[Event "NED U20 op"]
[Site "Hengelo"]
[Date "1999.08.14"]
[Round "9"]
[White "Vissers, V."]
[Black "Jagtenberg, J."]
[Result "1-0"]
[ECO "D02"]
[PlyCount "57"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 071 Extra"]
[Source "ChessBase"]
[SourceDate "1999.09.14"]
[SourceVersion "1"]
[SourceVersionDate "1999.09.14"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. c3 e6 4. Bg5 Be7 5. Bxe7 Qxe7 6. e3 Nf6 7. Bd3 Bd7 8. Nbd2 0-0 9. 0-0 Qd6 10. Ne1 e5 11. f4 Bg4 12. Be2 Bxe2 13. Qxe2 e4 14. g4 Nd7 15. g5 Na5 16. Rf2 c5 17. Qh5 g6 18. Qh6 cxd4 19. cxd4 f6 20. Rg2 f5 21. h4 Rf7 22. Rc1 Nb6 23. Nf1 Nc6 24. Ng3 Kh8 25. Nh5 Ne7 26. Nf6 Rg8 27. Rh2 Nd7 28. h5 gxh5 29. Nxg8 1-0

[Event "NED U20 op"]
[Site "Hengelo"]
[Date "1999.08.13"]
[Round "8"]
[White "Jagtenberg, J."]
[Black "Lieven, Menno"]
[Result "0-1"]
[ECO "C40"]
[PlyCount "94"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 071 Extra"]
[Source "ChessBase"]
[SourceDate "1999.09.14"]
[SourceVersion "1"]
[SourceVersionDate "1999.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Nc3 Nc6 4. d3 d6 5. Be3 Nf6 6. exf5 Bxf5 7. d4 exd4 8. Nxd4 Nxd4 9. Bxd4 Be7 10. Qe2 0-0 11. Qf3 Bxc2 12. Qxb7 Qb8 13. Ba6 Qxb7 14. Bxb7 Rab8 15. Bd5+ Kh8 16. b3 c5 17. Be3 Ng4 18. 0-0 Nxe3 19. fxe3 Bf6 20. Rac1 Bxc3 21. Rxc2 Rxf1+ 22. Kxf1 Rf8+ 23. Rf2 Rxf2+ 24. Kxf2 g6 25. Kf3 Kg7 26. Ke4 Kf6 27. Kf3 Ke5 28. e4 a5 29. Bg8 h6 30. Bh7 Kf6 31. Bg8 Bb4 32. Ke3 Ba3 33. Bc4 Ke5 34. g3 Bb2 35. Bd5 Bc1+ 36. Kd3 Bb2 37. Kc4 Bd4 38. Kb5 Bg1 39. Kxa5 Bxh2 40. Kb5 Bxg3 41. a4 Be1 42. Kc4 h5 43. Kd3 h4 44. Ke3 h3 45. Kf3 g5 46. Bc4 g4+ 47. Kxg4 h2 0-1

[Event "NED U20 op"]
[Site "Hengelo"]
[Date "1999.08.13"]
[Round "7"]
[White "Van Rosmalen, Joost"]
[Black "Jagtenberg, J."]
[Result "1-0"]
[ECO "C66"]
[PlyCount "55"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 071 Extra"]
[Source "ChessBase"]
[SourceDate "1999.09.14"]
[SourceVersion "1"]
[SourceVersionDate "1999.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 d6 5. d3 Bd7 6. Bg5 Be7 7. 0-0 Nd4 8. Bxd7+ Nxd7 9. Bxe7 Qxe7 10. Nxd4 exd4 11. Nb5 Nc5 12. Nxd4 Qe5 13. Nb5 Na6 14. Nc3 0-0 15. d4 Qe6 16. Re1 Rfe8 17. a3 Re7 18. Qf3 f6 19. Re3 Rae8 20. h3 b6 21. Rae1 Nb8 22. Qg3 c6 23. f4 Nd7 24. d5 cxd5 25. Nxd5 Nc5 26. Nxe7+ Rxe7 27. e5 f5 28. exd6 1-0

[Event "NED U20 op"]
[Site "Hengelo"]
[Date "1999.08.12"]
[Round "6"]
[White "Visschedijk, Marijn"]
[Black "Jagtenberg, J."]
