[Event "Delft Prinsenstad op-B 6th"]
[Site "Delft"]
[Date "2013.03.29"]
[Round "1"]
[White "Holwijn, Melvin"]
[Black "Roeleveld, Koos"]
[Result "1/2-1/2"]
[ECO "D93"]
[WhiteElo "1970"]
[BlackElo "1824"]
[PlyCount "109"]
[EventDate "2013.03.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 0-0 7. Bd3 Bg4 8. h3 Bxf3 9. Qxf3 Qb6 10. Rb1 dxc4 11. Bxc4 Qb4 12. Bb3 a5 13. Qe2 a4 14. Qc4 Qxc4 15. Bxc4 b5 16. Bd3 Nh5 17. Bh2 Nd7 18. Be4 Ra6 19. 0-0 b4 20. Bd3 Ra7 21. Ne4 c5 22. Nxc5 Nxc5 23. dxc5 Rc8 24. Rfc1 a3 25. bxa3 Rxa3 26. Be4 Bc3 27. c6 Nf6 28. Bf3 Rxa2 29. g4 g5 30. Rb3 Rd2 31. Rbxc3 bxc3 32. Rxc3 e6 33. Rb3 Nd5 34. Bxd5 Rxd5 35. c7 Ra5 36. Rb8 Ra8 37. Bd6 f6 38. f4 Kf7 39. fxg5 fxg5 40. e4 Ke8 41. e5 Kd7 42. Rb7 Ra6 43. Rb8 Rc6 44. Kf2 R6xc7 45. Bxc7 Kxc7 46. Rb3 Rf8+ 47. Ke3 Kc6 48. Rd3 Kc7 49. Rd6 Re8 50. Kd4 Rd8 51. Rxd8 Kxd8 52. Kc4 Kc7 53. Kc5 h6 54. Kb5 Kb7 55. Kc5 1/2-1/2

[Event "Delft Prinsenstad op-B"]
[Site "Delft"]
[Date "2012.04.08"]
[Round "5"]
[White "Van Dongen, Leo"]
[Black "Roeleveld, Koos"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1657"]
[BlackElo "1792"]
[PlyCount "76"]
[EventDate "2012.04.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 c6 4. c3 d5 5. e5 Bg4 6. Be2 e6 7. Be3 Ne7 8. Qd2 Nd7 9. Bh6 Bxh6 10. Qxh6 Qb6 11. b4 a5 12. Nbd2 axb4 13. c4 Bxf3 14. c5 Qc7 15. Bxf3 Nxc5 16. 0-0 Nf5 17. Qf4 Nd3 18. Qg5 Nxd4 19. Qe3 Nxf3+ 20. Nxf3 Nb2 21. Qb3 Nc4 22. Rfe1 Qb6 23. Rab1 c5 24. Re2 Ra3 25. Qc2 Qa5 26. Ne1 b5 27. Nd3 Qc7 28. f4 Ke7 29. g4 Rha8 30. Nc1 Rc3 31. Qd1 Raa3 32. Nb3 Qa7 33. Qe1 g5 34. f5 Ne3 35. Rxe3 c4 36. Kf2 cxb3 37. axb3 Qd4 38. Qe2 Qf4+ 0-1

[Event "Delft Prinsenstad op-B"]
[Site "Delft"]
[Date "2012.04.06"]
[Round "1"]
[White "Welling, Wouter"]
[Black "Roeleveld, Koos"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "1971"]
[BlackElo "1792"]
[PlyCount "55"]
[EventDate "2012.04.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Bd6 6. Bd3 Nbd7 7. 0-0 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 h6 11. b3 f5 12. Bc2 c5 13. Bb2 Qe7 14. Re1 b6 15. Qe2 cxd4 16. Nxd4 Nc5 17. Nxf5 exf5 18. Qxe7 Bxe7 19. Rxe7 Rf7 20. Rae1 Bb7 21. Rxf7 Kxf7 22. Bxf5 Rd8 23. Bc3 a5 24. f3 g6 25. Bc2 Rd6 26. Rd1 Rxd1+ 27. Bxd1 Nd3 28. Bd4 1-0

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2011.05.08"]
[Round "9"]
[White "Roeleveld, Koos"]
[Black "Kolodkin, Daniil"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "1778"]
[BlackElo "1832"]
[PlyCount "49"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. f4 Nge7 7. Nf3 d6 8. 0-0 0-0 9. Ne2 Nd4 10. c3 Nxe2+ 11. Qxe2 e5 12. h3 exf4 13. Bxf4 d5 14. e5 d4 15. c4 h6 16. Rae1 Nc6 17. g4 Re8 18. Qd2 Kh7 19. a3 a5 20. Qf2 Ra7 21. Bh2 Be6 22. Nd2 Qc7 23. Ne4 b6 24. Nd6 Re7 25. Nb5 1-0

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2011.05.07"]
[Round "8"]
[White "Lecomte, Robin"]
[Black "Roeleveld, Koos"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1859"]
[BlackElo "1778"]
[PlyCount "69"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 c6 4. 0-0 d5 5. d4 Nh6 6. b3 0-0 7. Bb2 Nf5 8. e3 Nd6 9. Nbd2 Nd7 10. c4 Nf6 11. Rc1 Nde4 12. Nxe4 Nxe4 13. Nd2 Nxd2 14. Qxd2 Be6 15. Rfd1 Qd7 16. Qa5 Rfd8 17. Ba3 dxc4 18. bxc4 Bg4 19. Rd2 b6 20. Qa4 Rac8 21. Rdc2 c5 22. Qxd7 Bxd7 23. dxc5 bxc5 24. Rb1 Ba4 25. Re2 Rd3 26. Bb2 Rb8 27. Be4 Rd6 28. Bxg7 Rxb1+ 29. Bxb1 Kxg7 30. Bc2 Bc6 31. f4 e5 32. Kf2 e4 33. Ke1 f5 34. Rd2 Rxd2 35. Kxd2 1/2-1/2

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2011.05.06"]
[Round "7"]
[White "Roeleveld, Koos"]
[Black "Verweij, Florian"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1778"]
[BlackElo "1708"]
[PlyCount "71"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. g3 a6 6. Bg2 e6 7. Nge2 Be7 8. 0-0 0-0 9. Bf4 Qd8 10. Re1 Bd7 11. Bxb7 Ra7 12. Bg2 Bc6 13. Be3 Bxg2 14. Kxg2 Nd5 15. Nxd5 Qxd5+ 16. f3 Qb5 17. b3 c5 18. c4 Qb4 19. Qd2 Qxd2 20. Bxd2 cxd4 21. Nxd4 Rd7 22. Bc3 Rfd8 23. Ne2 Nc6 24. a3 a5 25. h4 h6 26. Nf4 g5 27. hxg5 hxg5 28. Nh5 Nd4 29. Reb1 Rb7 30. b4 axb4 31. Bxb4 Bxb4 32. axb4 Nc2 33. Ra5 Ne3+ 34. Kh3 Nxc4 35. Rxg5+ Kf8 36. f4 1/2-1/2

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2011.05.05"]
[Round "6"]
[White "Keuning, Selwin"]
[Black "Roeleveld, Koos"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1735"]
[BlackElo "1778"]
[PlyCount "93"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. f4 Qb6 5. Nf3 d5 6. e5 Bg4 7. Be2 e6 8. Ng5 Bxe2 9. Nxe2 Ne7 10. Nf3 Nd7 11. c3 Rc8 12. a4 0-0 13. 0-0 c5 14. Kh1 cxd4 15. cxd4 Nc6 16. b3 Rfd8 17. Be3 Nb4 18. Bf2 Nb8 19. Bh4 Re8 20. Bf6 Nc2 21. Bxg7 Kxg7 22. a5 Qb5 23. f5 exf5 24. Qd2 Rc6 25. Rab1 Nd7 26. Nh4 h6 27. Ng3 Ree6 28. Qf4 Qd3 29. Rbd1 Qxb3 30. Rb1 Qd3 31. Rxb7 Nxd4 32. Qxd4 Qxd4 33. Nhxf5+ gxf5 34. Nxf5+ Kg6 35. Nxd4 Nxe5 36. Nxc6 Nxc6 37. Rbxf7 Rd6 38. Rc7 d4 39. Kg1 d3 40. Rd1 Kf5 41. Kf2 Ke4 42. a6 d2 43. Ke2 Nd4+ 44. Kxd2 Nb5+ 45. Kc2 Rxd1 46. Re7+ Kf4 47. Kxd1 1-0

