[Event "Ghent Taminco op 37th"]
[Site "Ghent"]
[Date "2014.07.20"]
[Round "3"]
[White "Froeyman, Helmut"]
[Black "Vos, Jan Pieter"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2304"]
[BlackElo "2102"]
[PlyCount "59"]
[EventDate "2014.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. a3 0-0 9. dxc5 a5 10. Na4 f6 11. exf6 Nxf6 12. Bb5 Ng4 13. Qe2 e5 14. 0-0-0 Nxe3 15. Qxe3 Rxf4 16. Nb6 Nd4 17. Rxd4 Rxd4 18. Nxa8 Bg4 19. Nb6 Bxc5 20. Nxd4 Bxd4 21. Qg3 Qxb6 22. Qxg4 Qxb5 23. Qe6+ Kf8 24. c3 Be3+ 25. Kb1 d4 26. c4 Qb3 27. Rf1+ Bf4 28. Rf3 Qd1+ 29. Ka2 g5 30. Rb3 1-0

[Event "NED CupT 1314"]
[Site "Wijchen"]
[Date "2014.05.29"]
[Round "2.4"]
[White "Vos, Jan Pieter"]
[Black "Lambrechts, Koen"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2097"]
[BlackElo "2261"]
[PlyCount "37"]
[EventDate "2014.05.29"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]
[WhiteTeam "Delft"]
[BlackTeam "SISSA"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d6 2. e4 g6 3. Nc3 Bg7 4. g3 h5 5. h3 Nd7 6. Bg2 e5 7. Nge2 Nf8 8. Be3 h4 9. g4 g5 10. dxe5 Bxe5 11. Qd2 Ne6 12. 0-0 c6 13. a4 Bd7 14. Rad1 Qa5 15. f4 gxf4 16. Nxf4 Nxf4 17. Bxf4 Be6 18. Bxe5 dxe5 19. Qg5 1/2-1/2

[Event "Delft Prinsenstad op-A"]
[Site "Delft"]
[Date "2009.01.04"]
[Round "5"]
[White "Vos, Jan Pieter"]
[Black "De Waard, Remco"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2093"]
[BlackElo "2032"]
[PlyCount "75"]
[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. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ndf3 Qb6 8. a3 cxd4 9. cxd4 Nxd4 10. Nxd4 Qxd4 11. Nf3 Qb6 12. Qa4 Be7 13. Be3 Qd8 14. Qg4 g6 15. Rc1 b6 16. 0-0 Bb7 17. h4 Rc8 18. h5 Kf8 19. Bh6+ Ke8 20. hxg6 hxg6 21. Qxg6 Bf8 22. Qxe6+ fxe6 23. Bg6+ Ke7 24. Bg5+ Nf6 25. Bxf6+ Kd7 26. Bxd8 Kxd8 27. Nd4 Kd7 28. b4 Bh6 29. Rcd1 Ke7 30. f4 Rhg8 31. Bb1 Rcf8 32. Ne2 Ba6 33. Bd3 Bxd3 34. Rxd3 Rc8 35. Nd4 Rc4 36. g3 a5 37. bxa5 bxa5 38. Rb1 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2008.07.31"]
[Round "9"]
[White "Beeke, Bobby"]
[Black "Vos, Jan Pieter"]
[Result "1/2-1/2"]
[ECO "D07"]
[WhiteElo "2201"]
[BlackElo "2115"]
[PlyCount "97"]
[EventDate "2008.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nc3 dxc4 4. Nf3 Nf6 5. e4 Bg4 6. Be3 e6 7. Bxc4 Bb4 8. Qd3 0-0 9. Ng5 h6 10. h4 e5 11. Nxf7 Rxf7 12. Bxf7+ Kxf7 13. Qc4+ Kg6 14. d5 Bxc3+ 15. Qxc3 Nxd5 16. exd5 Qxd5 17. f3 Be6 18. 0-0 Rd8 19. Bf2 Qd2 20. Rfd1 Qxd1+ 21. Rxd1 Rxd1+ 22. Kh2 Rd5 23. b4 a6 24. a4 Kf7 25. g4 g6 26. Be3 Kg7 27. Kg3 Kh7 28. Qc1 Rd7 29. b5 axb5 30. axb5 Nd4 31. Qc5 Bd5 32. Qf8 Ne2+ 33. Kf2 Nf4 34. h5 Rf7 35. hxg6+ Kxg6 36. Qg8+ Rg7 37. Qe8+ Kh7 38. Kg3 Ng6 39. f4 exf4+ 40. Bxf4 Nxf4 41. Kxf4 Rf7+ 42. Kg3 c6 43. Kh4 Rg7 44. Qc8 Bf7 45. Qxb7 cxb5 46. Qxb5 Bg6 47. Qc5 Rf7 48. Qd6 Rf1 49. Qe7+ 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2008.07.30"]
[Round "8"]
[White "Vos, Jan Pieter"]
[Black "Boulahfa, Hicham"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2115"]
[BlackElo "1985"]
[PlyCount "29"]
[EventDate "2008.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 b6 3. g3 Bb7 4. Bg2 e6 5. c4 c5 6. Bb2 Be7 7. 0-0 0-0 8. d3 d6 9. e4 Nbd7 10. Qe2 Qc7 11. Nbd2 Rfe8 12. Rfe1 Rad8 13. Rac1 Qb8 14. a3 Qa8 15. h3 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2008.07.29"]
[Round "7"]
[White "Vos, Jan Pieter"]
[Black "Munnik, Talitha"]
[Result "1/2-1/2"]
[ECO "B80"]
[WhiteElo "2115"]
[BlackElo "1965"]
[PlyCount "81"]
[EventDate "2008.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. Nc3 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. e4 a6 6. g3 Qc7 7. Bg2 Nf6 8. 0-0 Be7 9. Be3 0-0 10. f4 d6 11. Nxc6 bxc6 12. Na4 Rb8 13. c4 Rd8 14. Qe2 Rb4 15. b3 c5 16. Rad1 Bd7 17. Nc3 Bc6 18. Bc1 Nd7 19. Nd5 exd5 20. exd5 Bxd5 21. Bxd5 Nf6 22. Rfe1 Bf8 23. Bb2 Re8 24. Qf3 Rxe1+ 25. Rxe1 Nxd5 26. Qxd5 Rb8 27. f5 Qa5 28. Ra1 Re8 29. Kf2 Qd8 30. Bc3 Qg5 31. Qf3 h5 32. h4 Qh6 33. Qf4 Qxf4+ 34. gxf4 Be7 35. Kg3 Bd8 36. Re1 Rxe1 37. Bxe1 Bf6 38. Kf3 Kf8 39. Ke4 Ke7 40. Kd5 Kd7 41. a3 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2008.07.28"]
[Round "6"]
[White "De Saegher, Chris"]
[Black "Vos, Jan Pieter"]
[Result "1-0"]
[ECO "B16"]
[WhiteElo "2185"]
[BlackElo "2115"]
[PlyCount "85"]
[EventDate "2008.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. d4 d5 2. e4 dxe4 3. Nc3 c6 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Qc7 7. Qh5 Rg8 8. Qxh7 Rg6 9. h4 f5 10. Bc4 Be6 11. Bxe6 Rxe6+ 12. Kf1 Qa5 13. Nf3 Nd7 14. Ng5 Qb5+ 15. Kg1 Rf6 16. Qh5 f4 17. Qf3 Bh6 18. b3 Bxg5 19. hxg5 Qxg5 20. Rh5 Qg6 21. Rh8+ Nf8 22. Ba3 Qg7 23. Qh3 Re6 24. Kf1 0-0-0 25. Bxe7 Re8 26. Rxf8 Rxf8 27. Bxf8 Qxf8 28. Re1 f3 29. Rxe6 fxg2+ 30. Kxg2 fxe6 31. Qxe6+ Kd8 32. Qe5 Qg8+ 33. Kf3 Qg1 34. c4 Qd1+ 35. Kf4 Qd2+ 36. Qe3 Qxa2 37. Ke5 Qa5+ 38. Ke6 Qh5 39. Qe5 Qh6+ 40. Qf6+ Qxf6+ 41. Kxf6 b5 42. cxb5 cxb5 43. Ke6 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2008.07.26"]
[Round "5"]
[White "Vos, Jan Pieter"]
[Black "Vogel, Jaap"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "2115"]
[BlackElo "2253"]
[PlyCount "60"]
[EventDate "2008.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nh3 Bd6 11. 0-0 Qc7 12. Re1 0-0 13. Nhg5 e5 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. h3 Bh2+ 17. Kh1 Bf4 18. Qc2 h6 19. Qxc7 Bxc7 20. Nf3 Bd7 21. Be3 Ne4 22. Bxe4 dxe4 23. Nd4 Be5 24. Rac1 Rac8 25. Red1 a5 26. Rxc8 Rxc8 27. Nb3 Ba4 28. Rd5 Bxb2 29. Rxa5 Bc6 30. Nd4 Bxd4 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2008.07.25"]
[Round "4"]
[White "Haast, Mark"]
[Black "Vos, Jan Pieter"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2089"]
[BlackElo "2115"]
[PlyCount "44"]
[EventDate "2008.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c4 a6 4. Nc3 Qc7 5. g3 b6 6. Bg2 Bb7 7. 0-0 d6 8. b3 Nf6 9. Re1 Nbd7 10. Bb2 Be7 11. d4 cxd4 12. Nxd4 h5 13. h3 g6 14. Qe2 Rc8 15. Nd5 exd5 16. exd5 0-0 17. Qc2 Rfe8 18. Ne6 Qb8 19. Nf4 Bf8 20. Nxg6 fxg6 21. Qxg6+ Bg7 22. Re6 Nf8 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2008.07.24"]
[Round "3"]
[White "Kampman, Tijmen"]
[Black "Vos, Jan Pieter"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1980"]
[BlackElo "2115"]
[PlyCount "39"]
[EventDate "2008.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nge2 c6 6. a3 Bf5 7. Bf4 Qd8 8. Qd2 e6 9. Ng3 Bg6 10. Be2 Bd6 11. Bxd6 Qxd6 12. Bf3 Nbd7 13. 0-0 0-0 14. Nce4 Qc7 15. c4 Rad8 16. Qc3 Qf4 17. Nxf6+ Nxf6 18. Rad1 Rd7 19. Ne2 Qf5 20. Rd2 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2008.07.23"]
[Round "2"]
[White "Vos, Jan Pieter"]
[Black "Kuling, Lody"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "2115"]
[BlackElo "2196"]
[PlyCount "50"]
[EventDate "2008.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 d6 5. Nc3 0-0 6. 0-0 e5 7. d3 Nc6 8. Bg5 h6 9. Bxf6 Bxf6 10. Nd5 Bg7 11. Nd2 Nd4 12. e3 Ne6 13. e4 c6 14. Ne3 a5 15. Bh3 Qb6 16. Rb1 f5 17. exf5 Ng5 18. Bg2 gxf5 19. h4 f4 20. c5 Qxc5 21. hxg5 fxe3 22. Ne4 exf2+ 23. Kh2 Qe3 24. Qh5 d5 25. Qg6 Bf5 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2005.08.13"]
[Round "9"]
[White "Schenkeveld, Dick"]
[Black "Vos, Jan Pieter"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1859"]
[BlackElo "2115"]
[PlyCount "90"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Be2 Bd7 8. 0-0 Bc6 9. Nc3 Nd7 10. Nxd5 Bxd5 11. Bf4 dxe5 12. Nxe5 a6 13. Bf3 Nf6 14. Rc1 Be7 15. Qa4+ b5 16. Qc2 Bxf3 17. Nxf3 0-0 18. Qc6 Qd5 19. b3 Ba3 20. Rc2 Qxc6 21. Rxc6 Rfc8 22. Ne5 Rxc6 23. Nxc6 Rc8 24. Bc1 Bd6 25. Ne5 Nd5 26. Nd3 Rc2 27. a3 Rc3 28. Nc5 Bxc5 29. dxc5 Rxc5 30. Bd2 Kf8 31. Rc1 Rxc1+ 32. Bxc1 Ke7 33. Bb2 f6 34. g3 Kd6 35. b4 Nb6 36. Kf1 Nc4 37. Bc1 Kd5 38. Ke2 Kd4 39. Kf3 Kd3 40. Kf4 Kc2 41. Be3 Nxe3 42. Kxe3 Kb3 43. Kd4 Kxa3 44. Kc3 e5 45. g4 g6 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2005.08.12"]
[Round "7"]
[White "Nabuurs, Mart"]
[Black "Vos, Jan Pieter"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1915"]
[BlackElo "2115"]
[PlyCount "65"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. g3 b5 4. Bg2 Bb7 5. d3 Nc6 6. Be3 e6 7. f4 Qc7 8. Nf3 d6 9. 0-0 Nf6 10. h3 0-0-0 11. e5 Nd7 12. Ng5 Nb6 13. exd6 Bxd6 14. Nce4 Nd4 15. Nxd6+ Rxd6 16. Bxb7+ Kxb7 17. Ne4 Rc6 18. Nxc5+ Rxc5 19. Bxd4 Rxc2 20. Rc1 Rxc1 21. Qxc1 Qxc1 22. Rxc1 Nd5 23. a3 Rd8 24. Bc3 g6 25. Kf2 Rd7 26. Kf3 Rc7 27. Bd2 Rxc1 28. Bxc1 a5 29. Bd2 b4 30. axb4 axb4 31. Ke4 Kc6 32. Kd4 Kb5 33. g4 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2005.08.12"]
[Round "8"]
[White "Vos, Jan Pieter"]
[Black "Van den Bergh, Peter"]
[Result "1/2-1/2"]
[ECO "C26"]
[WhiteElo "2115"]
[BlackElo "1916"]
[PlyCount "43"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Bd6 7. Ne2 0-0 8. 0-0 c6 9. f4 Nd7 10. d4 exf4 11. Bxf4 Bxf4 12. Nxf4 Nb6 13. Qd3 Qc7 14. Rae1 Bg4 15. h3 Bd7 16. Re5 Rae8 17. Rxe8 Rxe8 18. Be4 g6 19. Qf3 Be6 20. g4 Nd5 21. Bxd5 Bxd5 22. Nxd5 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2005.08.11"]
[Round "6"]
[White "Vos, Jan Pieter"]
[Black "Nabuurs, Joep"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "2115"]
[BlackElo "1901"]
[PlyCount "58"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. c4 f5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 0-0 7. 0-0 c6 8. Rb1 a5 9. a3 e5 10. d3 Nh5 11. f4 Na6 12. Qc2 exf4 13. exf4 Nf6 14. h3 Re8 15. Kh2 Be6 16. b4 axb4 17. axb4 d5 18. c5 d4 19. Na4 Bd5 20. Ng1 Bxg2 21. Qxg2 Nd5 22. b5 Nab4 23. Nb6 Ra2 24. Rf2 Rxf2 25. Qxf2 Nxd3 26. Qa2 Nxc5 27. bxc6 bxc6 28. Ba3 Ne4 29. Qc4 Nd2 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2005.08.10"]
[Round "5"]
[White "Barbe, Tom"]
[Black "Vos, Jan Pieter"]
[Result "1/2-1/2"]
[ECO "D07"]
[WhiteElo "2010"]
[BlackElo "2115"]
[PlyCount "76"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nc3 dxc4 4. d5 Ne5 5. e4 c6 6. Bf4 Ng6 7. Bg3 Bd7 8. Bxc4 e6 9. dxe6 Bxe6 10. Bxe6 fxe6 11. Qb3 Qc8 12. Nf3 Be7 13. Nd4 Nf8 14. f4 Nh6 15. Rf1 Bc5 16. 0-0-0 Ng4 17. Nce2 Qd7 18. h3 Nf6 19. f5 Qe7 20. Nxe6 Nxe6 21. fxe6 0-0 22. Bh4 Rae8 23. Nf4 Bd6 24. Nd3 Qxe6 25. Qxe6+ Rxe6 26. e5 Bxe5 27. Nxe5 Rxe5 28. Bxf6 Rxf6 29. Rxf6 gxf6 30. Rd7 Rc5+ 31. Kb1 Rb5 32. Kc2 a5 33. g4 Rc5+ 34. Kd3 b5 35. h4 Rc4 36. Rd4 Rc1 37. Rd8+ Kf7 38. Rd7+ Ke6 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2005.08.10"]
[Round "4"]
[White "Vos, Jan Pieter"]
[Black "Hamblok, Roel"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2115"]
[BlackElo "1945"]
[PlyCount "45"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 0-0 11. 0-0 d4 12. Ne4 Nxe4 13. Bxe4 Qf6 14. Qh5 h6 15. f4 Re8 16. Bd3 Ne7 17. g4 Ng6 18. f5 Ne5 19. g5 hxg5 20. Bxg5 Qd6 21. f6 g6 22. Qh6 Qf8 23. Qh4 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2005.08.09"]
[Round "3"]
[White "De Wit, Tex"]
[Black "Vos, Jan Pieter"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2205"]
[BlackElo "2115"]
[PlyCount "103"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 Nc6 3. d4 e6 4. g3 Bb4+ 5. Bd2 Qe7 6. Bg2 Ne4 7. 0-0 Bxd2 8. Nfxd2 Nxd2 9. Qxd2 d6 10. b4 e5 11. e3 0-0 12. b5 Nd8 13. f4 exd4 14. exd4 Be6 15. Qc3 Qd7 16. Nd2 a6 17. a4 Bh3 18. Bxh3 Qxh3 19. f5 axb5 20. cxb5 c6 21. b6 d5 22. a5 f6 23. Nb3 Re8 24. Rae1 Nf7 25. a6 Rxe1 26. Qxe1 Ng5 27. axb7 Rb8 28. Nc5 Qg4 29. Qe3 Kf7 30. h4 Ne4 31. Nxe4 dxe4 32. Qb3+ Kf8 33. Ra1 Qe2 34. Qa3+ Ke8 35. Qc5 Qe3+ 36. Kh2 g5 37. fxg6 Qe2+ 38. Kh3 h5 39. Qxc6+ Ke7 40. Qc7+ Ke6 41. d5+ Kf5 42. Qf4+ Kxg6 43. Rf1 Qg4+ 44. Qxg4+ hxg4+ 45. Kxg4 Rxb7 46. Rb1 e3 47. Kf3 Kf5 48. Kxe3 Ke5 49. Rb5 f5 50. h5 f4+ 51. gxf4+ Kf5 52. Kd4 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2005.08.09"]
[Round "2"]
[White "Vos, Jan Pieter"]
[Black "De Groote, Jesper"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "2115"]
[BlackElo "1893"]
[PlyCount "79"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Bc5 5. d3 d6 6. h3 a6 7. Nge2 b5 8. 0-0 0-0 9. Kh2 Nd4 10. Nxd4 Bxd4 11. Ne2 Bb7 12. c3 Bb6 13. f4 c5 14. Qc2 Qe7 15. Be3 d5 16. fxe5 Qxe5 17. Bf4 Qe6 18. e5 Nd7 19. d4 Rae8 20. Rae1 f6 21. exf6 Rxf6 22. Qd2 Qf7 23. Ng1 cxd4 24. cxd4 h6 25. Nf3 Rfe6 26. Ne5 Nxe5 27. Bxe5 Qe7 28. Rc1 Rf8 29. Rxf8+ Qxf8 30. Bc7 Qe7 31. Bxb6 Rxb6 32. Qf4 Rd6 33. h4 a5 34. Rc5 Ba6 35. Rxd5 Rf6 36. Rf5 Bc8 37. Rxf6 Qxf6 38. Qb8 Qe6 39. Qxb5 Qf5 40. Qe8+ 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2005.08.08"]
[Round "1"]
[White "Zimmermann, Wim"]
[Black "Vos, Jan Pieter"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1711"]
[BlackElo "2115"]
[PlyCount "49"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Nf3 e6 6. cxd4 d6 7. Nc3 Nc6 8. Nxd5 exd5 9. Be2 Bg4 10. Bf4 Qa5+ 11. Bd2 Qb6 12. Bc3 Rd8 13. Ng5 Bxe2 14. Qxe2 dxe5 15. dxe5 d4 16. Bd2 Be7 17. e6 Bxg5 18. exf7+ Kxf7 19. Qh5+ g6 20. Qxg5 Rhe8+ 21. Kf1 Re5 22. Qh6 Kg8 23. g3 Rf8 24. Qh4 Qxb2 25. Rd1 0-1

