[Event "Delft Prinsenstad op-B"]
[Site "Delft"]
[Date "2008.01.06"]
[Round "5"]
[White "Van Heijgen, Diederik"]
[Black "Goes, Sten"]
[Result "0-1"]
[ECO "D89"]
[WhiteElo "1789"]
[BlackElo "1848"]
[PlyCount "58"]
[EventDate "2008.01.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Be3 Bg7 8. Bc4 Nc6 9. Ne2 0-0 10. 0-0 Bg4 11. f3 Na5 12. Bd3 cxd4 13. cxd4 Be6 14. d5 Bxa1 15. Qxa1 f6 16. Bh6 Re8 17. Qd4 Bd7 18. Rb1 b5 19. e5 e6 20. exf6 Qb6 21. dxe6 Rxe6 22. Bg7 Rb8 23. Be4 Rd6 24. Qxb6 Rbxb6 25. Re1 Rb8 26. h4 Rd8 27. Kf2 a6 28. g4 b4 29. g5 Kf7 0-1

[Event "Delft Prinsenstad op-B"]
[Site "Delft"]
[Date "2008.01.05"]
[Round "2"]
[White "Wiering, Jelle"]
[Black "Van Heijgen, Diederik"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "1861"]
[BlackElo "1789"]
[PlyCount "56"]
[EventDate "2008.01.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 Be7 6. e3 a6 7. c5 Nbd7 8. Bd3 0-0 9. 0-0 h6 10. Bh4 Nh5 11. Bxe7 Qxe7 12. Na4 Nhf6 13. Qc2 e5 14. Nxe5 Nxe5 15. dxe5 Qxe5 16. Nb6 Rb8 17. h3 Re8 18. b4 Ne4 19. Nxc8 Rbxc8 20. a4 f5 21. Bxe4 Qxe4 22. Qxe4 Rxe4 23. Rfb1 d4 24. exd4 Rxd4 25. b5 cxb5 26. axb5 Rxc5 27. bxa6 bxa6 28. Rxa6 Rd7 1/2-1/2

[Event "NED op U14"]
[Site "Netherlands"]
[Date "2001.??.??"]
[Round "3"]
[White "Crefcoeur, Remco"]
[Black "Van Heijgen, Diederik"]
[Result "1-0"]
[ECO "D13"]
[PlyCount "61"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nf6 5. Nc3 Bg4 6. Bf4 e6 7. Ne5 Bd6 8. f3 Bf5 9. Qa4+ Ke7 10. e3 h6 11. Nb5 Qe8 12. Ng6+ Bxg6 13. Bxd6+ Kd8 14. Bc7+ Ke7 15. Qb4+ Kd7 16. Qd6+ Kc8 17. Bxb8 Qc6 18. Bxa7 Qc2 19. Qc5+ Qxc5 20. Bxc5 Kd7 21. Be2 Bh7 22. 0-0 g5 23. a3 Nh5 24. Rac1 f5 25. Rc3 f4 26. Rfc1 Nf6 27. Na7 Bf5 28. Bb5+ Kd8 29. Bb6+ Ke7 30. Rc7+ Kd6 31. Rf7 1-0

[Event "NED op U14"]
[Site "Netherlands"]
[Date "2001.??.??"]
[Round "2"]
[White "Van Heijgen, Diederik"]
[Black "Van Splunter, Niels"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "74"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. d3 Bg4 6. f3 Bh5 7. Bd2 c6 8. Nge2 e6 9. Nd5 Qd8 10. Ndf4 Bd6 11. a3 e5 12. Nxh5 Nxh5 13. c3 0-0 14. Be3 b5 15. Bb3 Re8 16. Qd2 a5 17. g4 Nf4 18. 0-0-0 Nxe2+ 19. Qxe2 b4 20. axb4 axb4 21. Bd2 Qb6 22. Kc2 Nd7 23. Be3 c5 24. Ra1 Rab8 25. c4 Qb7 26. Ba4 b3+ 27. Kb1 Ra8 28. Qd1 Reb8 29. Bb5 Rxa1+ 30. Kxa1 Qa7+ 31. Kb1 Qa2+ 32. Kc1 Ra8 33. Rg1 Qa1+ 34. Kd2 Qxb2+ 35. Ke1 Ra1 36. Qxa1 Qxa1+ 37. Ke2 b2 0-1

[Event "NED op U14"]
[Site "Netherlands"]
[Date "2001.??.??"]
[Round "4"]
[White "Van der Meiden, Geurt Jan"]
[Black "Van Heijgen, Diederik"]
[Result "1/2-1/2"]
[ECO "C70"]
[PlyCount "41"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5 5. Nc3 d6 6. h3 Bd7 7. d3 h6 8. Be3 Bxe3 9. fxe3 Nge7 10. Qe2 b5 11. Bb3 Be6 12. Nd5 Bxd5 13. exd5 Na5 14. e4 Ng6 15. Qd2 Nxb3 16. axb3 0-0 17. c4 Qd7 18. 0-0 c6 19. d4 Rfd8 20. Qd3 f6 21. dxe5 1/2-1/2

