[Event "NED-ch U17"]
[Site "Haarlem"]
[Date "2010.05.08"]
[Round "9"]
[White "Van der Knijff, Bernhard"]
[Black "Claessen, Remco"]
[Result "1-0"]
[ECO "D15"]
[PlyCount "99"]
[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. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Bf5 5. Nh4 Bd7 6. Bg5 e6 7. c5 b6 8. b4 Be7 9. Nf3 Bc8 10. e3 bxc5 11. bxc5 Ba6 12. Bxa6 Nxa6 13. Qa4 Qc8 14. Ne5 Nb8 15. 0-0 Nfd7 16. Bxe7 Kxe7 17. Nf3 Nf6 18. Rab1 Nbd7 19. Nd2 Qc7 20. f3 Rhb8 21. Nb3 a5 22. Nd2 Rb7 23. Rxb7 Qxb7 24. Rb1 Qa6 25. Qc2 Kf8 26. h3 g6 27. e4 Kg7 28. e5 Ne8 29. Kf2 Nc7 30. a4 Ne8 31. h4 Rb8 32. Rxb8 Nxb8 33. Ne2 Qb7 34. Qb3 Qa7 35. Qb6 Qxb6 36. cxb6 Kf8 37. Nb3 Ke7 38. Nxa5 Kd7 39. Nb7 Na6 40. Nc5+ Nxc5 41. dxc5 Kc8 42. Nc3 f6 43. f4 fxe5 44. fxe5 Ng7 45. Na2 Nf5 46. Nb4 Kb7 47. a5 Nd4 48. Ke3 Nb5 49. a6+ Ka8 50. b7+ 1-0

[Event "NED-ch U17"]
[Site "Haarlem"]
[Date "2010.05.07"]
[Round "8"]
[White "Lentjes, Noud"]
[Black "Van der Knijff, Bernhard"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "1907"]
[PlyCount "119"]
[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 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 cxd4 9. cxd4 f6 10. exf6 Nxf6 11. 0-0 Bd6 12. Nc3 0-0 13. Na4 Qc7 14. Re1 Bd7 15. Nc3 a6 16. h3 Rae8 17. Bg5 Bf4 18. Bh4 g6 19. Qb1 Kg7 20. Ne2 Bd6 21. Bg5 Nb4 22. Nc3 Nxd3 23. Qxd3 Nh5 24. Ne5 Rf5 25. Qe3 Bxe5 26. dxe5 Qc4 27. g4 d4 28. Bh6+ Kg8 29. Qe2 Qxe2 30. Nxe2 Rxe5 31. gxh5 Rxh5 32. Bf4 d3 33. Ng3 Rb5 34. Rad1 e5 35. Bh6 Rxb2 36. Ne4 Rb6 37. Rxd3 Bf5 38. Rb3 Rc6 39. Ng5 b5 40. Rbe3 Rc5 41. f4 e4 42. Nxe4 Bxe4 43. Rxe4 Rxe4 44. Rxe4 Rh5 45. Bg5 Rxh3 46. Re8+ Kf7 47. Re7+ Kg8 48. Bf6 h6 49. Rg7+ Kf8 50. Ra7 Rd3 51. Rxa6 Kf7 52. Be5 g5 53. f5 Rf3 54. Ra7+ Kf8 55. f6 Rf5 56. Bd6+ Kg8 57. Rg7+ Kh8 58. Be7 h5 59. Kg2 Rd5 60. f7 1-0

[Event "NED-ch U17"]
[Site "Haarlem"]
[Date "2010.05.06"]
[Round "7"]
[White "Van der Knijff, Bernhard"]
[Black "Schelvis, Richard"]
[Result "1-0"]
[ECO "D85"]
[PlyCount "75"]
[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. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Rb1 Bg7 8. Nf3 Nc6 9. d5 Ne5 10. Nxe5 Bxe5 11. Bb5+ Bd7 12. Qb3 b6 13. f4 Bg7 14. 0-0 0-0 15. Bc4 Kh8 16. Be3 Qe8 17. e5 Rb8 18. Rbe1 Ba4 19. Qb2 Qd7 20. Qd2 b5 21. Be2 c4 22. Bf3 Rfd8 23. Bd4 Qc7 24. Qf2 a5 25. Be4 b4 26. f5 Be8 27. fxg6 hxg6 28. Qh4+ Kg8 29. Rf3 b3 30. Rh3 b2 31. Bxg6 Rxd5 32. Qh7+ Kf8 33. Be4 Rdd8 34. Rg3 Ba4 35. Qxg7+ Ke8 36. Qg8+ Kd7 37. Qxf7 Rf8 38. e6+ 1-0

[Event "NED-ch U17"]
[Site "Haarlem"]
[Date "2010.05.04"]
[Round "6"]
[White "Van der Knijff, Bernhard"]
[Black "Tjahjadi, Philip"]
[Result "1-0"]
[ECO "D10"]
[PlyCount "47"]
[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. d4 d5 2. c4 c6 3. Nc3 e5 4. cxd5 cxd5 5. e3 e4 6. Qb3 Ne7 7. Bd2 g6 8. Nge2 Nbc6 9. Nf4 Be6 10. Qxb7 Rb8 11. Qa6 Rxb2 12. Bb5 Qd6 13. Nxe6 fxe6 14. Na4 Rc2 15. Kd1 Rxd2+ 16. Kxd2 Kf7 17. Nc5 Bh6 18. Bxc6 Nxc6 19. Qb7+ Kf6 20. Ke2 Kg5 21. Qf7 e5 22. Ne6+ Kh5 23. g4+ Kxg4 24. Rhg1+ 1-0