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2011.05.04"]
[Round "5"]
[White "Roeleveld, Koos"]
[Black "Lai, Hing Ting"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1778"]
[BlackElo "1813"]
[PlyCount "120"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. g3 Nf6 4. Bg2 Bb4 5. exd5 exd5 6. a3 Be7 7. d4 0-0 8. Nge2 c6 9. 0-0 Bf5 10. Nf4 Na6 11. Nd3 Nc7 12. Ne5 Nfe8 13. f4 f6 14. Nd3 Bxd3 15. Qxd3 f5 16. Re1 Nd6 17. Nd1 Ne4 18. Nf2 Bf6 19. c3 Ne8 20. Bxe4 dxe4 21. Qd1 g6 22. g4 Bh4 23. Rf1 Qd7 24. h3 Nf6 25. g5 Nh5 26. Qb3+ Kg7 27. Be3 h6 28. gxh6+ Kh7 29. Rad1 g5 30. fxg5 Bxf2+ 31. Bxf2 f4 32. Qc2 Qf5 33. Rfe1 Rae8 34. Kh2 e3 35. Qxf5+ Rxf5 36. h4 Kg6 37. Kh3 Rf7 38. Bg1 Re4 39. d5 e2 40. Rd2 f3 41. dxc6 bxc6 42. Rd6+ Kf5 43. Rxc6 Rd7 44. Bd4 Rdxd4 45. cxd4 f2 46. Rcc1 fxe1Q 47. Rxe1 Rxd4 48. Kg2 Rxh4 49. Kf2 Nf4 50. Rb1 Kxg5 51. b4 e1Q+ 52. Rxe1 Nd3+ 53. Ke2 Nxe1 54. Kxe1 Rxh6 55. Kd2 Kf5 56. Kc3 Ke5 57. Kc4 Kd6 58. Kb5 Kc7 59. a4 a6+ 60. Ka5 Kb7 0-1

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2011.05.03"]
[Round "4"]
[White "Gerlagh, Joris"]
[Black "Roeleveld, Koos"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1788"]
[BlackElo "1778"]
[PlyCount "79"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 e5 4. d5 d6 5. Nf3 Ne7 6. Bd3 0-0 7. Nc3 f5 8. Be3 Nd7 9. h4 Nf6 10. Bg5 h6 11. Bd2 f4 12. Qb3 Nd7 13. Qc2 Nc5 14. b4 Nxd3+ 15. Qxd3 a5 16. b5 b6 17. Na4 Bf6 18. 0-0-0 Bg4 19. Rdg1 Kg7 20. g3 Qd7 21. gxf4 exf4 22. Bxf4 Kh7 23. Nd2 Bh8 24. Be3 Ng8 25. f4 h5 26. Rf1 Qg7 27. Kc2 Ne7 28. Qc3 Rae8 29. Qxg7+ Bxg7 30. Nc3 Nf5 31. Bf2 Nd4+ 32. Kd3 Nf3 33. Be3 Bxc3 34. Nxf3 Bg7 35. Ng5+ Kg8 36. Bd4 Bh6 37. a3 Re7 38. Bc3 Bxg5 39. fxg5 Bf3 40. Rhg1 1/2-1/2

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2011.05.02"]
[Round "3"]
[White "Roeleveld, Koos"]
[Black "Roelofs, Rik"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "1778"]
[BlackElo "1920"]
[PlyCount "71"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. g3 dxe4 4. Nxe4 Nd7 5. Bg2 Ngf6 6. d3 e5 7. Ne2 Be7 8. 0-0 0-0 9. N2c3 Nd5 10. d4 Nxc3 11. Nxc3 exd4 12. Qxd4 Bf6 13. Qd3 Nc5 14. Qxd8 Rxd8 15. Ne4 Nxe4 16. Bxe4 Bh3 17. Bg2 Bf5 18. c3 Bd3 19. Re1 Re8 20. Rxe8+ Rxe8 21. Be3 a6 22. Rd1 Bf5 23. Bf3 h6 24. h4 Be5 25. Kg2 Be6 26. a3 Bc7 27. Rd2 Rd8 28. Rxd8+ Bxd8 29. Bd1 Kf8 30. Kf3 Bd5+ 31. Ke2 Bc4+ 32. Kd2 Be6 33. Bc5+ Be7 34. Bxe7+ Kxe7 35. Ke3 Kd6 36. f4 1/2-1/2

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2011.05.01"]
[Round "2"]
[White "Kevlishvili, Robby"]
[Black "Roeleveld, Koos"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1671"]
[BlackElo "1778"]
[PlyCount "98"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 g6 2. Nc3 Bg7 3. Bc4 c6 4. Qf3 e6 5. Nge2 d5 6. Bb3 d4 7. Nb1 Ne7 8. d3 a5 9. a3 Nd7 10. Bf4 0-0 11. h4 a4 12. Ba2 Qb6 13. b3 axb3 14. Bxb3 Nc5 15. Nd2 Nxb3 16. Nxb3 e5 17. Bd2 f5 18. Qg3 f4 19. Qh2 h5 20. Ng1 Be6 21. Bb4 Bxb3 22. cxb3 c5 23. Bd2 Qxb3 24. Qh3 Nc6 25. Ne2 Qf7 26. f3 Nb4 27. Bxb4 cxb4 28. 0-0 Rxa3 29. Rac1 Ra2 30. Rfe1 b3 31. Kf2 b2 32. Rb1 Rfa8 33. Qh1 Qb3 34. Red1 Qa3 35. Qe1 Bf8 36. Qd2 Bb4 37. Qc2 Bc3 38. Ng1 Qa4 39. Qe2 Ra1 40. Nh3 Rxb1 41. Rxb1 Qb3 42. g3 Ra1 43. Rxb2 Qxb2 44. Qxb2 Bxb2 45. gxf4 exf4 46. Nxf4 Kf7 47. e5 Bc1 48. e6+ Ke7 49. Nxg6+ Kxe6 0-1

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2011.04.30"]
[Round "1"]
[White "Roeleveld, Koos"]
[Black "Dijkhuis, Tycho"]
[Result "1/2-1/2"]
[ECO "B25"]
[WhiteElo "1778"]
[BlackElo "1988"]
[PlyCount "104"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 e6 6. d3 d6 7. Bd2 Rb8 8. Nge2 Nd4 9. 0-0 Ne7 10. Nxd4 Bxd4+ 11. Kh1 0-0 12. Rb1 Bg7 13. g4 f5 14. g5 Bd7 15. h4 e5 16. h5 gxh5 17. Qxh5 Be8 18. Qh3 Bg6 19. Rbe1 Qc8 20. Qh2 c4 21. fxe5 Bxe5 22. Bf4 Bxf4 23. Qxf4 Qc5 24. exf5 Rxf5 25. Qxc4+ Qxc4 26. dxc4 Rxf1+ 27. Bxf1 Kf7 28. Ne4 Bxe4+ 29. Rxe4 Ng6 30. Rd4 Ke7 31. Bd3 Rc8 32. Kg2 Rc5 33. Rg4 b6 34. b4 Rc8 35. Bxg6 hxg6 36. Rh4 Ke6 37. Rf4 Ke5 38. Kg3 b5 39. cxb5 Rxc2 40. a4 d5 41. Rf7 Rc3+ 42. Kf2 Rc4 43. Rxa7 Rxb4 44. Ra6 Kf4 45. Rd6 Rxa4 46. Rxd5 Ra2+ 47. Ke1 Ra5 48. Kd2 Ke4 49. Rc5 Kd4 50. Rc6 Rxb5 51. Rxg6 Ke4 52. Rg8 Kf5 1/2-1/2

