[Event "NED-ch U14"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "6"]
[White "De Vries, Paul"]
[Black "Klaassen, Jeffrey"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "74"]
[EventDate "1994.??.??"]
[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. Nf3 Nc6 5. Bb5 Bd7 6. Be3 Qa5+ 7. Nc3 cxd4 8. Nxd4 Nxe5 9. Bxd7+ Nxd7 10. Bd2 Qb6 11. Be3 Bc5 12. a3 Qd8 13. b4 Bb6 14. a4 a6 15. Qd2 Ngf6 16. Nf3 Rc8 17. Bxb6 Nxb6 18. Ne2 Nc4 19. Qd3 e5 20. Qd1 Qd6 21. c3 0-0 22. 0-0 Ng4 23. g3 e4 24. Nh4 f5 25. Nd4 Nh6 26. Qb3 Nd2 27. Qa2 Nxf1 28. Kxf1 Rxc3 29. Qb2 Rc4 30. Rb1 f4 31. g4 Nxg4 32. Ndf5 Qe5 33. Qxe5 Nxe5 34. Ne7+ Kh8 35. Nxd5 Nd3 36. Ke2 g5 37. Nf3 Rc2+ 0-1

[Event "NED-ch U14"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "9"]
[White "Klaassen, Jeffrey"]
[Black "Kraakman, Mark"]
[Result "1/2-1/2"]
[ECO "A47"]
[PlyCount "42"]
[EventDate "1994.??.??"]
[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 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. Bd3 Be7 6. Nbd2 Nc6 7. c3 0-0 8. Qc2 h6 9. e4 d6 10. 0-0 Qd7 11. e5 Nh5 12. Bg3 Nxg3 13. fxg3 dxe5 14. dxe5 Bc5+ 15. Kh1 Rad8 16. Bh7+ Kh8 17. b4 Be3 18. Nc4 Bg5 19. Be4 f5 20. exf6 Bxf6 21. a4 Nxb4 1/2-1/2

[Event "NED-ch U14"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "3"]
[White "Klaassen, Jeffrey"]
[Black "Van Houwelingen, Pepi"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "61"]
[EventDate "1994.??.??"]
[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 d5 2. Nf3 Nf6 3. Bf4 Nc6 4. e3 Bf5 5. c3 e6 6. Bb5 a6 7. Bd3 Bxd3 8. Qxd3 Ne4 9. Nbd2 Nxd2 10. Qxd2 Bd6 11. Bg3 0-0 12. Qc2 Re8 13. 0-0 Qd7 14. e4 dxe4 15. Qxe4 b6 16. Qg4 Rad8 17. Bh4 Be7 18. Bg3 Bd6 19. Nd2 e5 20. Qxd7 Rxd7 21. Rfe1 Rdd8 22. d5 Ne7 23. c4 Nf5 24. Ne4 Nxg3 25. Nxg3 f6 26. a3 Rc8 27. b4 g6 28. Re2 f5 29. f3 c6 30. dxc6 Rxc6 31. Rc1 1/2-1/2

[Event "NED-ch U14"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "7"]
[White "Klaassen, Jeffrey"]
[Black "Van Run, Jan"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "87"]
[EventDate "1994.??.??"]
[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 d5 2. Nf3 Nc6 3. Bf4 Bf5 4. e3 a6 5. c3 Nf6 6. Bd3 Bxd3 7. Qxd3 Ne4 8. Nbd2 Nxd2 9. Nxd2 e6 10. e4 dxe4 11. Nxe4 h6 12. Qg3 Rc8 13. h3 Rg8 14. Bxh6 Qd5 15. f3 Qd8 16. Bd2 Be7 17. 0-0 Kf8 18. f4 Bh4 19. Qf3 f5 20. Nc5 Kf7 21. Nxb7 Qd7 22. Qh5+ g6 23. Qh7+ Ke8 24. Qxg8+ Ke7 25. Qh7+ Ke8 26. Qxh4 Qd5 27. Qh8+ Kd7 28. Nc5+ Ke7 29. Qxc8 Nxd4 30. Qxc7+ Ke8 31. Qc8+ Ke7 32. Qb7+ Qxb7 33. Nxb7 Ne2+ 34. Kf2 Nxf4 35. Bxf4 Kf6 36. Nc5 e5 37. Nd7+ Ke6 38. Nxe5 Kd5 39. Nxg6 a5 40. Ne7+ Kc4 41. Nxf5 a4 42. Nd6+ Kd3 43. Rad1+ Kc2 44. Rd2# 1-0