[Event "Stork Young Masters op"]
[Site "Hengelo"]
[Date "2004.08.14"]
[Round "9"]
[White "Vos, Jan Pieter"]
[Black "Mazajchik, Tim"]
[Result "1/2-1/2"]
[ECO "B56"]
[PlyCount "45"]
[EventDate "2004.08.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. g3 Nxd4 7. Qxd4 g6 8. e5 dxe5 9. Qxe5 Bg7 10. Bg2 0-0 11. 0-0 Be6 12. Rd1 Qb6 13. Qb5 Qxb5 14. Nxb5 Rfd8 15. Bg5 h6 16. Bxf6 Bxf6 17. Nc7 Rxd1+ 18. Rxd1 Rc8 19. Nxe6 fxe6 20. c3 Rc7 21. Kf1 Kf7 22. Ke2 b5 23. Rd2 1/2-1/2

[Event "Stork Young Masters op"]
[Site "Hengelo"]
[Date "2004.08.13"]
[Round "7"]
[White "Akkerboom, Jacob"]
[Black "Vos, Jan Pieter"]
[Result "0-1"]
[ECO "D07"]
[PlyCount "50"]
[EventDate "2004.08.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. cxd5 Qxd5 4. Nf3 e5 5. Nc3 Bb4 6. Bd2 Bxc3 7. Bxc3 e4 8. Ne5 e3 9. fxe3 Nxe5 10. dxe5 Be6 11. Qxd5 Bxd5 12. e6 f6 13. Rg1 Bxe6 14. g4 h6 15. e4 Ne7 16. e5 Nd5 17. Bd4 0-0-0 18. e3 fxe5 19. Bxe5 Nxe3 20. Rc1 Rd7 21. Be2 Re8 22. h3 Bxg4 23. Bxc7 Bxe2 24. Bg3+ Bc4 25. b3 Ng4+ 0-1

[Event "Stork Young Masters op"]
[Site "Hengelo"]
[Date "2004.08.13"]
[Round "8"]
[White "Van den Berg, Harmen"]
[Black "Vos, Jan Pieter"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2117"]
[PlyCount "70"]
[EventDate "2004.08.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 Be6 7. 0-0-0+ Kc8 8. Nf3 Nbd7 9. Bd3 a6 10. h3 Bd6 11. a3 h6 12. Be3 g6 13. Nd2 b5 14. Nb3 Bxb3 15. cxb3 Bc5 16. Nd5 Bxe3+ 17. fxe3 Nxd5 18. exd5 f5 19. g4 e4 20. Be2 Kb7 21. gxf5 gxf5 22. Rhf1 Raf8 23. Rf4 Rf6 24. Rdf1 Rhf8 25. Kc2 Nb6 26. Rd1 Rd6 27. Rh4 Nxd5 28. Kd2 Nf4+ 29. Kc2 Nxe2 30. Rxd6 cxd6 31. Rxh6 Kc6 32. h4 Rg8 33. h5 Rg2 34. Rh8 Nf4+ 35. Kc3 Nd5+ 0-1

[Event "Stork Young Masters op"]
[Site "Hengelo"]
[Date "2004.08.13"]
[Round "7"]
[White "Vos, Jan Pieter"]
[Black "Smits, Sebastiaan"]
[Result "1/2-1/2"]
[ECO "B54"]
[PlyCount "124"]
[EventDate "2004.08.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 d6 6. g3 b5 7. Bg2 Bb7 8. 0-0 Nd7 9. Re1 Qc7 10. a3 Ngf6 11. f4 Nb6 12. g4 h6 13. g5 hxg5 14. fxg5 Nfd7 15. g6 0-0-0 16. gxf7 d5 17. e5 Bc5 18. Be3 Qxe5 19. h3 Bd6 20. Nf3 Qg3 21. Ne2 Qg6 22. Nf4 Qxf7 23. Ng5 Qf6 24. Nfxe6 Rde8 25. Bd4 Bc5 26. Bxc5 Nxc5 27. Nxc5 Qxg5 28. Qg4+ Qxg4 29. hxg4 Kc7 30. Rad1 Bc8 31. Rxe8 Rxe8 32. Bxd5 Nxd5 33. Rxd5 Kc6 34. Rg5 Re2 35. Nd3 Re4 36. Rxg7 Kb6 37. Rg6+ Ka7 38. g5 Bf5 39. Rg7+ Kb6 40. Rf7 Rg4+ 41. Kf2 Bxd3 42. Rf6+ Kb7 43. cxd3 Rxg5 44. Ke2 Rg2+ 45. Rf2 Rg6 46. Kd2 Kc6 47. Kc3 Rh6 48. Rd2 Rh3 49. Rg2 Rh6 50. Rg4 Rf6 51. Kb4 Kb6 52. Re4 Rd6 53. d4 a5+ 54. Kc3 Kc6 55. Re5 Rh6 56. Re3 Rg6 57. Rh3 Rf6 58. b3 Rg6 59. a4 bxa4 60. bxa4 Kb6 61. Kc4 Rc6+ 62. Kd5 Rg6 1/2-1/2