[Event "Delft Prinsenstad op-B"]
[Site "Delft"]
[Date "2011.04.23"]
[Round "3"]
[White "Roeleveld, Koos"]
[Black "Bekker, Michael"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "1778"]
[BlackElo "1794"]
[PlyCount "67"]
[EventDate "2011.04.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 0-0 5. 0-0 d6 6. d4 Nbd7 7. Nc3 e5 8. e4 c5 9. d5 Nb6 10. Qe2 Ne8 11. Ne1 f5 12. f4 exf4 13. Bxf4 Bd4+ 14. Kh1 Qf6 15. Rc1 g5 16. Bd2 Qg6 17. Nf3 Bxc3 18. Rxc3 fxe4 19. Nxg5 Rxf1+ 20. Qxf1 Nf6 21. Qf4 Na4 22. Nxe4 Nh5 23. Qxd6 Qxd6 24. Nxd6 Nxc3 25. Bxc3 b6 26. Bf3 Ng7 27. Ne4 Bf5 28. Nf6+ Kf8 29. g4 Bd3 30. Nd7+ Kg8 31. d6 Rd8 32. Bd5+ Kh8 33. Ne5 Bg6 34. d7 1-0

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2010.05.07"]
[Round "8"]
[White "Braggaar, Wessel"]
[Black "Roeleveld, Koos"]
[Result "1/2-1/2"]
[ECO "B15"]
[PlyCount "37"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d5 5. h3 dxe4 6. Nxe4 Nd7 7. c3 Ngf6 8. Nxf6+ Nxf6 9. Bd3 0-0 10. 0-0 b6 11. Re1 Bb7 12. Bf4 Rc8 13. Qe2 c5 14. dxc5 Rxc5 15. Rad1 Qa8 16. Bc2 Bxf3 17. Qxf3 Qxf3 18. gxf3 e6 19. Be5 1/2-1/2

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2010.05.06"]
[Round "7"]
[White "Lecomte, Robin"]
[Black "Roeleveld, Koos"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "1745"]
[PlyCount "67"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 Nc6 4. Bg2 Bc5 5. e3 d6 6. Nge2 0-0 7. d4 exd4 8. exd4 Bb4 9. 0-0 Bxc3 10. bxc3 h6 11. Rb1 Rb8 12. Bxc6 Be6 13. Rxb7 Qe7 14. d5 Rxb7 15. Bxb7 Bh3 16. Re1 Re8 17. Be3 g5 18. Nd4 Qe4 19. f3 Qg6 20. Qc2 Qh5 21. Bf2 Rb8 22. Bc6 Kg7 23. g4 Nxg4 24. fxg4 Qxg4+ 25. Bg3 f5 26. Qe2 Qxe2 27. Rxe2 f4 28. Ne6+ Kf6 29. Bf2 Rb1+ 30. Re1 Rb2 31. Nxc7 g4 32. Ne8+ Kg5 33. Nxd6 g3 34. Ne4+ 1-0

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2010.05.04"]
[Round "6"]
[White "Roeleveld, Koos"]
[Black "Mullink, Jochem"]
[Result "1-0"]
[ECO "B11"]
[PlyCount "69"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. d3 Nb6 7. Nxf6+ exf6 8. Bb3 Bd6 9. h3 0-0 10. 0-0 Bf5 11. Be3 Qc7 12. c3 Rad8 13. d4 Be4 14. Bc2 Qe7 15. Re1 f5 16. b3 Qc7 17. Nh4 Bxc2 18. Qxc2 f4 19. Bd2 Rfe8 20. Nf3 f6 21. Qf5 Nd5 22. c4 Ne7 23. Qe6+ Kf8 24. c5 Nd5 25. cxd6 Qxd6 26. Qxd6+ Rxd6 27. Rxe8+ Kxe8 28. Re1+ Kf7 29. Kf1 b6 30. Ke2 g5 31. Kd3 Kg6 32. Kc4 f5 33. Bb4 Rf6 34. Be7 Rf7 35. Ne5+ 1-0

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2010.05.03"]
[Round "5"]
[White "Casteleijn, Robert"]
[Black "Roeleveld, Koos"]
[Result "1/2-1/2"]
[ECO "B15"]
[PlyCount "62"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 Bg7 3. d4 c6 4. Nc3 d5 5. e5 Bg4 6. Bf4 e6 7. h3 Bxf3 8. Qxf3 Nd7 9. Qe3 Ne7 10. Bd3 0-0 11. f3 Rc8 12. Ne2 c5 13. c3 cxd4 14. cxd4 Qa5+ 15. Kf2 Nb6 16. h4 Nc4 17. Bxc4 Nf5 18. Qd2 Qxd2 19. Bxd2 Rxc4 20. Bc3 Rfc8 21. g4 Ne7 22. f4 b5 23. a3 R4c7 24. h5 Nc6 25. h6 Bf8 26. g5 a5 27. Rhc1 Be7 28. b4 a4 29. Kf3 Kf8 30. Bd2 Ke8 31. Nc3 Na7 1/2-1/2

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2010.05.02"]
[Round "4"]
[White "Roeleveld, Koos"]
[Black "Haan, Gertjan"]
[Result "1/2-1/2"]
[ECO "A34"]
[PlyCount "43"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc6 6. 0-0 g6 7. Nc3 Nc7 8. d3 Bg7 9. Be3 b6 10. Qd2 Bb7 11. Bh6 0-0 12. Bxg7 Kxg7 13. Ne4 Nd4 14. Nxd4 Qxd4 15. Ng5 Bxg2 16. Kxg2 Qd5+ 17. Nf3 Ne6 18. Qe3 Rfe8 19. b3 Nd4 20. Rac1 Nxf3 21. Qxf3 Qxf3+ 22. Kxf3 1/2-1/2

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2010.05.01"]
[Round "3"]
[White "Keetman, Dennis"]
[Black "Roeleveld, Koos"]
[Result "1-0"]
[ECO "B15"]
[PlyCount "87"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 c6 4. Nc3 d5 5. e5 Bg4 6. h3 Bxf3 7. Qxf3 e6 8. Bd3 Nd7 9. 0-0 Ne7 10. Be3 0-0 11. Qe2 a6 12. f4 Rc8 13. b4 c5 14. bxc5 Nxc5 15. dxc5 d4 16. Nd1 dxe3 17. Qxe3 Nd5 18. Qf2 Qa5 19. Rb1 Rfd8 20. Rxb7 Bf8 21. Qe2 Bxc5+ 22. Kh1 Qxa2 23. Bxa6 Nb4 24. Rxb4 Bxb4 25. Bxc8 Rxc8 26. Ne3 Rc3 27. Rg1 Bc5 28. Ng4 Bxg1 29. Nf6+ Kg7 30. Kxg1 Rxc2 31. Qg4 Qa7+ 32. Kh2 Rc1 33. Qg5 Qe7 34. f5 exf5 35. Nh5+ Kf8 36. Qh6+ Ke8 37. Nf6+ Kd8 38. Qd2+ Kc8 39. Qxc1+ Kb7 40. Qb2+ Ka6 41. Nxh7 Qh4 42. Nf6 f4 43. Qc3 Qg5 44. Nd5 1-0

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2010.04.30"]
[Round "2"]
[White "Roeleveld, Koos"]
[Black "Bril, Oscar"]
[Result "1/2-1/2"]
[ECO "B73"]
[PlyCount "89"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 d6 7. Be3 Bg7 8. 0-0 0-0 9. f3 Bd7 10. Qd2 Rc8 11. Rad1 a6 12. Nb3 Ne5 13. Bh6 Nc4 14. Bxc4 Rxc4 15. Bxg7 Kxg7 16. Qe2 Rc8 17. Rd2 Be6 18. Rfd1 Qb6+ 19. Qf2 Qxf2+ 20. Kxf2 Bc4 21. Nd5 Nxd5 22. exd5 Rc7 23. Nc1 Bb5 24. b3 Re8 25. c4 Bd7 26. Nd3 Bf5 27. Nb2 Kg8 28. g4 Bc8 29. Kg3 Kg7 30. Re1 b5 31. Rde2 e6 32. Rd2 Rce7 33. Kf2 Bb7 34. dxe6 Rxe6 35. Rxe6 Rxe6 36. cxb5 axb5 37. Nd3 Rf6 38. f4 Be4 39. Kg3 g5 40. f5 d5 41. Nf2 Rc6 42. Nxe4 dxe4 43. Re2 Rc3+ 44. Kf2 Rf3+ 45. Kg2 1/2-1/2

