[Event "Leiden Noteboom Memorial-A 72nd"]
[Site "Leiden"]
[Date "2012.02.18"]
[Round "3"]
[White "Van Osch, Mees"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "2011"]
[BlackElo "2030"]
[PlyCount "56"]
[EventDate "2012.02.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bb7 7. Re1 Bc5 8. c3 d6 9. d4 Bb6 10. Bc2 h6 11. h3 0-0 12. b3 exd4 13. cxd4 Nb4 14. Bb2 Nxc2 15. Qxc2 d5 16. e5 Ne4 17. Nbd2 c5 18. dxc5 Bxc5 19. Bd4 Rc8 20. Qd3 Qb6 21. b4 Bxd4 22. Nxe4 Bxa1 23. Nc5 Bb2 24. Rb1 Rxc5 25. bxc5 Qxc5 26. Qe2 Bc3 27. Nh4 Qe7 28. Qg4 Bc8 0-1

[Event "Leiden LCT op 3rd"]
[Site "Leiden"]
[Date "2009.07.14"]
[Round "5"]
[White "Burggraaf, Jan Theodoor"]
[Black "Shreyansh, Daklia"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2018"]
[BlackElo "2279"]
[PlyCount "44"]
[EventDate "2009.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Ne2 e6 5. Ng3 Bg6 6. Bd3 Nd7 7. f4 Bxd3 8. cxd3 Qb6 9. Be3 g6 10. Nd2 h5 11. Nb3 Nh6 12. h3 a5 13. Qc2 Bb4+ 14. Ke2 h4 15. Nf1 Nf5 16. Rc1 a4 17. Nc5 Ra5 18. a3 Nxe3 19. Nxd7 Nxc2 20. Nxb6 Nxd4+ 21. Kd1 Bf8 22. Nd2 Kd8 0-1

[Event "Leiden LCT op 3rd"]
[Site "Leiden"]
[Date "2009.07.12"]
[Round "3"]
[White "Van Veen, Oscar"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "C04"]
[WhiteElo "2233"]
[BlackElo "2018"]
[PlyCount "74"]
[EventDate "2009.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. c3 f6 7. Bb5 a6 8. Bxc6 bxc6 9. 0-0 f5 10. c4 Be7 11. b3 0-0 12. a4 Rf7 13. Ba3 Nf8 14. Bxe7 Rxe7 15. Qc1 Bd7 16. Qc3 Be8 17. Rfc1 h6 18. h4 Ng6 19. g3 Rf7 20. Qa5 f4 21. Rc3 fxg3 22. fxg3 Ne7 23. Rac1 Nf5 24. cxd5 cxd5 25. Kg2 g5 26. hxg5 hxg5 27. g4 Nh4+ 28. Nxh4 gxh4 29. Nf3 Rh7 30. b4 Bg6 31. Rxc7 Be4 32. Rxh7 Qg5 33. Rg1 Rf8 34. Rh5 Bxf3+ 35. Kh3 Qe3 36. Qc7 Bxg4+ 37. Kxg4 Qxg1+ 0-1

[Event "Maastricht Limburg op 3rd"]
[Site "Maastricht"]
[Date "2009.06.01"]
[Round "7"]
[White "Burggraaf, Jan Theodoor"]
[Black "Zilverberg, Jasper"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2041"]
[BlackElo "2015"]
[PlyCount "102"]
[EventDate "2009.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. a4 Nd4 6. Bc4 e6 7. e5 d6 8. exd6 Nf5 9. Bb5+ Bd7 10. Qe2 Nf6 11. Bxd7+ Nxd7 12. Ne4 Qb6 13. Ra3 Qc6 14. 0-0 Nxd6 15. Nxd6+ Qxd6 16. Qb5 Qb6 17. Qxb6 axb6 18. Re1 0-0 19. Ne5 Nxe5 20. fxe5 Rfd8 21. Rb3 Rxa4 22. Rxb6 Rd7 23. d3 Ra1 24. Kf2 Bxe5 25. Rxe5 Rxc1 26. Rxc5 Rxd3 27. cxd3 Rxc5 28. Rxb7 Rc2+ 29. Kf3 Rd2 30. b4 Rxd3+ 31. Ke4 Rd2 32. Kf3 Kf8 33. b5 Kg7 34. h4 h5 35. b6 Rb2 36. g3 Kf6 37. Ke3 Rb3+ 38. Kf2 e5 39. Rb8 Kf5 40. Rb7 Kg4 41. Rxf7 Rb2+ 42. Ke3 Rxb6 43. Ke4 Kxg3 44. Kxe5 Kxh4 45. Rf1 Rb3 46. Kf6 g5 47. Kf5 g4 48. Rh1+ Kg3 49. Ke4 Rb4+ 50. Ke3 h4 51. Ra1 h3 0-1

[Event "Maastricht Limburg op 3rd"]
[Site "Maastricht"]
[Date "2009.06.01"]
[Round "6"]
[White "Springelkamp, Henriet"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1/2-1/2"]
[ECO "B24"]
[WhiteElo "1981"]
[BlackElo "2041"]
[PlyCount "79"]
[EventDate "2009.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 Rb8 5. f4 b5 6. d3 b4 7. Nce2 d5 8. Be3 Nf6 9. h3 Bb7 10. e5 d4 11. Bf2 Nd5 12. Qd2 Be7 13. Nf3 a5 14. 0-0 h5 15. a3 Ba6 16. Rfd1 bxa3 17. bxa3 Rb2 18. Rab1 Qb6 19. Rxb2 Qxb2 20. Qc1 Qxc1 21. Rxc1 Kd7 22. Rb1 Kc7 23. Nd2 Rb8 24. Rxb8 Nxb8 25. Kf1 Nc3 26. Nxc3 dxc3 27. Ne4 c4 28. d4 Bxa3 29. Nxc3 Bb2 30. Be1 Nc6 31. Bxc6 Kxc6 32. Nd1 Bxd4 33. Bxa5 Kd5 34. Nc3+ Bxc3 35. Bxc3 Ke4 36. Kf2 h4 37. Bb4 hxg3+ 38. Kxg3 Kf5 39. h4 Bb7 40. c3 1/2-1/2