[Result "1-0"]
[ECO "C62"]
[PlyCount "37"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 071 Extra"]
[Source "ChessBase"]
[SourceDate "1999.09.14"]
[SourceVersion "1"]
[SourceVersionDate "1999.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 d6 4. Bb5 Bd7 5. Nc3 exd4 6. Nxd4 Nxd4 7. Bxd7+ Qxd7 8. Qxd4 Nf6 9. 0-0 c5 10. Qd3 g6 11. Bf4 Rd8 12. Rad1 b6 13. Nb5 d5 14. Nc7+ Ke7 15. exd5 Qa4 16. d6+ Kd7 17. Bg5 Bg7 18. b3 Qc6 19. Qh3+ 1-0

[Event "NED U20 op"]
[Site "Hengelo"]
[Date "1999.08.11"]
[Round "4"]
[White "Jagtenberg, J."]
[Black "Aarts, Rob"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "28"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 071 Extra"]
[Source "ChessBase"]
[SourceDate "1999.09.14"]
[SourceVersion "1"]
[SourceVersionDate "1999.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bc5 5. d3 d6 6. 0-0 Bg4 7. Re1 Nd4 8. Be3 Nxf3+ 9. gxf3 Bh3 10. f4 exf4 11. Bxf4 Ng4 12. Re2 Ne5 13. d4 Bxd4 14. Qxd4 Nf3+ 0-1

[Event "NED U20 op"]
[Site "Hengelo"]
[Date "1999.08.11"]
[Round "5"]
[White "Jagtenberg, J."]
[Black "Pluister, D."]
[Result "1-0"]
[ECO "B25"]
[PlyCount "56"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 071 Extra"]
[Source "ChessBase"]
[SourceDate "1999.09.14"]
[SourceVersion "1"]
[SourceVersionDate "1999.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nf3 Nf6 4. d3 Nc6 5. g3 g6 6. Bg2 Bg7 7. 0-0 0-0 8. Re1 Re8 9. d4 cxd4 10. Nxd4 e6 11. Bg5 Nxd4 12. Qxd4 h6 13. Bxf6 Bxf6 14. Qd3 Bxc3 15. Qxc3 Qe7 16. Rad1 Rd8 17. Qd2 Qd7 18. Qxh6 b6 19. c4 Ba6 20. e5 Bxc4 21. Bxa8 Rxa8 22. Rxd6 Qe7 23. Re4 Qf8 24. Qxf8+ Kxf8 25. Rxc4 Kg7 26. Rc7 b5 27. Rdd7 a5 28. Rxf7+ Kh6 1-0

[Event "NED U20 op"]
[Site "Hengelo"]
[Date "1999.08.10"]
[Round "2"]
[White "Jagtenberg, J."]
[Black "Snuverink, Jochem"]
[Result "0-1"]
[ECO "C46"]
[PlyCount "32"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 071 Extra"]
[Source "ChessBase"]
[SourceDate "1999.09.14"]
[SourceVersion "1"]
[SourceVersionDate "1999.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Nxe5 Nxe5 5. d4 Bd6 6. dxe5 Bxe5 7. Bd2 Nf6 8. Bc4 0-0 9. f4 Bxc3 10. Bxc3 Nxe4 11. Bd4 Qh4+ 12. g3 Nxg3 13. Bf2 Qe7+ 14. Be2 Nxh1 15. Bg1 d5 16. Qxd5 Qh4+ 0-1

[Event "NED U20 op"]
[Site "Hengelo"]
[Date "1999.08.10"]
[Round "3"]
[White "Pouw, Pieter"]
[Black "Jagtenberg, J."]
[Result "1-0"]
[ECO "C62"]
[PlyCount "33"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 071 Extra"]
[Source "ChessBase"]
[SourceDate "1999.09.14"]
[SourceVersion "1"]
[SourceVersionDate "1999.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Nxd4 Bd7 6. Nc3 Nxd4 7. Bxd7+ Qxd7 8. Qxd4 Nf6 9. Bg5 Be7 10. 0-0-0 0-0-0 11. Qxa7 Qg4 12. Bxf6 Bxf6 13. Nd5 Bg5+ 14. Kb1 Qxe4 15. Qa8+ Kd7 16. Qxb7 Qc4 17. Nb6+ 1-0

[Event "NED U20 op"]
[Site "Hengelo"]
[Date "1999.08.09"]
[Round "1"]
[White "Giesen, Janneke"]
[Black "Jagtenberg, J."]
