[Event "ESP Ronda op"]
[Site "Spain"]
[Date "1998.??.??"]
[Round "?"]
[White "De Boer, Jesper"]
[Black "Jose Abril, Ramon"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1920"]
[BlackElo "2400"]
[PlyCount "131"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. Re1 a6 6. Bf1 d5 7. exd5 Nxd5 8. c3 Be7 9. d4 cxd4 10. Nxd4 Nxd4 11. Qxd4 0-0 12. Nd2 Bd7 13. Nc4 Rc8 14. Bf4 Nxf4 15. Qxf4 Qc7 16. Qxc7 Rxc7 17. Ne5 Bc8 18. Rad1 f6 19. Ng4 Kf7 20. Ne3 b5 21. Bd3 Rd8 22. Be4 Rcd7 23. Rxd7 Rxd7 24. Kf1 g6 25. Ke2 f5 26. Bd3 Bb7 27. f3 h5 28. a3 h4 29. h3 Bc5 30. c4 b4 31. axb4 Bxb4 32. Ra1 Be7 33. Ra4 Rc7 34. b4 Bc6 35. b5 axb5 36. cxb5 Be8 37. Ra1 Rb7 38. Rb1 Kf6 39. Kd2 Bc5 40. Nc2 Rb6 41. Kc3 Kg5 42. Nd4 Kf4 43. Kc4 Be7 44. Ne2+ Ke3 45. Nc3 Kf2 46. Rb2+ Kg1 47. Re2 Rb8 48. Kb3 Bf6 49. f4 Bxc3 50. Kxc3 Bxb5 51. Bxb5 Rxb5 52. Rxe6 Kxg2 53. Rxg6+ Kxh3 54. Kd4 Kh2 55. Rg5 h3 56. Ke3 Rb2 57. Rxf5 Kg1 58. Rg5+ Rg2 59. Rh5 h2 60. f5 h1Q 61. Rxh1+ Kxh1 62. Kf4 Kh2 63. f6 Kh3 64. Kf5 Kh4 65. f7 Kh5 66. Kf6 1/2-1/2

[Event "ESP Ronda op"]
[Site "Spain"]
[Date "1998.??.??"]
[Round "?"]
[White "De Boer, Jesper"]
[Black "Pinazo Donoso, Jorge"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1920"]
[BlackElo "2260"]
[PlyCount "55"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. g3 Nf6 5. Bg2 Bg4 6. Nge2 Nc6 7. h3 Bh5 8. d3 e5 9. Be3 0-0-0 10. Qd2 Nd4 11. g4 Bg6 12. 0-0 h5 13. g5 Nd7 14. Ne4 Bxe4 15. Bxe4 f5 16. Bg2 Nxe2+ 17. Qxe2 f4 18. Bd2 h4 19. Qf3 c6 20. a4 Nc5 21. Rfe1 Ne6 22. Qe4 Nd4 23. Rac1 Rh5 24. Qxe5 Qxe5 25. Rxe5 Bd6 26. Re4 c5 27. c3 Nb3 28. Rd1 1/2-1/2

[Event "ESP Ronda op"]
[Site "Spain"]
[Date "1998.??.??"]
[Round "?"]
[White "De Boer, Jesper"]
[Black "Triquell Sanchez, Manel"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "1920"]
[BlackElo "2080"]
[PlyCount "75"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 c6 4. d4 cxd5 5. Nc3 e6 6. Nf3 Be7 7. c5 0-0 8. b4 b6 9. Bd2 Ne4 10. Bd3 Nxd2 11. Nxd2 Nc6 12. b5 Nxd4 13. c6 a6 14. a4 e5 15. 0-0 f5 16. Nxd5 Kh8 17. Nxe7 Qxe7 18. Qb1 e4 19. Bc4 Rf6 20. Re1 Rg6 21. Bf1 Qe5 22. Ra3 axb5 23. Nxe4 Re6 24. Qb4 Re8 25. Nd6 Qxe1 26. Re3 Rxe3 27. Qxd4 Rxa4 28. Qxe3 Qxe3 29. fxe3 Be6 30. Nxb5 Ra1 31. Kf2 Kg8 32. Nd4 Kf7 33. Bb5 Rc1 34. Kf3 Ke7 35. Kf4 Kd6 36. h4 h6 37. h5 Rf1+ 38. Bxf1 1-0

[Event "ESP Ronda op"]
[Site "Spain"]
[Date "1998.??.??"]
[Round "?"]
[White "Dominguez Gonzalez, Isaac"]
[Black "De Boer, Jesper"]
[Result "0-1"]
[ECO "B19"]
[WhiteElo "2285"]
[BlackElo "1920"]
[PlyCount "58"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nf6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Nbd7 12. 0-0-0 Qc7 13. Ne4 0-0-0 14. g3 Nxe4 15. Qxe4 Bd6 16. Kb1 Nf6 17. Qe2 Rhe8 18. c4 c5 19. Bc3 cxd4 20. Nxd4 a6 21. Nb3 Qc6 22. Bxf6 gxf6 23. Qe3 Bf8 24. Rc1 f5 25. Rhe1 Kb8 26. Qe5+ Qc7 27. Qf6 Qe7 28. Qe5+ Qd6 29. Qf6 Qe7 0-1