[Event "NED-ch U17"]
[Site "Haarlem"]
[Date "2010.05.03"]
[Round "5"]
[White "Hendrikx, Thijs"]
[Black "Van der Knijff, Bernhard"]
[Result "1-0"]
[ECO "C06"]
[PlyCount "81"]
[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 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 cxd4 9. cxd4 Be7 10. 0-0 f6 11. exf6 Nxf6 12. Nf4 Bd6 13. Re1 Bxf4 14. Bxf4 0-0 15. a3 Bd7 16. b4 Nh5 17. Bd6 Rf6 18. Ne5 Nxe5 19. Bxe5 Be8 20. Bxf6 Nxf6 21. Rb1 Bh5 22. Qd2 Rf8 23. h3 Kh8 24. Qc3 Nd7 25. Rb2 Rf4 26. Rc2 Nf8 27. Qc5 Qxc5 28. dxc5 Rd4 29. Bb5 a6 30. Bf1 Be8 31. Rb2 Kg8 32. b5 a5 33. Rc1 Ng6 34. c6 bxc6 35. bxc6 Bxc6 36. Rxc6 Kf7 37. Rb1 Ne5 38. Ra6 g5 39. Rxa5 g4 40. hxg4 Rxg4 41. Be2 1-0

[Event "NED-ch U17"]
[Site "Haarlem"]
[Date "2010.05.01"]
[Round "3"]
[White "Van der Auweraert, Elwin"]
[Black "Van der Knijff, Bernhard"]
[Result "1-0"]
[ECO "C06"]
[PlyCount "79"]
[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 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 cxd4 9. cxd4 Be7 10. 0-0 f6 11. exf6 Nxf6 12. Nf4 Nb4 13. Bb1 Bd6 14. Re1 Bxf4 15. Bxf4 0-0 16. Bg5 Nc6 17. Bxf6 Rxf6 18. Qd3 g6 19. a3 Rxf3 20. Qxf3 Qxb2 21. Ra2 Qxd4 22. Rd1 Qg7 23. Rad2 Ne5 24. Qb3 Nc4 25. Re2 b6 26. Qg3 Bd7 27. Ba2 b5 28. Qc7 Nb6 29. h4 Qf7 30. Re3 Nc4 31. Rf3 Qg7 32. Bxc4 bxc4 33. Rb1 Rc8 34. Rb8 Re8 35. Rb7 Rc8 36. Rb8 Re8 37. Rd8 Ba4 38. Qd6 Qa1+ 39. Kh2 Kg7 40. Rxe8 1-0

[Event "NED-ch U17"]
[Site "Haarlem"]
[Date "2010.04.30"]
[Round "2"]
[White "Van der Knijff, Bernhard"]
[Black "Knottnerus, Ivo"]
[Result "0-1"]
[ECO "D85"]
[PlyCount "60"]
[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. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Rb1 c5 8. Nf3 0-0 9. Be3 Nc6 10. Qd2 Bg4 11. d5 Bxf3 12. gxf3 Ne5 13. Be2 b6 14. f4 Nd7 15. h4 e5 16. f5 Nf6 17. h5 Nxe4 18. Qd3 gxf5 19. h6 Bf6 20. Rg1+ Kh8 21. f3 c4 22. Qc2 Bh4+ 23. Kf1 Ng3+ 24. Rxg3 Bxg3 25. Qxf5 Qh4 26. Rb4 Qh1+ 27. Bg1 Qxh6 28. Rxc4 Rg8 29. Bd3 Qc1+ 30. Kg2 Bf2+ 0-1

[Event "NED-ch U17"]
[Site "Haarlem"]
[Date "2010.04.29"]
[Round "1"]
[White "Ten Hertog, Hugo"]
[Black "Van der Knijff, Bernhard"]
[Result "1-0"]
[ECO "C12"]
[WhiteElo "2194"]
[PlyCount "71"]
[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 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 Kf8 9. Qf4 c5 10. Bd3 Nxd2 11. Qxd2 Qa5 12. dxc5 Qxc5 13. Nf3 Nc6 14. 0-0 Bd7 15. Rab1 Na5 16. c4 Ke7 17. Be4 dxc4 18. Qf4 Rhd8 19. Qh4+ Kf8 20. Bxb7 Rab8 21. Be4 c3 22. Rfd1 Qe7 23. Qf4 Nc4 24. Rxb8 Rxb8 25. h3 Nb2 26. Rd4 Rb4 27. Qe3 Qc5 28. Rxb4 Qxb4 29. Qxa7 Ke8 30. Nd4 Qc4 31. Qb8+ Qc8 32. Qb4 Qc7 33. Nb5 Bxb5 34. Qxb5+ Ke7 35. Bc6 Nd1 36. Qc5+ 1-0

[Event "NED-ch U15"]
[Site "Venlo"]
[Date "2009.05.02"]
[Round "9"]
[White "Meng, Roger"]
[Black "Van der Knijff, Bernhard"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1994"]
[BlackElo "1707"]
[PlyCount "109"]
[EventDate "2009.04.24"]
[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. Nb3 Bb6 6. Nc3 Qf6 7. Qe2 Nge7 8. Be3 Bxe3 9. Qxe3 d6 10. 0-0-0 Bd7 11. Bc4 Ne5 12. Be2 N5g6 13. g3 Ne5 14. h3 h5 15. f4 N5c6 16. Bc4 Qh6 17. Rd2 Ne5 18. Be2 Bc6 19. Qf2 Nd7 20. Re1 Nb6 21. Bf1 0-0-0 22. Qd4 h4 23. Qf2 hxg3 24. Qxg3 Qh4 25. Re3 Rdg8 26. Nd4 Bd7 27. b3 Ng6 28. Rf2 Qxg3 29. Rxg3 Rh4 30. Nce2 Kd8 31. Nf3 Rh5 32. f5 Ne5 33. Nf4 Rh6 34. Nxe5 dxe5 35. Nd3 f6 36. Rfg2 Rh7 37. Nc5 Bc8 38. a4 a5 39. b4 axb4 40. a5 Nd7 41. Ne6+ Ke7 42. Nxc7 Kd6 43. Nd5 Rgh8 44. Rxg7 Rxh3 45. Rd2 Rh1 46. Nxf6+ Kc5 47. Nxd7+ Bxd7 48. Rgxd7 Rxf1+ 49. Kb2 Rhh1 50. R2d5+ Kc6 51. R7d6+ Kc7 52. Kb3 Rb1+ 53. Kc4 Rhc1 54. Rd7+ Kc8 55. Kb5 1-0