[Event "Stork Young Masters op"]
[Site "Hengelo"]
[Date "2004.08.11"]
[Round "4"]
[White "Veltman, Jelmer"]
[Black "Vos, Jan Pieter"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2053"]
[PlyCount "85"]
[EventDate "2004.08.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. d3 d6 6. e4 Be6 7. Nge2 h5 8. h4 Qd7 9. Nd5 Nd8 10. d4 Nc6 11. Be3 Nh6 12. f3 Bxd5 13. cxd5 Nxd4 14. Nxd4 exd4 15. Bxd4 f5 16. Bh3 0-0 17. 0-0 Bxd4+ 18. Qxd4 Qg7 19. Qxg7+ Kxg7 20. Rac1 Rac8 21. b4 c6 22. Rfe1 cxd5 23. exd5 Rxc1 24. Rxc1 Rf7 25. Rc8 Ng8 26. Rd8 Nf6 27. Rxd6 Rd7 28. Rxd7+ Nxd7 29. Bf1 Nb6 30. d6 Kf8 31. g4 fxg4 32. fxg4 hxg4 33. Bd3 Kf7 34. Be4 Ke6 35. Bxg6 Kxd6 36. Be4 Ke5 37. Bxb7 Na4 38. Ba6 Nc3 39. a3 Nb1 40. Bd3 Nxa3 41. h5 Kf6 42. h6 Kf7 43. Kg2 1-0

[Event "Stork Young Masters op"]
[Site "Hengelo"]
[Date "2004.08.11"]
[Round "5"]
[White "Vos, Jan Pieter"]
[Black "Tan, Richard1111"]
[Result "1/2-1/2"]
[ECO "A15"]
[PlyCount "32"]
[EventDate "2004.08.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 d6 6. Bg2 e5 7. d3 Nc6 8. 0-0 Nh5 9. Qd2 f5 10. Nc3 h6 11. Nd5 Be6 12. b4 Rb8 13. b5 Ne7 14. Nxe7+ Qxe7 15. Ne1 f4 16. a4 Qd7 1/2-1/2

[Event "Stork Young Masters op"]
[Site "Hengelo"]
[Date "2004.08.10"]
[Round "2"]
[White "Tan, Kevin"]
[Black "Vos, Jan Pieter"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2307"]
[PlyCount "113"]
[EventDate "2004.08.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Be7 7. 0-0 d6 8. f4 Nd7 9. Nc3 h5 10. Qe1 Ngf6 11. h3 h4 12. Nd4 Nc5 13. Be3 Nxd3 14. cxd3 d5 15. Rc1 g6 16. Qf2 Rh5 17. Nb3 b5 18. Bb6 Qd7 19. e5 Ng8 20. Ne2 Bd8 21. Rc2 Bb7 22. Rfc1 Rc8 23. Rxc8 Bxc8 24. Bxd8 Qxd8 25. Qa7 Ne7 26. Ned4 g5 27. Nc6 Qd7 28. Qb6 Nxc6 29. Rxc6 Qd8 30. Qa7 gxf4 31. Rd6 Qe7 32. Qc5 Bd7 33. Qc7 Qd8 34. Qxd8+ Kxd8 35. Nc5 Rxe5 36. Rxd7+ Ke8 37. Ra7 Re1+ 38. Kf2 Rb1 39. Rxa6 Rxb2+ 40. Kf3 e5 41. Nb3 Ke7 42. Na5 Rd2 43. Nc6+ Kf6 44. Nd4+ Kg5 45. Nxb5 Rxd3+ 46. Ke2 e4 47. Ra3 Rxa3 48. Nxa3 d4 49. Nc4 Kf6 50. a4 Ke6 51. a5 Kd5 52. a6 Kc6 53. Nd6 d3+ 54. Kd2 e3+ 55. Kxd3 Kb6 56. Nxf7 Kxa6 57. Ne5 1-0

[Event "Stork Young Masters op"]
[Site "Hengelo"]
[Date "2004.08.10"]
[Round "3"]
[White "Vos, Jan Pieter"]
[Black "Tonoli, Benjamin"]
[Result "1-0"]
[ECO "B34"]
[BlackElo "2073"]
[PlyCount "53"]
[EventDate "2004.08.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nde2 Nf6 7. g3 0-0 8. Bg2 a6 9. a4 Qc7 10. 0-0 Rb8 11. h3 b5 12. axb5 axb5 13. Nd5 Qb7 14. Be3 d6 15. Nxf6+ Bxf6 16. e5 Bxe5 17. Ra7 Nxa7 18. Bxb7 Rxb7 19. f4 Bxb2 20. c3 b4 21. f5 gxf5 22. Bh6 Rd8 23. Qd2 f6 24. Qxb2 bxc3 25. Qxc3 e5 26. g4 d5 27. gxf5 1-0

[Event "Stork Young Masters op"]
[Site "Hengelo"]
[Date "2004.08.09"]
[Round "1"]
[White "Vos, Jan Pieter"]
[Black "Berendsen, David"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "55"]
[EventDate "2004.08.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. f3 c6 6. Qd2 0-0 7. 0-0-0 b5 8. Bh6 b4 9. Nb1 a5 10. h4 Be6 11. Bxg7 Kxg7 12. h5 Ng8 13. d5 Bd7 14. g4 Qb6 15. Nh3 a4 16. Bc4 Rc8 17. hxg6 fxg6 18. Ng5 h6 19. dxc6 Nxc6 20. Ne6+ Bxe6 21. Bxe6 g5 22. Bxc8 Rxc8 23. f4 b3 24. axb3 axb3 25. Qc3+ Nf6 26. fxg5 bxc2 27. gxf6+ exf6 28. Rxd6 1-0

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2004.06.06"]
[Round "?"]
[White "Vos, Jan Pieter"]
[Black "Jens, Jelmer"]
[Result "1-0"]
[ECO "B85"]
[BlackElo "2394"]
[PlyCount "49"]
[EventDate "2004.06.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "CBM 100 Extra"]
[Source "ChessBase"]
[SourceDate "2004.07.06"]
[SourceVersion "2"]
[SourceVersionDate "2004.07.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Qb6 7. Nb3 e6 8. Be3 Qc7 9. Be2 a6 10. a4 b6 11. 0-0 Be7 12. f4 Bb7 13. Bf3 0-0 14. g4 Nd7 15. g5 Nc5 16. Nxc5 dxc5 17. Bg2 Rfd8 18. Qh5 Nd4 19. Rf2 Bc6 20. Raf1 Qb7 21. f5 exf5 22. exf5 Bxg2 23. Rxg2 Nxf5 24. Rxf5 g6 25. Qf3 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.09"]
[Round "9"]
[White "Vos, Jan Pieter"]
[Black "Van Landeghem, Peter"]
[Result "1/2-1/2"]
[ECO "B01"]
[BlackElo "2055"]
[PlyCount "35"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Nf6 6. Bd2 Bf5 7. Ne4 Qc7 8. Nxf6+ gxf6 9. Bc4 Nd7 10. Qe2 e6 11. 0-0-0 0-0-0 12. Nh4 Bg6 13. Kb1 f5 14. Bc3 Bg7 15. Nxg6 hxg6 16. h4 Nf6 17. f3 Rh7 18. g4 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.08"]
[Round "8"]
[White "Porte, Henrik"]
[Black "Vos, Jan Pieter"]
[Result "1-0"]
[ECO "A70"]
[PlyCount "53"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. c4 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bd3 Bg4 9. h3 Bxf3 10. Qxf3 0-0 11. 0-0 Nfd7 12. Bf4 Ne5 13. Qe3 Nbd7 14. Be2 Nb6 15. Bh6 Nec4 16. Bxc4 Nxc4 17. Qc1 Ne5 18. Bxg7 Kxg7 19. f4 Nd3 20. Qd2 c4 21. b3 b5 22. Qe3 Nc5 23. Nxb5 cxb3 24. e5 Re8 25. Qd4 dxe5 26. fxe5 Ne6 27. dxe6 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.08"]
[Round "7"]
[White "Vos, Jan Pieter"]
[Black "Offringa, Tjaart Jan"]
[Result "1/2-1/2"]
[ECO "B92"]
[PlyCount "89"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. Kh1 Qc7 10. f4 b5 11. a3 Bb7 12. Bf3 Nbd7 13. Qe1 Nb6 14. Rf2 Rfe8 15. Na5 Bc8 16. f5 d5 17. exd5 e4 18. Nxe4 Bxf5 19. Nxf6+ Bxf6 20. Re2 Qd7 21. d6 Rxe2 22. Qxe2 Re8 23. Be3 Bd4 24. Bc6 Rxe3 25. Bxd7 Rxe2 26. Bxf5 Bxb2 27. Rd1 Bxa3 28. d7 Nxd7 29. Bxd7 Rxc2 30. h4 Rc1 31. Rxc1 Bxc1 32. Bc8 Bd2 33. Nb3 Be1 34. h5 a5 35. Bd7 a4 36. Nc1 Bd2 37. Na2 a3 38. Bxb5 g6 39. hxg6 fxg6 40. Bc4+ Kg7 41. Kg1 Kf6 42. Kf1 g5 43. Ke2 Bf4 44. Nc3 h5 45. Kf3 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.07"]
[Round "6"]
[White "Vanlerberghe, Filip"]
[Black "Vos, Jan Pieter"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2103"]
[PlyCount "158"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bb4 3. e3 c6 4. Nge2 d5 5. cxd5 Nf6 6. dxc6 Nxc6 7. d3 0-0 8. a3 Be7 9. d4 Qb6 10. dxe5 Rd8 11. Qc2 Nxe5 12. Nd4 Bg4 13. Qb3 Qc7 14. Be2 a6 15. a4 Bc5 16. h3 Bxd4 17. exd4 Be6 18. Qc2 Rxd4 19. Be3 Rd7 20. 0-0 Nd5 21. Bd4 Nb4 22. Qe4 Rxd4 23. Qxd4 Nc2 24. Qf4 Nxa1 25. Rxa1 f6 26. Rc1 Qb6 27. b4 Rd8 28. Ne4 Rd4 29. b5 Rd8 30. bxa6 bxa6 31. Nc5 Rc8 32. Nxe6 Rxc1+ 33. Qxc1 Qxe6 34. Qc7 h6 35. Qa7 Nc4 36. Qa8+ Kh7 37. Bd3+ f5 38. g4 Qe1+ 39. Kg2 Ne3+ 40. fxe3 Qd2+ 41. Kf3 Qxd3 42. Qc6 fxg4+ 43. hxg4 Qf1+ 44. Kg3 Qg1+ 45. Kf4 Qh2+ 46. Kf5 Qf2+ 47. Ke6 Qxe3+ 48. Kd7 Qd4+ 49. Kc7 Qxg4 50. Qxa6 Qf4+ 51. Kd7 Qf7+ 52. Kd8 Qd5+ 53. Ke8 h5 54. Qb5 Qxb5+ 55. axb5 h4 56. b6 h3 57. b7 h2 58. b8Q h1Q 59. Qc7 Qe4+ 60. Kf8 Qf5+ 61. Ke8 Qe6+ 62. Kf8 Qf6+ 63. Ke8 Kg6 64. Qc2+ Kg5 65. Qg2+ Kh5 66. Qh2+ Qh4 67. Qe2+ Kh6 68. Kf7 Qf4+ 69. Ke6 Kg5 70. Kd5 Kh4 71. Qe1+ Qg3 72. Qe4+ Qg4 73. Qh1+ Kg5 74. Qc1+ Kh5 75. Qh1+ Kg6 76. Ke5 Qh5+ 77. Qxh5+ Kxh5 78. Kf4 Kh4 79. Kf3 g5 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.06"]
[Round "4"]
[White "Ondersteijn, Niels"]
[Black "Vos, Jan Pieter"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2227"]
[PlyCount "66"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. Bb5+ Bd7 6. Bxd7+ Qxd7 7. 0-0 Nc6 8. d3 e6 9. Kh1 Nge7 10. Qe1 Nd4 11. Rf2 f5 12. a4 0-0 13. Be3 Nec6 14. Nd1 e5 15. exf5 Nxf3 16. Rxf3 Rxf5 17. Nc3 exf4 18. Bxf4 Nd4 19. Rf2 Nxc2 20. Rxc2 Rxf4 21. Nd5 Rf7 22. Re2 Be5 23. Rxe5 dxe5 24. Qxe5 Re8 25. Nf6+ Rxf6 26. Qxf6 Qxd3 27. Rf1 Qd5 28. h3 b6 29. a5 Qe6 30. Qf4 Qe7 31. Qc4+ Kg7 32. Qc3+ Qe5 33. Qb3 Qe6 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.06"]
[Round "5"]
[White "Vos, Jan Pieter"]
[Black "Severijnen, Arjon"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "19"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 g6 4. 0-0 Bg7 5. d3 e5 6. Nbd2 Ne7 7. c3 0-0 8. Re1 Nd7 9. e4 Qc7 10. d4 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.05"]
[Round "2"]
[White "Hummel, Erik Jan"]
[Black "Vos, Jan Pieter"]
[Result "1-0"]
[ECO "B50"]
[PlyCount "55"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Bd7 5. d3 e6 6. 0-0 Be7 7. Re1 0-0 8. Bf1 Nc6 9. d4 cxd4 10. cxd4 Rc8 11. Nc3 a6 12. Bd3 Qc7 13. Bg5 e5 14. Nd5 Qd8 15. Nxe7+ Qxe7 16. Rc1 exd4 17. Bb1 Bg4 18. h3 Bh5 19. g4 Bg6 20. Nxd4 Qe5 21. Nxc6 Rxc6 22. Rxc6 bxc6 23. f4 Qc5+ 24. Kg2 d5 25. Bxf6 gxf6 26. f5 Bh5 27. exd5 Kh8 28. d6 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.05"]
[Round "3"]
[White "Vos, Jan Pieter"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "53"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Bd6 4. Ngf3 Nd7 5. g3 c6 6. Bg2 Ne7 7. c3 f5 8. Qe2 Qc7 9. 0-0 0-0 10. exd5 exd5 11. Ng5 Nf6 12. Ne6 Bxe6 13. Qxe6+ Kh8 14. Nf3 Qd7 15. Ng5 Rae8 16. Nf7+ Rxf7 17. Qxf7 Qc8 18. Bh6 Nh5 19. Qxh5 gxh6 20. Qxh6 Ng6 21. Rae1 f4 22. Bh3 Qb8 23. Bf5 Rg8 24. Re6 fxg3 25. hxg3 Bxg3 26. Re7 Bxf2+ 27. Kh1 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.04"]
[Round "1"]
[White "Vos, Jan Pieter"]
[Black "Van der Molen, Jarich"]
[Result "1-0"]
[ECO "B30"]
[PlyCount "93"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nc6 4. Bb5 Nf6 5. Qe2 Be7 6. 0-0 0-0 7. e5 Nd5 8. d4 a6 9. Bd3 cxd4 10. Nxd4 Nxd4 11. cxd4 Nb4 12. Be4 d5 13. Bf3 Bd7 14. Nc3 Rc8 15. a3 Nc6 16. Be3 Na5 17. Rac1 Rc4 18. Qd1 b5 19. b4 Nb7 20. Be2 Rc7 21. Bd3 f6 22. exf6 Bxf6 23. Qh5 g6 24. Qe2 Nd6 25. Bh6 Rf7 26. Be3 Nc4 27. Bf4 Rc8 28. Be5 Bxe5 29. dxe5 Nxa3 30. f4 Qb6+ 31. Kh1 Qd4 32. Rfd1 Qb6 33. f5 gxf5 34. g4 f4 35. g5 Qe3 36. Qxe3 fxe3 37. Re1 Nc4 38. Bxc4 dxc4 39. Rxe3 Rcf8 40. Kg1 Rf2 41. Ne4 R2f7 42. Nf6+ Kg7 43. Rd1 Bc8 44. Rh3 Rh8 45. Rh6 c3 46. Nh5+ Kf8 47. Rd8+ 1-0