[Event "NED-ch U15"]
[Site "Haarlem"]
[Date "2010.04.29"]
[Round "1"]
[White "Ducarmon, Renzo"]
[Black "Roeleveld, Koos"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "1923"]
[PlyCount "74"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Be3 d5 5. f3 dxe4 6. fxe4 Nf6 7. Be2 0-0 8. Qd2 e5 9. 0-0-0 exd4 10. Bxd4 Be6 11. Qf4 Nbd7 12. g4 b5 13. g5 Ne8 14. Bg4 Nc7 15. Bxg7 Kxg7 16. h4 Bxg4 17. Qxg4 Ne5 18. Qf4 Qe7 19. Nf3 Nc4 20. Nd2 Ne6 21. Qf3 Ne5 22. Qg3 Nc5 23. h5 b4 24. Ne2 a5 25. Qh4 Rh8 26. h6+ Kg8 27. Nf4 a4 28. Qg3 b3 29. a3 bxc2 30. Kxc2 Rb8 31. Qc3 Re8 32. Nc4 Kf8 33. Nd6 Qxg5 34. Nxe8 Qxf4 35. Qxc5+ Kxe8 36. Qd4 f6 37. Qd8+ Kf7 1-0

[Event "Delft Prinsenstad op-B"]
[Site "Delft"]
[Date "2010.04.03"]
[Round "3"]
[White "Roeleveld, Koos"]
[Black "Vesters, Melchior"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1690"]
[BlackElo "1974"]
[PlyCount "48"]
[EventDate "2010.04.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. c3 c5 4. d4 Qc7 5. Nf3 Nf6 6. Bf4 d6 7. 0-0 0-0 8. Nbd2 Nd5 9. e4 Nxf4 10. gxf4 d5 11. e5 Bg4 12. h3 Bxf3 13. Nxf3 e6 14. h4 Bh6 15. Ng5 cxd4 16. cxd4 Nc6 17. Bh3 Bxg5 18. hxg5 Qb6 19. Kg2 Qxd4 20. Qg4 Rac8 21. Rh1 Qe4+ 22. Kg1 Nd4 23. Bg2 Qxf4 24. Qh3 Rc1+ 0-1

[Event "Delft Prinsenstad op-B"]
[Site "Delft"]
[Date "2010.04.02"]
[Round "1"]
[White "Welch, Wayne"]
[Black "Roeleveld, Koos"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "1830"]
[BlackElo "1690"]
[PlyCount "56"]
[EventDate "2010.04.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e5 3. Bg2 Nc6 4. Nf3 d5 5. cxd5 Nxd5 6. 0-0 Be6 7. d3 Be7 8. Nbd2 0-0 9. a3 f5 10. Nc4 Bf6 11. Bh3 Qe7 12. Bg5 e4 13. dxe4 fxe4 14. Bxe6+ Qxe6 15. Bxf6 exf3 16. e4 Nxf6 17. Rc1 Nxe4 18. Ne3 Rad8 19. Qa4 Nxf2 20. Qc4 Qxc4 21. Rxc4 Nh3+ 22. Kh1 Rd3 23. Nc2 Ne5 24. Re4 Ng4 25. Rxg4 Nf2+ 26. Kg1 Nxg4 27. Ne1 f2+ 28. Rxf2 Nxf2 0-1

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2009.05.23"]
[Round "9"]
[White "Roeleveld, Koos"]
[Black "Polak, Alexander"]
[Result "1-0"]
[ECO "D79"]
[PlyCount "65"]
[EventDate "2009.05.21"]
[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 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 c6 5. 0-0 d5 6. cxd5 cxd5 7. d4 0-0 8. Nc3 Nc6 9. Re1 Bf5 10. a3 Ne4 11. e3 Nxc3 12. bxc3 Na5 13. Nh4 Be6 14. e4 dxe4 15. Bxe4 Qc7 16. Qc2 Rac8 17. Bd2 Nb3 18. Rab1 Nxd4 19. cxd4 Qxc2 20. Bxc2 Rxc2 21. Be3 b6 22. Ng2 Rd8 23. Nf4 Bf5 24. Rbd1 Ra2 25. h3 Rxa3 26. g4 Bc8 27. Rc1 Ra4 28. Nd5 Kf8 29. Nxe7 Be6 30. Nc6 Rc8 31. Bf4 Bxd4 32. Nxd4 Rxd4 33. Rxc8+ 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2009.05.23"]
[Round "7"]
[White "Roeleveld, Koos"]
[Black "Stolwijk, Colin"]
[Result "1-0"]
[ECO "D13"]
[PlyCount "47"]
[EventDate "2009.05.21"]
[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 Nf6 2. Nc3 c6 3. g3 d5 4. cxd5 cxd5 5. Nf3 Nc6 6. d4 Bg4 7. Bg2 e6 8. 0-0 Bd6 9. Re1 Ne4 10. Nxe4 dxe4 11. Ng5 Bb4 12. Bd2 Bxd2 13. Qxd2 Nxd4 14. Qf4 Bf5 15. g4 h6 16. Nxe4 Bxe4 17. Qxe4 Nc6 18. Red1 Qb6 19. Rab1 0-0 20. b4 Rfd8 21. Rxd8+ Rxd8 22. b5 Rd4 23. bxc6 Qd8 24. Qxd4 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2009.05.23"]
[Round "8"]
[White "Verseef, Yvar"]
[Black "Roeleveld, Koos"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "65"]
[EventDate "2009.05.21"]
[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 d5 2. exd5 c6 3. dxc6 Nxc6 4. Bc4 Bf5 5. Nf3 Nf6 6. 0-0 e6 7. Nc3 Bd6 8. Bb5 0-0 9. Bxc6 bxc6 10. d3 Qc7 11. h3 h6 12. Nd4 Bg6 13. Qf3 Rac8 14. Bxh6 e5 15. Nb3 Rfe8 16. Bd2 e4 17. dxe4 Nxe4 18. Rac1 Rcd8 19. Nxe4 Bxe4 20. Qc3 Be5 21. Qc4 Re6 22. Ba5 Qd6 23. Bxd8 Bd5 24. Qd3 Rg6 25. f3 Bh2+ 26. Kh1 Rxg2 27. Kxg2 Qg3+ 28. Kh1 Qxh3 29. Qe2 Bf4+ 30. Kg1 Qg3+ 31. Qg2 Be3+ 32. Kh1 Qf4 33. Bg5 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2009.05.22"]
[Round "4"]
[White "Keuning, Selwin"]
[Black "Roeleveld, Koos"]
[Result "0-1"]
[ECO "C88"]
[PlyCount "80"]
[EventDate "2009.05.21"]
[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. Bb5 Nf6 4. 0-0 d6 5. Re1 Be7 6. d4 a6 7. Ba4 b5 8. Bb3 0-0 9. h3 Bb7 10. d5 Na5 11. Nbd2 c6 12. dxc6 Bxc6 13. c3 Nb7 14. Bc2 Re8 15. Nf1 h6 16. Ng3 Bf8 17. a4 Qc7 18. Bd2 Rad8 19. b4 d5 20. a5 dxe4 21. Nxe4 Nxe4 22. Bxe4 Bxe4 23. Rxe4 Nd6 24. Rxe5 Rxe5 25. Nxe5 Ne4 26. Nf3 Nxc3 27. Rc1 Rxd2 28. Nxd2 Ne2+ 29. Qxe2 Qxc1+ 30. Nf1 Qc3 31. Qe4 Qxb4 32. Qe8 Qxa5 33. Ne3 Qe1+ 34. Kh2 Qxf2 35. Nd5 Qc5 36. Qe4 Bd6+ 37. g3 Bf8 38. Nf4 b4 39. Qf3 Qc2+ 40. Kh1 b3 0-1

