"]
[BlackElo "2154"]
[PlyCount "44"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. a3 g6 3. b4 Bg7 4. Nc3 b6 5. Bb2 Nc6 6. b5 Nd4 7. Nf3 Bb7 8. Rb1 Nf6 9. d3 0-0 10. Nxd4 cxd4 11. Ne2 e5 12. Ng3 d5 13. f3 Qe7 14. Qd2 Rfc8 15. Kd1 Qd7 16. Bc1 Rc5 17. a4 a6 18. Ba3 Rcc8 19. Bc1 axb5 20. axb5 Rc5 21. Be2 Ra2 22. Qb4 Rc3 0-1

[Event "NED-ch U21"]
[Site "Haarlem"]
[Date "2011.05.01"]
[Round "2"]
[White "Van der Lende, Ilias"]
[Black "Colijn, Erik Jan"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2106"]
[BlackElo "1982"]
[PlyCount "69"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. cxd4 e6 7. Bc4 Nb6 8. Bb5 a6 9. Bxc6 dxc6 10. Qc2 Be7 11. 0-0 Bd7 12. Nbd2 Nd5 13. Ne4 b6 14. Bg5 f5 15. exf6 gxf6 16. Bh6 Rg8 17. Ng3 Rg6 18. Bd2 Qc7 19. Qd3 Bd6 20. Rfe1 Bf4 21. Nh4 Bxd2 22. Qxd2 Rg8 23. Qd3 Nf4 24. Qa3 Kd8 25. Ne4 Nd5 26. Nd6 b5 27. Qc5 Qb8 28. Rac1 Ne7 29. Nf7+ Ke8 30. Nh6 Rg5 31. N4f5 Qd8 32. h4 Rg6 33. h5 Nxf5 34. hxg6 Nxh6 35. Qh5 1-0

[Event "NED-ch U21"]
[Site "Haarlem"]
[Date "2011.04.30"]
[Round "1"]
[White "Mostertman, Milan"]
[Black "Colijn, Erik Jan"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2206"]
[BlackElo "1982"]
[PlyCount "65"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 a6 7. N5a3 Nf6 8. Nc3 Be7 9. Bd3 0-0 10. Nd5 Nxd5 11. exd5 Nd4 12. Be3 Nf5 13. Bxf5 Bxf5 14. Qd2 Bg6 15. 0-0 f5 16. f4 Rc8 17. Rac1 Bf6 18. b3 Re8 19. Nc2 h6 20. Kh1 Bh7 21. a4 g5 22. fxe5 dxe5 23. d6 Re6 24. c5 f4 25. Bg1 Kg7 26. Qd5 Qd7 27. Na3 b5 28. axb5 axb5 29. Nxb5 Be4 30. Qxe4 Qxb5 31. Qd5 Qd7 32. Rfd1 Rd8 33. c6 1-0

[Event "Vlissingen HZ op 14th"]
[Site "Vlissingen"]
[Date "2010.08.14"]
[Round "9"]
[White "Verlinde, Tieme"]
[Black "Colijn, Erik Jan"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2235"]
[BlackElo "1994"]
[PlyCount "65"]
[EventDate "2010.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 e6 6. 0-0 Nge7 7. Nbd2 d5 8. Re1 0-0 9. c3 b6 10. e5 Ba6 11. Nf1 Rc8 12. h4 b5 13. a3 d4 14. N1h2 Qc7 15. cxd4 cxd4 16. Bg5 Nd5 17. Rc1 Qb8 18. Rxc6 Rxc6 19. Nxd4 Rb6 20. Bxd5 exd5 21. Ng4 f5 22. exf6 Bxf6 23. Bxf6 Rbxf6 24. Nxf6+ Rxf6 25. b4 Qb6 26. Qg4 Qc7 27. Qg5 Qf7 28. h5 Bc8 29. h6 Bd7 30. Re2 a6 31. Kg2 Kf8 32. f3 Bc8 33. Qe5 1-0

[Event "Vlissingen HZ op 14th"]
[Site "Vlissingen"]
[Date "2010.08.12"]
[Round "7"]
[White "Nabuurs, Joep"]
[Black "Colijn, Erik Jan"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2222"]
[BlackElo "1994"]
[PlyCount "133"]
[EventDate "2010.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qxf6 Nxf6 9. Nc3 Nb4 10. Bd3 d5 11. exd5 Nxd3+ 12. cxd3 Bf5 13. Bg5 Bxd3 14. Bxf6 gxf6 15. Rd1 Bf5 16. 0-0 0-0-0 17. d6 Rhg8 18. Nd5 Bh3 19. Ne7+ Kd7 20. Nxg8 Rxg8 21. Rd3 Bxg2 22. Rc1 Bc6+ 23. Rg3 Rxg3+ 24. hxg3 Kxd6 25. Kf1 f5 26. f4 f6 27. Kf2 Ke6 28. Ke3 Kf7 29. Rc5 Ke6 30. Rc2 Kf7 31. Rh2 Kg6 32. Kd3 Bf3 33. Kc4 Bc6 34. Kc5 Bf3 35. b4 Bc6 36. a3 e4 37. Kd4 Bb5 38. Ke3 Ba4 39. Rh1 Bb5 40. Rc1 Bc6 41. Rc5 Bb5 42. Rc7 Bc6 43. Re7 h6 44. Kd4 h5 45. Rc7 Kh6 46. Rc8 Kg7 47. Rd8 Kh7 48. Ke3 Kg7 49. Rd1 Kf7 50. Ra1 Ba4 51. Rh1 Kg6 52. Rc1 Bc6 53. Rc5 Bb5 54. Kd4 Bd7 55. Rc2 Bb5 56. Ra2 Ba4 57. Ra1 Kh6 58. Kc5 Kg6 59. Kb6 Bc6 60. a4 h4 61. gxh4 Kh5 62. b5 axb5 63. axb5 Bd5 64. Kc5 Bb3 65. Kd4 Kxh4 66. Ra7 Kg3 67. Ra3 1-0