[Event "NED-ch U15"]
[Site "Venlo"]
[Date "2009.05.01"]
[Round "8"]
[White "Van der Knijff, Bernhard"]
[Black "Kirana, Marco"]
[Result "1/2-1/2"]
[ECO "A76"]
[WhiteElo "1707"]
[BlackElo "1959"]
[PlyCount "121"]
[EventDate "2009.04.24"]
[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 c5 2. d5 e6 3. c4 Nf6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 0-0 9. 0-0 Re8 10. Qc2 a6 11. a4 Nbd7 12. Bf4 Qe7 13. Nd2 h6 14. Rae1 g5 15. Bg3 Nh7 16. Bg4 Ne5 17. Bxc8 Raxc8 18. Nd1 Nf8 19. Ne3 Nfg6 20. Nf5 Qd7 21. Nc4 Nxc4 22. Qxc4 b5 23. axb5 axb5 24. Qe2 Qxf5 25. exf5 Rxe2 26. Rxe2 Ne5 27. Rfe1 c4 28. Rc2 Nd3 29. Rb1 Rc5 30. b3 c3 31. Bxd6 Rxd5 32. Be7 Rxf5 33. Rd1 Rd5 34. Kf1 b4 35. g3 Rd7 36. Ke2 Nf4+ 37. gxf4 Rxe7+ 38. Kf3 gxf4 39. Rd8+ Kh7 40. Rb8 Rd7 41. Rxb4 Be5 42. Re4 f6 43. b4 Rd5 44. Rc4 Kg6 45. R2xc3 Bxc3 46. Rxc3 Rh5 47. Kg2 Rg5+ 48. Kf1 Rb5 49. Rc4 f3 50. Ke1 Re5+ 51. Kf1 Rd5 52. Ke1 Re5+ 53. Kd1 Rg5 54. Rc3 Rg2 55. Rxf3 Rxh2 56. Ke2 Rh5 57. Rc3 Rb5 58. Rc4 f5 59. Kf3 Kg5 60. Kg3 Rb6 61. f4+ 1/2-1/2

[Event "NED-ch U15"]
[Site "Venlo"]
[Date "2009.04.30"]
[Round "7"]
[White "Yue, Tim"]
[Black "Van der Knijff, Bernhard"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1506"]
[BlackElo "1707"]
[PlyCount "120"]
[EventDate "2009.04.24"]
[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. c3 Nge7 7. Be2 d5 8. Bf3 Ne5 9. 0-0 Bxd4 10. Bxd4 Nxf3+ 11. Qxf3 Qxf3 12. gxf3 Bh3 13. Re1 0-0-0 14. Na3 Rd6 15. Kh1 Rg6 16. Rg1 Rd8 17. Rg3 Be6 18. Nc2 b6 19. b4 f6 20. Ne1 Bf7 21. Nc2 Re8 22. a3 Rxg3 23. hxg3 Bg6 24. Re1 Kd7 25. b5 Nc8 26. Nb4 dxe4 27. fxe4 Bxe4+ 28. Kh2 Nd6 29. a4 Bb7 30. Rxe8 Kxe8 31. Nd3 Kf7 32. Nb2 Nf5 33. Nd1 Nxd4 34. cxd4 Ke6 35. Nc3 Bd5 36. g4 Bb3 37. Kg3 Bc2 38. Kf4 g5+ 39. Ke3 f5 40. f3 h6 41. Kd2 Bb3 42. Ke3 fxg4 43. fxg4 Bc2 44. Kd2 Bg6 45. Ke3 Kd6 46. Kf3 c5 47. Ke3 Bc2 48. d5 Bg6 49. Kf3 h5 50. gxh5 Bxh5+ 51. Kg3 Bf7 52. Kg4 Bxd5 53. Kxg5 Ke5 54. a5 bxa5 55. Na4 c4 56. Nc3 Bf3 57. Nb1 Kd4 58. Kf4 Bd5 59. Na3 c3 60. Kf5 Be4+ 0-1

[Event "NED-ch U15"]
[Site "Venlo"]
[Date "2009.04.29"]
[Round "6"]
[White "Van der Knijff, Bernhard"]
[Black "Vos, Tjark"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1707"]
[BlackElo "1762"]
[PlyCount "47"]
[EventDate "2009.04.24"]
[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 b6 3. Nc3 Bb7 4. e4 Bb4 5. Bd3 f5 6. d5 fxe4 7. Bxe4 Nf6 8. Bg5 0-0 9. Qc2 h6 10. Bh4 exd5 11. Bf3 Qe7+ 12. Nge2 Qc5 13. Bxf6 Rxf6 14. 0-0-0 Rxf3 15. gxf3 dxc4 16. Ne4 Qb5 17. Rhg1 Be7 18. Qc3 Bf8 19. Rxg7+ Bxg7 20. Rg1 Qg5+ 21. Rxg5 hxg5 22. Qxc4+ d5 23. Qxc7 Bc6 24. Nxg5 1-0

[Event "NED-ch U15"]
[Site "Venlo"]
[Date "2009.04.28"]
[Round "5"]
[White "Roelofs, Rik"]
[Black "Van der Knijff, Bernhard"]
[Result "1/2-1/2"]
[ECO "E73"]
[WhiteElo "1763"]
[BlackElo "1707"]
[PlyCount "63"]
[EventDate "2009.04.24"]
[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 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 e5 7. d5 a5 8. h3 c6 9. Qd2 cxd5 10. cxd5 Bd7 11. 0-0-0 Na6 12. g4 Rc8 13. Kb1 Nc5 14. f3 Ne8 15. g5 f5 16. h4 f4 17. Bf2 b6 18. Bf1 Nc7 19. Bh3 Rb8 20. Bxd7 Qxd7 21. h5 Nb5 22. Nge2 Rfc8 23. hxg6 Nxc3+ 24. Nxc3 hxg6 25. Bxc5 bxc5 26. Qh2 Kf7 27. Qh3 Qxh3 28. Rxh3 Rb4 29. a3 Rb3 30. Kc2 Rcb8 31. Rb1 Kg8 32. Rh2 1/2-1/2