[Event "Maastricht Limburg op 3rd"]
[Site "Maastricht"]
[Date "2009.05.31"]
[Round "5"]
[White "Burggraaf, Jan Theodoor"]
[Black "Oosterman, Maarten Jan"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2041"]
[BlackElo "2005"]
[PlyCount "100"]
[EventDate "2009.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. Bb2 Nf6 5. d3 e6 6. Nbd2 Nbd7 7. g3 Bd6 8. Bg2 0-0 9. 0-0 Re8 10. e4 dxe4 11. dxe4 Bxe4 12. Nxe4 Nxe4 13. Qd4 Ndf6 14. Rad1 Bc5 15. Qe5 Bxf2+ 16. Kh1 Qb8 17. Qxb8 Raxb8 18. Bxf6 gxf6 19. Nd2 Nc3 20. Ne4 Nxd1 21. Nxf6+ Kf8 22. Nd7+ Ke7 23. Nxb8 Rd8 24. Nxc6+ bxc6 25. Bf3 Bxg3 26. hxg3 Ne3 27. Re1 Nf5 28. g4 Nd4 29. Bd1 c5 30. Kg2 Nc6 31. Bf3 Rd2+ 32. Re2 Rxe2+ 33. Bxe2 Kf6 34. Kg3 Kg5 35. Bf3 Nd4 36. Be4 h6 37. Bb7 a5 38. Bc8 Ne2+ 39. Kf3 Nc1 40. Ke4 Kf6 41. Bd7 Nxa2 42. Ke3 Nc1 43. Ba4 Kg5 44. Kd2 Na2 45. Be8 f6 46. Bd7 e5 47. Kc2 Kf4 48. Kb2 Nb4 49. Kc3 Kf3 50. Bf5 Nc6 0-1

[Event "Maastricht Limburg op 3rd"]
[Site "Maastricht"]
[Date "2009.05.31"]
[Round "4"]
[White "Soors, Stef"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2236"]
[BlackElo "2041"]
[PlyCount "63"]
[EventDate "2009.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 e6 5. d4 cxd4 6. cxd4 Nc6 7. Bc4 Nb6 8. Bd3 d5 9. Nc3 h6 10. Be3 a6 11. 0-0 Bd7 12. Nd2 Rc8 13. f4 g6 14. g4 Ne7 15. Qf3 h5 16. h3 Nc4 17. Nxc4 dxc4 18. Be4 hxg4 19. hxg4 Nd5 20. Nxd5 exd5 21. Bxd5 Qh4 22. Qg2 Bxg4 23. Bxb7 Rb8 24. Bc6+ Kd8 25. f5 Kc7 26. fxg6 f5 27. d5 Bh6 28. d6+ Kc8 29. Bf2 Qh5 30. e6 Bf4 31. Bd7+ Kd8 32. Bb6+ 1-0

[Event "Maastricht Limburg op 3rd"]
[Site "Maastricht"]
[Date "2009.05.30"]
[Round "2"]
[White "Burggraaf, Jan Theodoor"]
[Black "Laarhoven, Thijs"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2041"]
[BlackElo "2227"]
[PlyCount "59"]
[EventDate "2009.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 h6 4. c4 c6 5. b3 Bf5 6. Bb2 e6 7. 0-0 Nbd7 8. d3 Be7 9. Nbd2 0-0 10. Rc1 Bh7 11. Rc2 a5 12. a3 b5 13. cxb5 cxb5 14. Qa1 Rc8 15. Rfc1 Rxc2 16. Rxc2 Qb8 17. Qc1 e5 18. Ne1 Bf5 19. e3 Bd6 20. e4 dxe4 21. Nxe4 Nxe4 22. dxe4 Be6 23. Rc6 Rd8 24. Qc2 Nb6 25. Nd3 Bd7 26. Nxe5 Bxe5 27. Bxe5 Qxe5 28. Rxb6 Qa1+ 29. Bf1 Bh3 30. Qe2 0-1

[Event "Maastricht Limburg op 3rd"]
[Site "Maastricht"]
[Date "2009.05.29"]
[Round "1"]
[White "Schiffers, Sascha"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "2139"]
[BlackElo "2041"]
[PlyCount "120"]
[EventDate "2009.05.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 e6 6. Nc3 Nc6 7. Nxd5 exd5 8. Nf3 d6 9. Be2 dxe5 10. dxe5 Bb4+ 11. Bd2 Qa5 12. a3 Bxd2+ 13. Qxd2 Qxd2+ 14. Kxd2 0-0 15. Rhe1 Bg4 16. h3 Bxf3 17. Bxf3 Rfe8 18. Rac1 Nxe5 19. Be2 Nc6 20. Bf3 Rxe1 21. Kxe1 Re8+ 22. Kf1 Rd8 23. Rc5 d4 24. Bxc6 Rc8 25. Rd5 bxc6 26. Rxd4 Kf8 27. Rd7 a5 28. Rb7 Re8 29. Rb6 Rc8 30. g3 h6 31. Ra6 Rb8 32. Rxc6 Rxb2 33. Rc5 Rb1+ 34. Kg2 g5 35. Rxa5 Ra1 36. h4 g4 37. h5 Kg7 38. Ra4 f5 39. Ra6 Kf7 40. a4 Kg7 41. Kh2 Rf1 42. Rg6+ Kf7 43. Kg2 Ra1 44. Rxh6 Rxa4 45. Rb6 f4 46. gxf4 Rxf4 47. h6 Rf3 48. Rb7+ Kg6 49. h7 Rh3 50. Ra7 Kf5 51. f3 Rh6 52. Ra5+ Kf4 53. Ra4+ Kf5 54. fxg4+ Kg5 55. Kg3 Rxh7 56. Ra5+ Kg6 57. Kf4 Rf7+ 58. Rf5 Rxf5+ 59. gxf5+ Kf6 60. Kg4 Kf7 1/2-1/2

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2008.04.05"]
[Round "1"]
[White "De Vreugt, Dennis"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "2401"]
[BlackElo "2042"]
[PlyCount "79"]
[EventDate "2008.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Be7 5. 0-0 Nf6 6. Re1 b5 7. Bb3 0-0 8. h3 Bb7 9. d3 d6 10. a3 Nd4 11. Nxd4 exd4 12. f4 c5 13. Nd2 Qb6 14. Nf3 Rae8 15. Bd2 c4 16. Ba2 d5 17. e5 Ne4 18. Bb4 Bxb4 19. axb4 Ng3 20. Nh4 f5 21. Qf3 Ne4 22. dxe4 fxe4 23. Qg3 Bc8 24. Kh2 Qd8 25. Rad1 d3 26. cxd3 exd3 27. Bb1 Kh8 28. Bxd3 cxd3 29. Rxd3 g6 30. Rc1 Qe7 31. Rc5 Be6 32. Nf3 a5 33. Nd4 axb4 34. Rxb5 Bg8 35. Rb3 Qa7 36. R3xb4 Qa1 37. Rc5 Qd1 38. Qe3 Rb8 39. Rxb8 Rxb8 40. e6 1-0