[Result "0-1"]
[ECO "C50"]
[PlyCount "138"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 071 Extra"]
[Source "ChessBase"]
[SourceDate "1999.09.14"]
[SourceVersion "1"]
[SourceVersionDate "1999.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d3 Bg4 5. h3 Bh5 6. Nc3 Na5 7. Be3 Nxc4 8. dxc4 f6 9. Qd3 Bf7 10. 0-0-0 Ne7 11. Rd2 Nc6 12. a3 b6 13. Rhd1 Na5 14. b3 Be7 15. c5 Nb7 16. Qb5+ Kf8 17. Qc6 Nxc5 18. Bxc5 bxc5 19. Nd5 a6 20. Nxc7 Rc8 21. Rxd6 Bxd6 22. Ne6+ Bxe6 23. Rxd6 Bd7 24. Rxd7 Qe8 25. Qd6+ Kg8 26. Qd5+ Kf8 27. Nh4 g6 28. Qd6+ Kg8 29. Re7 Qc6 30. Qxc6 Rxc6 31. Re8+ Kg7 32. Re7+ Kf8 33. Rd7 Ke8 34. Rd3 Ke7 35. g4 c4 36. Rc3 Rhc8 37. b4 Rb8 38. f3 a5 39. bxa5 Ra8 40. a4 Rxa5 41. Ra3 c3 42. Ng2 Rc4 43. Ne3 Rcxa4 44. Rxc3 Ra1+ 45. Kd2 Ra7 46. Nd5+ Kf7 47. Rc6 R7a6 48. Rc7+ Kf8 49. Rc8+ Kg7 50. c4 Rh1 51. c5 Ra3 52. Nc3 Rxh3 53. Kc2 Rxf3 54. Rc7+ Kf8 55. Rc8+ Kf7 56. Rc7+ Ke8 57. Rb7 Raxc3+ 58. Kd2 Rxc5 59. Rb8+ Kf7 60. Rb7+ Kg8 61. Rb8+ Kg7 62. Rb7+ Kh6 63. Rb1 Rf4 64. g5+ Kxg5 65. Rg1+ Rg4 66. Re1 Rc4 67. Re3 Rcxe4 68. Rd3 Rd4 69. Kc3 Rxd3+ 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Brouwers, Geert"]
[Black "Jagtenberg, J."]
[Result "1-0"]
[ECO "C54"]
[PlyCount "73"]
[EventDate "1998.??.??"]
[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. c3 Nf6 5. d4 exd4 6. cxd4 Bb6 7. e5 d5 8. exf6 dxc4 9. d5 Nb8 10. Qe2+ Kf8 11. fxg7+ Kxg7 12. Qe5+ f6 13. Qg3+ Kf7 14. 0-0 Rg8 15. Qh4 Rg7 16. Re1 Qxd5 17. Nc3 Qd7 18. Qh5+ Kf8 19. Bh6 Nc6 20. Rad1 Qf7 21. Bxg7+ Kxg7 22. Qxf7+ Kxf7 23. Nd5 Bg4 24. Nxb6 axb6 25. Rc1 Rxa2 26. Nd2 Rxb2 27. Nxc4 Ra2 28. Ne3 Bh5 29. Nd5 Ne5 30. Rxc7+ Ke6 31. Nf4+ Kd6 32. Rxb7 Nc4 33. Nxh5 Ne5 34. Rxb6+ Kc7 35. Rxf6 Kd7 36. Rf5 Nd3 37. Rd5+ 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Gorski, Rafal"]
[Black "Jagtenberg, J."]
[Result "1-0"]
[ECO "C54"]
[PlyCount "57"]
[EventDate "1998.??.??"]
[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. c3 Nf6 5. d4 exd4 6. cxd4 Bb6 7. d5 Na5 8. Bd3 0-0 9. b4 Re8 10. Nc3 Ng4 11. 0-0 a6 12. bxa5 Bxa5 13. Bb2 Bxc3 14. Bxc3 d6 15. Re1 Ne5 16. Nxe5 dxe5 17. Qh5 f6 18. Rac1 c5 19. dxc6 bxc6 20. Red1 Be6 21. Bc4 Qc8 22. Bxe6+ Qxe6 23. Rd3 Qxa2 24. Rh3 h6 25. Qg6 Rab8 26. Rxh6 Red8 27. Rh7 Rb7 28. Qh5 Qa3 29. Rh8# 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Jagtenberg, J."]