[Event "Vlissingen HZ op 14th"]
[Site "Vlissingen"]
[Date "2010.08.10"]
[Round "5"]
[White "Kuling, Lody"]
[Black "Colijn, Erik Jan"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2208"]
[BlackElo "1994"]
[PlyCount "45"]
[EventDate "2010.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 cxd4 5. c3 Nf6 6. Qe2 a6 7. Ba4 dxc3 8. dxc3 b5 9. Bc2 Bb7 10. 0-0 g6 11. a4 bxa4 12. e5 Nd5 13. Rxa4 Bg7 14. Rh4 Qc7 15. Re1 f5 16. exf6 Bxf6 17. Rg4 Nb6 18. Nd2 0-0-0 19. Nc4 h5 20. Nxb6+ Qxb6 21. Rb4 Qa5 22. Be3 Qe5 23. Qc4+ 1-0

[Event "Vlissingen HZ op 14th"]
[Site "Vlissingen"]
[Date "2010.08.09"]
[Round "4"]
[White "Colijn, Erik Jan"]
[Black "Balje, Jan"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "1994"]
[BlackElo "2204"]
[PlyCount "28"]
[EventDate "2010.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. a3 g6 3. b4 Bg7 4. Nc3 b6 5. Bb2 d6 6. f4 Nf6 7. e5 Bg4 8. Be2 Bxe2 9. Qxe2 dxe5 10. fxe5 Nfd7 11. Nf3 Nf8 12. 0-0 Ne6 13. Qe4 Nd7 14. Nd5 0-0 1/2-1/2

[Event "Vlissingen HZ op 14th"]
[Site "Vlissingen"]
[Date "2010.08.08"]
[Round "2"]
[White "Colijn, Erik Jan"]
[Black "Fuchs, Judith"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1994"]
[BlackElo "2232"]
[PlyCount "56"]
[EventDate "2010.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bd6 7. Bd3 0-0 8. Be3 Re8 9. Qd2 Nd7 10. 0-0-0 Nf8 11. Nh4 b5 12. Nf5 Bc7 13. h4 Qd5 14. g4 Qxa2 15. c3 Qd5 16. Nxg7 Kxg7 17. Bh6+ Kg8 18. Bxf8 Kxf8 19. Qh6+ Ke7 20. Rhe1+ Be6 21. Be4 Qd6 22. Bxc6 Qf4+ 23. Qxf4 Bxf4+ 24. Kb1 Kd6 25. d5 Bxg4 26. Rxe8 Rxe8 27. Rd4 Bf5+ 28. Ka2 Re4 0-1

[Event "NBSB-chB"]
[Site "Roosendaal"]
[Date "2009.08.30"]
[Round "6"]
[White "Colijn, Erik Jan"]
[Black "Cheng, Ngo Hin"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1850"]
[BlackElo "1899"]
[PlyCount "39"]
[EventDate "2009.08.28"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 d6 6. Bg5 h6 7. Bh4 Bg4 8. h3 Bh5 9. g4 Bg6 10. Nd5 h5 11. Nh2 Nb4 12. Nxf6+ gxf6 13. c3 Nc6 14. gxh5 Bxh5 15. Ng4 Bxg4 16. hxg4 Qe7 17. Qf3 Rh6 18. 0-0-0 0-0-0 19. g5 fxg5 20. Qg4+ 1-0

[Event "NBSB-chB"]
[Site "Roosendaal"]
[Date "2009.08.30"]
[Round "5"]
[White "Leentjens, Gilbert"]
[Black "Colijn, Erik Jan"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1832"]
[BlackElo "1850"]
[PlyCount "53"]
[EventDate "2009.08.28"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Nf6 6. Nge2 Be7 7. 0-0 0-0 8. d4 c4 9. Nf4 Be6 10. Re1 Bb4 11. Nxe6 fxe6 12. Rxe6 Bxc3 13. bxc3 Qa5 14. Bd2 Nc6 15. h3 Rae8 16. Re3 Qa4 17. Qb1 b6 18. Qb2 Rxe3 19. Bxe3 Ne7 20. Bf4 Qd7 21. Re1 Ng6 22. Be3 Qf5 23. Qc1 h5 24. Qd1 Re8 25. Bd2 Rf8 26. Be3 Re8 27. Bd2 1/2-1/2

[Event "NBSB-chB"]
[Site "Roosendaal"]
[Date "2009.08.29"]
[Round "2"]
[White "Colijn, Erik Jan"]
[Black "Dekker, Marvin"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1850"]
[BlackElo "1966"]
[PlyCount "57"]
[EventDate "2009.08.28"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 g6 6. d4 dxe5 7. fxe5 Bg7 8. Bd3 c5 9. Nf3 0-0 10. 0-0 Nc6 11. Be3 Bg4 12. Be4 Qa5 13. Qe1 Bxf3 14. Rxf3 Qa4 15. Qh4 cxd4 16. Rh3 h5 17. Bxc6 Qxc6 18. cxd4 Qxc2 19. Qxe7 Qb2 20. Rf1 Qxa2 21. Qxb7 Rab8 22. Qe4 Rb2 23. d5 Rfb8 24. e6 f5 25. Qf3 Bf6 26. Rg3 Kh7 27. Rxg6 Bg7 28. Qxh5+ Kg8 29. Rxg7+ 1-0