[Event "ESP Ronda op"]
[Site "Spain"]
[Date "1998.??.??"]
[Round "?"]
[White "Martin, F."]
[Black "De Boer, Jesper"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2205"]
[BlackElo "1920"]
[PlyCount "66"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. c4 e6 4. d4 c6 5. Nc3 dxc4 6. Nf3 Nbd7 7. 0-0 Be7 8. Bf4 Nd5 9. e4 Nxf4 10. gxf4 0-0 11. a4 Qc7 12. Qd2 Rd8 13. Rad1 b6 14. Qe3 Bb7 15. Rd2 Bd6 16. e5 Bb4 17. Ng5 Nf8 18. Rfd1 a6 19. Qh3 b5 20. Nce4 Qe7 21. Re2 h6 22. Re3 c5 23. Nf6+ gxf6 24. Qxh6 fxg5 25. Bxb7 Qxb7 26. Qxg5+ Ng6 27. f5 exf5 28. e6 Qe7 29. exf7+ Qxf7 30. h4 f4 31. Rh3 Rd5 32. Qg2 Rad8 33. h5 Qf6 0-1

[Event "Haarlem AKN op 06th"]
[Site "Haarlem"]
[Date "1997.??.??"]
[Round "6"]
[White "De Boer, Jesper"]
[Black "Bakels, Rosanne"]
[Result "1-0"]
[ECO "A24"]
[PlyCount "41"]
[EventDate "1997.06.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. e4 e5 6. Nge2 Nc6 7. 0-0 0-0 8. d3 Be6 9. Rb1 a5 10. a3 Ne7 11. b4 axb4 12. axb4 Nd7 13. Kh1 c6 14. Qc2 Qc7 15. Nd1 Rfc8 16. Ne3 d5 17. cxd5 cxd5 18. Qxc7 Rxc7 19. exd5 Bf5 20. Rd1 Nc8 21. g4 1-0

[Event "Haarlem AKN op 06th"]
[Site "Haarlem"]
[Date "1997.??.??"]
[Round "2"]
[White "De Boer, Jesper"]
[Black "Galje, Hans"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1970"]
[BlackElo "2140"]
[PlyCount "72"]
[EventDate "1997.06.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. d3 e5 3. Nf3 Nc6 4. g3 d5 5. exd5 Nxd5 6. Bg2 g6 7. 0-0 Bg7 8. Nbd2 0-0 9. Re1 Re8 10. Nc4 h6 11. Rb1 a5 12. Bd2 Bf5 13. Nh4 Be6 14. a3 Qd7 15. b4 axb4 16. axb4 b5 17. Ne3 Ra4 18. Nxd5 Bxd5 19. Bxd5 Qxd5 20. Bc3 Rea8 21. Qd2 Nd4 22. Re4 f5 23. Ree1 g5 24. Bxd4 gxh4 25. Bc3 R4a6 26. h3 Rg6 27. Kh2 f4 28. g4 h5 29. Qe2 hxg4 30. hxg4 Ra2 31. f3 Rc6 32. Bb2 e4 33. dxe4 Qe6 34. e5 Rc4 35. Qd3 Ra8 36. c3 Re8 0-1

[Event "Haarlem AKN op 06th"]
[Site "Haarlem"]
[Date "1997.??.??"]
[Round "4"]
[White "De Boer, Jesper"]
[Black "Sternau, Almar"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "1970"]
[BlackElo "1750"]
[PlyCount "95"]
[EventDate "1997.06.26"]
[EventType "swiss"]
[EventRounds "6"]
[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. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. Nc3 Nf6 7. d4 cxd4 8. Nxd4 e6 9. 0-0 Be7 10. b3 0-0 11. Bb2 a6 12. Qd2 Nxd4 13. Qxd4 Qc6 14. Rac1 Rfd8 15. Rfd1 Rac8 16. h3 Qc5 17. Qd3 Qc6 18. Rd2 b6 19. Rcd1 Rd7 20. Qe3 Rcd8 21. Kh1 Qb7 22. Ba3 Bf8 23. f3 b5 24. cxb5 axb5 25. Bb4 d5 26. Bxf8 Rxf8 27. exd5 Nxd5 28. Nxd5 Rxd5 29. Rxd5 exd5 30. Qg5 f5 31. Re1 Rf6 32. Re8+ Kf7 33. Re5 Qd7 34. Qh5+ Kg8 35. Qe8+ Qxe8 36. Rxe8+ Kf7 37. Rb8 Rd6 38. Kg1 d4 39. Kf2 Rd5 40. Ke2 Kf6 41. Kd3 g5 42. g3 f4 43. gxf4 gxf4 44. a4 bxa4 45. bxa4 h5 46. Rb6+ Ke7 47. Rb5 Rd6 48. Rxh5 1-0