[Black "Dambrink, Wouter"]
[Result "0-1"]
[ECO "C60"]
[PlyCount "43"]
[EventDate "1998.??.??"]
[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. Nc3 g6 4. Bb5 Bg7 5. d3 Nge7 6. Bc4 d6 7. Ng5 0-0 8. 0-0 Na5 9. b3 h6 10. Nf3 Nxc4 11. dxc4 Nc6 12. Be3 Kh7 13. h3 f5 14. Qe2 f4 15. Bc1 g5 16. Ba3 g4 17. hxg4 Bxg4 18. c5 Nd4 19. Qd1 Bxf3 20. gxf3 Rg8 21. Kg2 Qg5+ 22. Kh3 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Jagtenberg, J."]
[Black "Eggink, Raimondo"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "62"]
[EventDate "1998.??.??"]
[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. Nf3 d5 3. e5 c5 4. d3 Nc6 5. c4 d4 6. g3 Nge7 7. Bg2 Ng6 8. Qe2 Qc7 9. 0-0 Ncxe5 10. Nxe5 Qxe5 11. Qd2 Be7 12. Be4 0-0 13. Re1 Qc7 14. Na3 a6 15. Qe2 Bd7 16. Nc2 Bc6 17. Rb1 Rfd8 18. b4 b6 19. Bxg6 hxg6 20. Bf4 Qb7 21. bxc5 Bxc5 22. Rb2 Bf3 23. Qd2 Bh1 24. f3 Bxf3 25. Reb1 f6 26. Qf2 e5 27. Bd2 e4 28. dxe4 Bxe4 29. Ba5 Bxc2 30. Rxc2 d3 31. Qxc5 dxc2 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Jagtenberg, J."]
[Black "Van Kempen, Joost"]
[Result "0-1"]
[ECO "B41"]
[PlyCount "118"]
[EventDate "1998.??.??"]
[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. c4 Nc6 3. Nc3 e6 4. Nf3 a6 5. d4 cxd4 6. Nxd4 Qb6 7. Nxc6 Qxc6 8. Be2 Bb4 9. Bd2 Bxc3 10. Bxc3 Qxe4 11. f3 Qg6 12. 0-0 f6 13. f4 Qf7 14. f5 Ne7 15. fxe6 dxe6 16. Ba5 0-0 17. Qb3 Nc6 18. Bb4 Nd4 19. Qd3 Nxe2+ 20. Qxe2 Rd8 21. Ba5 Re8 22. Rad1 Bd7 23. Rd2 Bc6 24. Rfd1 Rab8 25. Rd8 Rexd8 26. Rxd8+ Rxd8 27. Bxd8 Qd7 28. Ba5 Qd4+ 29. Kh1 e5 30. Qc2 Qe4 31. Qxe4 Bxe4 32. Kg1 Kf7 33. Kf2 f5 34. g3 Ke6 35. Bb4 Bd3 36. c5 g5 37. Ke3 Bb1 38. a3 f4+ 39. gxf4 exf4+ 40. Kf3 Kf5 41. h3 h5 42. Be1 g4+ 43. hxg4+ hxg4+ 44. Kg2 Be4+ 45. Kg1 g3 46. b4 Kg4 47. Kf1 Kf3 48. Bd2 g2+ 49. Kg1 Kg4 50. Kf2 f3 51. Kg1 Kh3 52. Bf4 Kg4 53. Bh2 Kf5 54. Kf2 Ke6 55. Ke3 Kd5 56. a4 Kc4 57. b5 axb5 58. axb5 Kxb5 59. Kxe4 f2 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Jagtenberg, J."]
[Black "Vermeulen, Florence"]
[Result "0-1"]
[ECO "A31"]
[PlyCount "26"]
[EventDate "1998.??.??"]
[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. c4 d6 3. Nf3 Nf6 4. Nc3 Nc6 5. d4 cxd4 6. Nxd4 e5 7. Nxc6 bxc6 8. Be2 Be7 9. b4 0-0 10. Be3 Bd7 11. c5 dxc5 12. bxc5 Qa5 13. Qa4 Qxc3+ 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Van Gils, Philip"]
[Black "Jagtenberg, J."]