[Event "NBSB-chB"]
[Site "Roosendaal"]
[Date "2009.08.29"]
[Round "4"]
[White "Colijn, Erik Jan"]
[Black "Obels, Pepijn"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "1850"]
[BlackElo "1863"]
[PlyCount "31"]
[EventDate "2009.08.28"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 e6 6. Nc3 Nc6 7. Nf3 d6 8. Nxd5 exd5 9. Be2 dxe5 10. dxe5 Be7 11. 0-0 0-0 12. Bf4 f6 13. Bg3 fxe5 14. Nxe5 Bf6 15. f4 Be6 16. Bg4 1/2-1/2

[Event "NBSB-chB"]
[Site "Roosendaal"]
[Date "2009.08.29"]
[Round "3"]
[White "Van de Braak, Joey"]
[Black "Colijn, Erik Jan"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1744"]
[BlackElo "1850"]
[PlyCount "70"]
[EventDate "2009.08.28"]
[EventType "swiss (rapid)"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 b5 8. Nd5 Nce7 9. Nxe7 Bxe7 10. c4 bxc4 11. Bxc4 Nf6 12. 0-0 0-0 13. Bg5 Be6 14. Bxf6 Bxf6 15. Bd5 Rc8 16. Qd3 Bxd5 17. Qxd5 Rc5 18. Qd3 Qb6 19. Rab1 Qc6 20. Rfd1 Rd8 21. Qf3 d5 22. exd5 Rcxd5 23. Rxd5 Qxd5 24. Qxd5 Rxd5 25. Rc1 g6 26. Kf1 Ra5 27. Rc3 e4 28. Rb3 Be7 29. Ke2 f5 30. f3 exf3+ 31. Kxf3 Kf7 32. Rb7 h6 33. Ke3 Kf6 34. Kd3 Bxa3 35. bxa3 Rxa3+ 0-1

[Event "Vlissingen HZ op 12th"]
[Site "Vlissingen"]
[Date "2008.08.04"]
[Round "4"]
[White "Go, Benjamin"]
[Black "Colijn, Erik Jan"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2184"]
[BlackElo "2024"]
[PlyCount "57"]
[EventDate "2008.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. Nf3 Nc6 6. e6 fxe6 7. Be3 g6 8. h4 Bg7 9. h5 e5 10. d5 e4 11. Ng5 Ne5 12. Nxe4 Bf5 13. Nbc3 Qd7 14. b3 0-0-0 15. Be2 gxh5 16. Rc1 Kb8 17. Ng3 Bg4 18. f3 Bf5 19. Nxh5 Rhg8 20. g4 Nxg4 21. fxg4 Bxg4 22. Bxg4 Bxc3+ 23. Rxc3 Rxg4 24. Qf3 Rdg8 25. Bxb6 axb6 26. Re3 b5 27. Qf7 Ka7 28. Rf1 Rg2 29. Nf6 1-0

[Event "Vlissingen HZ op 12th"]
[Site "Vlissingen"]
[Date "2008.08.03"]
[Round "2"]
[White "Colijn, Erik Jan"]
[Black "Van Weersel, Arlette"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2024"]
[BlackElo "2233"]
[PlyCount "58"]
[EventDate "2008.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nc3 d6 6. h3 0-0 7. Be3 Na5 8. Bb3 c6 9. 0-0 b5 10. Ne2 Qc7 11. Ng3 d5 12. Qe1 Re8 13. Bd2 Nxb3 14. axb3 Bf8 15. Ba5 Qb7 16. Nh4 g6 17. f4 exf4 18. Rxf4 Re6 19. Qf2 Ne8 20. Rf1 f6 21. Nf3 Bd6 22. e5 Bb8 23. Ng5 Rxe5 24. Rxf6 Nxf6 25. Qxf6 Qe7 26. Qf7+ Qxf7 27. Nxf7 Re7 28. Nh6+ Kg7 29. Bd8 Rb7 0-1

[Event "NED-ch U17 playoff"]
[Site "Venlo"]
[Date "2008.05.04"]
[Round "1"]
[White "Colijn, Erik Jan"]
[Black "Kamali, Mehran"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1846"]
[BlackElo "2097"]
[PlyCount "90"]
[EventDate "2008.05.04"]
[EventType "match (rapid)"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bc4 Qc7 9. Bb3 0-0 10. h3 Nbd7 11. Be3 Nc5 12. Nd5 Nxd5 13. Bxd5 Be6 14. 0-0 Rac8 15. c3 Rfd8 16. Qe2 Bxd5 17. exd5 f5 18. Rfc1 Nb3 19. Qc2 Nxa1 20. Rxa1 f4 21. Bd2 Rf8 22. Rd1 Qc4 23. Be1 Bf6 24. b3 Qc5 25. Qe4 b5 26. axb5 axb5 27. h4 Ra8 28. Kh2 Rfc8 29. Qf5 Qc7 30. Rd3 Qe7 31. Nd2 g6 32. Qe4 Bxh4 33. Rh3 Bf6 34. Qb1 Rc7 35. Ne4 Rca7 36. Bd2 Ra1 37. Qd3 Rd1 38. f3 Bh4 39. g3 fxg3+ 40. Nxg3 Ra2 41. Ne4 Be1 42. Qxb5 Bxd2 43. Nf6+ Qxf6 44. Qe8+ Qf8 45. Qe6+ Qf7 0-1