[Event "Haarlem AKN op 06th"]
[Site "Haarlem"]
[Date "1997.??.??"]
[Round "1"]
[White "Gould, Paul"]
[Black "De Boer, Jesper"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "150"]
[EventDate "1997.06.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Nf6 4. d3 e6 5. Nbd2 Nbd7 6. 0-0 Bc5 7. e4 dxe4 8. dxe4 Qc7 9. Qe2 e5 10. a4 a5 11. Nb3 Bb6 12. Be3 0-0 13. Nfd2 Bxe3 14. Qxe3 b5 15. Rfd1 Nb6 16. axb5 a4 17. Nc1 cxb5 18. f3 Be6 19. Nd3 Nfd7 20. Nb4 Nc5 21. Bf1 Bd7 22. Nb1 Na6 23. Nxa6 Rxa6 24. Nc3 Nc4 25. Bxc4 bxc4 26. Nd5 Qa7 27. Qxa7 Rxa7 28. Nb6 Be6 29. Rxa4 Rxa4 30. Nxa4 f6 31. Rd6 Ra8 32. Nc5 Bh3 33. Na6 h5 34. Kf2 Kf7 35. Rc6 Ke7 36. Nb4 Rc8 37. Rxc8 Bxc8 38. Ke3 Kd6 39. Kd2 Kc5 40. Nd5 Kd4 41. c3+ Kc5 42. Ne3 Be6 43. g4 hxg4 44. Nxg4 Kd6 45. Ke3 Bd7 46. h4 Ke7 47. h5 Kf7 48. Kf2 Ba4 49. Ne3 Bb5 50. Kg3 Ba6 51. Kg4 Bb5 52. f4 Bd7+ 53. f5 Bb5 54. Kf3 Kg8 55. Nc2 Kh7 56. Na3 Ba6 57. Nb1 Kh6 58. Kg4 Bb5 59. Nd2 Ba6 60. b3 cxb3 61. Nxb3 Be2+ 62. Kh4 Bxh5 63. c4 Bf3 64. Nd2 Bh5 65. c5 Be8 66. Nc4 Bc6 67. Nd6 g6 68. Kg4 Bd7 69. Nf7+ Kg7 70. Nd8 gxf5+ 71. exf5 e4 72. c6 Bc8 73. Kf4 e3 74. Ne6+ Kf7 75. Kxe3 Ke7 1-0

[Event "Haarlem AKN op 06th"]
[Site "Haarlem"]
[Date "1997.??.??"]
[Round "5"]
[White "Pieters, Minko"]
[Black "De Boer, Jesper"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "28"]
[EventDate "1997.06.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 e6 3. Bd3 d5 4. c3 Nbd7 5. f4 Ne4 6. Nf3 Be7 7. 0-0 f5 8. c4 b6 9. Nc3 Bb7 10. Ne5 0-0 11. g4 g6 12. cxd5 Nxe5 13. dxe5 Nxc3 14. bxc3 Qxd5 0-1

[Event "Haarlem AKN op 06th"]
[Site "Haarlem"]
[Date "1997.??.??"]
[Round "3"]
[White "Van der Peet, Harry"]
[Black "De Boer, Jesper"]
[Result "1/2-1/2"]
[ECO "B18"]
[BlackElo "1970"]
[PlyCount "51"]
[EventDate "1997.06.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nf6 7. Bd3 Bxd3 8. Qxd3 e6 9. Bd2 Nbd7 10. 0-0 Bd6 11. Rfe1 0-0 12. c4 c5 13. Bc3 Qc7 14. Rad1 Rad8 15. b3 Rfe8 16. Qc2 a6 17. Ng5 cxd4 18. Bxd4 Be5 19. Nh5 Bxd4 20. Rxd4 Qa5 21. Red1 Qxg5 22. Nxf6+ Qxf6 23. Rxd7 Rxd7 24. Rxd7 Rd8 25. Rxd8+ Qxd8 26. b4 1/2-1/2

[Event "Haarlem AKN op 05th"]
[Site "Haarlem"]
[Date "1996.??.??"]
[Round "4"]
[White "Abeln, Michiel"]
[Black "De Boer, Jesper"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2100"]
[PlyCount "33"]
[EventDate "1996.07.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. a4 0-0 8. Nf3 Nbd7 9. a5 a6 10. b4 Qc7 11. Bb3 Ne4 12. Bb2 Nxc3 13. Bxc3 Bxc3 14. Rc1 Bxd2+ 15. Qxd2 Qd6 16. 0-0 Nf6 17. h4 1/2-1/2

[Event "Haarlem AKN op 05th"]
[Site "Haarlem"]
[Date "1996.??.??"]
[Round "3"]
[White "De Boer, Jesper"]
[Black "Breedveld, Andre"]
[Result "1-0"]
[ECO "A08"]
[BlackElo "2125"]
[PlyCount "102"]
[EventDate "1996.07.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. g3 Nc6 5. Ngf3 Bd6 6. Bg2 Nge7 7. 0-0 0-0 8. Re1 Qc7 9. c3 Bd7 10. Qe2 f6 11. a4 Rad8 12. Nf1 b6 13. Bd2 Bc8 14. Rac1 Qb8 15. Bh3 d4 16. Nh4 g5 17. Nf3 h6 18. Bg2 e5 19. Rcd1 Be6 20. c4 Ng6 21. Ra1 a5 22. Red1 Qc8 23. Ne1 Kg7 24. Nc2 h5 25. f3 Rf7 26. Na3 Rh8 27. Nb5 Bb8 28. Qf2 h4 29. g4 h3 30. Bh1 Nf4 31. Ra3 Bxg4 32. Ng3 Be6 33. Kf1 Nb4 34. Bxb4 cxb4 35. Raa1 Qc5 36. b3 Kf8 37. Ke1 Ke7 38. Kd2 Rfh7 39. Rg1 Rh4 40. Ne2 Ng6 41. Rg3 Kd7 42. Rgg1 Bd6 43. Nxd6 Kxd6 44. Rac1 Nf4 45. Ng3 R8h7 46. Rcf1 Ra7 47. Rc1 Rhh7 48. Rc2 Qc8 49. Rgc1 Rac7 50. Rg1 Rc5 51. Rgc1 Rhc7 1-0