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2002.05.04"]
[Round "9.8"]
[White "Vos, Jan Pieter"]
[Black "Rothuis, Vincent"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "48"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. h3 h6 7. Bb3 0-0 8. 0-0 Bb6 9. Bc2 Ne7 10. Nbd2 Be6 11. d4 Ng6 12. Re1 Nh7 13. Nf1 Ng5 14. Nxg5 hxg5 15. Qh5 Nf4 16. Bxf4 gxf4 17. a4 g6 18. Qh6 a6 19. g3 fxg3 20. Nxg3 Qf6 21. Nf5 exd4 22. cxd4 Bxf5 23. exf5 Bxd4 24. Re4 gxf5 1-0

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2002.05.03"]
[Round "8.9"]
[White "Nobel, Pieter"]
[Black "Vos, Jan Pieter"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "56"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 g6 3. c4 Bg7 4. Nc3 Nf6 5. e4 c6 6. Be3 0-0 7. Bd3 Qc7 8. b4 e5 9. d5 Ng4 10. Qd2 Nxe3 11. Qxe3 f5 12. 0-0 Nd7 13. Rac1 Nf6 14. c5 cxd5 15. cxd6 Qxd6 16. Nb5 Qxb4 17. a3 Qa4 18. Nxe5 fxe4 19. Nc7 Rb8 20. Bb5 Qa5 21. Rc5 Qb6 22. Rb1 Qd6 23. f4 exf3 24. Nxf3 Ng4 25. Ne8 Rxf3 26. Nxd6 Rxe3 27. Nxc8 Bd4 28. Ne7+ Rxe7+ 0-1

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2002.05.03"]
[Round "7.7"]
[White "Vos, Jan Pieter"]
[Black "Tan, Kevin"]
[Result "0-1"]
[ECO "A04"]
[PlyCount "54"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 e5 4. d4 e4 5. Nfd2 d5 6. c4 c6 7. e3 Ne7 8. Nc3 0-0 9. b4 Be6 10. a4 f5 11. c5 Nd7 12. h4 f4 13. Nf1 fxg3 14. Nxg3 Nf6 15. Qb3 Qd7 16. f3 exf3 17. Bxf3 Bg4 18. Bg2 Nh5 19. Nce2 Nxg3 20. Nxg3 Nf5 21. Nxf5 Qxf5 22. Rf1 Qh5 23. Kd2 Rxf1 24. Bxf1 Qxh4 25. Qd3 Rf8 26. Bb2 Rf2+ 27. Kc3 Qh2 0-1

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2002.05.02"]
[Round "6.6"]
[White "Simenon, Jozef"]
[Black "Vos, Jan Pieter"]
[Result "1/2-1/2"]
[ECO "E60"]
[PlyCount "40"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. d4 g6 4. Nf3 Bg7 5. g3 0-0 6. Bg2 d6 7. 0-0 Qc7 8. b3 Nbd7 9. Bb2 e5 10. e3 Rd8 11. Rc1 Nf8 12. Qc2 Bf5 13. e4 Bg4 14. d5 Qc8 15. Nd2 Nh5 16. f3 Bh3 17. b4 Bh6 18. Rce1 Bxg2 19. Kxg2 f5 20. Nb3 Rb8 1/2-1/2

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2002.05.01"]
[Round "5.7"]
[White "Vos, Jan Pieter"]
[Black "Brandenburg, Daan"]
[Result "1/2-1/2"]
[ECO "E60"]
[PlyCount "77"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. c4 0-0 5. g3 d6 6. d4 c6 7. Bg2 Nbd7 8. 0-0 Rb8 9. Qc2 Qc7 10. Nbd2 e5 11. Rfd1 Re8 12. c5 dxc5 13. dxe5 Ng4 14. Rac1 Ngxe5 15. Ne4 Nxf3+ 16. Bxf3 Ne5 17. Ba3 Nxf3+ 18. exf3 b6 19. Bb2 Bf5 20. Bxg7 Kxg7 21. Qc3+ Qe5 22. Nd6 Re6 23. Nxf5+ gxf5 24. Qc4 Qe2 25. Qf4 Rbe8 26. Qxf5 Qxa2 27. Qd3 Qb2 28. Rb1 Qf6 29. Kg2 Re5 30. h4 Rd5 31. Qc4 Rd4 32. Qa6 Re7 33. Rh1 Rd2 34. Rbd1 Rb2 35. h5 h6 36. Rh4 Rxb3 37. Rf4 Qe6 38. Re4 Qf6 39. Rf4 1/2-1/2

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2002.05.01"]
[Round "4.8"]
[White "Welling, Wouter"]
[Black "Vos, Jan Pieter"]
[Result "1/2-1/2"]
[ECO "A67"]
[PlyCount "61"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. Nf3 0-0 10. 0-0 a6 11. Bxd7 Nxd7 12. a4 Rb8 13. Qe2 Re8 14. Re1 Nf8 15. Qd3 Bg4 16. Be3 f5 17. e5 Bxf3 18. gxf3 dxe5 19. Bxc5 Nd7 20. Ba3 Qh4 21. d6 Kh8 22. Nd5 exf4 23. Rxe8+ Rxe8 24. Ne7 Qf6 25. Rd1 Qe6 26. Qd5 Qe3+ 27. Kf1 Nb6 28. Qd3 Be5 29. a5 Qxd3+ 30. Rxd3 Nd7 31. Rb3 1/2-1/2

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2002.04.30"]
[Round "3.3"]
[White "Muhren, Bianca"]
[Black "Vos, Jan Pieter"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2115"]
[PlyCount "87"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Nbd7 9. Qd2 b5 10. a4 b4 11. Nd5 Bxd5 12. exd5 Nb6 13. Bxb6 Qxb6 14. a5 Qb7 15. Bc4 Be7 16. Ra4 Rb8 17. Nc1 Nd7 18. Na2 0-0 19. Rxb4 Qa7 20. b3 Ra8 21. Qf2 Nc5 22. Rb6 Bd8 23. Rxd6 Bxa5+ 24. b4 Bb6 25. Rxb6 Qxb6 26. Qxc5 Qg6 27. Qf2 Rfc8 28. Bb3 a5 29. bxa5 Rxa5 30. Nc1 Ra1 31. 0-0 Raa8 32. Nd3 Qd6 33. c4 Ra3 34. Rb1 Rb8 35. Bc2 Rxb1+ 36. Bxb1 Rb3 37. Bc2 Ra3 38. g3 f5 39. Kg2 Rc3 40. Nb2 g6 41. Qd2 Qa3 42. Bd1 Kf7 43. d6 Ke8 44. Ba4+ 1-0

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2002.04.30"]
[Round "2.4"]
[White "Vos, Jan Pieter"]
[Black "Van Eijk, Sander"]
[Result "1/2-1/2"]
[ECO "A04"]
[PlyCount "54"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. 0-0 Nc6 5. c3 e5 6. d3 Nge7 7. e4 d5 8. exd5 Nxd5 9. Qb3 Nb6 10. Qc2 0-0 11. Be3 Bf5 12. Qc1 Bxd3 13. Rd1 c4 14. Na3 Qe7 15. Nd2 Qe6 16. b3 Nd4 17. cxd4 exd4 18. Bf4 Be2 19. Ndxc4 Bxd1 20. Qxd1 Nd5 21. Bxd5 Qxd5 22. Qd3 Rac8 23. Rd1 Rfd8 24. Nb1 b5 25. Nca3 a6 26. Nc2 Qc5 27. Ne1 Qh5 1/2-1/2

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2002.04.29"]
[Round "1.4"]
[White "Vos, Jan Pieter"]
[Black "Van den Berg, Hilke"]
[Result "1-0"]
[ECO "A30"]
[PlyCount "63"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 Nf6 3. c4 Nc6 4. g3 d5 5. Bb2 d4 6. d3 e5 7. Bg2 Bd6 8. 0-0 0-0 9. Nbd2 Bg4 10. a3 a5 11. Qc2 Qc7 12. Rfe1 Nd7 13. h3 Bf5 14. g4 Bg6 15. Nh4 f5 16. gxf5 Bxf5 17. Nxf5 Rxf5 18. Ne4 Raf8 19. e3 Be7 20. Re2 Bh4 21. Rf1 b6 22. Qd2 Nf6 23. Ng3 Rg5 24. exd4 exd4 25. Bc1 Nh5 26. Re4 Bxg3 27. Qxg5 Bh2+ 28. Kh1 Nf6 29. Re6 Ne5 30. f4 Nf7 31. Qh4 Nd8 32. Ree1 1-0