[Event "NED-ch U15"]
[Site "Venlo"]
[Date "2009.04.27"]
[Round "4"]
[White "Van der Knijff, Bernhard"]
[Black "Beerdsen, Thomas"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "1707"]
[BlackElo "1650"]
[PlyCount "97"]
[EventDate "2009.04.24"]
[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 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 Nh5 10. Re1 f5 11. Ng5 Nf6 12. Bf3 f4 13. Ba3 h6 14. Ne6 Bxe6 15. dxe6 g5 16. Nd5 Ng6 17. Rc1 Qc8 18. Bh5 Nxh5 19. Qxh5 Kh7 20. c5 dxc5 21. Rxc5 c6 22. Rc3 Qb8 23. b5 cxd5 24. Bxf8 Bxf8 25. Rec1 d4 26. Rc7+ Bg7 27. Rf7 Qg8 28. Rcc7 Rc8 29. Rxg7+ Qxg7 30. Rxc8 Qe7 31. Qg4 Nh4 32. g3 Ng6 33. Qf5 Kg7 34. Qf7+ Qxf7 35. exf7 Kxf7 36. Rc7+ Ke6 37. Rxb7 d3 38. Kf1 f3 39. Ke1 Nf8 40. Rxa7 Nd7 41. b6 Kd6 42. b7 Nb8 43. Kd2 Kc7 44. Kxd3 Nc6 45. b8Q+ Kxb8 46. Rh7 Nb4+ 47. Ke3 g4 48. Rxh6 Nxa2 49. Rg6 1-0

[Event "NED-ch U15"]
[Site "Venlo"]
[Date "2009.04.25"]
[Round "2"]
[White "Van Driel, Dennis"]
[Black "Van der Knijff, Bernhard"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "1216"]
[BlackElo "1707"]
[PlyCount "108"]
[EventDate "2009.04.24"]
[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. e4 Bb4 4. a3 Bxc3 5. bxc3 d6 6. Nf3 Nxe4 7. Bb2 0-0 8. Qc2 Ng5 9. Nxg5 Qxg5 10. g3 Nd7 11. Bg2 Nc5 12. Bc1 Bf5 13. d4 Bxc2 14. Bxg5 exd4 15. cxd4 Rfe8+ 16. Be3 Be4 17. Rg1 Nb3 18. Ra2 Bxg2 19. Rxg2 Nxd4 20. Kd2 Nf3+ 21. Ke2 Ne5 22. Rc2 a5 23. Kd2 Rad8 24. f4 Ng4 25. Rc3 d5 26. cxd5 Rxd5+ 27. Ke2 Rb5 28. Kf3 Nxe3 29. Rxe3 Rxe3+ 30. Kxe3 Rb3+ 31. Kd4 Rxa3 32. Re2 Kf8 33. Kc4 Ra1 34. Kb3 Rc1 35. Ra2 b6 36. Rb2 Ke7 37. Re2+ Kd6 38. Rd2+ Kc5 39. f5 b5 40. f6 gxf6 41. g4 a4+ 42. Kb2 Rg1 43. h3 Rg3 44. g5 fxg5 45. Rh2 Kb4 46. Rc2 c5 47. h4 g4 48. h5 c4 49. h6 a3+ 50. Ka1 Kb3 51. Rc1 Rg2 52. Rb1+ Rb2 53. Rxb2+ axb2+ 54. Kb1 Kc3 0-1

[Event "NED-ch U15"]
[Site "Venlo"]
[Date "2009.04.24"]
[Round "1"]
[White "Van der Knijff, Bernhard"]
[Black "Beukema, Stefan"]
[Result "0-1"]
[ECO "A86"]
[WhiteElo "1707"]
[BlackElo "1978"]
[PlyCount "92"]
[EventDate "2009.04.24"]
[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 f5 2. c4 g6 3. Nc3 Nf6 4. g3 Bg7 5. Bg2 c6 6. b4 d6 7. Bb2 0-0 8. e3 Qc7 9. Nge2 e5 10. Qb3 Be6 11. Rc1 Nbd7 12. d5 Bf7 13. 0-0 g5 14. f4 Ng4 15. Nd1 c5 16. h3 Ngf6 17. fxg5 Ne4 18. Bxe4 fxe4 19. b5 Qd8 20. Ndc3 Qxg5 21. Nxe4 Qh6 22. Kh2 Bg6 23. Nf2 Nf6 24. Ng1 Rf7 25. e4 Nxe4 26. Nxe4 Bxe4 27. Qd1 Raf8 28. Rxf7 Rxf7 29. Qe2 Bg6 30. Re1 Bh5 31. Qg2 Qf6 32. Rc1 Bg6 33. Rc3 Qf2 34. Kh1 Qxg2+ 35. Kxg2 Be4+ 36. Nf3 Rxf3 37. Rxf3 Bxf3+ 38. Kxf3 e4+ 39. Kxe4 Bxb2 40. Kf5 Kf7 41. g4 Bc3 42. h4 Be1 43. h5 h6 44. g5 hxg5 45. Kxg5 Bd2+ 46. Kf5 Bh6 0-1

[Event "NED-ch U15"]
[Site "Venlo"]
[Date "2008.05.03"]
[Round "9"]
[White "Van der Knijff, Bernhard"]
[Black "Beeren, Thom"]
[Result "0-1"]
[ECO "D55"]
[WhiteElo "1613"]
[BlackElo "1668"]
[PlyCount "68"]
[EventDate "2008.04.28"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 0-0 6. e3 b6 7. cxd5 exd5 8. Bd3 Bb7 9. Qc2 Nbd7 10. h4 c5 11. Ne5 cxd4 12. exd4 Re8 13. 0-0 h6 14. Nxd7 Nxd7 15. Bf4 Bxh4 16. Nb5 Qf6 17. g3 Bg5 18. Bxg5 hxg5 19. Qc7 Qf3 20. Qxd7 Rad8 21. Qxb7 Re6 22. Qc7 Rf8 23. g4 Rh6 24. Qh2 Rxh2 25. Kxh2 Qxd3 26. Nxa7 Qxd4 27. Nc6 Qf4+ 28. Kh3 Qf3+ 29. Kh2 Kh7 30. Rg1 d4 31. Ne7 g6 32. Rg3 Qxf2+ 33. Rg2 Qf4+ 34. Rg3 Kg7 0-1