[Event "NED-chT 9697"]
[Site "Netherlands"]
[Date "1996.??.??"]
[Round "?"]
[White "De Boer, Jesper"]
[Black "De Leeuw, Remco"]
[Result "0-1"]
[ECO "B51"]
[PlyCount "126"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. c4 e5 5. Nc3 g6 6. 0-0 Bg7 7. d3 Nge7 8. Ne1 0-0 9. f4 exf4 10. Bxc6 Nxc6 11. Bxf4 Ne5 12. Nc2 Rb8 13. Qd2 a6 14. a4 Be6 15. Kh1 b6 16. Ne3 Qh4 17. Ned5 h6 18. Rae1 Rb7 19. Bg3 Qd8 20. Re2 Kh7 21. h3 f5 22. Ref2 Rbf7 23. b3 Nc6 24. exf5 Rxf5 25. Rxf5 Bxf5 26. Ne3 Nd4 27. Qd1 Qd7 28. Ncd5 b5 29. axb5 axb5 30. Kh2 b4 31. Nb6 Qe6 32. Nxf5 Nxf5 33. Re1 Qf7 34. Bf4 g5 35. Bd2 Be5+ 36. Kg1 Bd4+ 37. Kh2 Be5+ 38. Kg1 Bd4+ 39. Kh2 Be5+ 40. Kg1 Bd4+ 41. Kh2 Bf2 42. Re2 Ng3 43. Nd5 Nxe2 44. Qxe2 Bd4 45. Qe4+ Kh8 46. Be1 Qf1 47. Qe6 Qg1+ 48. Kg3 Be5+ 49. Kg4 Qxg2+ 50. Kh5 Qf3+ 51. Kxh6 Bg7+ 52. Kxg5 Rg8 53. Kh4 Kh7 54. Bg3 Bd4 55. Qe4+ Qxe4+ 56. dxe4 Rg6 57. Bf4 Kg7 58. Kh5 Kf7 59. h4 Bf2 60. Nc7 Bg3 61. Bg5 Rg8 62. Kg4 Be5 63. h5 Bf6 0-1

[Event "NED-chT 9697"]
[Site "Netherlands"]
[Date "1996.??.??"]
[Round "?"]
[White "De Boer, Jesper"]
[Black "Duistermaat, Hans"]
[Result "1/2-1/2"]
[ECO "B52"]
[PlyCount "113"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. Nc3 g6 7. d4 Bg7 8. Be3 b6 9. 0-0 cxd4 10. Nxd4 Rc8 11. b3 Nh6 12. f3 Nxd4 13. Bxd4 Bxd4+ 14. Qxd4 f6 15. Rad1 0-0 16. Rf2 Nf7 17. Rfd2 Nd8 18. Qe3 Nc6 19. h3 Qe6 20. Qe1 Rf7 21. Kh1 g5 22. Nd5 f5 23. exf5 Qxf5 24. Re2 Ne5 25. Ne3 Qg6 26. Ng4 Nxg4 27. hxg4 e5 28. Qd2 Rf6 29. Qd5+ Qf7 30. Red2 Qxd5 31. Rxd5 Rc6 32. Kg1 Kf7 33. Kf2 Rh6 34. Ke3 Ke7 35. Ke4 Rc8 36. Re1 Rh2 37. Rd2 Rf8 38. Kd3 h5 39. gxh5 Rxh5 40. Re4 Rf7 41. Rde2 Rh8 42. Ke3 Rh1 43. Kd3 Rg1 44. Ke3 Ke6 45. Kf2 Ra1 46. Rd2 Rf6 47. Re1 Rxe1 48. Kxe1 Kf5 49. Kf2 g4 50. Re2 Rg6 51. Re4 gxf3 52. gxf3 Ke6 53. Re2 d5 54. cxd5+ Kxd5 55. Ke3 Rg1 56. Rc2 a5 57. Kd3 1/2-1/2

[Event "NED-chT 9697"]
[Site "Netherlands"]
[Date "1996.??.??"]
[Round "?"]
[White "De Boer, Jesper"]
[Black "Hofman, Ron"]
[Result "1-0"]
[ECO "A26"]
[BlackElo "2245"]
[PlyCount "50"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 g6 2. c4 Bg7 3. Nc3 e5 4. g3 Nc6 5. Bg2 Nge7 6. Nge2 0-0 7. 0-0 d6 8. d3 f5 9. f4 Rb8 10. Rb1 Nd4 11. b4 Be6 12. Bb2 c6 13. Kh1 a6 14. a4 fxe4 15. Nxd4 exd4 16. Nxe4 Qd7 17. Re1 h6 18. Qe2 Bg4 19. Qf2 b5 20. axb5 cxb5 21. Bxd4 bxc4 22. Bxg7 Kxg7 23. dxc4 Kg8 24. Qd4 Bf5 25. Nf6+ Rxf6 1-0

[Event "Haarlem AKN op 05th"]
[Site "Haarlem"]
[Date "1996.??.??"]
[Round "5"]
[White "De Boer, Jesper"]
[Black "Hopman, Pieter"]
[Result "0-1"]
[ECO "C05"]
[PlyCount "64"]
[EventDate "1996.07.??"]
[EventType "swiss"]
[EventRounds "6"]
[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. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Ngf3 Nc6 7. a3 Qb6 8. Nb3 Be7 9. dxc5 Qc7 10. Bd3 Ncxe5 11. Bc2 Nxf3+ 12. Qxf3 Nxc5 13. Nd4 0-0 14. 0-0 e5 15. Nf5 Bxf5 16. Qxf5 g6 17. Qh3 Ne6 18. Bh6 Rfd8 19. Rac1 Bf6 20. Rfd1 Bh8 21. Bb3 Qc6 22. Qh4 a5 23. Ba2 a4 24. Rd3 Rd7 25. Rcd1 Rad8 26. R3d2 Bg7 27. Bxg7 Kxg7 28. Qb4 Nf4 29. g3 Nh3+ 30. Kf1 d4 31. cxd4 Qh1+ 32. Ke2 Qg2 0-1