[Result "1-0"]
[ECO "C26"]
[PlyCount "61"]
[EventDate "1998.??.??"]
[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. d3 Nf6 3. Nc3 Bb4 4. f4 Nc6 5. Nf3 d5 6. fxe5 dxe4 7. exf6 exf3 8. Qxf3 g6 9. Qe4+ Be6 10. Bd2 Qxf6 11. a3 Bc5 12. 0-0-0 0-0-0 13. Qf4 Qxf4 14. Bxf4 Rhe8 15. Ne4 Bd6 16. Nxd6+ cxd6 17. d4 Bg4 18. Rd3 Re4 19. Be3 Rde8 20. Kd2 Bd7 21. g3 Na5 22. Rc3+ Kb8 23. b3 b6 24. Bg2 R4e7 25. Re1 f5 26. Bf4 Re6 27. Bd5 Rf6 28. Rxe8+ Bxe8 29. Bg5 Rf8 30. Be7 Rh8 31. Bxd6# 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "5"]
[White "Allamehzadeh, S."]
[Black "Jagtenberg, J."]
[Result "0-1"]
[ECO "C50"]
[PlyCount "76"]
[EventDate "1997.??.??"]
[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. Bc4 Bc5 4. d3 h6 5. Nc3 Qf6 6. 0-0 d6 7. Be3 Bg4 8. Nd5 Qd8 9. c3 Nf6 10. d4 Bb6 11. Nxf6+ Qxf6 12. Be2 Qg6 13. h3 Bxh3 14. Nh4 Qf6 15. Nf3 Bg4 16. Re1 Bxf3 17. Bxf3 exd4 18. cxd4 Nxd4 19. Bxd4 Bxd4 20. Re2 g5 21. Rd2 c5 22. Rb1 Qe6 23. Qe1 Qxa2 24. b4 Qe6 25. bxc5 g4 26. Bd1 Bxc5 27. Rxb7 f5 28. exf5 Qxe1+ 29. Kh2 Qxd2 30. Rb1 Qxf2 31. Bxg4 Qh4+ 32. Bh3 Rf8 33. Rf1 0-0-0 34. g3 Qh5 35. f6+ Kc7 36. Kg2 Rde8 37. Rf5 Re2+ 38. Kf1 Qxh3+ 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "7"]
[White "De Glopper, Jaap BH"]
[Black "Jagtenberg, J."]
[Result "1-0"]
[ECO "D30"]
[PlyCount "88"]
[EventDate "1997.??.??"]
[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. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. a3 Be7 6. Nc3 c6 7. Nf3 0-0 8. 0-0 Nbd7 9. e4 Nb6 10. Bd3 c5 11. Ne2 c4 12. Bc2 Re8 13. Rb1 Qc7 14. b3 Bd7 15. b4 Bc6 16. Nc3 Rad8 17. Rb2 a6 18. Bb1 Qd7 19. Qc2 Ba4 20. Qe2 Qc7 21. Nxa4 Nxa4 22. Rc2 c3 23. Qd3 Rc8 24. Re2 Qc4 25. Qc2 g6 26. e5 Nd5 27. Ba2 Qc6 28. Bb3 b5 29. Qd3 Rc7 30. Ng5 Nb2 31. Qf3 Bxg5 32. Bxg5 Nc4 33. Bc2 Nxa3 34. Be4 Rec8 35. Bf6 c2 36. Rc1 Nc3 37. Bxc6 Nxe2+ 38. Qxe2 Rxc6 39. Qe3 Kf8 40. Qxa3 Rc3 41. Qb2 R8c4 42. Kf1 Rxd4 43. Qxc3 Rd1+ 44. Ke2 Rxc1 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "1"]
[White "Jagtenberg, J."]
[Black "Hendriks, Victor"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "18"]
[EventDate "1997.??.??"]
[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 d5 2. f3 e5 3. d4 dxe4 4. fxe4 Qh4+ 5. Kd2 Qxe4 6. dxe5 Bf5 7. Nf3 Nc6 8. Bd3 0-0-0 9. Re1 Rxd3+ 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "3"]
[White "Jagtenberg, J."]
[Black "Solleveld, Floris"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "24"]
[EventDate "1997.??.??"]