[Event "NED-ch U15"]
[Site "Venlo"]
[Date "2008.05.02"]
[Round "8"]
[White "Loots, Jeroen"]
[Black "Van der Knijff, Bernhard"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1658"]
[BlackElo "1613"]
[PlyCount "77"]
[EventDate "2008.04.28"]
[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. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Be2 d5 8. exd5 Nxd5 9. 0-0 0-0 10. Bf3 Nxe3 11. fxe3 Qg5 12. Re1 Ne5 13. Nd2 Nxf3+ 14. Qxf3 Qg6 15. Qe4 Bxd4 16. exd4 Qg5 17. Nf3 Qb5 18. Qe2 Qxe2 19. Rxe2 Bg4 20. Kf2 Rfe8 21. Rae1 Kf8 22. Re3 h6 23. Ne5 f5 24. Nxg4 fxg4 25. Rxe8+ Rxe8 26. Rxe8+ Kxe8 27. Kg3 Kf7 28. Kxg4 Kg6 29. Kf4 Kf6 30. h4 g6 31. g4 Ke6 32. h5 Kf6 33. hxg6 Kxg6 34. d5 Kf6 35. c4 a6 36. b4 b5 37. c5 Kg6 38. d6 cxd6 39. c6 1-0

[Event "NED-ch U15"]
[Site "Venlo"]
[Date "2008.05.02"]
[Round "7"]
[White "Van der Knijff, Bernhard"]
[Black "Van Overdam, Julian"]
[Result "0-1"]
[ECO "A87"]
[WhiteElo "1613"]
[BlackElo "2036"]
[PlyCount "64"]
[EventDate "2008.04.28"]
[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 f5 2. c4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. g3 0-0 6. Bg2 d6 7. 0-0 Qe8 8. d5 a5 9. Re1 e5 10. dxe6 Qxe6 11. Nd5 Qd7 12. Nd4 Na6 13. Bg5 Ne4 14. Bxe4 fxe4 15. Ne7+ Kh8 16. Nxc8 Raxc8 17. Bf4 Qf7 18. Rc1 Rcd8 19. Rf1 Qf6 20. e3 g5 21. Bxg5 Qxg5 22. Ne6 Qf6 23. Nxd8 Rxd8 24. Qd5 Nc5 25. b3 c6 26. Qd2 Nd3 27. Rcd1 Ne5 28. Qxa5 Nf3+ 29. Kg2 Re8 30. Qh5 Re5 31. Qg4 h5 32. Qf4 Qe6 0-1

[Event "NED-ch U15"]
[Site "Venlo"]
[Date "2008.05.01"]
[Round "6"]
[White "Van der Knijff, Bernhard"]
[Black "Kollen, Zyon"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "1613"]
[BlackElo "1811"]
[PlyCount "69"]
[EventDate "2008.04.28"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. cxd5 exd5 7. Nf3 Be7 8. Bd3 0-0 9. Qc2 h6 10. Bh4 Re8 11. 0-0 Ne4 12. Bxe7 Qxe7 13. Nd2 Ndf6 14. Rae1 Nxd2 15. Qxd2 Ne4 16. Qc2 Nxc3 17. bxc3 Qg5 18. e4 dxe4 19. Bxe4 Be6 20. Re3 Re7 21. Rg3 Qf6 22. Rf3 Qg5 23. Rg3 Qf4 24. Re1 Rae8 25. Rge3 Bc4 26. g3 Qf6 27. Qd2 Bd5 28. Bxd5 cxd5 29. Kg2 Kf8 30. Qc1 Rxe3 31. Rxe3 Rxe3 32. Qxe3 Qe7 33. Qf4 Qe4+ 34. Qxe4 dxe4 35. f3 1/2-1/2

[Event "NED-ch U15"]
[Site "Venlo"]
[Date "2008.04.30"]
[Round "5"]
[White "Van Veelen, Thomas"]
[Black "Van der Knijff, Bernhard"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1664"]
[BlackElo "1613"]
[PlyCount "34"]
[EventDate "2008.04.28"]
[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. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. Bg5 d6 6. e4 Nbd7 7. Bd3 e5 8. d5 Nc5 9. 0-0 Qe8 10. b4 Nxd3 11. Qxd3 Nh5 12. Rac1 f5 13. exf5 Bxf5 14. Ne4 h6 15. Be3 Qe7 16. h3 Bxh3 17. gxh3 Rxf3 0-1

[Event "NED-ch U15"]
[Site "Venlo"]
[Date "2008.04.30"]
[Round "4"]
[White "Van der Knijff, Bernhard"]
[Black "Admiraal, Miguoel"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1613"]
[BlackElo "1842"]
[PlyCount "35"]
[EventDate "2008.04.28"]
[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 d5 2. c4 c6 3. Nc3 e5 4. cxd5 cxd5 5. g3 Nc6 6. e3 e4 7. Nge2 Nf6 8. a3 Bd6 9. Bd2 a6 10. Bg2 h5 11. 0-0 h4 12. f3 hxg3 13. Nxg3 exf3 14. Bxf3 Bh3 15. Bg2 Bxg2 16. Kxg2 Qd7 17. Qe2 Qh3+ 18. Kf3 0-1