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "4"]
[White "Broersen, Sjors"]
[Black "Vos, Jan Pieter"]
[Result "1-0"]
[ECO "B93"]
[PlyCount "43"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Nbd7 8. Bc4 b5 9. Bd5 Rb8 10. fxe5 Nxd5 11. Nxd5 Nxe5 12. h3 Be7 13. 0-0 0-0 14. Bf4 Bf6 15. Nxe5 Bxe5 16. Bxe5 dxe5 17. Qh5 f6 18. Rad1 Qe8 19. Rxf6 Be6 20. Rxf8+ Qxf8 21. Qxe5 Qc5+ 22. Kh1 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "2"]
[White "Leenman, Timo"]
[Black "Vos, Jan Pieter"]
[Result "1-0"]
[ECO "A33"]
[PlyCount "115"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. Nc3 cxd4 5. Nxd4 Nc6 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Nd4 Qb6 10. Nb3 Qc7 11. e3 Be7 12. Be2 Ne5 13. Nd2 Rg8 14. g3 b6 15. f4 Nd7 16. Bf3 Rb8 17. Rc1 Nc5 18. Qc2 Rg7 19. b4 Nd7 20. a3 f5 21. Kf2 Nf6 22. h3 Bb7 23. Bxb7 Qxb7 24. Ne2 Rc8 25. Qd3 h5 26. a4 h4 27. Rhg1 Nh5 28. g4 fxg4 29. hxg4 h3 30. g5 b5 31. axb5 axb5 32. Qe4 Qxe4 33. Nxe4 Rxc4 34. Rxc4 bxc4 35. Rh1 Rg8 36. Rxh3 Ng7 37. Nf6+ Bxf6 38. gxf6 Kf8 39. fxg7+ Rxg7 40. Rh8+ Ke7 41. Rc8 d5 42. b5 Kd7 43. Ra8 Kc7 44. Nd4 Rh7 45. Ra7+ Kb6 46. Ra6+ Kb7 47. Rd6 Kc7 48. Ra6 Kb7 49. Ra1 Rh2+ 50. Kg3 Rd2 51. Rb1 Kb6 52. Kf3 Rd3 53. Rh1 Rd2 54. Rh7 Rb2 55. Rxf7 Rb1 56. Rf6 c3 57. Rxe6+ Kb7 58. Rc6 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "9"]
[White "Luteijn, Stefan"]
[Black "Vos, Jan Pieter"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "47"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. f4 Nh6 7. Nd2 Nf5 8. Ndf3 h5 9. Ne2 h4 10. 0-0 Nd7 11. Bd2 c5 12. c3 Rc8 13. Qb5 c4 14. Qxb7 Nb6 15. b4 a6 16. a4 Nd7 17. a5 Nb8 18. b5 Rc7 19. Qb6 Nd7 20. Qxa6 Nb8 21. Qa8 Rc8 22. b6 Rc6 23. a6 Ng3 24. hxg3 1-0

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "9"]
[White "Mazajchik, Tim"]
[Black "Vos, Jan Pieter"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "62"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 d6 5. c4 g6 6. Nf3 Bg7 7. 0-0 Nc6 8. Nc3 Bd7 9. Be3 Nf6 10. Rc1 Ng4 11. Bg5 h6 12. Bh4 g5 13. Bg3 Nge5 14. Nxe5 Nxe5 15. Re1 Bg4 16. Qd2 Rc8 17. h4 e6 18. hxg5 hxg5 19. Be2 Bxe2 20. Qxe2 Rc6 21. b3 Qf6 22. f3 Qh6 23. Red1 Ng6 24. Kf2 Nf4 25. Bxf4 gxf4 26. Qf1 Qh4+ 27. Ke2 Qg3 28. Qf2 Rh2 29. Qxg3 fxg3 30. Kf1 Rh1+ 31. Ke2 Rh2 1/2-1/2

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "6"]
[White "Van Eijk, Sander"]
[Black "Vos, Jan Pieter"]
[Result "1-0"]
[ECO "B90"]
[PlyCount "92"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 b5 9. a4 b4 10. Nd5 Nxd5 11. exd5 Bf5 12. a5 Nd7 13. Qd2 Qc7 14. Bd3 Bxd3 15. Qxd3 Qb7 16. 0-0 Be7 17. f4 0-0 18. Ra4 Rab8 19. Kh1 f5 20. Bb6 e4 21. Qd2 Nxb6 22. axb6 Qxb6 23. Rfa1 Rfc8 24. Nd4 Bf6 25. Nxf5 Qc5 26. Rxa6 Qxc2 27. Qxc2 Rxc2 28. Nxd6 Rxb2 29. Nxe4 Bd4 30. Ra8 Rb1+ 31. Rxb1 Rxa8 32. g3 Ra1 33. Rxa1 Bxa1 34. Kg2 Kf7 35. Kf3 Bd4 36. Nd2 Ke7 37. Ke4 Bg1 38. h3 Kd7 39. Kd3 Bc5 40. Kc4 Bd6 41. Nf3 g6 42. Ne5+ Ke8 43. h4 Bf8 44. Nd3 Kf7 45. Ne5+ Ke8 46. Nc6 Kf7 1-0

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "2"]
[White "Van Elteren, Hugo"]
[Black "Vos, Jan Pieter"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "57"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 e6 6. Nf3 Nc6 7. a3 d6 8. Bd3 dxe5 9. dxe5 Qc7 10. Qe2 Nxe5 11. Bb5+ Bd7 12. Bxd7+ Nxd7 13. 0-0 Bd6 14. g3 0-0 15. Nbd2 N7f6 16. Nc4 Rac8 17. Nxd6 Qxd6 18. Rd1 Qc5 19. Nd4 Qc4 20. Qxc4 Rxc4 21. b3 Rcc8 22. Bb2 Nc3 23. Rd3 Ncd5 24. Rad1 a6 25. Kg2 Ng4 26. R3d2 Rfd8 27. Nf5 exf5 28. Rxd5 Rxd5 29. Rxd5 1/2-1/2

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "4"]
[White "Van Peer, Cedric Johan"]
[Black "Vos, Jan Pieter"]
[Result "0-1"]
[ECO "B95"]
[PlyCount "86"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Bc4 Qc7 8. Bb3 Be7 9. Qd2 h6 10. Be3 Ng4 11. f3 Nxe3 12. Qxe3 Bd7 13. 0-0 Nc6 14. Nxc6 bxc6 15. Kh1 0-0 16. f4 c5 17. Bc4 Rab8 18. b3 Bb5 19. Nxb5 axb5 20. Be2 Bf6 21. Rad1 c4 22. Qd2 Rfd8 23. Rf3 Qc6 24. Re3 Qc5 25. b4 Qa7 26. c3 Ra8 27. Ra1 Qc7 28. Bf3 Ra4 29. Bd1 Ra3 30. Rg3 Kf8 31. Bg4 Qb7 32. Bf3 Bxc3 33. e5 Bxd2 34. Bxb7 Rxg3 35. hxg3 dxe5 36. fxe5 Bc3 37. Rc1 Bxe5 38. Bc6 Bb2 39. Rc2 Bd4 40. Kh2 Rd6 41. Bf3 Ra6 42. Bd1 Rd6 43. Rd2 Bg1+ 0-1

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "7"]
[White "Van den Berg, Harmen"]
[Black "Vos, Jan Pieter"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "94"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 b5 9. Bd3 Nc6 10. Qd2 Rc8 11. g4 Be7 12. 0-0-0 Na5 13. Kb1 Nc4 14. Bxc4 bxc4 15. Nc1 Qa5 16. Nd5 Qb5 17. Qb4 Nxd5 18. Qxb5+ axb5 19. exd5 Bd7 20. Ne2 f5 21. h3 Bd8 22. c3 f4 23. Bf2 h5 24. Rde1 Kf7 25. Kc2 Ra8 26. a3 g5 27. Nc1 hxg4 28. hxg4 Bf6 29. Na2 Rxh1 30. Rxh1 Rh8 31. Rxh8 Bxh8 32. Kd2 e4 33. Ke2 e3 34. Be1 Ke8 35. Kd1 Kd8 36. Nb4 Kc7 37. Ke2 Kb6 38. Kd1 Bf6 39. Kc2 Kc5 40. b3 Bc8 41. bxc4 Kxc4 42. Kb2 Bb7 43. Kc2 Bd8 44. Nc6 Bxc6 45. dxc6 Bb6 46. Kd1 Kd3 47. Bh4 gxh4 0-1

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "1"]
[White "Van den Berg, Hilke"]
[Black "Vos, Jan Pieter"]
[Result "1-0"]
[ECO "B92"]
[PlyCount "57"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. 0-0 h6 9. f4 Nbd7 10. f5 Bxb3 11. axb3 Qb6+ 12. Kh1 Be7 13. Bb5 Rd8 14. Bxd7+ Rxd7 15. Rf3 Qc6 16. Qe2 Bd8 17. Rg3 Kf8 18. Rd3 Bb6 19. Nd5 Nxd5 20. Rxd5 Bd8 21. Be3 Bg5 22. Bf2 h5 23. c3 Bf4 24. Rad1 Ke7 25. Bh4+ f6 26. Bf2 h4 27. Qg4 Bg5 28. R1d3 b6 29. Rh3 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "3"]
[White "Vos, Jan Pieter"]
[Black "Reeve, Daryl"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "69"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. Qb3 Qe7 8. 0-0 Nf6 9. Ba3 d6 10. cxd4 Bb6 11. e5 Nxd4 12. Nxd4 Bxd4 13. Bxf7+ Qxf7 14. Qa4+ Nd7 15. Qxd4 Nxe5 16. f4 0-0 17. Nd2 Nc6 18. Qc3 Qg6 19. Bb2 Be6 20. Rf3 Rf7 21. Raf1 Qf6 22. Qxf6 gxf6 23. Ne4 Bxa2 24. Nxf6+ Kf8 25. Rg3 Rg7 26. Rh3 d5 27. Nxh7+ Rxh7 28. Rxh7 Ne7 29. Ba3 Re8 30. Re1 b6 31. Rexe7 Rxe7 32. Rxe7 c5 33. Rxa7 d4 34. Bxc5+ bxc5 35. Rxa2 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "7"]
[White "Vos, Jan Pieter"]
[Black "Soerdjan, Kiran"]
[Result "1-0"]
[ECO "B75"]
[PlyCount "65"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Bd7 8. Qd2 Nc6 9. Bc4 Qc7 10. Bb3 a6 11. 0-0-0 b5 12. Kb1 Na5 13. Bd5 Nc4 14. Bxc4 bxc4 15. Bg5 Bc6 16. Qe2 Bb7 17. Rhe1 e5 18. Ndb5 axb5 19. Nxb5 Qc6 20. Nxd6+ Ke7 21. f4 h6 22. fxe5 hxg5 23. exf6+ Bxf6 24. e5 Bg7 25. e6 f5 26. Nxb7 Bxb2 27. Rd7+ Kf8 28. e7+ Ke8 29. Rd8+ Kf7 30. Nd6+ Kg7 31. e8Q Rxe8 32. Qxe8 Qxe8 33. Nxe8+ 1-0

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "5"]
[White "Vos, Jan Pieter"]
[Black "Stevens, Fabian"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "65"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nge7 6. Bd3 Ng6 7. h4 Be7 8. g3 Bd7 9. a3 a5 10. Kf1 Qb6 11. Bc2 Rc8 12. Kg2 Qa7 13. a4 Bd8 14. Na3 Be7 15. Nb5 Qb8 16. Ng5 cxd4 17. cxd4 Nb4 18. Bb1 Bxb5 19. axb5 Qc7 20. h5 Nf8 21. h6 g6 22. Qf3 Bd8 23. Bd2 Qe7 24. Rh4 f5 25. exf6 Qxf6 26. Qe2 Nc2 27. Ra4 Bb6 28. Rf4 Qe7 29. Rf7 Qxf7 30. Nxf7 Kxf7 31. Qf3+ Ke7 32. Bg5+ Ke8 33. Qf6 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "5"]
[White "Vos, Jan Pieter"]
[Black "Tan, Richard1111"]
[Result "1/2-1/2"]
[ECO "C54"]
[PlyCount "35"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. 0-0 d6 6. c3 Bg4 7. b4 Bxf3 8. Qxf3 Nxb4 9. Qg3 0-0 10. Nd2 Nc6 11. Nb3 Bb6 12. Kh1 Kh8 13. f4 Nh5 14. Qh3 Nxf4 15. Bxf4 exf4 16. Rxf4 Ne5 17. Rh4 h6 18. Rf1 1/2-1/2

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "6"]
[White "Vos, Jan Pieter"]
[Black "Van Eijk, Sander"]
[Result "0-1"]
[ECO "B52"]
[PlyCount "104"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 g6 6. d4 cxd4 7. Nxd4 Nc6 8. Nc3 Bg7 9. Be3 Nf6 10. f3 0-0 11. 0-0 Rfc8 12. b3 Ne5 13. Rc1 e6 14. Ndb5 a6 15. Nd4 Rab8 16. Qe2 Rd8 17. Rfd1 Qe8 18. h3 Nc6 19. Nxc6 bxc6 20. Bf4 e5 21. Bg5 h6 22. Bxf6 Bxf6 23. Rd3 Qe6 24. Rcd1 Be7 25. Qf2 f5 26. Qe3 Kh7 27. Qa7 Ra8 28. Qb7 Qd7 29. Qxd7 Rxd7 30. Na4 Rc7 31. Nc3 Kg7 32. Kf2 Kf7 33. Ke2 Ke6 34. Rf1 Rd7 35. g4 Rf8 36. Rdd1 Bd8 37. Na4 Ba5 38. exf5+ gxf5 39. a3 Bd8 40. b4 Be7 41. Nc3 d5 42. cxd5+ cxd5 43. Na4 d4 44. Nb6 Rd6 45. Nc4 Rc6 46. Na5 Rc2+ 47. Rd2 Rfc8 48. Nb3 R8c3 49. Rxc2 Rxc2+ 50. Nd2 Bg5 51. Rd1 Ra2 52. gxf5+ Kxf5 0-1

