[Event "Delft Prinsenstad op-B"]
[Site "Delft"]
[Date "2015.04.04"]
[Round "4"]
[White "Romkes, Abel"]
[Black "Boonstra, Jasper"]
[Result "1-0"]
[ECO "D98"]
[WhiteElo "1905"]
[BlackElo "1821"]
[PlyCount "65"]
[EventDate "2015.04.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 Bg4 7. e4 0-0 8. Be3 Nfd7 9. 0-0-0 Nb6 10. Qc5 Bxf3 11. gxf3 N8d7 12. Qg5 e6 13. h4 h5 14. Be2 Qe8 15. Rhg1 Kh7 16. e5 c6 17. Bd3 Kh8 18. Ne4 Qd8 19. Qg3 Nd5 20. Nd6 Ne7 21. f4 Nb6 22. Nxf7+ Rxf7 23. Bxg6 Qg8 24. Qg5 Rf5 25. Qxe7 Nd5 26. Qa3 Nxf4 27. Bxf4 Rxf4 28. Kb1 Qf8 29. Rg5 Rxh4 30. Qg3 Qf4 31. Rxh5+ Rxh5 32. Qxf4 Rh6 33. Be4 1-0

[Event "Amsterdam Science Park op-B 3rd"]
[Site "Amsterdam"]
[Date "2013.07.06"]
[Round "1"]
[White "Boonstra, Jasper"]
[Black "Bravo, Fabio"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1846"]
[BlackElo "2013"]
[PlyCount "78"]
[EventDate "2013.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Bb4 7. Bf3 Ne5 8. 0-0 a6 9. Nce2 Nxf3+ 10. Nxf3 Be7 11. e5 Nd5 12. Nf4 Nxf4 13. Bxf4 b5 14. Qd3 Bb7 15. a4 b4 16. Nd2 0-0 17. Bg3 Qc7 18. c4 bxc3 19. bxc3 Qc6 20. f3 Rac8 21. Rfc1 Rfd8 22. Ne4 d5 23. Nd6 Bxd6 24. exd6 f6 25. Qe3 e5 26. Rab1 Rxd6 27. Qa7 Rd7 28. Qb6 Rdc7 29. Qxc6 Bxc6 30. Rb6 Bxa4 31. Rxa6 Rc4 32. Ra1 Bb3 33. Be1 R4c6 34. R6a3 Bc2 35. Bd2 Rb6 36. Ra7 Rb2 37. Rd7 d4 38. cxd4 Bf5 39. Bc1 Rbc2 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.10"]
[Round "9"]
[White "Gerritse, Youri"]
[Black "Boonstra, Jasper"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "54"]
[EventDate "2002.08.05"]
[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. Bb5 a6 3. Ba4 b5 4. Bb3 c5 5. d3 d5 6. c4 Bb7 7. exd5 exd5 8. cxd5 Bxd5 9. Nf3 Be7 10. Nc3 Nf6 11. Nxd5 Nxd5 12. 0-0 0-0 13. Re1 Bf6 14. d4 c4 15. Bc2 Ra7 16. Ne5 Re8 17. Bd2 Rae7 18. f4 Qb6 19. Bc3 Nxc3 20. bxc3 Bxe5 21. fxe5 Rxe5 22. Rxe5 Rxe5 23. Qg4 Re8 24. Rf1 Qe6 25. Bf5 Qe3+ 26. Kh1 g6 27. h4 h5 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.09"]
[Round "8"]
[White "Boonstra, Jasper"]
[Black "Kranenburg, Leo"]
[Result "0-1"]
[ECO "A87"]
[PlyCount "56"]
[EventDate "2002.08.05"]
[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 d6 2. d4 f5 3. g3 g6 4. Bg2 Nf6 5. 0-0 Bg7 6. c4 0-0 7. Nc3 Qe8 8. Re1 Qf7 9. Qb3 h6 10. e4 fxe4 11. Nxe4 Nxe4 12. Rxe4 Bf5 13. Re2 Nc6 14. d5 Nd4 15. Nxd4 Bxd4 16. Be3 Bg4 17. Ree1 Bb6 18. Bxb6 axb6 19. Qe3 Rae8 20. f4 Qg7 21. b4 Kh8 22. a4 e5 23. Kh1 exf4 24. Qxe8 Rxe8 25. Rxe8+ Kh7 26. Rae1 f3 27. Bf1 f2 28. R1e7 Bf3+ 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.09"]