[Event "Haarlem AKN op 05th"]
[Site "Haarlem"]
[Date "1996.??.??"]
[Round "1"]
[White "De Boer, Jesper"]
[Black "Lalic, Bogdan"]
[Result "0-1"]
[ECO "B51"]
[BlackElo "2575"]
[PlyCount "80"]
[EventDate "1996.07.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c4 Ngf6 5. Nc3 e6 6. d4 cxd4 7. Nxd4 Be7 8. 0-0 0-0 9. Bxd7 Nxd7 10. Be3 a6 11. Rc1 Ne5 12. b3 Bd7 13. a4 Rb8 14. f3 Nc6 15. Nde2 Qa5 16. Qc2 Rfd8 17. Rfd1 Be8 18. Kh1 Rd7 19. Rd2 Bd8 20. Rcd1 Bc7 21. Nf4 Nb4 22. Qb2 Rbd8 23. Nd3 Nxd3 24. Rxd3 Qe5 25. Bd4 Qh5 26. Bg1 f5 27. Qa3 b6 28. R3d2 fxe4 29. Nxe4 d5 30. cxd5 exd5 31. Nc3 d4 32. Ne2 d3 33. Nc1 Bg6 34. b4 Bf4 35. Ra2 h6 36. Nb3 Re8 37. a5 Rde7 38. Rf1 b5 39. Nc5 Re1 40. Ra1 d2 0-1

[Event "NED-chT 9697"]
[Site "Netherlands"]
[Date "1996.??.??"]
[Round "8"]
[White "De Boer, Jesper"]
[Black "Van Mil, Lucas"]
[Result "1/2-1/2"]
[ECO "A22"]
[PlyCount "85"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 Be7 5. e4 0-0 6. Nge2 Re8 7. 0-0 Bc5 8. Na4 Bf8 9. d3 a5 10. b3 d6 11. Nac3 Bd7 12. h3 Nd4 13. a3 Nxe2+ 14. Qxe2 c6 15. Kh2 Be6 16. Qf3 Qd7 17. Rd1 c5 18. Qe2 g6 19. Rf1 Bg7 20. Bd2 Nh5 21. Rab1 Rf8 22. b4 axb4 23. axb4 Rad8 24. bxc5 dxc5 25. Nd5 Bxd5 26. exd5 Qc7 27. Rb5 b6 28. Rfb1 Rd6 29. Qd1 Ra8 30. Bc3 Ra6 31. Bf3 Nf6 32. Ra1 Rxa1 33. Qxa1 Nd7 34. Rb1 f6 35. Qa6 Nf8 36. Bd1 h5 37. Ba4 h4 38. Bc6 hxg3+ 39. fxg3 Nd7 40. Bxd7 Qxd7 41. Rxb6 Rxb6 42. Qxb6 Qf5 43. Qxc5 1/2-1/2

[Event "NED-chT 9697"]
[Site "Netherlands"]
[Date "1996.??.??"]
[Round "?"]
[White "Eppinga, Roland"]
[Black "De Boer, Jesper"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "99"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. 0-0 Ne7 7. b3 c5 8. Bb2 Nc6 9. c4 dxc4 10. Bxc4 Be7 11. Qe2 0-0 12. Rd1 cxd4 13. Nxd4 Nxd4 14. Bxd4 Qc7 15. Nc3 a6 16. Rac1 Ba3 17. g4 Bg6 18. Ra1 Rfd8 19. h4 h6 20. h5 Bh7 21. g5 hxg5 22. Qe3 Bf5 23. Bd3 Bxd3 24. Rxd3 Be7 25. Kg2 Nc5 26. Rdd1 Rac8 27. Qe2 b6 28. Rh1 Qb7+ 29. f3 Nd7 30. h6 g6 31. Kf2 Kh7 32. Qe3 Bc5 33. Ne4 Bxd4 34. Nxg5+ Kg8 35. Qxd4 Nf8 36. h7+ Kh8 37. Qf4 Rc2+ 38. Kg3 f5 39. exf6 Rd5 40. Rac1 Rf5 41. Rxc2 Rxf4 42. Kxf4 Qd7 43. Kg3 Qd6+ 44. Kg2 Qd7 45. Rh4 e5 46. Rh3 a5 47. Rh4 b5 48. a3 Qd5 49. Rc8 Qd2+ 50. Kh3 1-0

[Event "Haarlem AKN op 05th"]
[Site "Haarlem"]
[Date "1996.??.??"]
[Round "6"]
[White "Van Kempen, Ronald"]
[Black "De Boer, Jesper"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "66"]
[EventDate "1996.07.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nc6 5. Bd3 Nf6 6. 0-0 Bg4 7. c3 e6 8. Nbd2 Bd6 9. h3 Bh5 10. Re1 0-0 11. Qc2 Bg6 12. Ne5 Bxe5 13. dxe5 Nd7 14. Bxg6 hxg6 15. Nf3 Rc8 16. Qe2 Re8 17. h4 f6 18. exf6 gxf6 19. Qd3 Kf7 20. h5 Rg8 21. hxg6+ Rxg6 22. Nh4 Nde5 23. Qb5 Rg4 24. Rxe5 Nxe5 25. g3 b6 26. Qe2 Qh8 27. Ng2 Re4 28. Ne3 Rg8 29. Bd2 Ng4 30. Qf3 Qh2+ 31. Kf1 Ne5 32. Qg2 Qh5 33. Re1 Nd3 0-1

