[Event "NED-ch U20"]
[Site "Haarlem"]
[Date "2012.05.06"]
[Round "9"]
[White "Sekandar, Kambiz"]
[Black "Douven, Maurits"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "1996"]
[PlyCount "37"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. d4 Bb4 6. a3 Bxc3+ 7. bxc3 c5 8. Bd3 Qc7 9. 0-0 cxd4 10. cxd4 Nc6 11. Bd2 Na5 12. Bxa5 Qxa5 13. Ng5 h6 14. Qh5 0-0 15. Rae1 Qxa3 16. Re3 Qe7 17. Rg3 f6 18. Qg6 fxg5 19. Qh7+ 1-0

[Event "NED-ch U20"]
[Site "Haarlem"]
[Date "2012.05.05"]
[Round "8"]
[White "Ratsma, Midas"]
[Black "Douven, Maurits"]
[Result "1-0"]
[ECO "A24"]
[WhiteElo "1930"]
[PlyCount "31"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Be6 7. d4 exd4 8. Nxd4 d5 9. Bg5 c6 10. e4 dxc4 11. e5 0-0 12. Nxe6 Qxd1 13. Raxd1 fxe6 14. exf6 Bxf6 15. Bxf6 Rxf6 16. Ne4 1-0

[Event "NED-ch U20"]
[Site "Haarlem"]
[Date "2012.05.03"]
[Round "6"]
[White "Douven, Maurits"]
[Black "Manoch, Maurice"]
[Result "0-1"]
[ECO "B90"]
[BlackElo "1969"]
[PlyCount "42"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Qd2 Nxe3 8. Qxe3 e5 9. Nb3 Be6 10. Nd2 Be7 11. Nf3 Nd7 12. 0-0-0 Rc8 13. Be2 Qa5 14. Kb1 0-0 15. h4 b5 16. h5 Nb6 17. h6 g6 18. Ng5 Rxc3 19. Qxc3 Qxa2+ 20. Kc1 Bxg5+ 21. Rd2 Qa1# 0-1

[Event "NED-ch U20"]
[Site "Haarlem"]
[Date "2012.05.02"]
[Round "5"]
[White "Douven, Maurits"]
[Black "Hendrikse, Arnoud"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "1795"]
[PlyCount "40"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. f3 c6 6. Qd2 e5 7. dxe5 dxe5 8. Qxd8+ Kxd8 9. 0-0-0+ Kc7 10. Bc4 Be6 11. Bxe6 fxe6 12. Nge2 Nbd7 13. g4 Bd6 14. Rd2 Bc5 15. Bg5 h6 16. Bxf6 Nxf6 17. h3 Be3 18. f4 Rad8 19. Rhd1 Rxd2 20. Rxd2 Rd8 0-1

[Event "NED-ch U20"]
[Site "Haarlem"]
[Date "2012.05.01"]
[Round "4"]
[White "Bijlsma, Nick"]
[Black "Douven, Maurits"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "2144"]
[PlyCount "35"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 f5 6. exf6 Qxf6 7. Ndf3 Bd6 8. Nh3 c5 9. c3 Nc6 10. Be2 Nf8 11. 0-0 Ng6 12. Ne5 Rf8 13. Ng5 Bxe5 14. Nxh7 Qf7 15. fxe5 Qg8 16. Nxf8 Nxf8 17. Bh5+ Kd7 18. Rf7+ 1-0

[Event "NED-ch U20"]
[Site "Haarlem"]
[Date "2012.04.30"]
[Round "3"]
[White "Douven, Maurits"]
[Black "Lentjes, Noud"]
[Result "0-1"]
[ECO "C18"]
[BlackElo "1946"]
[PlyCount "42"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Bd3 cxd4 9. cxd4 Qc3+ 10. Kd1 Qxa1 11. Ne2 Nbc6 12. c3 Na5 13. Qxg7 Rg8 14. Qxh7 Nb3 15. Bb5+ Bd7 16. Bxd7+ Kxd7 17. Qc2 Nxc1 18. Nxc1 Qxa3 19. f4 Rac8 20. Na2 Nf5 21. Qd2 Rxg2 0-1

[Event "NED-ch U20"]
[Site "Haarlem"]
[Date "2012.04.29"]
[Round "2"]
[White "Donkers, Joran"]
[Black "Douven, Maurits"]
[Result "1-0"]
[ECO "C09"]
[WhiteElo "1967"]
[PlyCount "51"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd7 7. 0-0 Bd6 8. dxc5 Bxc5 9. Nb3 Be7 10. Qxd5 Nf6 11. Qd1 0-0 12. c3 a6 13. Be2 Re8 14. Nbd4 Rc8 15. Nxc6 Bxc6 16. Qxd8 Rcxd8 17. Nd4 Bc5 18. Nxc6 bxc6 19. Bf3 Ne4 20. Bf4 Bd6 21. Bxd6 Rxd6 22. Bxe4 Rxe4 23. Rad1 Rxd1 24. Rxd1 h6 25. Kf1 g5 26. Rd6 1-0

[Event "NED-ch U20"]
[Site "Haarlem"]
[Date "2012.04.28"]
[Round "1"]
[White "Douven, Maurits"]
[Black "Maatman, Nick"]
[Result "0-1"]
[ECO "C02"]
[BlackElo "2068"]
[PlyCount "40"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Nh6 7. 0-0 cxd4 8. cxd4 Nf5 9. Bxf5 exf5 10. Nc3 Be6 11. Re1 h6 12. a4 Be7 13. b3 a6 14. Be3 Rc8 15. Rb1 Bb4 16. Qd2 Qa5 17. Rec1 Ne7 18. h3 Rxc3 19. Rxc3 Bxc3 20. Qc2 0-0 0-1