[Event "NED-ch U15"]
[Site "Venlo"]
[Date "2008.04.29"]
[Round "3"]
[White "Ratsma, Midas"]
[Black "Van der Knijff, Bernhard"]
[Result "1/2-1/2"]
[ECO "E72"]
[BlackElo "1613"]
[PlyCount "92"]
[EventDate "2008.04.28"]
[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. g3 0-0 5. Bg2 d6 6. e4 e5 7. d5 a5 8. Nge2 Nh5 9. Bf3 Nf6 10. 0-0 Ne8 11. Qd3 Na6 12. Be3 f5 13. a3 Nf6 14. Bg2 Ng4 15. Bd2 Nc5 16. Qc2 fxe4 17. Nxe4 Bf5 18. f3 Nf6 19. N2c3 Qe7 20. Be3 Ncxe4 21. fxe4 Bd7 22. Qd2 Rf7 23. Bg5 Raf8 24. Qe2 Qe8 25. Nb5 Qc8 26. Rae1 Bg4 27. Bf3 Bxf3 28. Rxf3 Qg4 29. Bxf6 Bxf6 30. b3 Qd7 31. Qd3 Be7 32. Ref1 c6 33. Nc3 Qc7 34. Kg2 Rxf3 35. Rxf3 Qd8 36. b4 axb4 37. axb4 Qb6 38. dxc6 bxc6 39. b5 cxb5 40. Nd5 bxc4 41. Nxe7+ Kg7 42. Qc3 Rxf3 43. Kxf3 Qb3 44. Nd5 Qd1+ 45. Ke3 Qg1+ 46. Kf3 Qd1+ 1/2-1/2

[Event "NED-ch U15"]
[Site "Venlo"]
[Date "2008.04.29"]
[Round "2"]
[White "Van der Knijff, Bernhard"]
[Black "Obels, Pepijn"]
[Result "1-0"]
[ECO "D50"]
[WhiteElo "1613"]
[BlackElo "1762"]
[PlyCount "97"]
[EventDate "2008.04.28"]
[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 d5 2. c4 e6 3. Nc3 c5 4. Nf3 Nf6 5. Bg5 Nc6 6. e3 Be7 7. dxc5 Bxc5 8. cxd5 exd5 9. Bxf6 Qxf6 10. Qxd5 Bb4 11. Qe4+ Be6 12. Nd4 0-0 13. Bd3 g6 14. 0-0 Bd6 15. Nxe6 fxe6 16. f4 Bc5 17. Kh1 a6 18. Bc4 Rae8 19. Rad1 Na5 20. Be2 Nc6 21. Bc4 Re7 22. Rd2 Na5 23. Be2 Nc6 24. Bc4 Rc8 25. f5 Rf8 26. Rdf2 Ree8 27. fxe6 Qe7 28. Nd5 Qg5 29. Nf6+ Kh8 30. Nxe8 Rxe8 31. Qf4 Bxe3 32. Qxg5 Bxg5 33. Rf8+ Rxf8 34. Rxf8+ Kg7 35. Rf7+ Kh6 36. Rxb7 Bf6 37. Bxa6 Kg5 38. Rc7 Ne7 39. Bc4 Kf4 40. a4 Nf5 41. g3+ Kf3 42. Bd5+ Kf2 43. Rc2+ Kf1 44. Bc4+ Ke1 45. Re2+ Kf1 46. e7 Bxe7 47. Rxe7+ Kf2 48. Rf7 Ke1 49. Rxf5 1-0

[Event "NED-ch U15"]
[Site "Venlo"]
[Date "2008.04.28"]
[Round "1"]
[White "Bijlsma, Nick"]
[Black "Van der Knijff, Bernhard"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1879"]
[BlackElo "1613"]
[PlyCount "55"]
[EventDate "2008.04.28"]
[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. Nxd4 Bc5 5. Be3 Qf6 6. Nb5 Bxe3 7. fxe3 Qd8 8. Qg4 g6 9. Qf4 d6 10. Bc4 Ne5 11. 0-0 Qe7 12. Bb3 a6 13. N5c3 Be6 14. Nd2 Bxb3 15. axb3 c6 16. b4 Qd7 17. Ra5 f6 18. b5 g5 19. Qf2 h5 20. bxa6 b6 21. Raa1 g4 22. Nb3 h4 23. Nd4 g3 24. hxg3 h3 25. Qf5 Qxf5 26. Nxf5 h2+ 27. Kh1 Nh6 28. Nxd6+ 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2007.05.19"]
[Round "7"]
[White "Doornenbal, Ruben"]
[Black "Van der Knijff, Bernhard"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1514"]
[BlackElo "1515"]
[PlyCount "20"]
[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. Bc4 Nf6 4. d4 exd4 5. 0-0 Be7 6. Re1 d6 7. Nxd4 Nxd4 8. Qxd4 0-0 9. Bf4 c5 10. Nc3 cxd4 0-1

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2007.05.19"]
[Round "9"]
[White "Kollen, Zyon"]
[Black "Van der Knijff, Bernhard"]
[Result "1-0"]
[ECO "C59"]
[WhiteElo "1862"]
[BlackElo "1515"]
[PlyCount "63"]
[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. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 Bc5 9. d3 0-0 10. 0-0 h6 11. Ne4 Nxe4 12. dxe4 Be6 13. Nd2 Qf6 14. c3 Rfd8 15. b4 Bxb4 16. cxb4 Nc4 17. Qc2 Nxd2 18. Bxd2 Qg6 19. Be3 f5 20. Bc4 f4 21. Bxe6+ Qxe6 22. Bc5 Qg4 23. f3 Qg6 24. Rad1 Re8 25. Rd6 Qf7 26. Qb3 Qxb3 27. axb3 Rac8 28. Bxa7 Kf7 29. Rfd1 Rc7 30. Rd7+ Rxd7 31. Rxd7+ Re7 32. Rxe7+ 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2007.05.19"]
[Round "8"]
[White "Van der Knijff, Bernhard"]
[Black "Lentjes, Noud"]
[Result "1/2-1/2"]
[ECO "D92"]
[WhiteElo "1515"]
[BlackElo "1626"]
[PlyCount "111"]
[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 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 c6 5. Nf3 Nbd7 6. e3 Bg7 7. cxd5 Nxd5 8. Bc4 Nxf4 9. exf4 Nb6 10. Bb3 Nd5 11. Bxd5 cxd5 12. 0-0 0-0 13. Qd2 Bg4 14. Ne5 Bc8 15. Qe3 f6 16. Nd3 Re8 17. Nb4 e6 18. Rfe1 Bd7 19. Qd2 Qc7 20. Nd3 b6 21. Rac1 Qd6 22. Ne2 Rac8 23. Rxc8 Rxc8 24. Rc1 Rxc1+ 25. Qxc1 Qc6 26. Qxc6 Bxc6 27. b3 Bb5 28. Ndc1 Bf8 29. a4 Ba6 30. f3 Bb4 31. Kf2 Bd2 32. g3 Kf7 33. h4 Ke7 34. Na2 Bd3 35. b4 Kd6 36. Nac3 Bxe2 37. Nxe2 Bxb4 38. g4 e5 39. fxe5+ fxe5 40. Ke3 exd4+ 41. Nxd4 Bc5 42. Kd3 Bxd4 43. Kxd4 a6 44. f4 Ke6 45. h5 gxh5 46. gxh5 Kf5 47. Kxd5 Kxf4 48. Kc6 b5 49. axb5 axb5 50. Kxb5 Kg5 51. Kc4 Kxh5 52. Kd3 Kg4 53. Ke2 Kg3 54. Kf1 Kh2 55. Kf2 h5 56. Kf1 1/2-1/2