[Event "NED-chT 9697"]
[Site "Netherlands"]
[Date "1996.??.??"]
[Round "?"]
[White "Van der Lijn, Dik"]
[Black "De Boer, Jesper"]
[Result "1/2-1/2"]
[ECO "D01"]
[PlyCount "37"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5 4. e3 e6 5. Bd3 Bxd3 6. cxd3 Nbd7 7. Nf3 Be7 8. 0-0 0-0 9. a3 c6 10. e4 Rc8 11. b4 a6 12. Re1 Nb6 13. Rb1 Nfd7 14. Bxe7 Qxe7 15. a4 Qd8 16. a5 Na8 17. e5 Nc7 18. Qd2 Qe7 19. Qg5 1/2-1/2

[Event "Haarlem AKN op 05th"]
[Site "Haarlem"]
[Date "1996.??.??"]
[Round "2"]
[White "Veerman, Jan"]
[Black "De Boer, Jesper"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "44"]
[EventDate "1996.07.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. Be3 e6 8. h3 Bxf3 9. Qxf3 Bb4 10. a3 Bxc3+ 11. bxc3 Qa5 12. Bd2 Ne4 13. Qd1 0-0 14. Bd3 Nxd2 15. Qxd2 dxc4 16. Bxc4 Rfd8 17. 0-0 Nxd4 18. Qb2 b5 19. Ba2 Qxc3 20. Qb4 Qxb4 21. axb4 Nc2 22. Rab1 Rd4 0-1

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Nieuwenhuis, Pieter"]
[Black "De Boer, Jesper"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2315"]
[PlyCount "127"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 e6 2. b3 d5 3. Bb2 Nf6 4. e3 c6 5. Nf3 Nbd7 6. Nc3 a6 7. d4 Bd6 8. Bd3 0-0 9. 0-0 Re8 10. e4 dxe4 11. Nxe4 Nxe4 12. Bxe4 Nf6 13. Bc2 b6 14. Qd3 g6 15. Rad1 Be7 16. Ne5 Bb7 17. Qh3 Qc7 18. Rfe1 Rad8 19. Re3 c5 20. Nf3 Bc8 21. dxc5 Rxd1+ 22. Bxd1 Qxc5 23. Ne5 Qa5 24. Bc3 Qxa2 25. Nc6 Qa3 26. Nxe7+ Qxe7 27. Qh6 Rd8 28. Be2 Ne8 29. Rh3 f6 30. Bd3 Qg7 31. Qe3 e5 32. Rg3 Nd6 33. Qxb6 Qe7 34. c5 Nf5 35. Bc4+ Kg7 36. Rd3 Nd4 37. Kf1 Bf5 38. Rd1 Rc8 39. b4 Rc6 40. Qa5 Ne6 41. Bd5 Rc7 42. Qxa6 Nxc5 43. bxc5 Qxc5 44. Be1 Rd7 45. Bf3 Ra7 46. Qc6 Qxc6 47. Bxc6 Rc7 48. Bb5 h5 49. Be2 h4 50. f3 g5 51. Bd3 Bxd3+ 52. Rxd3 Kg6 53. Rc3 Rd7 54. Ke2 Kf5 55. Rc6 Ra7 56. Bd2 Rd7 57. g4+ Kg6 58. Bc3 Kf7 59. Ba5 Kg6 60. Ke3 Rd1 61. h3 Rd5 62. Bc3 Rd1 63. Bb4 Rd7 64. Bd6 1-0

[Event "NED-ch U16"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "8"]
[White "Cupido, Alexander"]
[Black "De Boer, Jesper"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "82"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. Be2 e6 8. c5 Be7 9. Bf4 Nh5 10. Be3 0-0 11. h3 Bxf3 12. Bxf3 Nf6 13. 0-0 b6 14. a3 a5 15. Rb1 bxc5 16. dxc5 Ne5 17. Be2 Nfd7 18. b4 axb4 19. axb4 f5 20. f4 Nf7 21. c6 Nb8 22. b5 Bf6 23. Rc1 d4 24. c7 Qxc7 25. Bxd4 Qe7 26. Bf2 Qb4 27. Be1 Rd8 28. Qc2 Nd7 29. Nd1 Bd4+ 30. Kh1 Qd6 31. Rb1 Rdb8 32. Qb3 Ra3 33. Qb4 Bc5 34. Qd2 Qe7 35. Bf2 Nd6 36. Bxc5 Nxc5 37. Rf3 Nde4 38. Qb2 Rxf3 39. Bxf3 Qh4 40. Bxe4 Nxe4 41. Qe5 Qe1+ 1/2-1/2

[Event "NED-ch U16"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "2"]
[White "Dambacher, Martijn"]
[Black "De Boer, Jesper"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "49"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Qb3 Bxf3 9. gxf3 e6 10. Qxb7 Nxd4 11. Bb5+ Nxb5 12. Qc6+ Ke7 13. Qxb5 Nxc3 14. bxc3 Qd5 15. Bg5+ f6 16. Qxd5 exd5 17. Be3 Rc8 18. Bxa7 Rxc3 19. 0-0 Kf7 20. Rab1 Ra3 21. Rb7+ Kg6 22. Bd4 Ra4 23. Bb2 Ba3 24. Bxa3 Rxa3 25. Rd7 1/2-1/2