[Event "Delft Prinsenstad op-B"]
[Site "Delft"]
[Date "2008.01.05"]
[Round "3"]
[White "Burggraaf, Jan Theodoor"]
[Black "De Vries, Ronald"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1940"]
[BlackElo "1815"]
[PlyCount "84"]
[EventDate "2008.01.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nc6 3. Bg2 e5 4. d3 Nf6 5. 0-0 Be6 6. Nbd2 Qd7 7. Ng5 Bg4 8. c4 h6 9. cxd5 Nxd5 10. Qb3 hxg5 11. Qxd5 Bd6 12. Ne4 f6 13. Nxd6+ cxd6 14. Be3 Bh3 15. Rfc1 Bxg2 16. Qxg2 Ke7 17. Rc3 Qh3 18. Qxh3 Rxh3 19. Kg2 Rhh8 20. Rac1 Kd7 21. b4 a6 22. a4 Rhc8 23. b5 axb5 24. axb5 Ne7 25. Rxc8 Rxc8 26. Rxc8 Kxc8 27. Ba7 Kc7 28. b6+ Kc6 29. e4 Nc8 30. h4 gxh4 31. gxh4 g6 32. h5 gxh5 33. Kg3 Nxb6 34. Kh4 Nd7 35. Be3 b5 36. d4 b4 37. d5+ Kb5 38. Kxh5 b3 39. Bc1 Nc5 40. Ba3 Nxe4 41. f4 Kc4 42. fxe5 fxe5 0-1

[Event "Delft Prinsenstad op-B"]
[Site "Delft"]
[Date "2008.01.04"]
[Round "1"]
[White "Kemeling, Albert"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1745"]
[BlackElo "1940"]
[PlyCount "70"]
[EventDate "2008.01.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 Nd7 5. 0-0 a6 6. c3 b6 7. Re1 Bb7 8. Bd3 e5 9. Qb3 Ngf6 10. Ng5 0-0 11. Bc4 Qe7 12. Bxf7+ Rxf7 13. Qxf7+ Qxf7 14. Nxf7 Kxf7 15. f3 Re8 16. Na3 d5 17. exd5 exd4 18. Rxe8 Nxe8 19. c4 c6 20. dxc6 Bxc6 21. Bf4 d3 22. Rd1 Bxb2 23. Rxd3 Ne5 24. Bxe5 Bxe5 25. g3 g5 26. Kf2 Bd6 27. Nc2 Bc5+ 28. Ke2 b5 29. Na3 b4 30. Nc2 Nd6 31. a3 a5 32. axb4 axb4 33. Rb3 Ba4 34. Rb2 Nxc4 35. Ra2 Bb5 0-1

[Event "Leiden LCT op 1st"]
[Site "Leiden"]
[Date "2007.07.14"]
[Round "2"]
[White "Burggraaf, Jan Theodoor"]
[Black "Pijloo, Tjibaria"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2035"]
[BlackElo "1885"]
[PlyCount "60"]
[EventDate "2007.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 119 Extra"]
[Source "ChessBase"]
[SourceDate "2007.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Qf3 Nbd7 7. h3 e6 8. g4 Nc5 9. Nb3 Qc7 10. Be3 b5 11. Nxc5 dxc5 12. g5 Nd7 13. 0-0-0 Bb7 14. Bf4 Qc6 15. Bg2 c4 16. h4 b4 17. Nd5 Rc8 18. Rhe1 c3 19. b3 Qc5 20. Ne3 Qa5 21. Kb1 Nb6 22. Nd5 Nd7 23. Ne3 Ne5 24. Bxe5 Qa3 25. Rd8+ Kxd8 26. Nd1 Ke8 27. Bf1 Rc5 28. Qd3 Rxe5 29. Nxc3 bxc3 30. Qxc3 Ra5 0-1

[Event "Haarlem op"]
[Site "Haarlem"]
[Date "2007.06.30"]
[Round "3"]
[White "Burggraaf, Jan Theodoor"]
[Black "Goudriaan, Etienne"]
[Result "0-1"]
[ECO "A15"]
[WhiteElo "2035"]
[BlackElo "2071"]
[PlyCount "88"]
[EventDate "2007.06.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. d3 Nc6 4. e4 e5 5. Be2 Bd6 6. 0-0 h6 7. Nc3 0-0 8. Nd5 Nxd5 9. cxd5 Ne7 10. d4 exd4 11. Qxd4 c6 12. b3 cxd5 13. Bb2 f6 14. exd5 Bb7 15. Rad1 Rc8 16. Bc4 Kh8 17. Qd3 Qe8 18. a4 Qh5 19. g3 Nf5 20. Rfe1 Bc5 21. Nd4 Nd6 22. Nb5 Nxb5 23. Bxb5 Bxf2+ 24. Kxf2 Qxh2+ 25. Kf1 Qxb2 26. Qf5 Rc3 27. Bd3 Rxd3 28. Qxd3 f5 29. Re2 Qf6 30. Rf2 Qg5 31. Rf4 Qh5 32. Kg2 Ba6 33. Qxa6 Qxd1 34. Qb7 Qe2+ 35. Rf2 Qe4+ 36. Kg1 Qe7 37. Qxa7 Qd6 38. Rg2 Rc8 39. Qa6 Rc1+ 40. Kh2 Qxd5 41. Qxb6 Qd1 42. Qb8+ Kh7 43. g4 Qh1+ 44. Kg3 Rc3+ 0-1

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.29"]
[Round "7"]
[White "Burggraaf, Jan Theodoor"]
[Black "Pel, Bonno"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2070"]
[BlackElo "2301"]
[PlyCount "44"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. e4 d6 2. g3 g6 3. Bg2 Bg7 4. Ne2 c5 5. c3 Nc6 6. d4 cxd4 7. cxd4 Bg4 8. f3 Bd7 9. Nbc3 h5 10. h4 b5 11. Be3 b4 12. Nd5 e6 13. Ndf4 Nge7 14. 0-0 0-0 15. Rb1 Qa5 16. b3 Rfd8 17. Qd2 e5 18. dxe5 dxe5 19. Nd3 Bc8 20. Rfd1 Ba6 21. Nec1 Rac8 22. Bh3 Rc7 0-1