[Round "7"]
[White "Hijweegen, Claudia"]
[Black "Boonstra, Jasper"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "39"]
[EventDate "2002.08.05"]
[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 e6 2. e3 Nf6 3. c3 b6 4. f4 Bb7 5. Nf3 d5 6. Bd3 Nbd7 7. 0-0 c5 8. Nbd2 Be7 9. Qe1 Ne4 10. Bxe4 dxe4 11. Ne5 Nf6 12. f5 exf5 13. Rxf5 Qc7 14. Qg3 g6 15. Rf1 Nh5 16. Qg4 f5 17. Qe2 Bd6 18. Rxf5 0-0-0 19. Rf7 Qb8 20. Qg4+ 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.08"]
[Round "6"]
[White "Boonstra, Jasper"]
[Black "Van Run, Rieke"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "61"]
[EventDate "2002.08.05"]
[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 e5 2. Bc4 Bc5 3. Nf3 Nc6 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. Qb3 Nce7 11. 0-0 0-0 12. Rfe1 c6 13. a4 Qb6 14. a5 Qxb3 15. Bxb3 Bf5 16. Rac1 a6 17. Nc4 Rad8 18. Ne3 Bg6 19. Nxd5 Nxd5 20. Bxd5 Rxd5 21. Rc5 Rxc5 22. dxc5 Rd8 23. h3 Kf8 24. Re2 Rd5 25. b4 Rd1+ 26. Re1 Rxe1+ 27. Nxe1 Ke7 28. Kf1 Ke6 29. Ke2 Kd5 30. g4 Kc4 31. f4 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.07"]
[Round "4"]
[White "Boonstra, Jasper"]
[Black "Rensen, Michiel"]
[Result "1-0"]
[ECO "C23"]
[PlyCount "61"]
[EventDate "2002.08.05"]
[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 e5 2. Bc4 Bc5 3. Nf3 d6 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb6 7. 0-0 0-0 8. e5 dxe5 9. dxe5 Qxd1 10. Rxd1 Ne4 11. Rf1 Nc6 12. Bd5 Nxf2 13. Rxf2 Rd8 14. Nc3 Nb4 15. Bc4 Bf5 16. Bg5 Rd7 17. Rd1 Bxf2+ 18. Kxf2 Rxd1 19. Nxd1 Be6 20. Bxe6 fxe6 21. Nd4 h6 22. Be7 Nd3+ 23. Ke3 Nxe5 24. Ke4 Ng6 25. Bb4 Kf7 26. Nc3 b6 27. Ncb5 c5 28. Nc7 Rc8 29. Ndb5 Ke7 30. Bc3 Kf7 31. Nd6+ 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.07"]
[Round "5"]
[White "Damsma, Redmar"]
[Black "Boonstra, Jasper"]
[Result "1/2-1/2"]
[ECO "E72"]
[PlyCount "80"]
[EventDate "2002.08.05"]
[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 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Ne2 Nbd7 7. Nbc3 e5 8. d5 a5 9. 0-0 Nc5 10. b3 Ne8 11. Bb2 f5 12. Qd2 Nf6 13. exf5 Bxf5 14. f4 Nd3 15. fxe5 Nxe5 16. Nd4 Nfg4 17. Nxf5 gxf5 18. Ne2 Qf6 19. Nf4 Nf3+ 20. Rxf3 Qxb2 21. Qxb2 Bxb2 22. Rd1 Rae8 23. Ne6 Rf7 24. Rdf1 Ba3 25. h3 Nh6 26. Rf4 Rf6 27. g4 Rfxe6 28. dxe6 Bc5+ 29. R1f2 Bxf2+ 30. Kxf2 fxg4 31. hxg4 Rf8 32. Rxf8+ Kxf8 33. Kg3 c6 34. Be4 Ke7 35. Bxh7 Kxe6 36. Kf4 d5 37. cxd5+ cxd5 38. g5 Nf7 39. Bg8 Ke7 40. Ke3 Nxg5 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.06"]