[Event "NED-ch U16"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "3"]
[White "De Boer, Jesper"]
[Black "Kuijvenhoven, Marco"]
[Result "1/2-1/2"]
[ECO "B31"]
[PlyCount "60"]
[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 c5 2. Nf3 d6 3. Bb5+ Nc6 4. 0-0 g6 5. c3 a6 6. Bxc6+ bxc6 7. d4 cxd4 8. cxd4 Bg7 9. Nc3 Bg4 10. h3 Bxf3 11. gxf3 Nf6 12. Be3 0-0 13. Qe2 Nh5 14. Rad1 e5 15. d5 c5 16. Kh2 Qh4 17. Qd2 Nf4 18. Bxf4 exf4 19. Rg1 Bd4 20. Rdf1 f5 21. exf5 Rxf5 22. Rg2 Qh6 23. Ne2 Rh5 24. Ng1 Re8 25. Re1 Rxe1 26. Qxe1 Re5 27. Qf1 Qf8 28. Ne2 Rh5 29. Nxd4 cxd4 30. Qc4 Qh6 1/2-1/2

[Event "NED-ch U16"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "5"]
[White "De Boer, Jesper"]
[Black "Morks, Ewout"]
[Result "0-1"]
[ECO "C54"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. b4 Bb6 7. 0-0 0-0 8. a4 a5 9. b5 Ne7 10. Nbd2 Ng6 11. Ba3 Bg4 12. h3 Be6 13. Qb3 Qd7 14. Ng5 Rae8 15. Bxe6 fxe6 16. Nc4 Nf4 17. Qc2 h6 18. Nf3 Ng6 19. Bxd6 cxd6 20. Nxb6 Qc7 21. Nc4 Nxe4 22. Rae1 Nf6 23. Qd2 Nd5 24. Nh2 Ngf4 25. Ng4 Nf6 26. Nce3 Nd7 27. d4 h5 28. Nh2 e4 29. Nd1 d5 30. Nb2 Rf6 31. Kh1 Rg6 32. Rg1 e5 33. Nf1 Rc8 34. Re3 h4 35. Nh2 Nf6 36. Qe1 exd4 37. cxd4 Qc2 0-1

[Event "NED-ch U16"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "1"]
[White "De Boer, Jesper"]
[Black "Peeters, Guido"]
[Result "1-0"]
[ECO "B80"]
[PlyCount "93"]
[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 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. d4 cxd4 6. Nxd4 Ngf6 7. Nc3 a6 8. 0-0 e6 9. Be3 Be7 10. f3 Rc8 11. Qd2 Ne5 12. b3 Qc7 13. Nce2 b5 14. a4 bxa4 15. Rxa4 Ra8 16. Rfa1 0-0 17. Rxa6 Rxa6 18. Rxa6 d5 19. exd5 Nxd5 20. Bf2 Bb4 21. Qd1 Rd8 22. c4 Nc3 23. Qa1 Nxe2+ 24. Nxe2 Nd3 25. Ra8 Nxf2 26. Rxd8+ Qxd8 27. Kxf2 Qb6+ 28. Kf1 h6 29. Qa4 Qd6 30. Qa8+ Kh7 31. Qe4+ f5 32. Qd4 Qxh2 33. c5 Ba3 34. c6 Qc7 35. Qd7 Qe5 36. Qd4 Qc7 37. Qc4 e5 38. Qe6 f4 39. Qd7 Bd6 40. Qxc7 Bxc7 41. Nc3 Kg6 42. Nb5 Bb6 43. c7 Bxc7 44. Nxc7 Kf6 45. Ke2 Ke7 46. Kd3 Kd6 47. Ne8+ 1-0

[Event "NED-ch U16"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "9"]
[White "De Boer, Jesper"]
[Black "Van Albada, Siebe"]
[Result "1-0"]
[ECO "B52"]
[PlyCount "53"]
[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 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 g6 6. d4 Qg4 7. 0-0 Qxe4 8. Ng5 Qc6 9. Re1 Bg7 10. dxc5 dxc5 11. Nc3 e6 12. Nb5 Nh6 13. Nd6+ Ke7 14. Ndxf7 Nxf7 15. Rxe6+ Qxe6 16. Nxe6 Kxe6 17. Qd5+ Ke7 18. Qxb7+ Nd7 19. Bf4 Rhe8 20. h3 Nfe5 21. Bxe5 Bxe5 22. Re1 Kf8 23. Qxd7 Bh2+ 24. Kf1 Rxe1+ 25. Kxe1 Re8+ 26. Kf1 Re7 27. Qc8+ 1-0

[Event "NED-ch U16"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "7"]
[White "De Boer, Jesper"]
[Black "Wierda, Rudolph"]
[Result "1-0"]
[ECO "C53"]
[PlyCount "57"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Bg4 8. Qa4 Bd7 9. Qb3 Bxc3+ 10. bxc3 Qf6 11. 0-0 Na5 12. Qb4 Nxc4 13. Qxc4 Rc8 14. e5 Qg6 15. exd6 Qxd6 16. Ng5 Qf6 17. Re1+ Ne7 18. Ba3 Qxg5 19. Bxe7 Qb5 20. Ba3+ Kd8 21. Qxf7 c6 22. Be7+ Kc7 23. Qf4+ Kb6 24. Rab1 Rce8 25. Rxb5+ Kxb5 26. Rb1+ Ka6 27. d5 cxd5 28. Qd6+ Bc6 29. Qa3+ 1-0