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2009.05.22"]
[Round "5"]
[White "Roeleveld, Koos"]
[Black "Witsenburg, Tom"]
[Result "1/2-1/2"]
[ECO "A50"]
[PlyCount "116"]
[EventDate "2009.05.21"]
[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 b6 2. d4 Bb7 3. d5 Nf6 4. Nc3 e6 5. a3 exd5 6. cxd5 d6 7. g3 Be7 8. Bg2 Nbd7 9. e4 0-0 10. f4 Ba6 11. Nge2 Re8 12. 0-0 Bf8 13. Re1 Bxe2 14. Rxe2 Qc8 15. b4 a5 16. b5 Be7 17. Bh3 Qd8 18. a4 Kh8 19. e5 dxe5 20. fxe5 Nxe5 21. Bf4 Bc5+ 22. Kh1 Ng6 23. Rxe8+ Qxe8 24. Bxc7 Qe3 25. Rc1 Ne4 26. Nxe4 Qxe4+ 27. Bg2 Qd4 28. Qxd4 Bxd4 29. d6 Rf8 30. d7 Bf6 31. Bxb6 Ne5 32. Rc8 Nxd7 33. Rxf8+ Nxf8 34. Bxa5 Ne6 35. Bb4 Bd8 36. a5 Nc7 37. b6 Na6 38. Bd2 Kg8 39. Bf4 Kf8 40. b7 Bxa5 41. b8Q+ Nxb8 42. Bxb8 Ke7 43. h3 Bb6 44. g4 Bf2 45. Be4 h6 46. Kg2 Bh4 47. Be5 Bf6 48. Bxf6+ Kxf6 49. Kf3 g5 50. Bd5 Kg6 51. Be4+ Kf6 52. Bb1 Ke5 53. Ke3 f6 54. Bc2 Kd5 55. Kf3 Kd4 56. Bf5 Ke5 57. Kg3 Kd4 58. h4 Ke5 1/2-1/2

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2009.05.22"]
[Round "6"]
[White "Verweij, Florian"]
[Black "Roeleveld, Koos"]
[Result "1/2-1/2"]
[ECO "D92"]
[PlyCount "86"]
[EventDate "2009.05.21"]
[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 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 0-0 6. cxd5 Nxd5 7. g3 Nxf4 8. gxf4 Nc6 9. e3 Bf5 10. Bd3 Bxd3 11. Qxd3 Nb4 12. Qd2 Nd5 13. 0-0 Rc8 14. Ne4 Nb6 15. Ng3 c5 16. Rac1 cxd4 17. Rxc8 Qxc8 18. Nxd4 Rd8 19. Rc1 Qb8 20. Nge2 Nd7 21. Qc2 Nf6 22. Qc7 Nd5 23. Qxb8 Rxb8 24. e4 Nxf4 25. Nxf4 Bxd4 26. b3 e5 27. Nd5 Kg7 28. Rc7 b5 29. b4 h5 30. Kg2 g5 31. h3 Rd8 32. Rc6 f5 33. Rc7+ Kf8 34. f3 fxe4 35. fxe4 Rd6 36. Kf3 Ra6 37. Rc2 Ra3+ 38. Kg2 h4 39. Kh2 Rg3 40. Rg2 Rxg2+ 41. Kxg2 Kg7 42. Kf3 Kh7 43. Kg4 Kg6 1/2-1/2

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2009.05.21"]
[Round "1"]
[White "Roeleveld, Koos"]
[Black "Aarsen, Tijs"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "27"]
[EventDate "2009.05.21"]
[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. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bf4 e5 6. Bg3 Bb4 7. Nf3 f6 8. Bc4 Nge7 9. 0-0 Qa5 10. Nd5 Nxd5 11. Bxd5 Bc5 12. Bh4 Nb4 13. Nxe5 fxe5 14. Qh5+ 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2009.05.21"]
[Round "3"]
[White "Roeleveld, Koos"]
[Black "Zwirs, Jasper"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "153"]
[EventDate "2009.05.21"]
[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. Bc4 Na5 5. Qxd4 Nxc4 6. Qxc4 Be7 7. Ne5 d5 8. exd5 Bd6 9. Nf3 Nf6 10. 0-0 0-0 11. Nc3 Bg4 12. Qd3 h6 13. h3 Bh5 14. Nh4 Nxd5 15. Nxd5 Qxh4 16. Ne3 Rad8 17. Qb3 Qf4 18. Ng4 Qf5 19. Nh2 Rfe8 20. Be3 Qe5 21. g3 Qe7 22. Rfe1 Qd7 23. Qxb7 Qxh3 24. Qg2 Qf5 25. Rac1 Qa5 26. a3 Bg6 27. c4 Bc5 28. b4 Bxb4 29. axb4 Qxb4 30. Qf1 Bd3 31. Qh3 Bxc4 32. Qg4 a5 33. Qxc4 Qb2 34. Rb1 Qf6 35. Ng4 Qg6 36. Nh2 c6 37. Nf3 Rxe3 38. Rxe3 Qxb1+ 39. Kg2 Qb5 40. Ne5 Qxc4 41. Nxc4 Ra8 42. Ra3 a4 43. Nb6 Ra6 44. Nxa4 Kh7 45. Ra2 Kg6 46. Nc3 Rxa2 47. Nxa2 Kf5 48. Kf3 Ke5 49. Ke3 g5 50. Nc1 f5 51. Nd3+ Kd5 52. f4 gxf4+ 53. Kxf4 Ke6 54. Ne1 c5 55. Nc2 Kf6 56. Ne3 h5 57. Nxf5 c4 58. Nd6 c3 59. Ne4+ Kg6 60. Nxc3 Kf6 61. Ne4+ Kg6 62. Ke5 Kg7 63. Kf5 Kh6 64. Nf6 h4 65. g4 h3 66. Ne4 h2 67. Nf2 Kg7 68. g5 Kf7 69. Kg4 Kg6 70. Kh4 Kh7 71. Kh5 Kg7 72. g6 Kg8 73. Kh6 Kh8 74. Nh1 Kg8 75. g7 Kf7 76. Kh7 Kf6 77. g8Q 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2009.05.21"]
[Round "2"]
[White "Vereggen, Lars"]
[Black "Roeleveld, Koos"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1989"]
[PlyCount "59"]
[EventDate "2009.05.21"]
[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 Bc5 5. Be3 Qf6 6. Nb5 Bxe3 7. fxe3 Qd8 8. N1c3 a6 9. Nd4 Nge7 10. Bc4 Ne5 11. Bb3 c5 12. Nf3 Nxf3+ 13. Qxf3 0-0 14. 0-0 Qe8 15. Rad1 Nc6 16. Nd5 Qd8 17. Qg3 b5 18. c3 c4 19. Bc2 f6 20. Qh4 Ne5 21. Qg3 d6 22. Nxf6+ Rxf6 23. Qxe5 Rxf1+ 24. Kxf1 Qf8+ 25. Qf4 Bg4 26. Rd4 h5 27. Qxf8+ Rxf8+ 28. Ke1 Rf6 29. h3 Bd7 30. e5 1-0