[Event "NED-ch U17 playoff"]
[Site "Venlo"]
[Date "2008.05.04"]
[Round "2"]
[White "Kamali, Mehran"]
[Black "Colijn, Erik Jan"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2097"]
[BlackElo "1846"]
[PlyCount "60"]
[EventDate "2008.05.04"]
[EventType "match (rapid)"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Nc3 d6 6. e5 d5 7. d4 cxd4 8. Nxd4 Bd7 9. Bxc6 bxc6 10. Re1 e6 11. Nb3 Ne7 12. Nc5 0-0 13. Bg5 Rb8 14. Qd2 Bc8 15. Rad1 Qc7 16. Qf4 Rxb2 17. Rd3 a5 18. a3 Qa7 19. Nb3 Rxc2 20. Rh3 h5 21. Bf6 Nf5 22. Rf1 Ba6 23. Rc1 Rxc1+ 24. Nxc1 Qd4 25. Qxd4 Nxd4 26. Bxg7 Kxg7 27. Na4 Rb8 28. Nc3 Rb2 29. f4 Rc2 30. N1a2 Bc4 0-1

[Event "NED-ch U17 playoff"]
[Site "Venlo"]
[Date "2008.05.04"]
[Round "3"]
[White "Kamali, Mehran"]
[Black "Colijn, Erik Jan"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2097"]
[BlackElo "1846"]
[PlyCount "67"]
[EventDate "2008.05.04"]
[EventType "match (rapid)"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Nf6 4. g3 Bg7 5. Bg2 Nbd7 6. Nge2 c6 7. a4 0-0 8. 0-0 e5 9. h3 Re8 10. Be3 Qc7 11. Qd2 b6 12. g4 Bb7 13. f4 exd4 14. Bxd4 a6 15. Ng3 c5 16. Bf2 Re7 17. Rae1 Bc6 18. b3 b5 19. axb5 axb5 20. Nd5 Bxd5 21. exd5 Rae8 22. g5 Nh5 23. Nxh5 gxh5 24. f5 f6 25. Bf3 Qd8 26. Bxh5 Rxe1 27. Rxe1 Re7 28. Re6 Qf8 29. Bh4 fxg5 30. Qxg5 Rxe6 31. dxe6 Nf6 32. Bf7+ Kh8 33. Qxf6 h6 34. e7 1-0

[Event "NED-ch U17"]
[Site "Venlo"]
[Date "2008.05.03"]
[Round "9"]
[White "Colijn, Erik Jan"]
[Black "Heller, Milan"]
[Result "1/2-1/2"]
[ECO "A17"]
[WhiteElo "1846"]
[BlackElo "1779"]
[PlyCount "56"]
[EventDate "2008.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. Bg2 Be7 5. e3 0-0 6. cxd5 exd5 7. Nge2 c6 8. 0-0 Bf5 9. d3 Na6 10. e4 dxe4 11. dxe4 Be6 12. Be3 Ng4 13. Bc1 Bc5 14. Qxd8 Raxd8 15. Na4 Bc4 16. Bf3 Ne5 17. Kg2 Nxf3 18. Kxf3 Rd3+ 19. Kg2 Rd7 20. Re1 Bb4 21. Nac3 Nc5 22. Be3 Rfd8 23. a3 Bxc3 24. Nxc3 Nd3 25. Reb1 b6 26. b3 Be6 27. f4 f6 28. b4 Bc4 1/2-1/2

[Event "NED-ch U17"]
[Site "Venlo"]
[Date "2008.05.02"]
[Round "8"]
[White "Rauw, Gert Jan"]
[Black "Colijn, Erik Jan"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1902"]
[BlackElo "1846"]
[PlyCount "78"]
[EventDate "2008.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 b5 7. Bf3 e5 8. Nb3 Be7 9. 0-0 0-0 10. Be3 Bb7 11. g3 b4 12. Nd5 Nxd5 13. exd5 f5 14. Bg2 Nd7 15. f4 e4 16. Nd4 Nc5 17. Nc6 Bxc6 18. dxc6 d5 19. Qd4 Ne6 20. Qe5 Qd6 21. Bh3 d4 22. Bd2 Qxe5 23. fxe5 g6 24. Bh6 Rf7 25. Rae1 Bg5 26. Bxg5 Nxg5 27. Bg2 Rc8 28. h4 Ne6 29. Bh3 Rxc6 30. g4 Ng7 31. gxf5 gxf5 32. Re2 e3 33. Rf4 Ne6 34. Rxf5 Nf4 35. Rxf4 Rxf4 36. Bg2 Rg6 37. c3 Rf2 38. Rxf2 exf2+ 39. Kxf2 Rxg2+ 0-1