[Round "2"]
[White "Boonstra, Jasper"]
[Black "Van der Berg, Wessel"]
[Result "1-0"]
[ECO "B52"]
[PlyCount "79"]
[EventDate "2002.08.05"]
[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. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. c3 Nf6 7. Re1 g6 8. d4 cxd4 9. cxd4 Bg7 10. Nc3 0-0 11. Be3 a6 12. a4 Na5 13. e5 Ng4 14. Bf4 dxe5 15. dxe5 Qf5 16. Bg3 Rfd8 17. Qe2 e6 18. h3 Nh6 19. Bh4 Rd3 20. Ne4 Rxf3 21. Qxf3 Qxf3 22. gxf3 Nf5 23. Bf6 Nd4 24. Red1 Nxf3+ 25. Kg2 Nxe5 26. Bxg7 Kxg7 27. Rac1 Nec6 28. Nc5 Kf6 29. Nxb7 Rb8 30. Nxa5 Nxa5 31. Rd6 Nb3 32. Rcc6 Na5 33. Rxa6 Nc4 34. Rdc6 Nxb2 35. a5 Nd3 36. Rab6 Ra8 37. a6 Nf4+ 38. Kf1 Nd5 39. Rb7 Ne7 40. Rcc7 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.06"]
[Round "3"]
[White "De Hoop, Thomas"]
[Black "Boonstra, Jasper"]
[Result "1-0"]
[ECO "C06"]
[PlyCount "39"]
[EventDate "2002.08.05"]
[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. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 cxd4 9. cxd4 f6 10. exf6 Nxf6 11. 0-0 Bd6 12. Re1 0-0 13. Bb1 Bd7 14. Nc3 Qd8 15. Ne5 Qe8 16. Bg5 Rd8 17. Qd3 Qh5 18. f4 Nb4 19. Qd2 h6 20. Bg6 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.05"]
[Round "1"]
[White "Konijn, Bart"]
[Black "Boonstra, Jasper"]
[Result "1-0"]
[ECO "C18"]
[PlyCount "153"]
[EventDate "2002.08.05"]
[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. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Qg4 f5 8. exf6 Nxf6 9. Qg3 Qxg3 10. hxg3 b6 11. Bb5+ Bd7 12. Bd3 c4 13. Be2 Ne4 14. Bd2 Ba4 15. Rc1 Nd7 16. Bg4 Nxd2 17. Kxd2 Nf6 18. Bf3 0-0 19. Nh3 Rae8 20. Rce1 Ne4+ 21. Bxe4 dxe4 22. Re2 e5 23. Ng5 exd4 24. cxd4 h6 25. Nxe4 Bc6 26. f3 Rf5 27. c3 Re6 28. Kc2 Rg5 29. Rh3 Bxe4+ 30. Rxe4 Rxe4 31. fxe4 Rg4 32. e5 Kf7 33. Kd2 Ke6 34. Ke3 g6 35. Kf3 h5 36. Rh4 Rg5 37. Rf4 Rf5 38. Rxf5 gxf5 39. Kf4 b5 40. Ke3 a5 41. Kd2 a4 42. Ke3 Kd5 43. Ke2 Ke6 44. Kd1 Kd5 45. Ke1 Ke6 46. Kf2 Kd5 47. Ke1 Ke6 48. Kd2 Kd5 49. Ke3 Ke6 50. Kf4 Kd5 51. Kf3 Ke6 52. Kf4 Kd5 53. Kxf5 b4 54. axb4 a3 55. e6 a2 56. e7 a1Q 57. e8Q Qf1+ 58. Kg5 Qc1+ 59. Kxh5 Qh1+ 60. Kg6 Qb1+ 61. Kg7 Qb2 62. Qf7+ Kd6 63. Qxc4 Qxg2 64. Qd3 Qb7+ 65. Kg6 Qc8 66. Kg5 Qd8+ 67. Kf4 Qf8+ 68. Ke3 Qh6+ 69. Ke2 Qh2+ 70. Kd1 Qh5+ 71. Kc2 Qd5 72. b5 Qa2+ 73. Kd1 Qd5 74. Qg6+ Ke7 75. Qg7+ Kd8 76. Qf6+ Kd7 77. Qc6+ 1-0

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.08"]
[Round "6"]
[White "Beers, Pim"]
[Black "Boonstra, Jasper"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "87"]