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.29"]
[Round "8"]
[White "Witkamp, Jarno"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "1866"]
[BlackElo "2070"]
[PlyCount "64"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 f5 4. Bg2 Nf6 5. d3 d6 6. Nf3 e5 7. Bd2 c5 8. Rb1 Nc6 9. a3 0-0 10. b4 cxb4 11. axb4 e4 12. dxe4 fxe4 13. Ng5 a5 14. Ncxe4 Nxe4 15. Nxe4 axb4 16. Bg5 Bc3+ 17. Nxc3 Qxg5 18. Ne4 Qf5 19. 0-0 Be6 20. Nxd6 Qe5 21. Nxb7 Nd4 22. e3 Nf5 23. Bd5 Nxe3 24. fxe3 Qxe3+ 25. Kg2 Ra2+ 26. Kh1 Rxf1+ 27. Qxf1 Bxd5+ 28. cxd5 Qd2 29. Qh3 Qxd5+ 30. Kg1 Qd4+ 31. Kh1 Qe4+ 32. Kg1 Qxb1+ 0-1

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.29"]
[Round "9"]
[White "Zuiderweg, Edwin"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1983"]
[BlackElo "2070"]
[PlyCount "33"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. b3 Qh4 10. a3 Rb8 11. g3 Qd8 12. Qe4 Ne7 13. Qe3 Nf5 14. Qd3 g6 15. Bb2 Bg7 16. Bg2 0-0 17. Qc2 1/2-1/2

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.28"]
[Round "6"]
[White "Dessing, Bastiaan"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "1935"]
[BlackElo "2070"]
[PlyCount "53"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 dxe4 5. Nxe4 b6 6. c3 Bb7 7. Bd3 Nf6 8. Qe2 Nxe4 9. Bxe4 Qd7 10. 0-0 0-0-0 11. b4 f5 12. Bd3 Bxb4 13. Bc4 e5 14. cxb4 Nxd4 15. Nxd4 Qxd4 16. Bb2 Qh4 17. Bxe5 Rhe8 18. f4 Qe7 19. Bb5 Qxb4 20. Rac1 Rd2 21. Rxc7+ Kd8 22. Rd1 Qd4+ 23. Bxd4 Rexe2 24. Rd7+ Kc8 25. Rxd2 Rxd2 26. Kf1 a6 27. Ke1 1/2-1/2

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.27"]
[Round "5"]
[White "Burggraaf, Jan Theodoor"]
[Black "Boersma, Jan"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2070"]
[BlackElo "2184"]
[PlyCount "46"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. h3 0-0 6. Bf4 Qe8 7. e3 Nfd7 8. Be2 e5 9. Bh2 f5 10. Qb3 Kh8 11. 0-0-0 a5 12. h4 a4 13. Nxa4 exd4 14. Nxd4 Na6 15. h5 Nac5 16. Nxc5 Nxc5 17. Qc2 Rxa2 18. hxg6 Qxg6 19. g4 Bd7 20. gxf5 Qf6 21. e4 Ba4 22. b3 Bxb3 23. Nxb3 Ra1+ 0-1

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.26"]
[Round "4"]
[White "Hartoch, Robert G"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2265"]
[BlackElo "2070"]
[PlyCount "25"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. d3 Nd7 5. 0-0 f6 6. e4 dxe4 7. dxe4 e5 8. Nbd2 Ne7 9. Nc4 Nc8 10. Ne3 Be6 11. Qe2 Nd6 12. Nd2 h5 13. Rd1 1/2-1/2

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.25"]
[Round "3"]
[White "Burggraaf, Jan Theodoor"]
[Black "Romijn, Bart"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2070"]
[BlackElo "1842"]
[PlyCount "57"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Bg7 3. e4 d6 4. Nc3 c6 5. a4 Nf6 6. h3 0-0 7. Be3 Qc7 8. Nd2 e5 9. dxe5 dxe5 10. Nb3 b6 11. Bc4 a5 12. g4 Ba6 13. Qe2 Bb7 14. f3 Na6 15. Qf2 c5 16. Nb5 Qe7 17. 0-0-0 Rad8 18. Rxd8 Rxd8 19. c3 Nc7 20. g5 Nh5 21. Nxc5 bxc5 22. Bxc5 Qd7 23. Bb6 Nxb5 24. Bxb5 Qe7 25. Bxd8 Qxd8 26. h4 Bc8 27. Qa7 Be6 28. Rd1 Qc8 29. Qb6 1-0

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.24"]
[Round "2"]
[White "Daudzvardis, Janis"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2187"]
[BlackElo "2070"]
[PlyCount "57"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 d6 5. d3 Nh6 6. e3 0-0 7. Nge2 c6 8. 0-0 Nd7 9. b4 a5 10. b5 c5 11. Rb1 Rb8 12. Ne4 Nb6 13. N4c3 Kh8 14. Bb2 f5 15. Nd5 Nxd5 16. cxd5 Nf7 17. b6 Qxb6 18. Bxe5 Qa6 19. Bxg7+ Kxg7 20. Nf4 Nd8 21. a4 b5 22. axb5 Rxb5 23. Qa4 Rxb1 24. Rxb1 g5 25. Nh3 Qxd3 26. Qa1+ Kg6 27. Nxg5 Bd7 28. Nh3 Kh6 29. Rb6 1-0

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.23"]
[Round "1"]
[White "Burggraaf, Jan Theodoor"]
[Black "Slagter, Ruben"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2070"]
[BlackElo "1813"]
[PlyCount "135"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. Nf3 d5 2. h3 Nf6 3. c4 c6 4. b3 Nbd7 5. Bb2 e6 6. Nc3 Bd6 7. Qc2 0-0 8. e3 e5 9. d4 e4 10. Nd2 Re8 11. 0-0-0 Nf8 12. Kb1 Be6 13. f4 c5 14. dxc5 Bxc5 15. cxd5 Bxd5 16. Nxd5 Qxd5 17. Nc4 Qe6 18. Ne5 Qb6 19. Bc4 Re7 20. Bxf7+ Rxf7 21. Qc4 Qe6 22. Qxc5 N8d7 23. Qb5 Nxe5 24. fxe5 Ne8 25. Rhf1 a6 26. Qa4 Rxf1 27. Rxf1 Qd5 28. Bd4 Nc7 29. Qc4 Qxc4 30. bxc4 Ne6 31. Kc2 Re8 32. Kb3 Rd8 33. Kc3 b5 34. cxb5 axb5 35. Rb1 Rc8+ 36. Kb4 Nxd4 37. exd4 Rc4+ 38. Kxb5 Rxd4 39. Kc6 Rd2 40. a4 Kf7 41. Re1 Ke6 42. Rxe4 Rxg2 43. a5 Rc2+ 44. Kb6 Rb2+ 45. Ka7 Rb3 46. Rh4 h6 47. a6 Kxe5 48. Ka8 Kf5 49. a7 Kg5 50. Rg4+ Kh5 51. Rxg7 Rxh3 52. Kb8 Rb3+ 53. Rb7 Ra3 54. a8Q Rxa8+ 55. Kxa8 Kg5 56. Rg7+ Kf5 57. Rh7 Kg6 58. Rh8 Kg7 59. Rb8 h5 60. Kb7 h4 61. Kc6 Kg6 62. Kd5 Kf5 63. Rb4 Kg5 64. Ke4 Kg4 65. Ke3+ Kg3 66. Rb8 Kh2 67. Kf2 h3 68. Rh8 1-0

