[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2005.05.07"]
[Round "9"]
[White "Groenewegen, Niels"]
[Black "Ten Holte, Benjamin"]
[Result "1/2-1/2"]
[ECO "B50"]
[BlackElo "1597"]
[PlyCount "68"]
[EventDate "2005.05.05"]
[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 Nc6 3. Nc3 Nf6 4. d3 d6 5. Bg5 e6 6. Be2 Be7 7. 0-0 Bd7 8. Re1 h6 9. Be3 0-0 10. Qd2 Qb6 11. b3 Nd4 12. h3 Rac8 13. a4 Nxe2+ 14. Rxe2 Bc6 15. Nb5 a6 16. Nc3 d5 17. Bf4 Rfd8 18. exd5 Nxd5 19. Nxd5 Bxd5 20. Re3 c4 21. bxc4 Bxc4 22. Ne5 Bd5 23. Rg3 Bf6 24. Qe2 Qb2 25. Rc1 g5 26. Qd2 Bxe5 27. Bxg5 Bxg3 28. Bxh6 Be5 29. Qg5+ Bg7 30. c3 Kf8 31. Qxg7+ Ke8 32. Bg5 Qb6 33. Qg8+ Kd7 34. Qxf7+ Kd6 1/2-1/2

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2005.05.07"]
[Round "8"]
[White "Pieper, Roy"]
[Black "Groenewegen, Niels"]
[Result "1/2-1/2"]
[ECO "C33"]
[WhiteElo "1316"]
[PlyCount "104"]
[EventDate "2005.05.05"]
[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 e5 2. f4 exf4 3. d4 Nf6 4. e5 Nd5 5. Bc4 c6 6. Bxd5 cxd5 7. Bxf4 d6 8. Nc3 dxe5 9. Bxe5 Be6 10. Nb5 Na6 11. Nf3 Qa5+ 12. Nc3 f6 13. Bf4 Bb4 14. Bd2 0-0 15. 0-0 Bxc3 16. Bxc3 Qc7 17. Re1 Rfe8 18. Re2 Re7 19. Qd3 Rae8 20. Rae1 Bf7 21. Rxe7 Rxe7 22. Rxe7 Qxe7 23. h3 Bg6 24. Qb5 Be4 25. Qe2 Kf8 26. a3 Bxf3 27. Qxf3 Qe4 28. Qxe4 dxe4 29. Kf2 f5 30. Ke3 Ke7 31. Kf4 Ke6 32. g4 g6 33. h4 h6 34. Bd2 Kf6 35. c4 b6 36. d5 Nb8 37. b4 Nd7 38. a4 a6 39. b5 axb5 40. cxb5 Nc5 41. a5 bxa5 42. Bxa5 Nb7 43. Bc7 e3 44. Kxe3 fxg4 45. Kf4 h5 46. b6 Nc5 47. Bd6 Nb7 48. Bc7 Nc5 49. Be5+ Kf7 50. Kg5 Nb7 51. d6 Ke6 52. Bg3 Kf7 1/2-1/2