[Event "Delft Prinsenstad op-C"]
[Site "Delft"]
[Date "2009.01.03"]
[Round "4"]
[White "Van Heeren, Arie"]
[Black "Roeleveld, Koos"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1683"]
[BlackElo "1438"]
[PlyCount "82"]
[EventDate "2009.01.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Bd7 7. b4 c4 8. Be2 a5 9. Bb2 Nge7 10. Nbd2 Ng6 11. Bxc4 dxc4 12. Nxc4 Qb5 13. Qd3 Qa6 14. b5 Qa7 15. bxc6 Bxc6 16. Bc1 Be7 17. Be3 0-0 18. d5 Qa6 19. dxc6 Qxc6 20. 0-0 h5 21. Nb6 Rad8 22. Qc4 Qe8 23. a4 h4 24. Qb5 h3 25. gxh3 f5 26. Qxe8 Rdxe8 27. Nd7 Rf7 28. Rab1 f4 29. Bd4 Rf5 30. Rxb7 Nh4 31. Nxh4 Bxh4 32. f3 Re7 33. Kh1 Kh7 34. Rg1 Rff7 35. Rg4 Be1 36. Nf8+ Kg8 37. Rxe7 Rxe7 38. Ng6 Rb7 39. Nxf4 Rb1 40. Nxe6 Ra1 41. Rxg7+ Kh8 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2007.05.19"]
[Round "7"]
[White "Mostertman, Olav"]
[Black "Roeleveld, Koos"]
[Result "1-0"]
[ECO "C35"]
[WhiteElo "1292"]
[BlackElo "1311"]
[PlyCount "103"]
[EventDate "2007.05.17"]
[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. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. Kf1 Nf6 6. Nxh4 0-0 7. Nc3 Nxe4 8. Nf3 Qe7 9. d3 Nd6 10. Kf2 Nxc4 11. dxc4 Qc5+ 12. Qd4 Qxd4+ 13. Nxd4 c5 14. Nf3 Nc6 15. Re1 Nb4 16. Re2 b6 17. a3 Nc6 18. Bxf4 Ba6 19. b3 Bb7 20. Nd5 Kh8 21. Rae1 h6 22. Nc7 Rac8 23. Re8 Rfxe8 24. Rxe8+ Rxe8 25. Nxe8 g5 26. Be5+ Kh7 27. Nf6+ Kg6 28. Nxd7 g4 29. Nd2 Bc8 30. Nf8+ Kf5 31. Bc3 Ne7 32. Ke3 Kg5 33. Nh7+ Kg6 34. Nf6 Nf5+ 35. Kf4 Nh4 36. Kg3 Nf5+ 37. Kf2 h5 38. Nd5 h4 39. g3 h3 40. b4 Bb7 41. bxc5 bxc5 42. Ne4 Bxd5 43. cxd5 Ne7 44. d6 Nc6 45. Nxc5 f5 46. Nb7 Kf7 47. Na5 Nd8 48. Nc4 Ne6 49. Ne5+ Kf6 50. d7 Ke7 51. Bb4+ Kd8 52. c4 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2007.05.19"]
[Round "8"]
[White "Roeleveld, Koos"]
[Black "Hendrikse, Arnoud"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "1311"]
[BlackElo "1189"]
[PlyCount "43"]
[EventDate "2007.05.17"]
[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. Nc3 Nf6 4. Bb5 e6 5. d4 cxd4 6. Nxd4 a6 7. Bxc6 bxc6 8. e5 Nd5 9. Nxd5 cxd5 10. Be3 d6 11. exd6 Bxd6 12. Nf3 0-0 13. 0-0 Bb7 14. Re1 Re8 15. Bg5 f6 16. Bh4 e5 17. Qe2 e4 18. Nd4 Be5 19. c3 g6 20. Nb3 Bc7 21. Rad1 Bb6 22. Nd4 1/2-1/2

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2007.05.19"]
[Round "9"]
[White "Roeleveld, Koos"]
[Black "Verhoog, Rick"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1311"]
[BlackElo "1559"]
[PlyCount "130"]
[EventDate "2007.05.17"]
[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. exd5 exd5 4. d4 Bd6 5. c4 c6 6. Nc3 Be6 7. cxd5 Bxd5 8. Nxd5 cxd5 9. Bd2 Nf6 10. Be2 0-0 11. 0-0 Nc6 12. Be3 Rc8 13. Qb3 Qe7 14. Rfe1 h6 15. Rad1 Rfe8 16. Bd3 Qd7 17. Nh4 Ng4 18. Bf5 Qe7 19. Nf3 Nxh2 20. Nxh2 Bxh2+ 21. Kxh2 Rcd8 22. Bg5 Qxg5 23. Rxe8+ Rxe8 24. Bh3 Nxd4 25. Qa4 Qe5+ 26. Kh1 Nc6 27. Qb3 Qe2 28. Rxd5 Qf1+ 29. Kh2 Qxf2 30. Rf5 Qe3 31. Qxf7+ Kh8 32. Rf2 Qe5+ 33. Qf4 Qxf4+ 34. Rxf4 g5 35. Rf7 Re7 36. Rf6 Kg7 37. Rf5 Re4 38. Rd5 g4 39. Rd7+ Kf8 40. Bxg4 Rxg4 41. Rxb7 Rc4 42. Rc7 a6 43. Rc8+ Kf7 44. Rc7+ Kg6 45. Rd7 Rd4 46. Rc7 Rd6 47. Rb7 Ne5 48. Rb4 Nd3 49. Rb3 Nc1 50. Rg3+ Kh7 51. Ra3 Ne2 52. Re3 Nf4 53. Re7+ Kg6 54. Re4 Kf5 55. Ra4 Nd3 56. Ra5+ Ke4 57. b3 Kd4 58. Kg3 Nc5 59. b4 Ne4+ 60. Kg4 Rb6 61. a3 Nd6 62. Rh5 Nc4 63. Kf4 Nxa3 64. Kf3 Nc2 65. Rh4+ Kc3 0-1