[Event "Haarlem Nova College op"]
[Site "Haarlem"]
[Date "2006.07.08"]
[Round "4"]
[White "Burggraaf, Jan Theodoor"]
[Black "De Roode, Peter"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1986"]
[BlackElo "2186"]
[PlyCount "72"]
[EventDate "2006.07.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 c5 5. 0-0 Nc6 6. d3 Be7 7. Nc3 0-0 8. a3 b6 9. b3 Bb7 10. Bb2 d4 11. Na2 Nd7 12. b4 e5 13. b5 Na5 14. Nc1 f5 15. Nb3 Nxb3 16. Qxb3 Qc7 17. Bc1 Rae8 18. Ne1 e4 19. Bf4 Qd8 20. dxe4 fxe4 21. Qb1 Rxf4 22. gxf4 Bd6 23. e3 Qh4 24. f3 dxe3 25. fxe4 Bxf4 26. Nf3 Qh5 27. Qd3 Ne5 28. Qe2 Bxh2+ 29. Kh1 Bf4+ 30. Kg1 Bxe4 31. Rad1 Bh2+ 32. Kh1 Bg3+ 33. Kg1 Bf2+ 34. Rxf2 exf2+ 35. Qxf2 Nxf3+ 36. Bxf3 Bxf3 0-1

[Event "Haarlem Nova College op"]
[Site "Haarlem"]
[Date "2006.07.08"]
[Round "2"]
[White "Burggraaf, Jan Theodoor"]
[Black "Jonkman, Harmen"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1986"]
[BlackElo "2435"]
[PlyCount "56"]
[EventDate "2006.07.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 Bc5 5. Nc3 d6 6. Bg5 h6 7. Bxf6 Qxf6 8. Nd5 Qd8 9. c3 a6 10. d4 exd4 11. cxd4 Ba7 12. Ne3 0-0 13. a3 Qf6 14. Nd5 Qg6 15. 0-0 Bg4 16. Kh1 Qxe4 17. Re1 Qf5 18. Ne7+ Nxe7 19. Rxe7 Rac8 20. Qb3 Bxf3 21. gxf3 b5 22. Bd5 Bxd4 23. Rxf7 Rxf7 24. Be6 Qf4 25. Bxc8 Be5 26. Kg1 Qxh2+ 27. Kf1 Qh1+ 28. Ke2 Qxa1 0-1

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2004.12.30"]
[Round "9"]
[White "Van der Marel, Bert"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1-0"]
[ECO "A56"]
[WhiteElo "2201"]
[PlyCount "85"]
[EventDate "2004.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 Ne4 4. Qc2 Qa5+ 5. Nd2 Nf6 6. e4 d6 7. b3 e5 8. Bb2 Nbd7 9. Ngf3 g6 10. g3 Bh6 11. Bc3 Qc7 12. a4 a5 13. Bg2 0-0 14. 0-0 Nh5 15. Ne1 f5 16. Nd3 Ndf6 17. f4 Ng4 18. Rae1 fxe4 19. Bxe4 exf4 20. Nxf4 Nxf4 21. gxf4 Bg7 22. Nf3 Nf6 23. Bd3 Bh3 24. Rf2 Rae8 25. Ng5 Rxe1+ 26. Bxe1 Ng4 27. Nxh3 Bd4 28. Qe2 Nxf2 29. Bxf2 Bxf2+ 30. Qxf2 Qf7 31. Qh4 Qg7 32. Ng5 Qd4+ 33. Kg2 h5 34. Bxg6 Qxf4 35. Qxf4 Rxf4 36. Bxh5 Rd4 37. Bf7+ Kh8 38. Be6 Rd2+ 39. Kg3 Rd3+ 40. Kg4 Rxb3 41. Nf7+ Kg7 42. Nxd6 Rb4 43. Bd7 1-0

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2004.12.28"]
[Round "7"]
[White "Van Kesteren, Stef"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "B00"]
[PlyCount "66"]
[EventDate "2004.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. Nf3 b6 4. d4 Qc7 5. Bd3 Bb7 6. Nbd2 cxd4 7. cxd4 Nf6 8. 0-0 Be7 9. a3 0-0 10. e5 Nd5 11. Ne4 f5 12. exf6 Nxf6 13. Nxf6+ Bxf6 14. Be3 Nc6 15. Rc1 Qd6 16. Qd2 Qd5 17. Be2 Rf7 18. Bc4 Qf5 19. Bd3 Qa5 20. Qxa5 Nxa5 21. Ne5 Bxe5 22. dxe5 Bd5 23. Rc7 Nc6 24. f4 g6 25. g3 Kf8 26. b4 Ke8 27. b5 Kd8 28. Rxc6 dxc6 29. bxc6 Bxc6 30. Rd1 Rd7 31. Bc2 Rxd1+ 32. Bxd1 Bd7 33. Be2 Rc8 0-1

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2004.12.27"]
[Round "6"]
[White "Van den Berg, Imme Pieter"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2008"]
[PlyCount "61"]
[EventDate "2004.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nf3 c5 4. Nc3 cxd4 5. Nxd4 d6 6. g3 Be7 7. Bg2 a6 8. b3 0-0 9. 0-0 Qc7 10. Bb2 Nc6 11. Nc2 Bd7 12. e4 Rfd8 13. Qe2 Rab8 14. Rac1 Qa5 15. Rfd1 b5 16. cxb5 axb5 17. Ne3 b4 18. Nc4 Qa6 19. Nxd6 Ra8 20. Qxa6 Rxa6 21. Na4 e5 22. Nb7 Rda8 23. Nbc5 Bxc5 24. Nxc5 Rxa2 25. Nxd7 Nxd7 26. Rxc6 Rxb2 27. Rxd7 Ra1+ 28. Bf1 g5 29. Kg2 g4 30. Bc4 Raa2 31. Rc8+ 1-0