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2005.05.07"]
[Round "7"]
[White "Slagter, Jonathan"]
[Black "Groenewegen, Niels"]
[Result "1-0"]
[ECO "C66"]
[WhiteElo "1322"]
[PlyCount "67"]
[EventDate "2005.05.05"]
[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 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 d6 5. d3 Bd7 6. Bg5 Be7 7. 0-0 0-0 8. Bxf6 Bxf6 9. Nd5 a6 10. Ba4 b5 11. Bb3 Bg4 12. c3 Na5 13. Bc2 c6 14. Ne3 Qd7 15. b4 Nb7 16. Bb3 a5 17. a4 axb4 18. axb5 Rxa1 19. Qxa1 Bxf3 20. gxf3 Qh3 21. Qd1 Bg5 22. Ng2 Nd8 23. Ba2 Ne6 24. Bxe6 fxe6 25. Qe2 Rxf3 26. Qa2 h6 27. Qa8+ Kh7 28. Qxc6 Bf4 29. Nxf4 exf4 30. Qxd6 Qg4+ 31. Kh1 Rh3 32. Qe7 f3 33. Rg1 Qf4 34. Qxg7# 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2005.05.06"]
[Round "4"]
[White "Bijlsma, Nick"]
[Black "Groenewegen, Niels"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1412"]
[PlyCount "75"]
[EventDate "2005.05.05"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Nd5 7. c4 Nb6 8. Be2 g6 9. 0-0 Bg7 10. Re1 Bxe5 11. Bd3 d6 12. f4 Nd7 13. fxe5 Nxe5 14. Bf4 Qf6 15. Qf3 Be6 16. Bxe5 Qxf3 17. gxf3 0-0 18. Bf6 Rab8 19. b3 c5 20. Nc3 a6 21. Ne4 Bf5 22. Bg5 Be6 23. Bh6 Rfd8 24. Bg5 Rf8 25. Bf6 Bf5 26. Nf2 Be6 27. Ng4 Rfc8 28. Re3 Rb6 29. Rae1 Re8 30. Bg5 Reb8 31. Be4 a5 32. Bd5 Bxg4 33. Re8+ Kg7 34. fxg4 h6 35. Bd2 Rxe8 36. Rxe8 a4 37. Bc3+ Kh7 38. Rh8# 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2005.05.06"]
[Round "6"]
[White "Groenewegen, Niels"]
[Black "Swinkels, Maurice"]
[Result "0-1"]
[ECO "C55"]
[BlackElo "1741"]
[PlyCount "118"]
[EventDate "2005.05.05"]
[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 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Nxe4 5. Nxe4 d5 6. Bxd5 Qxd5 7. Nc3 Qd6 8. d3 Bg4 9. 0-0 Nd4 10. Ne4 Qc6 11. Nxe5 Bxd1 12. Nxc6 Ne2+ 13. Kh1 Bxc2 14. Nb4 Bxb4 15. a3 Be7 16. Nc3 Nxc3 17. bxc3 0-0-0 18. d4 Bd3 19. Re1 Bf6 20. a4 Rhe8 21. Be3 Bg6 22. a5 c5 23. Red1 cxd4 24. Bxd4 Bxd4 25. cxd4 Kb8 26. Ra2 Bd3 27. g3 Rxd4 28. Kg1 Bc4 29. Rxd4 Bxa2 30. Rb4 Bd5 31. Rb1 Bf3 32. a6 b6 33. Kf1 Be2+ 34. Kg1 Bxa6 35. Kg2 Bb7+ 36. Kh3 Bf3 37. Rb3 Be2 38. Rb1 Re4 39. Kg2 f5 40. Kg1 Bf3 41. h4 Rd4 42. Re1 Rd1 43. Rxd1 Bxd1 44. Kf1 Bf3 45. Ke1 a5 46. Kd2 a4 47. Kc3 b5 48. Kb2 b4 49. Kc2 b3+ 50. Kb2 Kb7 51. Ka3 Kb6 52. Kb2 Kb5 53. Ka3 g6 54. Kb2 Kb4 55. Kb1 Kc3 56. Ka1 a3 57. Kb1 a2+ 58. Ka1 Bd5 59. h5 b2# 0-1

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2005.05.06"]
[Round "5"]
[White "Otten, Martijn"]
[Black "Groenewegen, Niels"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "1335"]
[PlyCount "84"]
[EventDate "2005.05.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e6 4. Bxc4 c5 5. d5 Nf6 6. Nc3 Be7 7. Nf3 0-0 8. 0-0 b6 9. Nb5 Nxe4 10. Qd3 Nd6 11. dxe6 fxe6 12. Nxd6 Qxd6 13. Qe4 Nc6 14. Bf4 Rxf4 15. Qc2 Nd4 16. Nxd4 Qxd4 17. Bd3 Rh4 18. Rad1 Qf4 19. g3 Qg4 20. f3 Qg5 21. Qg2 Qe3+ 22. Kh1 Rd4 23. Rfe1 Qh6 24. f4 Rb8 25. Qc6 Bb7 26. Qxb7 Rxb7 27. b4 cxb4 28. Bxh7+ Qxh7 29. Rxd4 Rc7 30. Rdd1 Qc2 31. Ra1 Bc5 32. Rac1 Qd3 33. Kg2 Qd5+ 34. Kh3 Rd7 35. Re5 Qxa2 36. Rce1 Rd2 37. Rxe6 Rxh2+ 38. Kg4 Qd5 39. R6e5 Qf7 40. Rf5 Qd7 41. Ree5 Qd1+ 42. Kg5 Qh5# 0-1