[Event "NED-ch U14"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "8"]
[White "Kleywegt, Martin"]
[Black "Klaassen, Jeffrey"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "55"]
[EventDate "1994.??.??"]
[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 Nc6 5. Nf3 Nge7 6. Bd3 Nf5 7. Bxf5 exf5 8. 0-0 Be7 9. Re1 c4 10. Nbd2 b5 11. Nf1 a5 12. Be3 b4 13. Qd2 Be6 14. Ng3 Qd7 15. Nh5 Bf8 16. Bh6 Qe7 17. Bxg7 Bxg7 18. Nxg7+ Kd7 19. Nh5 Kc7 20. Nf6 Qf8 21. Qc2 a4 22. b3 axb3 23. axb3 Na5 24. bxc4 Nxc4 25. Rxa8 Qxa8 26. cxb4 Qa3 27. Rb1 h6 28. Nh4 1-0

[Event "NED-ch U14"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "2"]
[White "Tjiam, Paul"]
[Black "Klaassen, Jeffrey"]
[Result "1/2-1/2"]
[ECO "A25"]
[PlyCount "45"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. g3 Nc6 4. Bg2 Be6 5. d3 Qd7 6. Nf3 g6 7. a3 Bg7 8. Qc2 a5 9. Bg5 f6 10. Bd2 Nge7 11. e3 f5 12. Ng5 Nd8 13. Nxe6 Qxe6 14. 0-0 c6 15. Rfd1 0-0 16. b4 axb4 17. axb4 Rxa1 18. Rxa1 g5 19. Ra7 f4 20. exf4 gxf4 21. Qd1 Qf5 22. Qf3 fxg3 23. Qxg3 1/2-1/2

[Event "NED-ch U14"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "4"]
[White "Van Rossum, Marloes"]
[Black "Klaassen, Jeffrey"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "85"]
[EventDate "1994.??.??"]
[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. exd5 exd5 4. Nf3 Bg4 5. Be2 Bd6 6. Ne5 Be6 7. Nf3 c6 8. Nbd2 Nf6 9. Nb3 Nbd7 10. Bg5 Qc7 11. Bd3 h6 12. Bxf6 Nxf6 13. Qe2 b6 14. Bf5 Qe7 15. Bxe6 fxe6 16. Ne5 Bxe5 17. Qxe5 0-0 18. f3 Rac8 19. 0-0-0 a5 20. Rhe1 a4 21. Nd2 Rfe8 22. Re2 c5 23. dxc5 Qxc5 24. Nb1 Qc4 25. a3 b5 26. Rd4 Qc5 27. Qe3 e5 28. Rd1 d4 29. Qd3 Rc7 30. Nd2 Qd6 31. Rde1 Rb7 32. f4 Rbe7 33. fxe5 Rxe5 34. Rxe5 Rxe5 35. Rxe5 Qxe5 36. Nf3 Qh5 37. Qxd4 Qg6 38. Qd8+ Kh7 39. Qd3 Nh5 40. Qxg6+ Kxg6 41. Nd4 Kg5 42. Nxb5 Kh4 43. c4 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1993.??.??"]
[Round "6"]
[White "Mooiweer, Christian"]
[Black "Klaassen, Jeffrey"]
[Result "1-0"]
[ECO "C97"]
[PlyCount "79"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 0-0 8. c3 Na5 9. Bc2 d6 10. h3 c5 11. d4 Qc7 12. Bg5 Bb7 13. Nbd2 Rac8 14. Rc1 Rfd8 15. Be3 Nc6 16. Qe2 Qa5 17. a3 Qb6 18. d5 Na7 19. b4 Qc7 20. Nb3 Ba8 21. Bb1 c4 22. Nbd2 Kh8 23. Nh4 Rg8 24. Nf5 Bf8 25. Bc2 Qd7 26. Ra1 Ne8 27. a4 g6 28. Ng3 Ng7 29. Bxa7 Qxa7 30. axb5 Bb7 31. bxa6 Bxa6 32. b5 Be7 33. Rxa6 Qc5 34. Rb1 Bh4 35. Ngf1 f5 36. Qe3 Qxe3 37. Nxe3 fxe4 38. Nxe4 Nf5 39. Nxf5 gxf5 40. Nxd6 1-0