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2004.12.26"]
[Round "5"]
[White "Burggraaf, Jan Theodoor"]
[Black "Heemskerk, Wim"]
[Result "0-1"]
[ECO "B74"]
[BlackElo "2269"]
[PlyCount "82"]
[EventDate "2004.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Be2 Nc6 6. Nb3 a5 7. a4 Nf6 8. Nc3 0-0 9. 0-0 d6 10. Be3 Be6 11. Nd4 Nxd4 12. Bxd4 Rc8 13. f3 Nd7 14. Bxg7 Kxg7 15. Qd4+ Kg8 16. Rfc1 Qb6 17. Nb5 Rc5 18. c3 Rfc8 19. Qf2 Ne5 20. c4 Bd7 21. Rc3 Bxb5 22. axb5 Qd8 23. Rac1 Nd7 24. f4 R8c7 25. Ra1 b6 26. Rh3 Nf8 27. b3 Qb8 28. g4 Ra7 29. g5 Qc7 30. Rf1 f5 31. exf5 Rxf5 32. Bd3 Rf7 33. Be4 a4 34. f5 gxf5 35. Bxf5 e6 36. g6 Rxf5 37. gxh7+ Nxh7 38. Rg3+ Kf8 39. Qxf5+ exf5 40. Rxf5+ Ke7 41. Re3+ Kd8 0-1

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2004.12.23"]
[Round "3"]
[White "Burggraaf, Jan Theodoor"]
[Black "Keizer, Theodoor"]
[Result "0-1"]
[ECO "B09"]
[PlyCount "73"]
[EventDate "2004.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 g6 2. d4 d6 3. f4 Nf6 4. Nc3 Bg7 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 Nc6 8. Bb5 0-0 9. Bxc6 bxc6 10. 0-0 Nd7 11. Be3 Rb8 12. Nd1 c5 13. dxc5 Nxc5 14. Bxc5 dxc5 15. c3 Qd7 16. Rf2 Qa4 17. Ne3 Rb7 18. e5 Rfb8 19. f5 Rxb2 20. Rxb2 Rxb2 21. Qa8+ Bf8 22. Nd5 Qh4 23. Rf1 Qg5 24. Nxc7 gxf5 25. e6 Qe3+ 26. Kh1 fxe6 27. Qc8 Re2 28. Rf3 Qe5 29. Rf1 Qe4 30. Rg1 Re3 31. Kh2 Re1 32. Nb5 Kf7 33. Qc7 Qd5 34. c4 Qd3 35. Qxc5 Bg7 36. Qc6 Be5+ 37. Kh1 0-1

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2004.12.22"]
[Round "2"]
[White "Akotchik, Victor"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "C90"]
[PlyCount "120"]
[EventDate "2004.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Be7 5. 0-0 Nf6 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. d3 Na5 10. Bc2 c5 11. Nbd2 Ne8 12. d4 f6 13. Nf1 Be6 14. b3 Nc7 15. d5 Bf7 16. Ng3 Nb7 17. Nf5 Kh8 18. g4 Ne8 19. h4 g6 20. Nh6 Ng7 21. Kh2 Qd7 22. Rg1 Nd8 23. Bd2 Bg8 24. a4 Nf7 25. Nxg8 Rxg8 26. Qe2 Rab8 27. Ra2 h5 28. g5 f5 29. axb5 axb5 30. Rga1 f4 31. Bd3 Rb7 32. Qd1 Rgb8 33. Bf1 Qc7 34. Bh3 c4 35. b4 Bd8 36. Qb1 Qe7 37. Kg2 Bb6 38. Ra3 Ne8 39. Be1 Nc7 40. Qa2 Kg7 41. Kf1 Kh7 42. Ng1 Rf8 43. f3 Ne8 44. Bf2 Bxf2 45. Qxf2 Nc7 46. Ra5 Rfb8 47. R1a3 Nd8 48. Qa2 Qe8 49. Ra7 Rxa7 50. Rxa7 Nb7 51. Qf2 Na8 52. Be6 Qd8 53. Nh3 Qb6 54. Bd7 Nc5 55. Rxa8 Rxa8 56. bxc5 Ra1+ 57. Kg2 Qa7 58. Bxb5 Ra2 59. cxd6 Rxf2+ 60. Nxf2 Kg7 0-1

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2004.12.21"]
[Round "1"]
[White "Burggraaf, Jan Theodoor"]
[Black "Areshchenko, Alexander"]
[Result "0-1"]
[ECO "E61"]
[BlackElo "2575"]
[PlyCount "92"]
[EventDate "2004.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. Bg5 h6 5. Bh4 0-0 6. e3 c5 7. Nf3 b6 8. Be2 Bb7 9. d5 d6 10. Nd2 Nbd7 11. 0-0 a6 12. a4 Ne8 13. f4 Nc7 14. Qb3 Rb8 15. Rae1 Qe8 16. Bf3 b5 17. cxb5 axb5 18. Nxb5 Nxb5 19. axb5 Ba6 20. Be2 c4 21. Qxc4 Bxb5 22. Qe4 Bf6 23. Bxf6 Nxf6 24. Qf3 Bxe2 25. Rxe2 Qb5 26. e4 Qxb2 27. Rb1 Qd4+ 28. Qe3 Rxb1+ 29. Nxb1 Qa1 30. Re1 Ng4 31. Qb6 Rc8 32. h3 Nf6 33. Qf2 Nxe4 34. Rxe4 Qxb1+ 35. Re1 Rc1 36. Rxc1 Qxc1+ 37. Kh2 Qd1 38. Qe3 Qxd5 39. Qxe7 Qd4 40. Kg3 Kg7 41. Kf3 d5 42. h4 Qc3+ 43. Kf2 Qf6 44. Qe5 Qxe5 45. fxe5 f6 46. e6 f5 0-1

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2004.12.21"]
[Round "1"]
[White "Otte, Marijn Willem"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "C03"]
[PlyCount "88"]
[EventDate "2004.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 104 Extra"]
[Source "ChessBase"]
[SourceDate "2005.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 h6 4. Ngf3 c5 5. exd5 exd5 6. Bb5+ Bd7 7. Bxd7+ Nxd7 8. 0-0 c4 9. Re1+ Ne7 10. b3 b5 11. Ba3 a5 12. bxc4 bxc4 13. Nb1 Ra6 14. Nc3 Re6 15. Nb5 Nc8 16. Bb2 Bb4 17. Rxe6+ fxe6 18. Qe2 Qb6 19. a4 0-0 20. h4 Rf6 21. Kh1 Nd6 22. Nxd6 Bxd6 23. Ba3 Rxf3 24. gxf3 Qxd4 25. Qxe6+ Kh7 26. Bxd6 Qxa1+ 27. Kg2 Qxa4 28. h5 Nf6 29. Be5 Qd7 30. Qa6 Nxh5 31. Qxa5 Qf5 32. Qc3 Nf4+ 33. Kf1 Ne6 34. Bg3 h5 35. Qe3 d4 36. Qe2 d3 37. cxd3 cxd3 38. Qe3 Ng5 39. f4 Nf7 40. Ke1 Nd6 41. f3 Nc4 42. Qe4 d2+ 43. Ke2 Qxe4+ 44. fxe4 Ne3 0-1