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "3"]
[White "Vos, Jan Pieter"]
[Black "Van Vliet, Jeffrey"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "44"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. a4 Nc6 7. g3 Rc8 8. Bh3 cxd4 9. cxd4 Na5 10. Nbd2 Ne7 11. b4 Qxb4 12. Ba3 Qc3 13. 0-0 Qc2 14. Qe2 Nb3 15. Rab1 Nxd2 16. Nxd2 Qxa4 17. Bc5 b6 18. Rb4 Qa2 19. Bd6 Rc2 20. Rd1 Nc6 21. Rbb1 Nxd4 22. Qd3 Rxd2 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "8"]
[White "Vos, Jan Pieter"]
[Black "Van der Eijk, Martijn"]
[Result "1-0"]
[ECO "B30"]
[PlyCount "105"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 bxc6 5. e5 g6 6. 0-0 d6 7. c3 Bg7 8. d4 cxd4 9. Qxd4 Bb7 10. Qb4 Rb8 11. Bf4 c5 12. Qa4+ Qd7 13. Qxd7+ Kxd7 14. exd6 e6 15. Nbd2 f6 16. Nb3 e5 17. Nxc5+ Kxd6 18. Nxb7+ Rxb7 19. Rad1+ Ke6 20. Bc1 Ne7 21. Rfe1 Kf7 22. Nd2 Rd8 23. Nc4 Rbd7 24. Rxd7 Rxd7 25. Be3 Nf5 26. Kf1 Nxe3+ 27. Nxe3 Ke6 28. Ke2 Rc7 29. Rd1 f5 30. Rd8 Bf6 31. Rb8 Rc6 32. Rb7 h5 33. Rb8 f4 34. Nc2 a5 35. Rb5 Bd8 36. f3 g5 37. Ne1 Rb6 38. Rxb6+ Bxb6 39. b4 Kd5 40. Kd3 axb4 41. cxb4 g4 42. a4 Bf2 43. Nc2 e4+ 44. fxe4+ Ke5 45. b5 h4 46. Ke2 Bb6 47. Na3 Kxe4 48. Nc4 f3+ 49. gxf3+ gxf3+ 50. Kf1 Bc7 51. h3 Kf4 52. b6 Bb8 53. a5 1-0

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "8"]
[White "Vos, Jan Pieter"]
[Black "Vanwersch, Sander"]
[Result "1-0"]
[ECO "B45"]
[PlyCount "49"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Bd3 Nxc3 9. bxc3 Qa5 10. 0-0 Qxc3 11. Bf4 Bc5 12. Qf3 Bd4 13. Qg3 g6 14. Rab1 h6 15. Rb3 Qa5 16. Bxg6 Rg8 17. Bxf7+ Kxf7 18. Qh4 Qd8 19. Qh5+ Rg6 20. Bxh6 Qg8 21. Rf3+ Ke7 22. Qh4+ Ke8 23. Rf8+ Qxf8 24. Bxf8 Bxe5 25. Qe7# 1-0

[Event "NED-ch U14 op"]
[Site "Hengelo"]
[Date "2000.08.12"]
[Round "9"]
[White "Struik, Tjapko"]
[Black "Vos, Jan Pieter"]
[Result "1/2-1/2"]
[ECO "B84"]
[PlyCount "56"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Be7 8. Bf3 Qc7 9. Qd2 Bd7 10. g4 h6 11. 0-0-0 Nc6 12. g5 hxg5 13. Bxg5 Nxd4 14. Qxd4 Rc8 15. Qd2 b5 16. h4 b4 17. Ne2 Qc4 18. b3 Qc5 19. Be3 Qc7 20. Kb1 a5 21. Bd4 e5 22. Ba1 Bc6 23. Ng3 Qb7 24. Qe3 g6 25. Bb2 a4 26. Bg2 Ng4 27. Qe2 Nf6 28. Qe3 Ng4 1/2-1/2

[Event "NED-ch U14 op"]
[Site "Hengelo"]
[Date "2000.08.11"]
[Round "7"]
[White "Nabuurs, Joep"]
[Black "Vos, Jan Pieter"]
[Result "0-1"]
[ECO "B80"]
[PlyCount "98"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bc1 Nf6 8. f3 e6 9. Be3 Be7 10. Qd2 Nbd7 11. 0-0-0 Qc7 12. g4 h6 13. Be2 b5 14. h4 g6 15. Bxh6 b4 16. Na4 e5 17. Bg7 Rh7 18. Bxf6 Nxf6 19. g5 Nh5 20. Nb3 Ng3 21. Qxb4 Nxh1 22. Rxh1 Rxh4 23. Rxh4 Bxg5+ 24. Kb1 Bxh4 25. Nb6 Rb8 26. Qa4+ Kf8 27. Nd5 Qa7 28. Qc6 Be7 29. Nxe7 Kxe7 30. a3 a5 31. Bb5 Bd7 32. Qxd7+ Qxd7 33. Bxd7 Kxd7 34. Nxa5 f5 35. exf5 gxf5 36. b4 d5 37. c4 e4 38. fxe4 dxe4 39. Kc2 f4 40. Kd2 f3 41. Nb3 f2 42. Ke2 e3 43. Nc5+ Ke7 44. Ne4 Rf8 45. Nxf2 exf2 46. Kf1 Ke6 47. c5 Kd5 48. a4 Ke4 49. c6 Ke3 0-1

[Event "NED-ch U14 op"]
[Site "Hengelo"]
[Date "2000.08.11"]
[Round "8"]
[White "Vos, Jan Pieter"]
[Black "Muhren, Bianca"]
[Result "1/2-1/2"]
[ECO "B95"]
[PlyCount "39"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 a6 7. Qd2 Be7 8. Be2 Nc6 9. h4 Qc7 10. 0-0-0 Bd7 11. f3 0-0-0 12. Be3 Ne5 13. Kb1 Nc4 14. Bxc4 Qxc4 15. Nb3 Qc7 16. Qf2 Rdf8 17. Bb6 Qb8 18. Ba7 Qc7 19. Bb6 Qb8 20. Ba7 1/2-1/2

[Event "NED-ch U14 op"]
[Site "Hengelo"]
[Date "2000.08.10"]
[Round "6"]
[White "Vos, Jan Pieter"]
[Black "Visschedijk, Gillian"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "53"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. a3 Bb5 7. Bxb5+ Qxb5 8. a4 Qb6 9. 0-0 Nc6 10. Na3 Nge7 11. dxc5 Qxc5 12. Nb5 Nd8 13. Nd6+ Kd7 14. Be3 Qc7 15. Ng5 f6 16. Nf3 Ng6 17. Nb5 Qb8 18. exf6 gxf6 19. c4 a6 20. Nc3 Bb4 21. cxd5 Bxc3 22. dxe6+ Kxe6 23. bxc3 Nc6 24. Qb3+ Ke7 25. Bc5+ Kd7 26. Rad1+ Kc8 27. Qe6+ 1-0

[Event "NED-ch U14 op"]
[Site "Hengelo"]
[Date "2000.08.09"]
[Round "4"]
[White "Van Kerkhof, David"]
[Black "Vos, Jan Pieter"]
[Result "1-0"]
[ECO "D11"]
[PlyCount "34"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 c6 2. Nf3 d5 3. e3 Nf6 4. Bd3 Bg4 5. c4 e6 6. Nc3 c5 7. cxd5 Nxd5 8. Qa4+ Nc6 9. Bb5 Nb6 10. Bxc6+ Ke7 11. Qb5 bxc6 12. Qxc5+ Qd6 13. Ne5 Bf5 14. Nxc6+ Ke8 15. Qb5 Nd7 16. Qb7 Nb6 17. Nb5 Qb4+ 1-0

[Event "NED-ch U14 op"]
[Site "Hengelo"]
[Date "2000.08.09"]
[Round "5"]
[White "Veltman, Jelmer"]
[Black "Vos, Jan Pieter"]
[Result "0-1"]
[ECO "B95"]
[PlyCount "94"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Bd3 Qb6 8. Nb3 Nbd7 9. 0-0 Be7 10. Qd2 0-0 11. Rfe1 Qc7 12. h3 b5 13. a3 Bb7 14. Nd4 Qb6 15. Nf3 Rac8 16. Be3 Qc7 17. Bg5 Nc5 18. Rad1 Rfd8 19. Nh2 Ncd7 20. Ng4 h5 21. Nxf6+ Bxf6 22. Bxf6 Nxf6 23. Qf4 Qc6 24. Re3 Qc5 25. Rg3 Kf8 26. Qg5 Qxg5 27. Rxg5 g6 28. Rg3 Nd7 29. f4 Nc5 30. Re3 d5 31. exd5 Bxd5 32. Nxd5 Rxd5 33. Re5 Rxe5 34. fxe5 Nxd3 35. Rxd3 Rxc2 36. Rd6 a5 37. b4 axb4 38. axb4 Rc4 39. Kf1 Rxb4 40. Rb6 Rb2 41. g4 b4 42. gxh5 gxh5 43. h4 Kg7 44. Ke1 b3 45. Kf1 Rb1+ 46. Kf2 b2 47. Kg2 Kg6 0-1

[Event "NED-ch U14 op"]
[Site "Hengelo"]
[Date "2000.08.08"]
[Round "2"]
[White "Vos, Jan Pieter"]
[Black "Tillema, Berend"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "99"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 0-0 8. 0-0 Rd8 9. f4 d5 10. e5 Nxe5 11. fxe5 Qxe5 12. Bf4 Bxd4+ 13. cxd4 Qe6 14. Bd3 c6 15. Be5 Rf8 16. Qh5 g6 17. Qg5 f5 18. Nc3 Qf7 19. Rae1 Be6 20. Ne2 Nc8 21. Nf4 Nb6 22. Nxe6 Qxe6 23. Bg7 Qf7 24. Re7 Qxe7 25. Qxe7 Rf7 26. Qe6 Kxg7 27. Qe5+ Kg8 28. Qg3 Kh8 29. Re1 Rc8 30. Re6 Na4 31. Qe5+ Kg8 32. Re8+ Rxe8 33. Qxe8+ Kg7 34. Qe5+ Kg8 35. Qb8+ Kg7 36. b3 Nb2 37. Qe5+ Kf8 38. Bf1 Re7 39. Qh8+ Kf7 40. Qxh7+ Kf6 41. Qh4+ Kf7 42. Qf4 Nd1 43. h4 Kf6 44. Qg5+ Kf7 45. h5 gxh5 46. Qxh5+ Kf6 47. Qxd1 Re4 48. Qh5 Re7 49. Bd3 f4 50. Qg6# 1-0

[Event "NED-ch U14 op"]
[Site "Hengelo"]
[Date "2000.08.08"]
[Round "3"]
[White "Vos, Jan Pieter"]
[Black "Timmermans, Mark"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "77"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bb4+ 5. c3 Bc5 6. Be3 Qe7 7. Bd3 d6 8. 0-0 Nf6 9. Nxc6 bxc6 10. Bxc5 dxc5 11. Nd2 0-0 12. f4 Rd8 13. Bc2 Ba6 14. Re1 Rd7 15. Qc1 Rad8 16. Nf3 Bd3 17. Ne5 Rd6 18. Nxd3 Rxd3 19. Bxd3 Rxd3 20. Qc2 c4 21. Qf2 c5 22. h3 h6 23. e5 Nd7 24. Rad1 Rxd1 25. Rxd1 Nb6 26. Qc2 g6 27. Qe4 Qh4 28. e6 Qe7 29. f5 gxf5 30. exf7+ Qxf7 31. Qe5 Na4 32. Rd8+ Kh7 33. Qh8+ Kg6 34. Rg8+ Kh5 35. g4+ fxg4 36. hxg4+ Kh4 37. Qxh6+ Kg3 38. Qh2+ Kf3 39. Qf2+ 1-0