[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 d6 2. Nf3 Nf6 3. Nc3 g6 4. d4 Bg7 5. Bf4 0-0 6. e5 Nfd7 7. Qd2 a6 8. Bh6 Nc6 9. Bc4 dxe5 10. Ng5 Bxh6 11. f4 exf4 12. Qxf4 e6 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "6"]
[White "Jagtenberg, J."]
[Black "Van Aken, Michael"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "32"]
[EventDate "1997.??.??"]
[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. Nc3 Nf6 4. Bc4 Bc5 5. 0-0 d6 6. Re1 Bg4 7. Nd5 0-0 8. Be2 Nxe4 9. d4 exd4 10. Nd2 Nxf2 11. Kxf2 d3+ 12. Kf1 dxe2+ 13. Rxe2 Bxe2+ 14. Qxe2 Re8 15. Qd3 Ne5 16. Qb5 c6 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "8"]
[White "Jagtenberg, J."]
[Black "Wezenaar, Femke"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "41"]
[EventDate "1997.??.??"]
[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 d5 2. exd5 Qxd5 3. Nf3 Nf6 4. Nc3 Qa5 5. d4 Bg4 6. Be2 c6 7. Ne5 Bxe2 8. Qxe2 e6 9. Ng4 Nbd7 10. Bg5 Qxg5 11. Ne5 Rd8 12. f4 Qh5 13. Qf1 Bb4 14. a3 Bxc3+ 15. bxc3 Nxe5 16. dxe5 Ne4 17. c4 Nc3 18. Rg1 Rd1+ 19. Rxd1 Qxd1+ 20. Kf2 Qxc2+ 21. Kf3 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "2"]
[White "Rupert, Casper"]
[Black "Jagtenberg, J."]
[Result "1-0"]
[ECO "A03"]
[PlyCount "71"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nc6 3. e3 Bf5 4. b3 f6 5. Bb2 e6 6. Nh4 Nh6 7. Be2 g6 8. 0-0 Nb4 9. d3 Bc5 10. Qd2 Bg4 11. a3 Bxe2 12. Qxe2 Nc6 13. Kh1 Rg8 14. Nd2 f5 15. Nhf3 Ng4 16. d4 Bb6 17. c4 a6 18. Ne1 g5 19. Nd3 Na5 20. c5 Ba7 21. h3 Nh6 22. b4 Nc6 23. Qh5+ Rg6 24. Nf3 Nf7 25. Qxh7 Rh6 26. Qg8+ Ke7 27. Qxd8+ Rxd8 28. fxg5 Rhh8 29. g6 Nh6 30. Nde5 Ng4 31. Nf7 Nxe3 32. Rfe1 Nc2 33. N3g5 Rde8 34. Rxe6+ Kd7 35. Nxh8 Rxh8 36. Rd1 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "4"]
[White "Thoolen, Fien"]
[Black "Jagtenberg, J."]
[Result "1-0"]
[ECO "D00"]
[PlyCount "33"]
[EventDate "1997.??.??"]
[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. Bg5 Nc6 3. e3 f6 4. Bh4 e5 5. f3 Bf5 6. Nd2 exd4 7. exd4 Nxd4 8. g4 Nxc2+ 9. Kf2 Nxa1 10. gxf5 Bc5+ 11. Kg2 Be3 12. Be1 Qd7 13. Bd3 c5 14. Qxa1 c4 15. Bc2 Rc8 16. Qd1 d4 17. Ba4 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "9"]
[White "Zijlstra, M."]
[Black "Jagtenberg, J."]
[Result "0-1"]
[ECO "C55"]
[PlyCount "84"]
[EventDate "1997.??.??"]