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2007.05.18"]
[Round "5"]
[White "Edens, Melle"]
[Black "Roeleveld, Koos"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1534"]
[BlackElo "1311"]
[PlyCount "106"]
[EventDate "2007.05.17"]
[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 Nf6 3. Nc3 Nxd5 4. Nf3 Bg4 5. Be2 e6 6. Ne5 Bf5 7. d3 Bd6 8. Nc4 Nd7 9. Nxd5 exd5 10. Nxd6+ cxd6 11. Bf4 Nf6 12. Qd2 Qd7 13. 0-0 0-0 14. Rfe1 Rfe8 15. Bf3 Re6 16. Bg5 Qe7 17. Bxf6 Qxf6 18. c3 Rae8 19. Bxd5 R6e7 20. d4 Qg5 21. Rxe7 Qxe7 22. Kf1 Be6 23. Bxe6 fxe6 24. Re1 Qh4 25. Re3 d5 26. Kg1 Re7 27. Qe2 Qh6 28. Qf3 Qg6 29. Re1 Qc2 30. Qe2 Qa4 31. a3 b5 32. Qd1 Qc4 33. Re5 a5 34. Qe2 Qb3 35. Rxe6 Rxe6 36. Qxe6+ Kf8 37. Qc8+ Ke7 38. Qc7+ Kf6 39. Qe5+ Kf7 40. Qf4+ Ke6 41. Qc1 b4 42. Qe1+ Kd6 43. axb4 axb4 44. cxb4 Qxb2 45. Qe5+ Kc6 46. g3 Qxb4 47. Qxg7 Qe1+ 48. Kg2 Qe4+ 49. Kh3 Qe6+ 50. Qg4 Qe4 51. Qxe4 dxe4 52. Kg4 Kd5 53. Kf4 Kxd4 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2007.05.18"]
[Round "6"]
[White "Roeleveld, Koos"]
[Black "Hermans, Steven"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1311"]
[BlackElo "950"]
[PlyCount "127"]
[EventDate "2007.05.17"]
[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 Bc5 3. Nc3 Nf6 4. Nxe5 d6 5. Nf3 0-0 6. Bc4 Ng4 7. 0-0 Nc6 8. d4 Bb4 9. Bg5 Qe8 10. Re1 Bxc3 11. bxc3 Na5 12. Bb3 b6 13. e5 dxe5 14. dxe5 Nxb3 15. cxb3 Qb5 16. c4 Qc5 17. Qd4 Qc6 18. Qd5 Bb7 19. Qxc6 Bxc6 20. Nd4 Bd7 21. Rad1 Be6 22. Nb5 c5 23. Be7 Rfe8 24. Nc7 Rxe7 25. Nxa8 f6 26. Rd8+ Kf7 27. exf6 Kxf6 28. Rf8+ Bf7 29. Rxe7 Kxe7 30. Rb8 g5 31. Rb7+ Kf6 32. Rxa7 h5 33. Ra6 Kf5 34. Rxb6 Ne5 35. Rb5 Nd3 36. Nb6 Be8 37. Ra5 g4 38. Nd5 h4 39. Ne3+ Kf4 40. Ra8 Bf7 41. Rf8 Ne5 42. Nd5+ Ke4 43. Nc3+ Kf4 44. g3+ hxg3 45. hxg3+ Kf3 46. Na4 Ke2 47. Nxc5 Bh5 48. Rf5 Nf3+ 49. Kg2 Bg6 50. Rf6 Ne5 51. Re6 Be4+ 52. Nxe4 Nd3 53. Nf6+ Kd2 54. Nxg4 Kc2 55. Re2+ Kc3 56. f4 Nc5 57. Rf2 Nd3 58. Rf3 Kd4 59. f5 Ne1+ 60. Kf2 Nxf3 61. Kxf3 Kc5 62. f6 Kd6 63. b4 Kd7 64. a4 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2007.05.18"]
[Round "4"]
[White "Roeleveld, Koos"]
[Black "Van Driel, Dennis"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1311"]
[BlackElo "1216"]
[PlyCount "75"]
[EventDate "2007.05.17"]
[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. Nc3 Nf6 4. Be2 Bc5 5. Nxe5 Nxe5 6. d4 Bxd4 7. Qxd4 Nc6 8. Qd1 d6 9. Bf4 Be6 10. Bf3 0-0 11. 0-0 h6 12. Ne2 Re8 13. Ng3 Bc4 14. Re1 Be6 15. a3 Qc8 16. b4 b5 17. e5 Nd5 18. Bxd5 Bxd5 19. Qxd5 Ne7 20. Qxb5 Rb8 21. Qd3 Ng6 22. Bd2 Nxe5 23. Qd4 Qb7 24. Bc3 f6 25. Qe4 Qc8 26. Qd5+ Kh8 27. Bxe5 dxe5 28. Rad1 Qa6 29. Qd3 Qb7 30. Ne4 Rbd8 31. Nc5 Qb8 32. Qh3 Rc8 33. Ne6 Qb6 34. Nc5 Qb8 35. Rd7 Rg8 36. Ne4 Qb5 37. Nxf6 gxf6 38. Qxh6# 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2007.05.17"]
[Round "3"]
[White "Ng, Wesley"]
[Black "Roeleveld, Koos"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1399"]
[BlackElo "1311"]
[PlyCount "69"]
[EventDate "2007.05.17"]
[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. d4 exd4 4. Nxd4 Bc5 5. Be3 d6 6. Nxc6 bxc6 7. Bxc5 dxc5 8. Qxd8+ Kxd8 9. Nc3 Nf6 10. Bc4 Be6 11. Bxe6 fxe6 12. 0-0-0+ Ke7 13. f3 a5 14. Na4 c4 15. Rd4 Rab8 16. Rxc4 Rb4 17. Rxb4 axb4 18. b3 Kf7 19. Rd1 Ke7 20. Nc5 Ra8 21. Kb2 Rb8 22. Na6 Rb7 23. Rd4 Kf7 24. Rc4 Rb5 25. Rxb4 Rh5 26. Nxc7 Rxh2 27. a4 Rxg2 28. a5 Rg5 29. a6 Ra5 30. Rb7 h5 31. a7 h4 32. Na6+ Kg6 33. a8Q h3 34. Qb8 Rh5 35. Qg3+ 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2007.05.17"]
[Round "1"]
[White "Ratsma, Midas"]
[Black "Roeleveld, Koos"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1559"]
[BlackElo "1311"]
[PlyCount "68"]
[EventDate "2007.05.17"]
[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 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nb6 5. Nc3 e6 6. Nf3 Be7 7. Be3 Nc4 8. Bxc4 Bd7 9. 0-0 0-0 10. Rc1 c6 11. Qd3 b5 12. Bb3 Na6 13. a3 Bc8 14. Bc2 Qe8 15. e5 g6 16. Bh6 f5 17. Bxf8 Bxf8 18. b4 Bb7 19. Rb1 Rd8 20. Rfd1 c5 21. Nxb5 cxb4 22. Nd6 Bxd6 23. exd6 Rxd6 24. axb4 Nc7 25. Bb3 Be4 26. Qe3 Bxb1 27. Rxb1 Qf8 28. g3 a6 29. Ng5 Qe7 30. Re1 Kf8 31. Nxe6+ Nxe6 32. Bxe6 Rb6 33. Qh6+ Qg7 34. Qxg7+ Kxg7 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2007.05.17"]
[Round "2"]
[White "Roeleveld, Koos"]
[Black "Gieben, Stijn"]
[Result "0-1"]
[ECO "D06"]
[WhiteElo "1311"]
[BlackElo "1418"]
[PlyCount "64"]
[EventDate "2007.05.17"]
[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 d5 2. c4 c5 3. Nf3 cxd4 4. Qxd4 Nf6 5. Nc3 Nc6 6. Qd1 d4 7. Nb5 e5 8. Nxe5 Nxe5 9. Bf4 Bb4+ 10. Bd2 Bxd2+ 11. Qxd2 Nxc4 12. Qc2 Qa5+ 13. Nc3 dxc3 14. Qxc3 Qxc3+ 15. bxc3 Bf5 16. e4 Be6 17. Bd3 0-0-0 18. Bc2 Na3 19. Ba4 b5 20. Bd1 Bc4 21. f3 Rhe8 22. Kf2 Rd2+ 23. Kg3 Nh5+ 24. Kh3 Nf4+ 25. Kg3 Nxg2 26. Bb3 Kb7 27. Rhg1 Bxb3 28. axb3 Nc2 29. Ra2 Nge3 30. Re1 Red8 31. Kh3 Nxe1 32. Rxd2 Rxd2 0-1

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2007.04.07"]
[Round "8"]
[White "Bekkink, Sereyo"]
[Black "Roeleveld, Koos"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "48"]
[EventDate "2007.04.06"]
[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. Bd3 dxe4 7. Bxe4 Bd6 8. 0-0 Be6 9. d3 Qd7 10. Bg5 f6 11. Be3 0-0-0 12. d4 exd4 13. Bxd4 h5 14. Be3 h4 15. h3 Bxh3 16. gxh3 Qxh3 17. Qc1 Qg4+ 18. Kh1 Qxe4 19. Qd1 Ne5 20. Rg1 Nxf3 21. Rg2 h3 22. Rxg7 Ng5+ 23. Qf3 Qxf3+ 24. Kg1 Qg2# 0-1

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2007.04.07"]
[Round "6"]
[White "Casteleijn, Robert"]
[Black "Roeleveld, Koos"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "156"]
[EventDate "2007.04.06"]
[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 Qd8 8. d3 Bb4 9. Bd2 Be6 10. Qe2 Bd6 11. b3 Qd7 12. 0-0-0 0-0-0 13. Rde1 f6 14. h3 h5 15. Nb5 a6 16. Nxd6+ Qxd6 17. Kb2 g5 18. d4 Nxd4 19. Nxd4 Qxd4+ 20. Bc3 Qd5 21. f3 Rde8 22. Rd1 Qc5 23. b4 Qc4 24. Qxc4 Bxc4 25. Rhg1 b5 26. Rde1 Kb7 27. Re3 Re6 28. Rge1 Rd8 29. g3 Rde8 30. f4 gxf4 31. gxf4 exf4 32. Rxe6 Rxe6 33. Rxe6 Bxe6 34. Bxf6 Bxh3 35. Bh4 Bg4 36. Kb3 Kc6 37. Kc3 Kd5 38. Kd3 Bf5+ 39. Ke2 Bxc2 40. Bg5 Bb1 41. a3 Kc4 42. Bxf4 Kb3 43. Bc1 h4 44. Kf2 h3 45. Kg3 Bf5 46. Kh2 Ka4 47. Kg1 a5 48. bxa5 Kxa5 49. Bf4 c5 50. Kf1 Ka4 51. Bd6 c4 52. Ke2 Kb3 53. Kd1 c3 54. Kc1 c2 55. Be5 Kxa3 56. Bb2+ Kb3 57. Be5 b4 58. Bd6 Kc3 59. Be5+ Kd3 60. Bd6 b3 61. Be5 Ke2 62. Bf4 Kf3 63. Be5 Kg2 64. Bf4 h2 65. Bxh2 Kxh2 66. Kb2 Kg2 67. Kc1 Kf1 68. Kb2 Ke1 69. Kc1 Be6 70. Kb2 Kd1 71. Ka3 c1R 72. Kb2 Rc2+ 73. Kb1 Rh2 74. Ka1 b2+ 75. Kb1 Bf5+ 76. Ka2 b1R+ 77. Ka3 Be6 78. Ka4 Ra2# 0-1

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2007.04.07"]
[Round "7"]
[White "Roeleveld, Koos"]
[Black "Van Haastere, Jasper"]
[Result "1-0"]
[ECO "D21"]
[PlyCount "55"]
[EventDate "2007.04.06"]
[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 c5 4. Nf3 e6 5. Bxc4 cxd4 6. Nxd4 e5 7. Nc2 Qxd1+ 8. Kxd1 Nf6 9. Nc3 Bc5 10. Be3 Bxe3 11. Nxe3 Nc6 12. Kd2 0-0 13. Rad1 Nd4 14. Kc1 a6 15. Ned5 Nxd5 16. Nxd5 b5 17. Bb3 Bd7 18. f4 Ne2+ 19. Kb1 Nxf4 20. Ne7+ Kh8 21. Rxd7 Nxg2 22. Nc6 Rac8 23. Nxe5 Rfe8 24. Nxf7+ Kg8 25. Nd6+ Kh8 26. Nxe8 Rxe8 27. Rg1 Nh4 28. Rgxg7 1-0