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2007.05.18"]
[Round "5"]
[White "Bok, Benjamin"]
[Black "Van der Knijff, Bernhard"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "1932"]
[BlackElo "1515"]
[PlyCount "61"]
[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. Bb5 f5 4. Nc3 Nf6 5. exf5 e4 6. Nh4 d5 7. 0-0 Bc5 8. d3 0-0 9. dxe4 dxe4 10. Bc4+ Kh8 11. Qxd8 Rxd8 12. Bg5 Nd4 13. Rad1 Bxf5 14. Nxf5 Nxf5 15. Rxd8+ Rxd8 16. Nxe4 Be7 17. Nxf6 gxf6 18. Bc1 c6 19. Re1 Bc5 20. Bd3 Nd4 21. Kf1 Bd6 22. Be3 c5 23. Bxd4 cxd4 24. Re4 Bc5 25. a3 a5 26. Rh4 Rd7 27. Rh6 Rf7 28. Rh5 b6 29. Bc4 Rg7 30. Rd5 h6 31. Rd8+ 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2007.05.18"]
[Round "4"]
[White "Van der Knijff, Bernhard"]
[Black "Cox, Jan"]
[Result "1-0"]
[ECO "A51"]
[WhiteElo "1515"]
[BlackElo "1473"]
[PlyCount "149"]
[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 Nf6 2. c4 e5 3. d5 Bc5 4. Bg5 Ne4 5. Be3 Bxe3 6. fxe3 Qh4+ 7. g3 Nxg3 8. Nf3 Qh6 9. Rg1 Nxf1 10. Kxf1 d6 11. e4 Bh3+ 12. Kf2 Nd7 13. Qd2 Qxd2 14. Nbxd2 Nf8 15. Rxg7 Ng6 16. Ng5 h6 17. Nxf7 Rf8 18. Rxg6 Kxf7 19. Rg3 Ke7+ 20. Nf3 Bd7 21. Rag1 Be8 22. Rg7+ Rf7 23. Rxf7+ Kxf7 24. Nh4 Kf6 25. Nf5 Bg6 26. Ke3 Bxf5 27. exf5 Kxf5 28. Rg7 Rc8 29. b4 b6 30. Kd3 Kf6 31. Rh7 Kg6 32. Re7 Kf6 33. Re6+ Kg5 34. e4 Rf8 35. Re7 Rc8 36. Ke3 Kf6 37. Rd7 Kg5 38. Kf3 Rf8+ 39. Kg3 Rc8 40. h4+ Kf6 41. Rh7 Kg6 42. Re7 Kf6 43. Re6+ Kg7 44. h5 Rg8 45. Rg6+ Kf7 46. Rxg8 Kxg8 47. Kg4 Kf7 48. Kf5 a5 49. b5 a4 50. a3 Ke7 51. Kg6 Kf8 52. Kxh6 Kf7 53. Kh7 Kf6 54. Kg8 Kg5 55. Kf7 Kxh5 56. Ke7 Kg4 57. Kd7 Kf4 58. Kxc7 Kxe4 59. Kxd6 Kd4 60. Kc6 e4 61. d6 e3 62. d7 e2 63. d8Q+ Kxc4 64. Qd5+ Kc3 65. Qe4 Kd2 66. Kxb6 e1Q 67. Qxe1+ Kxe1 68. Ka5 Kd2 69. Kxa4 Kc3 70. b6 Kb2 71. b7 Ka2 72. b8Q Ka1 73. Qh2 Kb1 74. Kb3 Ka1 75. Qb2# 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2007.05.18"]
[Round "6"]
[White "Van der Knijff, Bernhard"]
[Black "Gieben, Stijn"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1515"]
[BlackElo "1418"]
[PlyCount "161"]
[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 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nd7 5. Nf3 Ngf6 6. Bf4 c5 7. d5 0-0 8. Bd3 Nb6 9. e5 Nh5 10. Qd2 Nxf4 11. Qxf4 dxe5 12. Nxe5 Qd6 13. Nxg6 fxg6 14. Qxd6 exd6 15. 0-0 Bf5 16. Be2 a6 17. Rab1 Bxb1 18. Rxb1 Rf7 19. Bg4 Bd4 20. Be6 Bxf2+ 21. Kh1 Raf8 22. Ne4 Bd4 23. Nxd6 Kg7 24. Bxf7 Rxf7 25. Nxf7 Kxf7 26. b3 Nd7 27. Rf1+ Kg7 28. Re1 Kf7 29. Re6 Ne5 30. Rb6 Nd3 31. Rxb7+ Kg8 32. h3 Nc1 33. d6 Kf8 34. Rxh7 Nxa2 35. d7 Bf6 36. Rh8+ Kf7 37. Rh7+ Kg8 38. d8Q+ Bxd8 39. Ra7 Nb4 40. Ra8 Nc6 41. Rxa6 Ne5 42. Ra8 Nf7 43. Rc8 Kg7 44. Rxc5 Be7 45. Rd5 Kf6 46. Kg1 Ne5 47. g4 Nf3+ 48. Kf2 Ng5 49. h4 Nf7 50. c5 Ke6 51. Rd1 Ne5 52. b4 Nxg4+ 53. Kg3 Ne5 54. Re1 Kd5 55. Rd1+ Kc4 56. Re1 Bxh4+ 57. Kxh4 Nc6 58. Rb1 Kb5 59. Kg5 Ne5 60. Kf6 Nc6 61. Kxg6 Nxb4 62. Rxb4+ Kxc5 63. Rb1 Kd4 64. Rb5 Kc4 65. Rf5 Kd4 66. Kf6 Ke4 67. Rh5 Kd4 68. Ke6 Ke3 69. Ke5 Kf3 70. Rh4 Kg3 71. Rd4 Kf3 72. Rc4 Kg3 73. Kf5 Kf2 74. Ke4 Ke1 75. Rc2 Kd1 76. Kd3 Ke1 77. Ra2 Kf1 78. Ke3 Kg1 79. Kf3 Kh1 80. Kg3 Kg1 81. Ra1# 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2007.05.17"]
[Round "3"]
[White "Beerdsen, Thomas"]
[Black "Van der Knijff, Bernhard"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "1585"]
[BlackElo "1515"]
[PlyCount "97"]
[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. Bb5 Nf6 4. 0-0 Bc5 5. Bxc6 bxc6 6. Nxe5 Qe7 7. d4 Bb6 8. Bg5 h6 9. Bf4 Bb7 10. Nc3 g5 11. Be3 d6 12. Nc4 Ba6 13. Nxb6 cxb6 14. Re1 0-0-0 15. a4 Rhg8 16. Qf3 Kc7 17. e5 dxe5 18. dxe5 Nd7 19. Qg3 Kb7 20. Rad1 Nxe5 21. Rxd8 Rxd8 22. f4 gxf4 23. Bxf4 f6 24. Bxe5 fxe5 25. Rxe5 Qf6 26. Qe1 Rd7 27. Re6 Qg7 28. Qe4 Qd4+ 29. Qxd4 Rxd4 30. Rxh6 Rd2 31. Rh7+ Kb8 32. a5 b5 33. g4 Rxc2 34. g5 b4 35. Rh8+ Bc8 36. g6 bxc3 37. bxc3 Rxc3 38. g7 Rc1+ 39. Kf2 Rc2+ 40. Ke3 Rg2 41. g8Q Rxg8 42. Rxg8 Kb7 43. Rxc8 Kxc8 44. h4 Kd8 45. h5 Ke7 46. Kd4 a6 47. Kc5 Kf6 48. Kxc6 Kg5 49. Kb6 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2007.05.17"]
[Round "1"]
[White "Evengroen, Bernard"]
[Black "Van der Knijff, Bernhard"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1364"]
[BlackElo "1515"]
[PlyCount "94"]
[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 Qf6 6. Nb5 Bxe3 7. fxe3 Qd8 8. N1c3 a6 9. Nd4 Nge7 10. Bc4 0-0 11. Qf3 Ne5 12. Qe2 Nxc4 13. Qxc4 b5 14. Qe2 c5 15. Nf5 Nxf5 16. exf5 d5 17. 0-0 f6 18. Rad1 Bb7 19. Rf4 Re8 20. Rh4 Re5 21. Qh5 h6 22. Qg6 Qe8 23. Qg4 Kh7 24. e4 d4 25. Nb1 Rxe4 26. Qxe4 Bxe4 27. Re1 Qc6 28. Rhxe4 Kg8 29. Nd2 Rd8 30. Nf3 d3 31. Re6 Qd5 32. cxd3 Qxa2 33. Nh4 Qxb2 34. Ng6 Qd4+ 35. Kh1 Qd7 36. Ne7+ Kh7 37. Nc6 Rf8 38. Ne7 Qxd3 39. Ng6 Rg8 40. g3 Qxf5 41. Ne7 Qf3+ 42. Kg1 Rd8 43. R6e3 Qg4 44. Re4 Qg5 45. Nc6 Rc8 46. Na5 c4 47. Kg2 Qd2+ 0-1