[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. Bc4 Bc5 4. d3 Nf6 5. 0-0 0-0 6. Nc3 Nd4 7. Be3 Nxf3+ 8. Qxf3 Bb4 9. Nd5 Nxd5 10. Bxd5 c6 11. Bb3 d6 12. c3 Ba5 13. d4 Bb6 14. Rad1 Be6 15. Bxe6 fxe6 16. Qg3 d5 17. Qxe5 Qf6 18. Bg5 Qxe5 19. dxe5 dxe4 20. Be3 Bxe3 21. fxe3 Rad8 22. a3 Rd5 23. Rxd5 exd5 24. e6 Re8 25. Rf7 Rxe6 26. Rxb7 c5 27. b4 c4 28. Rd7 Ra6 29. Rxd5 Rxa3 30. Rd4 Rxc3 31. Rxe4 Kf7 32. Kf2 Kf6 33. Rf4+ Ke6 34. b5 Rc2+ 35. Kf3 c3 36. Rc4 Rc1 37. e4 c2 38. Rc5 Rf1+ 39. Ke3 c1Q+ 40. Rxc1 Rxc1 41. g4 Rb1 42. Kf4 Rxb5 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "9"]
[White "Heine, Ivar"]
[Black "Jagtenberg, J."]
[Result "1-0"]
[ECO "C57"]
[PlyCount "25"]
[EventDate "1996.??.??"]
[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. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. d4 Bb4+ 7. c3 Be7 8. Nxf7 Kxf7 9. Qf3+ Ke6 10. Qe4 g6 11. f4 Na5 12. Qxe5+ Kf7 13. Bxd5+ 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "5"]
[White "Jagtenberg, J."]
[Black "Bruijn, Dennis"]
[Result "0-1"]
[ECO "B51"]
[PlyCount "48"]
[EventDate "1996.??.??"]
[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 Nc6 3. Bb5 d6 4. d3 Bd7 5. Nc3 a6 6. Bxc6 Bxc6 7. 0-0 Nf6 8. Bg5 e6 9. e5 dxe5 10. Nxe5 Bd5 11. Nxd5 Qxd5 12. Bxf6 gxf6 13. Nc4 Rg8 14. f3 Bd6 15. Nb6 Qd4+ 16. Kh1 Rd8 17. c3 Qf4 18. g3 Qh6 19. Qc1 Qh5 20. f4 Rxg3 21. Qd1 Qh3 22. Qd2 Bc7 23. Nc4 Rdxd3 24. Qf2 Rdf3 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "1"]
[White "Jagtenberg, J."]
[Black "Cox, Patrick"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "80"]
[EventDate "1996.??.??"]
[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. c4 d5 3. cxd5 exd5 4. f3 dxe4 5. fxe4 Qh4+ 6. g3 Qxe4+ 7. Qe2 Qxe2+ 8. Nxe2 Bd7 9. d4 Bc6 10. Rg1 Bb4+ 11. Bd2 Na6 12. a3 Bxd2+ 13. Nxd2 Nf6 14. b4 0-0 15. Nf4 Rfe8+ 16. Kd1 Nb8 17. b5 Bd7 18. Nb3 c6 19. a4 a6 20. Nc5 axb5 21. Nxd7 Nbxd7 22. a5 Nb6 23. g4 Nfd5 24. Nxd5 Nxd5 25. Kd2 Ra7 26. Bg2 Nc7 27. h3 Rea8 28. Rae1 Kf8 29. Be4 h6 30. g5 hxg5 31. Rxg5 Rxa5 32. h4 Ra2+ 33. Kd1 Ra1+ 34. Ke2 R8a2+ 35. Kf1 Ne6 36. Rg2 Rxe1+ 37. Kxe1 Rxg2 38. Bxg2 Nxd4 39. Kd2 b6 40. Kd3 c5 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "8"]
[White "Jagtenberg, J."]
[Black "Span, Swattee"]
[Result "1-0"]
[ECO "C48"]
[PlyCount "109"]
[EventDate "1996.??.??"]
[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. Bb5 Nf6 4. Nc3 Bc5 5. Bxc6 dxc6 6. d3 Bg4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bd4 10. Qd2 Bxf3 11. gxf3 Qd6 12. a3 0-0-0 13. 0-0-0 Rhg8 14. h3 Qc5 15. Na4 Qb5 16. c3 Qxa4 17. cxd4 Qxd4 18. Qb4 Nh5 19. Qxd4 exd4 20. h4 Rde8 21. hxg5 Nxg3 22. fxg3 Rxg5 23. g4 Rf8 24. Rhg1 h5 25. f4 Rc5+ 26. Kb1 Kd7 27. g5 Ke7 28. f5 Re5 29. g6 fxg6 30. fxg6 Rg8 31. Rgf1 Rg5 32. Rf7+ Kd6 33. Kc2 R8xg6 34. b4 Rh6 35. Kb3 h4 36. Kc4 b5+ 37. Kxd4 h3 38. Rf2 Ke7 39. e5 Rg2 40. Rxg2 hxg2 41. Rg1 Rh4+ 42. Kc5 Rg4 43. Kxc6 Rg7 44. d4 Rg4 45. d5 a6 46. Kxc7 Rg5 47. d6+ Ke6 48. d7 Rg7 49. Kb6 Rxd7 50. Kxa6 Kxe5 51. Rxg2 Rd5 52. Rg5+ Kd4 53. Rxd5+ Kxd5 54. Kxb5 Kd6 55. Kb6 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "3"]
[White "Jagtenberg, J."]