[Event "Haarlem Nova College op 1st"]
[Site "Haarlem"]
[Date "2002.07.07"]
[Round "6"]
[White "Burggraaf, Jan Theodoor"]
[Black "Zult, Daan"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2097"]
[BlackElo "2208"]
[PlyCount "96"]
[EventDate "2002.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Nbd7 5. Be2 g6 6. d3 Bg7 7. Nbd2 0-0 8. Nf1 b5 9. Ng3 Bb7 10. h4 h5 11. Bf4 e5 12. Bg5 Qa5 13. 0-0 Bc6 14. Nh2 d5 15. f4 exf4 16. Bxf4 dxe4 17. dxe4 Rfe8 18. Nf3 Nxe4 19. Ng5 Nxg5 20. Bxg5 Qc7 21. Nxh5 gxh5 22. Bxh5 Ne5 23. Qf5 Re6 24. Rae1 Rf8 25. Bf4 Qe7 26. Bg5 Qd7 27. Re3 f6 28. Bf4 Rd6 29. Qb1 Rd3 30. Be2 Rxe3 31. Bxe3 Qd5 32. Bf3 Nxf3+ 33. Rxf3 f5 34. Qf1 a6 35. Bf4 Qe6 36. Rg3 Kh7 37. Qf2 Be5 38. Qe2 Bd4+ 39. Be3 Bxe3+ 40. Rxe3 Be4 41. g4 Qc4 42. Qe1 Qxa2 43. Rxe4 fxe4 44. Qxe4+ Kg7 45. Qe5+ Rf6 46. g5 Qb1+ 47. Kg2 Qf1+ 48. Kg3 Qf2+ 0-1

[Event "Haarlem Nova College op 1st"]
[Site "Haarlem"]
[Date "2002.07.07"]
[Round "5"]
[White "Freneaux, Thomas Scott"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "2034"]
[BlackElo "2097"]
[PlyCount "38"]
[EventDate "2002.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nc3 dxc4 4. d5 Ne5 5. f4 Ng4 6. e4 e5 7. f5 h5 8. Qc2 Bc5 9. Nd1 Bxg1 10. Rxg1 Qh4+ 11. g3 Qxh2 12. Qxh2 Nxh2 13. Rh1 Nxf1 14. Kxf1 Nf6 15. Rh4 Bd7 16. Bg5 Nxe4 17. Rxe4 f6 18. Bd2 Bxf5 19. Rxc4 Bd3+ 0-1

[Event "Haarlem Nova College op 1st"]
[Site "Haarlem"]
[Date "2002.07.06"]
[Round "2"]
[White "Burggraaf, Jan Theodoor"]
[Black "Meijers, Viesturs"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "2097"]
[BlackElo "2427"]
[PlyCount "64"]
[EventDate "2002.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. e3 e6 5. Bd3 c5 6. dxc5 Bxc5 7. Nf3 Bb4 8. 0-0 Bxc3 9. bxc3 Qc7 10. Nd4 a6 11. Ne2 b6 12. Qb1 0-0 13. a4 h6 14. Bxf6 Nxf6 15. Qb3 e5 16. Ng3 e4 17. Be2 Be6 18. Rab1 Nd7 19. f4 f5 20. Rfd1 Qc5 21. Rd4 Rfc8 22. Bh5 Qxc3 23. Bg6 Qxb3 24. cxb3 Rf8 25. b4 Rf6 26. Bh5 Rc8 27. Rbd1 Rc3 28. Rxd5 Bxd5 29. Rxd5 Rd3 30. Nxf5 Rxd5 31. Ne7+ Kf8 32. Nxd5 Rf5 0-1

[Event "Haarlem Nova College op 1st"]
[Site "Haarlem"]
[Date "2002.07.06"]
[Round "4"]
[White "Burggraaf, Jan Theodoor"]
[Black "Pietrow, Andrzej"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2097"]
[BlackElo "2051"]
[PlyCount "35"]
[EventDate "2002.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg4 6. Bc4 e6 7. h3 Bxf3 8. Qxf3 Nf6 9. 0-0 Bd6 10. Re1 0-0 11. b3 Nbd7 12. Bb2 Qc7 13. d4 Rfd8 14. Bf1 Rac8 15. Rad1 Be7 16. c4 Nf8 17. Bd3 Ng6 18. Bxg6 1/2-1/2

[Event "Haarlem Nova College op 1st"]
[Site "Haarlem"]
[Date "2002.07.06"]
[Round "3"]
[White "Gouma, Ronald"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1856"]
[BlackElo "2097"]
[PlyCount "52"]
[EventDate "2002.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 g6 5. Be3 Bg7 6. c3 Nf6 7. Nxc6 bxc6 8. Be2 Nxe4 9. Nd2 Nxd2 10. Qxd2 0-0 11. h4 a5 12. h5 Qf6 13. hxg6 fxg6 14. 0-0-0 d5 15. Rh2 Rf7 16. Rdh1 Bf8 17. Rh4 a4 18. a3 Bf5 19. Bd1 Qe6 20. g4 Be4 21. R1h3 Be7 22. Rh6 d4 23. cxd4 Qa2 24. Qc3 Rb8 25. Kd2 Rxb2+ 26. Ke1 Bxa3 0-1

[Event "Haarlem Nova College op 1st"]
[Site "Haarlem"]
[Date "2002.07.05"]
[Round "1"]
[White "De Bock, Gijsbert"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1383"]
[BlackElo "2097"]
[PlyCount "70"]
[EventDate "2002.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 a6 4. Nf3 b5 5. b3 Bb7 6. d3 b4 7. Na4 Nf6 8. Be2 Be7 9. 0-0 0-0 10. Qe1 d5 11. exd5 Nxd5 12. Bd2 Nd7 13. Nb2 Bf6 14. Rb1 Nc3 15. Bxc3 Bxc3 16. Qg3 Nf6 17. Ne5 Bxb2 18. Bf3 Bxf3 19. Qxf3 Bd4+ 20. Kh1 Qd5 21. Qg3 Nh5 22. Qg4 g6 23. Rbe1 Ng7 24. Re2 f6 25. Nf3 Rae8 26. Nxd4 cxd4 27. Rfe1 Nf5 28. Qf3 Qxf3 29. gxf3 Ne3 30. Rxe3 dxe3 31. Rxe3 e5 32. Re4 a5 33. fxe5 Rxe5 34. Rxe5 fxe5 35. Kg2 Rc8 0-1