[Event "NED-ch U17"]
[Site "Venlo"]
[Date "2008.05.01"]
[Round "7"]
[White "Van Kampen, Robin"]
[Black "Colijn, Erik Jan"]
[Result "1-0"]
[ECO "B57"]
[WhiteElo "2475"]
[BlackElo "1846"]
[PlyCount "55"]
[EventDate "2008.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 e5 6. Nf3 Nf6 7. Bc4 Bg4 8. h3 Bh5 9. 0-0 Be7 10. Bg5 0-0 11. g4 Bg6 12. Bxf6 Bxf6 13. Qe2 Rc8 14. Nd5 h5 15. c3 Bg5 16. Kg2 Ne7 17. Rad1 Nxd5 18. Bxd5 hxg4 19. hxg4 Bf4 20. Rh1 Bh7 21. Rh3 g5 22. Nd2 Bxd2 23. Qxd2 Rc7 24. Qe3 b6 25. Rdh1 Bg6 26. Rh8+ Kg7 27. Rxf8 Qxf8 28. Qxg5 1-0

[Event "NED-ch U17"]
[Site "Venlo"]
[Date "2008.04.30"]
[Round "6"]
[White "Colijn, Erik Jan"]
[Black "Kamali, Mehran"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1846"]
[BlackElo "2097"]
[PlyCount "82"]
[EventDate "2008.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. Be3 cxd4 8. cxd4 Nc6 9. Nc3 Bb4 10. 0-0 Qa5 11. Qb3 0-0 12. a3 Bxc3 13. bxc3 b6 14. h3 Bh5 15. g4 Bg6 16. Bb5 Be4 17. Nd2 Bc2 18. Qb2 Ba4 19. c4 Bxb5 20. cxb5 Ne7 21. a4 Nfd5 22. Rfc1 Qb4 23. Qxb4 Nxb4 24. Rc4 Nbd5 25. Rac1 Rfc8 26. Nf3 f6 27. Kf1 Rxc4 28. Rxc4 Rc8 29. Nd2 Nc3 30. Ke1 Rxc4 31. Nxc4 Nxa4 32. Bf4 Nc3 33. Na3 Kf7 34. Kd2 Ncd5 35. Bb8 Nc8 36. Nc4 Ke7 37. Ne3 Kd7 38. Nxd5 exd5 39. Ke3 Nd6 40. Bxd6 Kxd6 41. Kf4 a5 0-1

[Event "NED-ch U17"]
[Site "Venlo"]
[Date "2008.04.28"]
[Round "4"]
[White "Colijn, Erik Jan"]
[Black "Blom, Vincent"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1846"]
[BlackElo "1918"]
[PlyCount "33"]
[EventDate "2008.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 b6 3. e4 e5 4. Nf3 d6 5. d4 exd4 6. Nxd4 Bb7 7. Bd3 Nbd7 8. 0-0 Nc5 9. Bc2 Be7 10. f3 0-0 11. Qe1 Re8 12. Nf5 Bf8 13. Bg5 Ne6 14. Bh4 Nf4 15. Qg3 Ng6 16. Nd5 Nxh4 17. Nh6+ 1-0

[Event "NED-ch U17"]
[Site "Venlo"]
[Date "2008.04.28"]
[Round "5"]
[White "Van Vliet, Harry"]
[Black "Colijn, Erik Jan"]
[Result "0-1"]
[ECO "E75"]
[WhiteElo "2076"]
[BlackElo "1846"]
[PlyCount "44"]
[EventDate "2008.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 c5 7. d5 e6 8. Qd2 Re8 9. h4 Qb6 10. Kf1 Na6 11. h5 exd5 12. hxg6 fxg6 13. exd5 Bd7 14. Rc1 Rf8 15. Bd3 Ng4 16. Nf3 Bd4 17. Ne4 Bf5 18. Bh4 Nb4 19. Nxd4 cxd4 20. b3 Rae8 21. Re1 Nxd3 22. Qxd3 Ne3+ 0-1

[Event "NED-ch U17"]
[Site "Venlo"]
[Date "2008.04.27"]
[Round "3"]
[White "Tan, Jonathan1"]
[Black "Colijn, Erik Jan"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "2085"]
[BlackElo "1846"]
[PlyCount "60"]
[EventDate "2008.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. 0-0 Bc5 10. f3 Ng5 11. Be3 Bb6 12. f4 Ne4 13. Nd2 Nxd2 14. Qxd2 c5 15. Nf3 d4 16. Bf2 Bc6 17. Qd3 Qd5 18. f5 g5 19. a4 c4 20. Qd2 0-0-0 21. a5 Bc5 22. Rfe1 h5 23. Rad1 h4 24. Bxd4 g4 25. Bxc5 Qxc5+ 26. Nd4 h3 27. Qf2 g3 28. hxg3 hxg2 29. Nf3 Qxf2+ 30. Kxf2 Rxd1 0-1

[Event "NED-ch U17"]
[Site "Venlo"]
[Date "2008.04.26"]
[Round "2"]
[White "Colijn, Erik Jan"]
[Black "Meurs, Tom WA"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1846"]
[BlackElo "2116"]
[PlyCount "76"]
[EventDate "2008.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Nxc6 bxc6 9. Bd3 Bc5 10. Bxe4 Qh4 11. 0-0 Qxe4 12. Nc3 Qg6 13. Na4 Bb6 14. Nxb6 axb6 15. f4 0-0 16. c3 f6 17. exf6 Rxf6 18. Be3 Qf7 19. Qd2 c5 20. b4 cxb4 21. cxb4 Bf5 22. Bd4 Rg6 23. a4 Be4 24. Rf2 Rc6 25. Qb2 Rc4 26. a5 bxa5 27. Rxa5 Rb8 28. Bc5 d4 29. h3 d3 30. Qd2 Rd8 31. Qd1 h6 32. Ra1 Qd5 33. Be3 Rxb4 34. Kh2 Kh7 35. Qg4 Rdb8 36. f5 Qe5+ 37. Rf4 Bd5 38. Qg6+ Kh8 1-0