[Event "NED-ch U14 op"]
[Site "Hengelo"]
[Date "2000.08.07"]
[Round "1"]
[White "Ijsselhof, Rinske"]
[Black "Vos, Jan Pieter"]
[Result "0-1"]
[ECO "B52"]
[PlyCount "54"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. Nf3 Nf6 4. Bc4 d6 5. 0-0 Bg7 6. Bb5+ Bd7 7. Bxd7+ Qxd7 8. d3 Nc6 9. Bg5 0-0 10. Bxf6 Bxf6 11. Nd5 Bxb2 12. Qd2 Bxa1 13. Rxa1 Kg7 14. Qc3+ f6 15. Qb3 e6 16. Qb5 exd5 17. exd5 Ne5 18. Nxe5 Qxb5 19. c4 Qb2 20. Rf1 fxe5 21. g3 Rf3 22. Kg2 Raf8 23. Kh3 Rxf2 24. Rxf2 Rxf2 25. Kh4 Qe2 26. g4 Rxh2+ 27. Kg5 h6# 0-1

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "2000.05.06"]
[Round "9"]
[White "Vos, Jan Pieter"]
[Black "Muhren, Bianca"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "56"]
[EventDate "2000.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Be2 d6 6. 0-0 a6 7. d3 b5 8. Kh1 Nf6 9. d4 b4 10. e5 bxc3 11. exf6 Bxf6 12. bxc3 0-0 13. Be3 Qa5 14. Qd2 Bf5 15. h3 cxd4 16. Nxd4 Nxd4 17. Bxd4 Bxd4 18. Qxd4 Bxc2 19. g4 Rfc8 20. f5 Qxc3 21. Qf4 Qe5 22. fxg6 Bxg6 23. Qxe5 dxe5 24. Rac1 a5 25. h4 Rab8 26. Ba6 Be4+ 27. Kg1 Rxc1 28. Rxc1 Rb1 0-1

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "2000.05.05"]
[Round "8"]
[White "Tan, Richard1111"]
[Black "Vos, Jan Pieter"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "78"]
[EventDate "2000.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 g6 6. Bf4 Bg7 7. Nf3 Nf6 8. Nbd2 Nh5 9. Bg5 0-0 10. 0-0 Be6 11. Nb3 b6 12. Re1 Nf6 13. Bb5 Nb8 14. a4 a6 15. Bd3 Nbd7 16. Bf4 Qc8 17. Ng5 Nh5 18. Bd2 Qc6 19. Nxe6 fxe6 20. Qe2 e5 21. dxe5 Nxe5 22. Bxa6 Nf4 23. Bxf4 Rxf4 24. Nd4 Qf6 25. Bb7 Rd8 26. Rf1 Rd7 27. Ba8 Rd8 28. Bb7 Rd7 29. Bc8 Rd8 30. Bh3 Re4 31. Qc2 Nc6 32. Nxc6 Qxc6 33. g3 Qc4 34. Rae1 Rxe1 35. Rxe1 e5 36. Bf1 Qc7 37. Qb3 Kh8 38. Qb4 Bf8 39. Qh4 Be7 1/2-1/2

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "2000.05.05"]
[Round "7"]
[White "Vos, Jan Pieter"]
[Black "Breukelman, Jan"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "79"]
[EventDate "2000.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 d5 5. exd5 exd5 6. Bb5 Nf6 7. d4 Qb6 8. Qe2+ Be7 9. dxc5 Qxc5 10. Be3 Qd6 11. 0-0-0 0-0 12. h3 a6 13. Bc4 Be6 14. g4 Na5 15. Bd3 Rfc8 16. f5 Bd7 17. Bd4 b5 18. Be5 Qc5 19. g5 Ne8 20. f6 Bd8 21. fxg7 Bb6 22. Bd4 Qd6 23. Bxb6 Qxb6 24. Nxd5 Qd6 25. Ne7+ Kxg7 26. Nxc8 Rxc8 27. Qe4 Be6 28. Qxh7+ Kf8 29. g6 Qf4+ 30. Kb1 Qf6 31. gxf7 Bxf7 32. Rhf1 Nd6 33. Nh4 Qe6 34. b3 Nc6 35. Ng6+ Ke8 36. Bf5 Bxg6 37. Qh8+ Ke7 38. Qg7+ Qf7 39. Rfe1+ Kd8 40. Rxd6+ 1-0

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "2000.05.04"]
[Round "6"]
[White "Soerdjan, Kiran"]
[Black "Vos, Jan Pieter"]
[Result "1/2-1/2"]
[ECO "B17"]
[PlyCount "77"]
[EventDate "2000.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Bd3 e6 9. 0-0 Bd6 10. Bg5 h6 11. Bh4 0-0 12. Re1 Be7 13. c3 Nd5 14. Bxe7 Qxe7 15. Qd2 Rd8 16. Rad1 b6 17. Ne5 Bb7 18. Be4 Rac8 19. Qc1 Nf6 20. Bf3 Nh7 21. Bh5 Rf8 22. Rd3 Nf6 23. Bf3 c5 24. Bxb7 Qxb7 25. dxc5 Rxc5 26. Rg3 Ne4 27. Rxe4 Qxe4 28. Nd7 Qe2 29. Nxc5 Rd8 30. Rd3 Rxd3 31. Nxd3 Qxd3 32. h3 Qc4 33. b3 Qe2 34. Qb1 Qd2 35. c4 Qc3 36. Kh2 Qd2 37. f3 Qf4+ 38. Kg1 Qe3+ 39. Kh2 1/2-1/2

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "2000.05.03"]
[Round "5"]
[White "Van de Put, Jeroen"]
[Black "Vos, Jan Pieter"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "76"]
[EventDate "2000.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Ng5 Ngf6 6. Bd3 e6 7. N1f3 Bd6 8. Qe2 Nb6 9. 0-0 0-0 10. c4 c5 11. b4 cxb4 12. c5 Bc7 13. cxb6 Bxb6 14. Rd1 Bd7 15. Qc2 h6 16. Bh7+ Kh8 17. Nxf7+ Rxf7 18. Ne5 Be8 19. Nxf7+ Bxf7 20. Be4 Rc8 21. Qe2 Bh5 22. Bf3 Bxf3 23. Qxf3 Rc3 24. Qxb7 Ng4 25. Bf4 e5 26. Bxe5 Nxe5 27. dxe5 Qf8 28. Kh1 Qf4 29. Re1 Rc4 30. Qa8+ Kh7 31. Qf3 Qxf3 32. gxf3 Bxf2 33. Re2 Bc5 34. Rd1 h5 35. Rd5 Rc1+ 36. Kg2 Rg1+ 37. Kh3 Bb6 38. e6 g5 1-0

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "2000.05.03"]
[Round "4"]
[White "Vos, Jan Pieter"]
[Black "Luteijn, Stefan"]
[Result "1/2-1/2"]
[ECO "C47"]
[PlyCount "36"]
[EventDate "2000.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 Qe7 8. 0-0 0-0 9. Bg5 Bxc3 10. bxc3 Qe5 11. f4 Qxc3 12. e5 Qd4+ 13. Kh1 Ne4 14. c3 Qd5 15. c4 Qd4 16. Bh4 g6 17. Qc2 Nc5 18. Be2 Ne6 1/2-1/2

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "2000.05.02"]
[Round "2"]
[White "Van den Berg, Hilke"]
[Black "Vos, Jan Pieter"]
[Result "1-0"]
[ECO "D26"]
[PlyCount "45"]
[EventDate "2000.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. Bd3 Nc6 8. 0-0 0-0 9. Be3 dxc4 10. Bxc4 Bxc3 11. bxc3 Qa5 12. Qc2 b5 13. Bd3 h6 14. Nd2 Nd5 15. Rfc1 Nb6 16. Nb3 Qa4 17. Qe2 a6 18. Bxh6 Nxd4 19. cxd4 gxh6 20. Qg4+ Kh8 21. Qh5 Kg7 22. Rc7 Nd5 23. Qg6+ 1-0

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "2000.05.02"]
[Round "3"]
[White "Vos, Jan Pieter"]
[Black "Rietman, Frits"]
[Result "1/2-1/2"]
[ECO "B23"]
[PlyCount "39"]
[EventDate "2000.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 e6 4. Nf3 Nc6 5. Bb5 Nge7 6. 0-0 g6 7. Kh1 Bg7 8. d4 cxd4 9. Nxd4 a6 10. Bxc6+ Nxc6 11. Nce2 Nxd4 12. Nxd4 Qc7 13. c3 0-0 14. Be3 b6 15. f5 e5 16. Nb3 Bb7 17. f6 Bh8 18. Qg4 Rad8 19. Qh4 d5 20. Rf5 1/2-1/2

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "2000.05.01"]
[Round "1"]
[White "Vos, Jan Pieter"]
[Black "De Wit, Tex"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "71"]
[EventDate "2000.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. d5 0-0 7. Be2 Nbd7 8. 0-0 a6 9. a4 Qc7 10. h3 Nh5 11. Qe1 Bxc3 12. bxc3 Ng7 13. Qh4 f6 14. g4 c4 15. Nd4 Nc5 16. Bf3 e5 17. Ne2 exf4 18. Qh6 g5 19. h4 Qe7 20. Nd4 Nd7 21. Ba3 Ne5 22. hxg5 Nxf3+ 23. Rxf3 Qe5 24. Raf1 Qxg5 25. Qxg5 fxg5 26. Bxd6 Re8 27. Nf5 Rxe4 28. Nh6+ Kh8 29. Nf7+ Kg8 30. Nxg5 Re8 31. Rxf4 Bd7 32. Rf7 Bxg4 33. Rxb7 h6 34. Rff7 Re1+ 35. Kf2 Re2+ 36. Kf1 1-0

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "1999.05.08"]
[Round "9"]
[White "Jansen, Bob"]
[Black "Vos, Jan Pieter"]
[Result "1-0"]
[ECO "C88"]
[PlyCount "75"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. Bd5 Nxd5 9. exd5 Nb4 10. Nxe5 Nxd5 11. d4 Bb7 12. Nd2 d6 13. Nd3 Bf6 14. c3 Qd7 15. Ne4 Qf5 16. f3 Rfe8 17. a4 bxa4 18. Rxa4 Qd7 19. Ra1 Be7 20. Nf4 Nxf4 21. Bxf4 f5 22. Ng3 Bd5 23. Qc2 Rf8 24. Qd3 Bh4 25. Rec1 g5 26. Bd2 Bxg3 27. hxg3 Bf7 28. Bxg5 Rab8 29. b4 Kg7 30. Qd2 Kg8 31. Bh6 Bg6 32. Bxf8 Rxf8 33. Rxa6 f4 34. g4 Kg7 35. Re1 Rf7 36. Ra8 Re7 37. Rxe7+ Qxe7 38. Ra1 1-0

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "1999.05.07"]
[Round "8"]
[White "Van Elteren, Hugo"]
[Black "Vos, Jan Pieter"]
[Result "1/2-1/2"]
[ECO "C29"]
[PlyCount "60"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 f5 6. d3 Nxc3 7. bxc3 c5 8. Be3 Nc6 9. Ne2 Nxe5 10. Qg3 Ng6 11. Nf4 Bd6 12. Qf3 Nxf4 13. Bxf4 Bxf4 14. Qxf4 Qf6 15. Kd2 0-0 16. Re1 Bd7 17. g3 Rae8 18. Bg2 Bc6 19. c4 dxc4 20. Qxc4+ Kh8 21. Bxc6 Qxc6 22. Rhf1 Qg2+ 23. Kd1 Rxe1+ 24. Rxe1 Qf3+ 25. Kd2 Qh5 26. Qxc5 Qxh2+ 27. Re2 Qh6+ 28. Kd1 Qh1+ 29. Kd2 Qh6+ 30. Kd1 Qh1+ 1/2-1/2

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "1999.05.07"]
[Round "7"]
[White "Vos, Jan Pieter"]
[Black "Van Deutekom, Yde"]
[Result "1/2-1/2"]
[ECO "B25"]
[PlyCount "53"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 d6 4. d3 g6 5. Bg2 Bg7 6. f4 Nf6 7. Nf3 e6 8. Be3 Bd7 9. h3 a6 10. Ne2 Rc8 11. 0-0 Qc7 12. Nh4 Ne7 13. g4 b5 14. Ng3 h6 15. c3 Nh7 16. f5 g5 17. Nf3 Nf6 18. Qd2 exf5 19. Nxf5 Bxf5 20. exf5 Nc6 21. Bf2 0-0 22. Bg3 Rfe8 23. Rae1 Ne5 24. Bh2 Re7 25. d4 Nc4 26. Qc1 Rce8 27. Rxe7 1/2-1/2

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "1999.05.06"]
[Round "6"]
[White "Harmsen, Victor"]
[Black "Vos, Jan Pieter"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "50"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Nxe4 d5 6. Bxd5 Qxd5 7. Nc3 Qd8 8. d3 Bg4 9. Be3 Bd6 10. h3 Bh5 11. a3 f5 12. Qc1 f4 13. Bd2 Qe7 14. g4 fxg3 15. Qd1 Qf6 16. Bg5 Qxf3 17. Qxf3 Bxf3 18. Rg1 gxf2+ 19. Kxf2 0-0 20. Ke1 Nd4 21. Rc1 Bh5 22. Kd2 Nf3+ 23. Ke3 Nxg1 24. Nd5 Rae8 25. c3 Bc5+ 0-1