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2005.05.05"]
[Round "2"]
[White "Cohen, David1111"]
[Black "Groenewegen, Niels"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1432"]
[PlyCount "70"]
[EventDate "2005.05.05"]
[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 e5 2. Nf3 Nc6 3. Bc4 d6 4. c3 g6 5. d4 exd4 6. cxd4 Nf6 7. Bg5 Be7 8. Nc3 0-0 9. 0-0 Bg4 10. h3 Bxf3 11. Qxf3 Nxd4 12. Qd3 c5 13. Ne2 Nxe2+ 14. Qxe2 b6 15. f4 Nd7 16. Bh6 Re8 17. e5 Nb8 18. Rad1 a5 19. f5 Kh8 20. Bxf7 Nd7 21. e6 Ne5 22. Qf2 Bh4 23. fxg6 Bxf2+ 24. Kxf2 hxg6 25. Kg1 Kh7 26. Bxe8 Kxh6 27. Bf7 Nc4 28. Rfe1 Qe7 29. b3 Ne5 30. Rf1 Nxf7 31. exf7 Rf8 32. Rde1 Qd7 33. Re8 Rxe8 34. f8N Rxf8 35. Rxf8 Qe7 0-1

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2005.05.05"]
[Round "1"]
[White "Groenewegen, Niels"]
[Black "Flinkenfluger, Renzo"]
[Result "0-1"]
[ECO "C42"]
[BlackElo "1529"]
[PlyCount "86"]
[EventDate "2005.05.05"]
[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 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d3 Bb4 5. Bd2 d5 6. exd5 Nxd5 7. Ne4 Bxd2+ 8. Qxd2 Bg4 9. Be2 Bxf3 10. Bxf3 Nd4 11. Qd1 Nb4 12. Kd2 Nbxc2 13. Rc1 Nxf3+ 14. Qxf3 Nd4 15. Qh5 Qe7 16. Rc5 Nc6 17. b4 g6 18. Qg5 Qxg5+ 19. Nxg5 f6 20. Ne6 Kd7 21. b5 Kxe6 22. bxc6 b6 23. Rc3 Kd5 24. Re1 Rhe8 25. Re4 Re6 26. Rec4 Rd8 27. Ke3 Rdd6 28. Ra4 a5 29. Rh4 h5 30. f3 Rxc6 31. Rxc6 Rxc6 32. g3 Rc2 33. a4 Rb2 34. f4 Rb4 35. fxe5 Kxe5 36. Rxb4 axb4 37. Kd2 Kd4 38. Kc2 g5 39. Kb3 c5 40. Kc2 f5 41. h3 f4 42. gxf4 gxf4 43. Kd2 b3 0-1

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2005.05.05"]
[Round "3"]
[White "Groenewegen, Niels"]
[Black "Van der Lende, Ilias"]
[Result "0-1"]
[ECO "C47"]
[BlackElo "1702"]
[PlyCount "70"]
[EventDate "2005.05.05"]
[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 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 d5 5. exd5 Nxd5 6. Be2 Bc5 7. 0-0 Bh3 8. Re1 0-0 9. d3 Qd6 10. Bf1 Bg4 11. Bg2 Nd4 12. Nxd5 Qxd5 13. Re3 Nxc2 14. Qxc2 Bxe3 15. Bxe3 Bxf3 16. Bxf3 Qxf3 17. Qxc7 Rad8 18. Qxe5 Rxd3 19. Bxa7 Rfd8 20. Qe1 Rd1 21. Rxd1 Rxd1 22. Qxd1 Qxd1+ 23. Kg2 Qd5+ 24. Kg1 Qxa2 25. Bd4 Qb1+ 26. Kg2 Qe4+ 27. Kg1 Qxd4 28. b3 Qd1+ 29. Kg2 Qxb3 30. h3 f5 31. h4 h5 32. Kf1 f4 33. Kg2 f3+ 34. Kh2 Qd1 35. g4 Qf1 0-1