[Event "NED-ch U17"]
[Site "Venlo"]
[Date "2008.04.25"]
[Round "1"]
[White "Klein, David"]
[Black "Colijn, Erik Jan"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2044"]
[BlackElo "1846"]
[PlyCount "147"]
[EventDate "2008.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 b5 8. Nd5 Nce7 9. c4 Nxd5 10. cxd5 f5 11. exf5 Bxf5 12. Bd3 Bxd3 13. Qxd3 Nf6 14. 0-0 Be7 15. Nc2 0-0 16. Nb4 Nd7 17. Nc6 Qe8 18. Be3 Bf6 19. Qe4 Nb8 20. Rfc1 Nxc6 21. Rxc6 Qd7 22. Qb4 Be7 23. Qa5 Bd8 24. Qa3 Rf6 25. Rxa6 Rc8 26. Ra8 h6 27. Rxc8 Qxc8 28. Rc1 Qf5 29. Qa8 Rf8 30. Qc8 Qf7 31. Qe6 Be7 32. Rc7 Re8 33. Qxf7+ Kxf7 34. Bd2 Rb8 35. Bb4 Rb6 36. Kf1 Ke8 37. Ke2 Kd8 38. Ra7 Rb8 39. Kd3 Rc8 40. Ba5+ Ke8 41. Bc3 Rc5 42. Ke4 Rc4+ 43. Ke3 Rc5 44. Ra5 Bg5+ 45. Ke2 Bd8 46. Ra8 Ke7 47. Ra7+ Kf6 48. Rd7 Be7 49. Ra7 Rxd5 50. b4 Ke6 51. f3 Bf6 52. Ra3 Kf5 53. g4+ Kg5 54. Rb3 Kh4 55. Rb1 Bg5 56. Ra1 Kh3 57. a4 bxa4 58. Rxa4 Rb5 59. Ra5 Rb6 60. Rd5 Bc1 61. b5 Ba3 62. Kd3 Kxh2 63. Ba5 Rb8 64. Kc4 Bc5 65. Rd3 Kg3 66. Rb3 Bb6 67. Be1+ Bf2 68. Bb4 Rd8 69. Kd5 e4 70. fxe4+ Kxg4 71. Bxd6 h5 72. b6 Bxb6 73. Rxb6 h4 74. e5 1-0

[Event "Vlissingen HZ op 11th"]
[Site "Vlissingen"]
[Date "2007.08.06"]
[Round "4"]
[White "Friesen, Boris"]
[Black "Colijn, Erik Jan"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2139"]
[PlyCount "49"]
[EventDate "2007.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 119 Extra"]
[Source "ChessBase"]
[SourceDate "2007.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.09.04"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 e6 5. Bc4 Nb6 6. Bb3 d5 7. exd6 Bxd6 8. 0-0 Nc6 9. d4 cxd4 10. cxd4 0-0 11. Nc3 Kh8 12. Re1 Bd7 13. Ne4 Be7 14. Nc5 Na5 15. Bc2 Bxc5 16. dxc5 Nd5 17. Qd3 f5 18. a3 b6 19. b4 Nb7 20. cxb6 Qxb6 21. Bb2 Rac8 22. Bb3 Bc6 23. Ng5 Nf4 24. Qc3 Rf6 25. Qg3 1-0

[Event "Vlissingen HZ op 11th"]
[Site "Vlissingen"]
[Date "2007.08.04"]
[Round "1"]
[White "Colijn, Erik Jan"]
[Black "Shrentzel, Mordechai"]
[Result "0-1"]
[ECO "B03"]
[BlackElo "2322"]
[PlyCount "32"]
[EventDate "2007.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 119 Extra"]
[Source "ChessBase"]
[SourceDate "2007.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.09.04"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Bd3 g6 7. Be3 Bg7 8. Nf3 0-0 9. Qd2 Bg4 10. Bh6 Bxf3 11. gxf3 Nc6 12. Bxg7 Kxg7 13. Be2 e5 14. d5 Nd4 15. h4 Nxc4 16. Qb4 Nc2+ 0-1

[Event "NED-ch U17"]
[Site "Venlo"]
[Date "2007.05.05"]
[Round "9"]
[White "Modderkolk, Pieter"]
[Black "Colijn, Erik Jan"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1568"]
[BlackElo "1755"]
[PlyCount "56"]
[EventDate "2007.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. e3 0-0 6. Be2 c6 7. 0-0 Re8 8. Qc2 e5 9. dxe5 dxe5 10. Rd1 Qc7 11. b3 Na6 12. a3 Nc5 13. b4 Bf5 14. Qa2 Ncd7 15. Bd3 e4 16. Bc2 exf3 17. Bxf5 gxf5 18. gxf3 Ne5 19. f4 Ng6 20. Qc2 Re7 21. Bb2 Ne4 22. Rd3 Nh4 23. b5 Re6 24. Kh1 Qe7 25. Rg1 Rg6 26. Rdd1 Nxc3 27. Bxc3 Bxc3 28. Qxc3 Qe4+ 0-1