[Event "NED-ch U16"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "6"]
[White "De Jonge, Maartje"]
[Black "De Boer, Jesper"]
[Result "1-0"]
[ECO "B19"]
[PlyCount "103"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. Bd3 Bxd3 9. Qxd3 Qc7 10. Bd2 e6 11. 0-0-0 0-0-0 12. c4 Ngf6 13. Kb1 c5 14. Bc3 cxd4 15. Bxd4 Bc5 16. Qe2 Bxd4 17. Nxd4 a6 18. Rc1 Qf4 19. Nf3 Nc5 20. Rhd1 Nce4 21. Nxe4 Qxe4+ 22. Qc2 Qxc2+ 23. Kxc2 Ng4 24. Rf1 Rd7 25. Rcd1 Rhd8 26. Rxd7 Rxd7 27. Ne1 Rd4 28. b3 Rf4 29. Nd3 Rf5 30. Kd2 e5 31. Re1 Nxf2 32. Rxe5 Rxe5 33. Nxe5 f6 34. Nf3 Ng4 35. h5 Kd7 36. Nd4 Ke7 37. Nf5+ Ke6 38. Nxg7+ Ke5 39. Ne8 f5 40. Ke2 f4 41. Kf3 Nh2+ 42. Ke2 Ng4 43. c5 Kd5 44. Kf3 Ne3 45. b4 a5 46. a3 a4 47. Nf6+ Ke5 48. Nd7+ Kf5 49. b5 Nc2 50. c6 Nd4+ 51. Kf2 bxc6 52. b6 1-0

[Event "NED-ch U16"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "4"]
[White "Smits, Mark"]
[Black "De Boer, Jesper"]
[Result "1/2-1/2"]
[ECO "E11"]
[PlyCount "83"]
[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. c4 Bb4+ 4. Bd2 Qe7 5. g3 d5 6. Bg2 0-0 7. 0-0 c6 8. a3 Bxd2 9. Qxd2 Nbd7 10. Nc3 Re8 11. cxd5 exd5 12. e3 Nb6 13. Rae1 Ne4 14. Qc1 Qd6 15. Nd2 Nxd2 16. Qxd2 Nc4 17. Qc1 Qh6 18. b3 Nd6 19. b4 Bf5 20. Rd1 a6 21. Rfe1 Qf6 22. f3 Qg6 23. g4 Bd7 24. h3 Re7 25. e4 dxe4 26. fxe4 f6 27. e5 fxe5 28. dxe5 Nb5 29. Nxb5 axb5 30. Rd6 Qe8 31. Qe3 Be6 32. Be4 Rd7 33. Qd3 g6 34. Rd1 Rad8 35. Qg3 Qf7 36. Kg2 Qe7 37. h4 Kg7 38. g5 Bc4 39. Qf4 Kg8 40. h5 Rxd6 41. Rxd6 Rxd6 42. exd6 1/2-1/2

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1993.??.??"]
[Round "2"]
[White "De Boer, Jesper"]
[Black "Vermaat, Ruben"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "21"]
[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. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Qe7 8. 0-0 0-0 9. e5 Ne8 10. Bg5 Nf6 11. Nd5 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1993.??.??"]
[Round "9"]
[White "Kleijwegt, Tommy"]
[Black "De Boer, Jesper"]
[Result "1-0"]
[ECO "C43"]
[PlyCount "65"]
[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 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. Qe2 Nxe5 7. Bxe4 dxe4 8. Qxe4 Bd6 9. dxe5 0-0 10. 0-0 Re8 11. f4 g6 12. Be3 Bf8 13. Nc3 c6 14. Qc4 Be6 15. Qe2 Bf5 16. g4 Be6 17. Ne4 Be7 18. Rf2 Bd5 19. Nc3 Bh4 20. Rff1 Be6 21. Ne4 Be7 22. h3 Qa5 23. Qd2 Qc7 24. Bc5 Bd5 25. Bxe7 Bxe4 26. Bc5 b6 27. Qe2 Bd5 28. Bd4 c5 29. c4 Bc6 30. Bc3 Qb7 31. f5 Qc7 32. Qe3 Re7 33. f6 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1993.??.??"]
[Round "3"]
[White "Van den Berg, Bram"]
[Black "De Boer, Jesper"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "30"]
[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 Nf6 3. Nc3 Nc6 4. Bc4 Nxe4 5. Bxf7+ Kxf7 6. Nxe4 Be7 7. 0-0 d5 8. Ng3 Rf8 9. d3 Kg8 10. Re1 Bg4 11. h3 Bxf3 12. gxf3 Nd4 13. Kg2 Nxf3 14. Re3 Nh4+ 15. Kg1 Bc5 0-1

[Event "Hengelo op-C"]
[Site "Hengelo"]
[Date "1992.??.??"]
[Round "7"]
[White "De Boer, Jesper"]
[Black "Van Delft, Merijn"]
[Result "1-0"]
[ECO "A24"]
[PlyCount "57"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 e5 7. e4 Nc6 8. d3 Nh5 9. h3 Ne7 10. Kh2 c6 11. Ng1 Qe8 12. f4 exf4 13. gxf4 f5 14. Bf3 Nf6 15. e5 dxe5 16. fxe5 Nd7 17. d4 c5 18. e6 Nb6 19. d5 Be5+ 20. Kh1 Nxc4 21. Bh6 Bd6 22. Qe2 b5 23. Bxf8 Kxf8 24. b3 Na3 25. Qb2 Be5 26. Qxa3 Bxc3 27. d6 Bb4 28. Qb2 Bxe6 29. dxe7+ 1-0