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2007.05.17"]
[Round "2"]
[White "Van der Knijff, Bernhard"]
[Black "Schippers, Philippe"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "1515"]
[BlackElo "1680"]
[PlyCount "107"]
[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 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 Bd7 6. e3 0-0 7. c5 b6 8. b4 a5 9. a3 Nh5 10. Bg3 Nxg3 11. hxg3 h6 12. Ne5 Be8 13. Bd3 Nc6 14. Nxc6 Bxc6 15. 0-0 f5 16. f4 Rf7 17. b5 Be8 18. c6 g5 19. Qc2 g4 20. Kf2 h5 21. Rh1 Rg7 22. Ne2 h4 23. a4 Bh5 24. Rh2 Bg6 25. Rah1 Rh7 26. gxh4 Bxh4+ 27. g3 Bf6 28. Rxh7 Bxh7 29. Rh2 Qe7 30. Qd1 Rf8 31. Qb3 Rf7 32. Nc3 Qd6 33. Qc2 Rg7 34. Ne2 Qb4 35. Rh1 Bg6 36. Rb1 Qa3 37. Qb3 Qe7 38. Rh1 Rh7 39. Rxh7 Qxh7 40. Kg2 Qh3+ 41. Kf2 Qh2+ 42. Ke1 Be7 43. Kd1 Qh1+ 44. Kc2 Qf3 45. Qb1 Qxe3 46. Qc1 Qf3 47. Qg1 Bb4 48. Nc3 Kg7 49. Ne2 Kf7 50. Nc3 Ke7 51. Nd1 Kd6 52. Nc3 Bxc3 53. Kxc3 Ke7 54. Kc2 1/2-1/2