[Event "NED-ch U17"]
[Site "Venlo"]
[Date "2007.05.04"]
[Round "8"]
[White "Colijn, Erik Jan"]
[Black "Schut, Donna"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1755"]
[BlackElo "2035"]
[PlyCount "88"]
[EventDate "2007.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. c3 Bd6 6. Be3 Nge7 7. Qc2 Be6 8. Nd2 Qd7 9. Ngf3 Bf5 10. Bxf5 Nxf5 11. 0-0-0 0-0-0 12. Rde1 f6 13. Nb3 Rhe8 14. Kb1 g6 15. Bd2 Rxe1+ 16. Rxe1 Re8 17. Qd1 Re6 18. Rxe6 Qxe6 19. Qe1 Qe4+ 20. Kc1 Kd7 21. h3 Qd3 22. Nc5+ Bxc5 23. dxc5 Qc4 24. Kb1 Qxc5 25. Be3 Nxe3 26. Qxe3 Qxe3 27. fxe3 Ke6 28. b3 Kf5 29. Kc2 Ke4 30. Kd2 Ne7 31. Ke2 Nf5 32. Nd2+ Ke5 33. Nf3+ Ke4 34. Nd2+ Ke5 35. Nf3+ Ke6 36. Kd3 c5 37. c4 dxc4+ 38. bxc4 Ne7 39. Nd2 Nc6 40. a3 Ne5+ 41. Kc3 Kf5 42. g3 h5 43. Kb3 Nd3 44. Nf3 Ke4 0-1

[Event "NED-ch U17"]
[Site "Venlo"]
[Date "2007.05.04"]
[Round "7"]
[White "Ten Vergert, Paul"]
[Black "Colijn, Erik Jan"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1870"]
[BlackElo "1755"]
[PlyCount "56"]
[EventDate "2007.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. c4 Be7 10. Bd3 0-0 11. 0-0 a6 12. Nc3 f5 13. f3 Nd7 14. Kh1 Bg5 15. b4 b6 16. Qc2 Bxc1 17. Raxc1 Qg5 18. Na4 Bb7 19. Rfd1 Rac8 20. Nc3 Rf6 21. Rg1 Qh5 22. g4 fxg4 23. fxg4 Qh4 24. Rg2 g6 25. Qd2 Rcf8 26. Ne4 Rf4 27. Qe1 Qe7 28. g5 R8f7 1/2-1/2

[Event "NED-ch U17"]
[Site "Venlo"]
[Date "2007.05.03"]
[Round "6"]
[White "Colijn, Erik Jan"]
[Black "Smith, Thijmen"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1755"]
[BlackElo "1681"]
[PlyCount "40"]
[EventDate "2007.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. a3 Nc6 3. b4 cxb4 4. axb4 Nxb4 5. Ra4 Nc6 6. Nf3 d6 7. Bb2 Nf6 8. Bb5 Bd7 9. 0-0 a6 10. Be2 e5 11. c3 b5 12. Ra1 Nxe4 13. d4 Be7 14. Re1 Nf6 15. Bd3 exd4 16. Nxd4 Nxd4 17. cxd4 0-0 18. Qf3 d5 19. Nd2 Bb4 20. Re2 Bg4 0-1

[Event "NED-ch U17"]
[Site "Venlo"]
[Date "2007.05.02"]
[Round "4"]
[White "Colijn, Erik Jan"]
[Black "Meurs, Tom WA"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1755"]
[BlackElo "1993"]
[PlyCount "46"]
[EventDate "2007.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. Bg5 h6 7. Bh4 a6 8. Qd2 g5 9. Bg3 Be6 10. Bb3 Qd7 11. 0-0-0 0-0-0 12. Nd5 Bxd5 13. exd5 Ne7 14. c4 Nf5 15. Qc2 g4 16. Ba4 b5 17. cxb5 axb5 18. d4 Nxd4 19. Nxd4 Bxd4 20. Bh4 Nxd5 21. Bxd8 bxa4 22. Qe4 Qc6+ 23. Kb1 Nc3+ 0-1

[Event "NED-ch U17"]
[Site "Venlo"]
[Date "2007.05.02"]
[Round "5"]
[White "Hoogland, Bauke"]
[Black "Colijn, Erik Jan"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1647"]
[BlackElo "1755"]
[PlyCount "96"]
[EventDate "2007.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. a3 bxa3 6. d4 Bd7 7. Bd3 Ne7 8. Bxa3 Ng6 9. Bxf8 Nxf8 10. Na3 Ng6 11. Qd2 0-0 12. c3 a6 13. h4 f5 14. h5 Ne7 15. h6 g6 16. Nh2 Bc6 17. g4 Nd7 18. Nf3 Nb6 19. Rg1 Rc8 20. Ng5 Bd7 21. Rb1 f4 22. Nf3 Qc7 23. Rc1 Nc4 24. Nxc4 dxc4 25. Bc2 Rcd8 26. g5 Be8 27. Nh2 Nf5 28. Ng4 Nh4 29. Qd1 f3 30. Nf6+ Kh8 31. Kf1 Bc6 32. Rg4 Nf5 33. Be4 b5 34. Qxf3 Bxe4 35. Qxe4 Ne7 36. Ke2 Nd5 37. Rgg1 a5 38. Rc2 b4 39. cxb4 axb4 40. Nxd5 Rxd5 41. Rgc1 c3 42. Qd3 Qb6 43. Rd1 Rxe5+ 44. Kf1 Ref5 45. Qg3 Qc6 46. d5 Rxd5 47. Rd3 Qb5 48. Ke2 Rfd8 0-1