[Black "Van der Beek, Marieke"]
[Result "0-1"]
[ECO "B02"]
[PlyCount "26"]
[EventDate "1996.??.??"]
[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 d5 2. Nc3 Nf6 3. f3 e5 4. Bb5+ c6 5. Be2 Be6 6. Nh3 Bb4 7. d4 dxe4 8. dxe5 Nd5 9. Bd2 e3 10. Ne4 exd2+ 11. Nxd2 Ne3 12. Qc1 Nxg2+ 13. Kf1 Bxd2 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "6"]
[White "Stevens, Nathalie"]
[Black "Jagtenberg, J."]
[Result "1-0"]
[ECO "C44"]
[PlyCount "65"]
[EventDate "1996.??.??"]
[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 d5 4. Nc3 dxe4 5. Nxe4 Bg4 6. Be3 Be7 7. Be2 Nf6 8. Nxe5 Nxe5 9. dxe5 Bxe2 10. Qxe2 Nxe4 11. Bxa7 Rxa7 12. Qxe4 0-0 13. 0-0 Re8 14. Qe3 b6 15. a3 f6 16. Rad1 Qa8 17. Rfe1 Bc5 18. Qg3 Rd8 19. exf6 g6 20. Qh4 Rxd1 21. Rxd1 c6 22. f7+ Rxf7 23. Rd8+ Qxd8 24. Qxd8+ Kg7 25. Qh4 Rd7 26. Kf1 b5 27. Qg3 Bd6 28. Qc3+ Kg8 29. Qxc6 Rd8 30. h3 Be5 31. Qe6+ Kf8 32. Qxe5 Rd2 33. Qf4+ 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "4"]
[White "Tangelder, H."]
[Black "Jagtenberg, J."]
[Result "0-1"]
[ECO "C55"]
[PlyCount "66"]
[EventDate "1996.??.??"]
[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. Bc4 Nf6 4. d3 Bb4+ 5. Bd2 d5 6. exd5 Nxd5 7. c3 Ba5 8. h3 Be6 9. Bb5 Bd7 10. Qe2 f6 11. d4 0-0 12. Bxc6 Bxc6 13. dxe5 Re8 14. 0-0 a6 15. c4 Nb4 16. Rc1 Bxf3 17. Qxf3 Nd3 18. Rf1 Bxd2 19. Nxd2 Nxe5 20. Qc3 c5 21. Rad1 b6 22. Ne4 Qb8 23. a3 a5 24. Rb1 Qd8 25. Rfd1 Qc7 26. Nd6 Red8 27. Ne4 h6 28. f4 Ng6 29. f5 Nf4 30. Re1 Qb7 31. Qg3 Qb8 32. Nxf6+ Kh8 33. Re7 Ne2+ 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "2"]
[White "Thissen, Jasmijn"]
[Black "Jagtenberg, J."]
[Result "1-0"]
[ECO "C50"]
[PlyCount "53"]
[EventDate "1996.??.??"]
[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. Bc4 d6 4. d3 Bg4 5. Be3 Nd4 6. Bxd4 exd4 7. Nbd2 Be7 8. c3 dxc3 9. bxc3 Bf6 10. Qb3 Nh6 11. 0-0 0-0 12. Rab1 g6 13. d4 b6 14. Rfe1 Re8 15. Re3 c5 16. Rbe1 Bxf3 17. Nxf3 Ng4 18. R3e2 cxd4 19. Bxf7+ Kf8 20. Bxe8 Qxe8 21. Nxd4 Bxd4 22. cxd4 h5 23. h3 Nf6 24. Qf3 Kg7 25. e5 dxe5 26. Rxe5 Qa4 27. Qxa8 1-0