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "1999.05.05"]
[Round "4"]
[White "Nederlof, Jesper"]
[Black "Vos, Jan Pieter"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "60"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 d6 6. Bg5 Be6 7. Nd5 Bb6 8. Nh4 Ba5+ 9. c3 Bxd5 10. Bxd5 h6 11. Bxf6 Qxf6 12. Nf3 Bb6 13. Bxc6+ bxc6 14. Qa4 0-0 15. Qxc6 g5 16. Qd7 Qf4 17. Qf5 Qxf5 18. exf5 Rab8 19. 0-0 a5 20. b3 f6 21. Rfe1 d5 22. Rad1 c5 23. c4 d4 24. Nd2 Bd8 25. Ne4 Be7 26. g3 Kf7 27. Kg2 Rg8 28. Kf3 h5 29. g4 hxg4+ 30. Kxg4 Rh8 1/2-1/2

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "1999.05.05"]
[Round "5"]
[White "Vos, Jan Pieter"]
[Black "Luteijn, Stefan"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "65"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 a5 7. g3 a4 8. Bh3 Bd7 9. 0-0 cxd4 10. cxd4 Nge7 11. Nc3 Qa6 12. Bd2 Ng6 13. Re1 Be7 14. Bf1 Qa7 15. Be3 0-0 16. Nb5 Qa5 17. Ng5 Ncxe5 18. dxe5 Bxg5 19. Nd6 Bxe3 20. Rxe3 Qb6 21. Ne4 Nxe5 22. Ng5 Ng6 23. Qh5 h6 24. Nf3 Qxb2 25. Rd1 Rac8 26. Rd2 Rc2 27. Rxc2 Qxc2 28. Bd3 Qc1+ 29. Kg2 Qd1 30. Bxg6 fxg6 31. Qxg6 Rf6 32. Qg4 Bb5 33. Ne5 0-1

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "1999.05.04"]
[Round "2"]
[White "Van de Put, Jeroen"]
[Black "Vos, Jan Pieter"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "44"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Be3 Bb6 6. Nbd2 d5 7. exd5 Nxd5 8. Qe2 Bg4 9. h3 Bh5 10. 0-0-0 Qd7 11. g4 Nxe3 12. fxe3 Bg6 13. Bb5 f6 14. g5 0-0-0 15. h4 a6 16. Ba4 Qd5 17. Bb3 Qc5 18. Be6+ Kb8 19. h5 Bxd3 20. Nb3 Bxe2 21. Nxc5 Rxd1+ 22. Rxd1 Bxc5 0-1

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "1999.05.04"]
[Round "3"]
[White "Vos, Jan Pieter"]
[Black "Struik, Tjapko"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "130"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nc3 Nc6 6. Be3 Bf5 7. Be2 e6 8. Nf3 Be7 9. 0-0 Qd7 10. Ne5 Nxe5 11. dxe5 0-0-0 12. c5 Nd5 13. c6 Qxc6 14. Bb5 Nxc3 15. Bxc6 Nxd1 16. Bxa7 bxc6 17. Rfxd1 Kb7 18. Be3 Rxd1+ 19. Rxd1 Rd8 20. Ra1 h6 21. a4 Bb4 22. a5 Bxa5 23. g4 Be4 24. f3 Bxf3 25. Rxa5 Bxg4 26. Kg2 Ra8 27. Rc5 Ra2 28. Bd4 Bf5 29. Rc4 Be4+ 30. Kg3 Bd5 31. Rb4+ Kc8 32. Bc3 Ra1 33. Rf4 Rg1+ 34. Kf2 Rg2+ 35. Kf1 Rxh2 36. Rxf7 Rg2 37. Ba5 Rxb2 38. Rxc7+ Kb8 39. Rxg7 Rh2 40. Bc7+ Kb7 41. Rh7 Ka6 42. Bd6 h5 43. Kg1 Rh1+ 44. Kf2 h4 45. Be7 h3 46. Kg3 Kb5 47. Rxh3 Rxh3+ 48. Kxh3 Kc4 49. Kg3 Kd4 50. Bd6 c5 51. Kf2 c4 52. Ke1 Kc3 53. Kd1 Kb2 54. Bc5 c3 55. Bd4 Bb3+ 56. Ke2 Kc2 57. Ke3 Bc4 58. Kf2 Kd2 59. Be3+ Kd1 60. Kg3 c2 61. Kf4 c1Q 62. Bxc1 Kxc1 63. Ke3 Kc2 64. Kd4 Bd5 65. Ke3 Kc3 0-1

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "1999.05.03"]
[Round "1"]
[White "Vos, Jan Pieter"]
[Black "Erwich, Marc"]
[Result "0-1"]
[ECO "C47"]
[BlackElo "2059"]
[PlyCount "76"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 c6 11. Na4 h6 12. Bh4 Bd6 13. Bg3 Bxg3 14. fxg3 Be6 15. b4 Qd6 16. c3 Nd7 17. Qc2 c5 18. a3 Rac8 19. Bh7+ Kh8 20. Rf3 cxb4 21. axb4 Ne5 22. Re3 d4 23. Re2 d3 24. Bxd3 Qxd3 25. Qxd3 Nxd3 26. Rd2 Bc4 27. Rad1 Bb3 28. Rxd3 Bxa4 29. Ra1 Bb5 30. Rd5 a6 31. Rc1 Rc7 32. Re5 Rfc8 33. Re3 Rc4 34. Rf3 f6 35. Rd3 Rxb4 36. Rd8+ Rxd8 37. cxb4 Rd2 38. Rb1 Bc6 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Benning, Tijmen Jan"]
[Black "Vos, Jan Pieter"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "62"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[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 Bg4 9. h3 Bh5 10. Be3 Bd6 11. Qd2 Bb4 12. a3 Ba5 13. b4 Bb6 14. Bxb6 axb6 15. 0-0 Bxf3 16. gxf3 0-0 17. Rfe1 Nd4 18. Re3 Qg5+ 19. Kf1 Nxf3 20. Qc1 Qg1+ 21. Ke2 Nd4+ 22. Kd2 Qxf2+ 23. Ne2 Nxe2 24. Rxe2 Qf4+ 25. Re3 Rad8 26. Qb2 e4 27. Rg1 Qf2+ 28. Re2 e3+ 29. Kd1 Qxg1+ 30. Re1 Qf2 31. Qe5 Qd2# 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Broekmeulen, Jasper"]
[Black "Vos, Jan Pieter"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "50"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Be2 Nxe4 7. Qd3 d5 8. 0-0 0-0 9. Nxc6 bxc6 10. Nxe4 dxe4 11. Qxe4 Qe7 12. Qxe7 Bxe7 13. Be3 Bf5 14. Bf3 Rab8 15. b3 Bxc2 16. Rac1 Bf5 17. Rxc6 Bd6 18. Bxa7 Ra8 19. Bc5 Bd3 20. Bxd6 Bxf1 21. Bxf8 Bb5 22. Rc5 Rxa2 23. g3 Ra1+ 24. Kg2 Bf1+ 25. Kg1 Bh3+ 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Meijering, Tijs"]
[Black "Vos, Jan Pieter"]
[Result "0-1"]
[ECO "C68"]
[PlyCount "82"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nxe5 Qd4 6. Ng4 Qxe4+ 7. Ne3 Nf6 8. Nc3 Qg6 9. d3 Bc5 10. Qe2 0-0 11. Bd2 Re8 12. 0-0-0 Bxe3 13. Bxe3 Ng4 14. h3 Nf6 15. Qf3 Be6 16. Qf4 Rac8 17. b3 Nd5 18. Nxd5 cxd5 19. g4 c5 20. h4 d4 21. h5 Qxg4 22. Qxg4 Bxg4 23. h6 Bxd1 24. Kxd1 dxe3 25. fxe3 Rxe3 26. hxg7 Kxg7 27. Rg1+ Kh8 28. Rf1 Rf8 29. Kc1 f5 30. Kd2 Rg3 31. Ke2 f4 32. a4 f3+ 33. Kf2 Rg2+ 34. Ke1 Rxc2 35. Rf2 Rxf2 36. Kxf2 h5 37. Kf1 f2 38. b4 cxb4 39. d4 b3 40. d5 b2 41. d6 b1Q+ 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Mergeai, Christophe"]
[Black "Vos, Jan Pieter"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "65"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. 0-0 d6 6. h3 0-0 7. Bg5 Be6 8. Bb3 h6 9. Bh4 a5 10. Nc3 Nb8 11. d4 exd4 12. Nxd4 Bxb3 13. axb3 Nbd7 14. Qd3 Ne5 15. Qd2 Ng6 16. Bg3 Re8 17. Rfe1 Bb4 18. Qd3 Nf8 19. Bh4 Ng6 20. Bg3 Ne5 21. Qb5 Qd7 22. Qe2 Nc6 23. Qd3 Nxd4 24. Qxd4 Bxc3 25. bxc3 Re6 26. e5 Rae8 27. Rxa5 c5 28. Qd2 Qc7 29. c4 dxe5 30. f3 Nh5 31. Bf2 Rd6 32. Qc3 Nf4 33. Rxc5 1/2-1/2

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Muris, Yvo"]
[Black "Vos, Jan Pieter"]
[Result "1-0"]
[ECO "C29"]
[PlyCount "71"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. d3 Qh4+ 6. g3 Nxg3 7. Nf3 Qg4 8. hxg3 Qxg3+ 9. Kd2 Qf2+ 10. Qe2 Qxe2+ 11. Bxe2 Bb4 12. a3 Bxc3+ 13. bxc3 c5 14. d4 c4 15. Ke1 Bf5 16. Rb1 b6 17. Rb5 Be4 18. Rg1 g6 19. Ng5 Bxc2 20. Rxd5 Bb3 21. Rf1 0-0 22. e6 f5 23. e7 Re8 24. Rd8 Na6 25. Rxa8 Rxa8 26. d5 Re8 27. d6 Nc5 28. Be3 Nd7 29. Bf3 Ba4 30. Bd5+ Kg7 31. Ne6+ Kf6 32. Bd4+ Ne5 33. Nf8 Kg5 34. Nxh7+ Kh6 35. Rh1+ Kg7 36. Bxe5# 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Schoonman, Merel"]
[Black "Vos, Jan Pieter"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "63"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bc4 Nf6 5. d3 h6 6. 0-0 d6 7. Qe1 Be6 8. Bxe6 fxe6 9. Be3 Nb4 10. Qd2 Qe7 11. Bxc5 dxc5 12. a3 Nc6 13. Nh4 Rg8 14. Qe3 b6 15. Qg3 0-0-0 16. Ng6 Nh5 17. Nxe7+ Kb8 18. Nxc6+ Kb7 19. Nxd8+ Rxd8 20. Qe3 a5 21. Ne2 Rf8 22. c3 Nf6 23. h3 Rd8 24. Rad1 g5 25. d4 exd4 26. cxd4 cxd4 27. Rxd4 Rc8 28. b4 a4 29. Qf3 Ne8 30. e5+ Kb8 31. b5 Ng7 32. Rxa4 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Vos, Jan Pieter"]
[Black "Brandenburg, Rik"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "41"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Nf6 6. Nxc6 dxc6 7. Qxd8+ Kxd8 8. Bxc5 Nxe4 9. Bd4 f6 10. f3 Nd6 11. Nc3 Re8+ 12. Be2 Nc4 13. 0-0-0 Nd6 14. Ne4 Bd7 15. Nxd6 cxd6 16. Bd3 h6 17. Rhe1 Kc7 18. Bg6 Re6 19. Rxe6 Bxe6 20. Re1 Bd5 21. Re7+ 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Vos, Jan Pieter"]
[Black "Michielsen, Joost"]
[Result "0-1"]
[ECO "B02"]
[PlyCount "54"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 d4 4. exf6 dxc3 5. fxg7 Bxg7 6. bxc3 Bf5 7. Bc4 c5 8. Qf3 Bg6 9. Bb5+ Nd7 10. Qxb7 Bf5 11. Bxd7+ Bxd7 12. Ba3 Rc8 13. Qxa7 Bf5 14. Qa4+ Kf8 15. Nf3 Qd5 16. Qf4 Bxc2 17. Qg5 Qc4 18. Rc1 Bd3 19. Qe3 Rc6 20. Kd1 Qa4+ 21. Ke1 Re6 22. Qxe6 fxe6 23. Bxc5 Qxa2 24. Nd4 Bxd4 25. Bxd4 Rg8 26. g3 Qb2 27. Kd1 Be4 0-1