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2007.04.07"]
[Round "9"]
[White "Roelofs, Rik"]
[Black "Roeleveld, Koos"]
[Result "1/2-1/2"]
[ECO "D35"]
[PlyCount "124"]
[EventDate "2007.04.06"]
[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 e6 2. c4 d5 3. cxd5 exd5 4. Nc3 Nf6 5. Bg5 Nc6 6. Nf3 Be7 7. e3 Be6 8. Bb5 0-0 9. Bxc6 bxc6 10. 0-0 Qd7 11. Ne5 Qe8 12. Rc1 c5 13. Ne2 c4 14. Qc2 Ne4 15. Bxe7 Qxe7 16. Nc3 Nxc3 17. bxc3 c5 18. Rfe1 Qg5 19. Nf3 Bg4 20. Ne5 f6 21. Nxg4 Qxg4 22. Qe2 Qxe2 23. Rxe2 cxd4 24. cxd4 Rae8 25. g3 f5 26. Rb1 Re7 27. Rb5 Rd8 28. Reb2 g5 29. Rb7 Rxb7 30. Rxb7 Rc8 31. Rb1 Kf7 32. Kf1 Kg6 33. Ke2 Kh5 34. Rb7 h6 35. Rd7 c3 36. Kd1 Kg4 37. Rxd5 Rb8 38. Rc5 Rb2 39. d5 Rxa2 40. d6 Rd2+ 41. Ke1 Rxd6 42. Rxc3 Kh3 43. Rc5 Kxh2 44. Rxf5 Kg2 45. Rf7 a5 46. Ra7 Rc6 47. Rxa5 Rc1+ 48. Kd2 Rf1 49. Ra6 Rxf2+ 50. Kd3 Kxg3 51. Rxh6 g4 52. e4 Rf3+ 53. Ke2 Kf4 54. Rf6+ Kxe4 55. Rxf3 gxf3+ 56. Kf2 Kf4 57. Kf1 Kg3 58. Kg1 Kf4 59. Kf2 Ke4 60. Ke1 Kd3 61. Kf2 Ke4 62. Ke1 Ke3 1/2-1/2

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2007.04.06"]
[Round "1"]
[White "Moers, Lennard"]
[Black "Roeleveld, Koos"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "89"]
[EventDate "2007.04.06"]
[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 Nxd4 5. Qxd4 b6 6. Bc4 d6 7. Bf4 Nf6 8. Nc3 Be7 9. 0-0-0 Be6 10. Bb5+ Bd7 11. f3 Bxb5 12. Nxb5 0-0 13. Qc4 Qd7 14. Qxc7 Qxc7 15. Nxc7 Rac8 16. Nb5 Ne8 17. Nxa7 Rc5 18. Rd5 Nf6 19. Rxc5 dxc5 20. Nc6 Re8 21. Nxe7+ Rxe7 22. Rd1 h6 23. Rd6 Ne8 24. Rxb6 g5 25. Bd6 Nxd6 26. Rxd6 Kg7 27. Rc6 Re5 28. b3 f5 29. exf5 Rxf5 30. Kd2 g4 31. Ke3 gxf3 32. gxf3 Re5+ 33. Kf4 Re2 34. Rxc5 Rxh2 35. a4 Rh4+ 36. Ke3 Rb4 37. a5 Rb8 38. a6 Ra8 39. Rc7+ Kf6 40. a7 Kg5 41. Kf2 h5 42. b4 h4 43. b5 h3 44. b6 h2 45. Rh7 1-0

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2007.04.06"]
[Round "5"]
[White "Roeleveld, Koos"]
[Black "Berger, Julian"]
[Result "0-1"]
[ECO "D35"]
[PlyCount "50"]
[EventDate "2007.04.06"]
[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 e6 2. c4 d5 3. cxd5 exd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 Bd6 7. e3 Bxf4 8. exf4 0-0 9. Be2 Bf5 10. 0-0 Ne4 11. Nxe4 dxe4 12. Ne5 Nxd4 13. Bg4 Bxg4 14. Qxg4 f5 15. Qd1 c5 16. Qc1 Ne2+ 17. Kh1 Nxc1 18. Raxc1 Rc8 19. Rfd1 Qh4 20. g3 Qe7 21. Rd7 Qe8 22. Rxb7 Qa4 23. Nc4 Qxa2 24. Nd6 Qa6 25. Re7 Qxd6 0-1

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2007.04.06"]
[Round "3"]
[White "Roeleveld, Koos"]
[Black "Ducarmon, Renzo"]
[Result "1-0"]
[ECO "D07"]
[PlyCount "75"]
[EventDate "2007.04.06"]
[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 e6 3. Nc3 Nf6 4. Nf3 Nc6 5. e3 Bd7 6. Bd2 Be7 7. c5 b6 8. cxb6 axb6 9. Be2 0-0 10. 0-0 Bd6 11. Qc2 e5 12. Nb5 e4 13. Ne5 Bxe5 14. dxe5 Nxe5 15. Qxc7 Qxc7 16. Nxc7 Rac8 17. Na6 Rc2 18. Bc3 Rxe2 19. Bxe5 Ng4 20. Bc3 f5 21. Nb4 Be6 22. h3 Nh6 23. Nc6 f4 24. Nd4 f3 25. Nxe6 Rf5 26. Nd4 Rg5 27. Nxe2 fxe2 28. Rfe1 Nf5 29. Rxe2 Nh4 30. g3 Nf3+ 31. Kg2 Nh4+ 32. Kf1 Nf3 33. Rc1 h5 34. h4 Rg4 35. Bd4 g5 36. Rc8+ Kh7 37. hxg5 Rxg5 38. Rh8+ 1-0

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2007.04.06"]
[Round "2"]
[White "Roeleveld, Koos"]
[Black "Van Starkenburg, Thomas"]
[Result "1-0"]
[ECO "C65"]
[PlyCount "53"]
[EventDate "2007.04.06"]
[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 Bc5 5. d3 a6 6. Bxc6 dxc6 7. Nxe5 0-0 8. 0-0 Bd4 9. Nf3 Bg4 10. Be3 Bxf3 11. Qxf3 Bxe3 12. fxe3 b5 13. a3 c5 14. e5 Nd7 15. d4 cxd4 16. exd4 f5 17. Nd5 c6 18. Nb4 Rc8 19. Nxc6 Qg5 20. Qd5+ Rf7 21. e6 Qe3+ 22. Kh1 Rd8 23. exf7+ Kf8 24. Nxd8 Qe7 25. Nc6 Qf6 26. Qxd7 h5 27. Qe8# 1-0

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2007.04.06"]
[Round "4"]
[White "Van Trijp, Robin"]
[Black "Roeleveld, Koos"]
[Result "1-0"]
[ECO "C65"]
[PlyCount "73"]
[EventDate "2007.04.06"]
[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. Bb5 d6 4. d3 Nf6 5. Bg5 Be7 6. c3 Be6 7. Nbd2 Qd7 8. Ba4 0-0-0 9. d4 exd4 10. cxd4 d5 11. e5 Ng8 12. Bxe7 Ngxe7 13. Nb3 h5 14. Na5 b6 15. Nxc6 Nxc6 16. Rc1 h4 17. Bxc6 Qe7 18. Qa4 Rdg8 19. Qa6+ Kd8 20. Qxa7 g5 21. Qb8+ Bc8 22. Bb7 Kd7 23. Qxc7+ Ke6 24. Qxb6+ Kf5 25. Bxd5 h3 26. Rc7 Qd8 27. Rxf7+ Kg4 28. Be6+ Bxe6 29. Qxe6+ Kh5 30. Qxh3+ Kg6 31. Qf5+ Kh6 32. Rf6+ Qxf6 33. Qxf6+ Kh5 34. Qf7+ Rg6 35. g4+ Kh6 36. h4 Rc8 37. hxg5# 1-0