[EventDate "2001.07.06"]
[EventType "swiss"]
[EventRounds "6"]
[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. exd5 exd5 4. d4 Nf6 5. Bg5 Bf5 6. Bd3 Bg6 7. 0-0 Be7 8. Re1 0-0 9. Bxg6 fxg6 10. Qe2 Re8 11. Qe6+ Kh8 12. Ne5 Rf8 13. Nf7+ Rxf7 14. Qxf7 Nc6 15. c3 Qd6 16. Qe6 Ne4 17. Qxd6 Bxd6 18. Be3 Rf8 19. Nd2 Nxd2 20. Bxd2 h5 21. Bg5 Rf5 22. h4 Rf7 23. Re8+ Kh7 24. Rae1 Na5 25. Ra8 a6 26. Ree8 Rf8 27. Rxf8 Bxf8 28. Rxf8 Nc4 29. Rf7 Nd6 30. Rxc7 Kg8 31. Rd7 Nf7 32. Rxb7 Nd6 33. Rb6 Nc4 34. Rxa6 Kh7 35. b3 Nb2 36. Rd6 Nd1 37. Bd2 Kh8 38. Kf1 Nb2 39. Ke2 Kh7 40. Bc1 Nc4 41. bxc4 Kh8 42. cxd5 g5 43. hxg5 h4 44. g6 1-0

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.08"]
[Round "5"]
[White "Boonstra, Jasper"]
[Black "De Visser, David"]
[Result "0-1"]
[ECO "A44"]
[PlyCount "60"]
[EventDate "2001.07.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. e4 d6 4. c4 f5 5. Nc3 Be7 6. exf5 Bxf5 7. Bd3 Qd7 8. Qc2 Bxd3 9. Qxd3 Nf6 10. Nh3 Qg4 11. Qg3 Qxg3 12. hxg3 h6 13. Bd2 0-0 14. 0-0-0 a6 15. f3 Nbd7 16. Nf2 b5 17. cxb5 axb5 18. Nxb5 Rxa2 19. Na3 Rb8 20. Bc3 Rb3 21. Nc4 Rxc3+ 22. bxc3 Rxf2 23. Ne3 c4 24. Nf5 Bf8 25. Rh2 Nc5 26. Rdh1 Nd3+ 27. Kb1 Nxd5 28. Rc1 Nxc1 29. Kxc1 Nxc3 30. f4 d5 0-1

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.07"]
[Round "3"]
[White "Boonstra, Jasper"]
[Black "Klop, Tjomme"]
[Result "1/2-1/2"]
[ECO "A87"]
[PlyCount "33"]
[EventDate "2001.07.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 f5 2. g3 g6 3. Bg2 Bg7 4. Nf3 Nf6 5. c4 d6 6. 0-0 0-0 7. Nc3 Qe8 8. Qc2 Nc6 9. d5 Ne5 10. Nb5 Qd8 11. Bf4 Nf7 12. Ng5 Nxg5 13. Bxg5 h6 14. Bd2 a6 15. Nc3 Qe8 16. f4 Rb8 17. a4 1/2-1/2

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.07"]
[Round "4"]
[White "Thomassen, Gertjan"]
[Black "Boonstra, Jasper"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "31"]
[EventDate "2001.07.06"]
[EventType "swiss"]
[EventRounds "6"]
[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 0-0 6. e5 dxe5 7. fxe5 Nfd7 8. Bc4 e6 9. 0-0 Nc6 10. Bg5 Ne7 11. Qe1 Nb6 12. Bb3 h6 13. Qh4 hxg5 14. Nxg5 Bh6 15. Qxh6 Qxd4+ 16. Kh1 1-0

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.06"]
[Round "2"]
[White "Molenaar, Joseph"]
[Black "Boonstra, Jasper"]
[Result "1-0"]
[ECO "D47"]
[PlyCount "31"]
[EventDate "2001.07.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 c6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 Nb6 8. Bd3 Be7 9. e4 0-0 10. e5 Nfd5 11. h4 Nxc3 12. Bxh7+ Kxh7 13. Ng5+ Bxg5 14. hxg5+ Kg8 15. Qh5 Re8 16. Qh8# 1-0