[Event "NED-ch U17"]
[Site "Venlo"]
[Date "2007.05.01"]
[Round "3"]
[White "Blom, Vincent"]
[Black "Colijn, Erik Jan"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1936"]
[BlackElo "1755"]
[PlyCount "92"]
[EventDate "2007.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ Qxf6 6. Be3 Bd6 7. Qf3 Nd7 8. Be2 Rb8 9. Qxf6 Nxf6 10. Bf3 0-0 11. Ne2 e5 12. dxe5 Bxe5 13. Bxa7 Ra8 14. Bd4 Bxd4 15. Nxd4 Re8+ 16. Ne2 Bg4 17. Bxg4 Nxg4 18. h3 Ra6 19. hxg4 Rae6 20. Kf1 Rxe2 21. Rc1 Rd2 22. Rh3 Ree2 23. Rf3 g6 24. Re1 Rxe1+ 25. Kxe1 Rxc2 26. Rb3 b6 27. Kf1 Kg7 28. Kg1 Kf6 29. Rb5 Ke6 30. f3 Kd6 31. Kh2 Kc6 32. Rb3 b5 33. Kg3 Kc5 34. f4 f6 35. Kf3 Kc4 36. g3 b4 37. g5 fxg5 38. fxg5 c5 39. Ke4 Rf2 40. g4 Re2+ 41. Kf4 Re7 42. Rh3 Kd4 43. Rh2 Rf7+ 44. Kg3 c4 45. Rd2+ Ke3 46. Rd6 Rc7 0-1

[Event "NED-ch U17"]
[Site "Venlo"]
[Date "2007.05.01"]
[Round "2"]
[White "Colijn, Erik Jan"]
[Black "Beumer, Sebas"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1755"]
[BlackElo "1938"]
[PlyCount "54"]
[EventDate "2007.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 Nf6 4. c4 Qd8 5. Nf3 Bf5 6. Bf4 e6 7. Nc3 c6 8. Bd3 Bg6 9. Bxg6 hxg6 10. Qb3 Qb6 11. Na4 Qb4+ 12. Bd2 Qxb3 13. axb3 Nbd7 14. 0-0 Bd6 15. Rfe1 0-0 16. Rad1 Rfd8 17. Ne5 Rdc8 18. b4 b5 19. Nxd7 Nxd7 20. cxb5 cxb5 21. Nc5 Nb6 22. b3 Nd5 23. Ra1 Bf4 24. Bxf4 Nxf4 25. Ra5 Rd8 26. Re4 Nd5 27. Rxb5 Nc3 0-1

[Event "NED-ch U17"]
[Site "Venlo"]
[Date "2007.04.30"]
[Round "1"]
[White "Van Vliet, Harry"]
[Black "Colijn, Erik Jan"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2039"]
[BlackElo "1755"]
[PlyCount "53"]
[EventDate "2007.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nbd2 Qe7 7. e3 Ngxe5 8. Nxe5 Nxe5 9. Be2 d6 10. 0-0 Bxd2 11. Qxd2 0-0 12. Rac1 Ng6 13. Bg3 Be6 14. Rfd1 Rfd8 15. Bf3 Rab8 16. Qa5 a6 17. c5 Ne5 18. Be2 Nc6 19. cxd6 cxd6 20. Qa3 Qf6 21. Bxd6 Rbc8 22. Bf3 Na7 23. Be7 Rxd1+ 24. Rxd1 Qg6 25. Bxb7 Qc2 26. Qd6 Qc1 27. Bxc8 1-0

[Event "Tilburg Stukkenjagers op-B"]
[Site "Tilburg"]
[Date "2006.08.18"]
[Round "1"]
[White "Op 't Hoog, Joost"]
[Black "Colijn, Erik Jan"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1888"]
[BlackElo "1639"]
[PlyCount "41"]
[EventDate "2006.08.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 c5 2. c3 g6 3. d4 cxd4 4. Nf3 Bg7 5. cxd4 Nc6 6. Nc3 d6 7. Be2 e6 8. 0-0 Nge7 9. Bg5 f6 10. Be3 d5 11. Qb3 Na5 12. Qa4+ Bd7 13. Bb5 Nc4 14. exd5 Nxe3 15. dxe6 Nxf1 16. Bxd7+ Kf8 17. Rxf1 Qb6 18. Qa3 f5 19. Nd5 Qd8 20. Rc1 a6 21. Ng5 1-0

[Event "Vlissingen HZ op 09th"]
[Site "Vlissingen"]
[Date "2005.08.06"]
[Round "1"]
[White "Iordachescu, Viorel"]
[Black "Colijn, Erik Jan"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2606"]
[PlyCount "49"]
[EventDate "2005.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 Bc5 5. Bg2 d6 6. 0-0 0-0 7. d3 Be6 8. a3 a5 9. Bg5 h6 10. Bxf6 Qxf6 11. e3 Bf5 12. Re1 Rfe8 13. Nh4 Bh7 14. Be4 Qd8 15. Rb1 Rb8 16. Qa4 Bxe4 17. dxe4 Bb6 18. b4 axb4 19. axb4 Ra8 20. Qc2 Qf6 21. Nd5 Qd8 22. Red1 Re6 23. c5 Ba7 24. Nf5 Kh7 25. b5 1-0