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.08"]
[Round "5"]
[White "Burggraaf, Jan Theodoor"]
[Black "Molenaar, Joseph"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "42"]
[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. g3 e5 2. Bg2 d5 3. Nf3 Nc6 4. 0-0 Nf6 5. c4 dxc4 6. Qa4 Bd6 7. Na3 e4 8. Ng5 Bf5 9. Nxc4 0-0 10. Nxd6 Qxd6 11. Nxe4 Nxe4 12. Bxe4 b5 13. Qc2 Nd4 14. Qd3 Bxe4 15. Qxe4 Rfe8 16. Qg2 Nxe2+ 17. Kh1 Nxc1 18. Raxc1 Qxd2 19. Rxc7 Qxb2 20. Qd5 Qf6 21. Qxb5 a6 1/2-1/2

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.08"]
[Round "6"]
[White "Van Onzen, Jeroen"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "B44"]
[PlyCount "90"]
[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 c5 2. Nf3 e6 3. c4 Nc6 4. Nc3 Nf6 5. d4 cxd4 6. Nxd4 Bb4 7. f3 0-0 8. Bg5 Qa5 9. Nxc6 Bxc3+ 10. bxc3 Qxg5 11. Ne7+ Kh8 12. Nxc8 Qe3+ 13. Be2 Qxc3+ 14. Kf2 Raxc8 15. Qd3 Qxd3 16. Bxd3 d6 17. Rhd1 Rfd8 18. Rab1 b6 19. Be2 Kg8 20. Rb3 Kf8 21. Ra3 a5 22. Rb3 Rb8 23. Rbd3 Ke7 24. R3d2 Ne8 25. Rb1 Kd7 26. Bd1 Kc7 27. Ba4 Nf6 28. Rbd1 g5 29. g4 h6 30. h4 Nh7 31. h5 e5 32. Ke3 Nf8 33. Rd5 Ne6 34. Bb5 f6 35. a4 Nc5 36. Ke2 Nb3 37. Ke3 Rbc8 38. Ba6 Ra8 39. Bb5 Ra7 40. Kf2 Nd4 41. R5xd4 exd4 42. Ke2 Kb8 43. Rd3 Rf8 44. Rxd4 Rc8 45. Kf2 Rac7 0-1

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.07"]
[Round "3"]
[White "Bertholee, Rob"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2382"]
[PlyCount "75"]
[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 c6 2. d4 Na6 3. Bxa6 Qa5+ 4. Nc3 Qxa6 5. Nge2 e6 6. 0-0 d5 7. Ng3 dxe4 8. Ncxe4 Qa5 9. c4 h5 10. c5 h4 11. Nh5 f5 12. Ng5 Qd8 13. Re1 Rh6 14. Nf4 Qxg5 15. Nxe6 Qf6 16. Nc7+ Kd8 17. Nxa8 f4 18. d5 cxd5 19. Qxd5+ Bd7 20. Qxg8 Rg6 21. Qd5 f3 22. Qe5 Rxg2+ 23. Kh1 Qxe5 24. Rxe5 Rxf2 25. Bg5+ Kc8 26. Rd1 b6 27. cxb6 Bc6 28. Kg1 Rg2+ 29. Kf1 Rxh2 30. Rd8+ Kb7 31. Rxf8 Rxb2 32. Rf7+ Kxa8 33. Rxa7+ Kb8 34. Bf4 Rxb6 35. Ree7+ Kc8 36. Rec7+ Kb8 37. Rxc6+ Kxa7 38. Be3 1-0

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.07"]
[Round "4"]
[White "Burggraaf, Jan Theodoor"]
[Black "Shchekachev, Andrei"]
[Result "0-1"]
[ECO "A07"]
[BlackElo "2546"]
[PlyCount "112"]
[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. g3 e5 2. Bg2 d5 3. Nf3 Nc6 4. 0-0 e4 5. Ne1 h5 6. d3 exd3 7. Nxd3 h4 8. Nf4 hxg3 9. hxg3 Nf6 10. c4 d4 11. Nd5 Be6 12. Bg5 Be7 13. Nxe7 Qxe7 14. Bxc6+ bxc6 15. Qxd4 Rd8 16. Bxf6 gxf6 17. Qe3 Bxc4 18. Qxe7+ Kxe7 19. Nc3 Rd2 20. b3 Be6 21. Rfd1 Rhd8 22. Rxd2 Rxd2 23. Kf1 Rc2 24. Nd1 Kd6 25. Ne3 Rc5 26. Rd1+ Ke7 27. f4 Ra5 28. Rd2 Ra3 29. Kf2 a5 30. f5 Bd5 31. Nd1 a4 32. bxa4 Bxa2 33. Nb2 Bb1 34. e4 c5 35. g4 c4 36. Nxc4 Rxa4 37. Ne3 Bxe4 38. Re2 Kd6 39. Nd1 Bd5 40. Rd2 Ra2 41. Rxa2 Bxa2 42. Nc3 Bd5 43. Ke3 Ke5 44. Ne2 c5 45. Nf4 Bc4 46. Nh5 Bb3 47. Nf4 Bc2 48. Nh3 c4 49. Kd2 Bd3 50. Ke3 Bf1 51. Ng1 c3 52. Nf3+ Kd5 53. g5 fxg5 54. Nxg5 Kc4 55. Nxf7 Kb3 56. Ne5 c2 0-1

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.06"]
[Round "2"]
[White "Burggraaf, Jan Theodoor"]
[Black "Ernst, Sipke"]
[Result "1-0"]
[ECO "A00"]
[BlackElo "2440"]
[PlyCount "83"]
[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. g3 e5 2. Bg2 Nf6 3. c3 d5 4. Na3 c6 5. Nc2 Bd6 6. d3 Bf5 7. f3 Qc7 8. e4 Be6 9. Nh3 Na6 10. Ng5 Bd7 11. exd5 cxd5 12. d4 exd4 13. Nxd4 0-0 14. 0-0 Rfe8 15. Nh3 h6 16. Bf4 Bxh3 17. Bxd6 Qxd6 18. Bxh3 Nc5 19. Qd2 Qb6 20. Rf2 a5 21. Bf1 a4 22. Rb1 a3 23. b3 Rac8 24. Re1 Ne6 25. Nb5 Ng5 26. Kg2 Red8 27. h4 Ne6 28. Nxa3 d4 29. c4 g5 30. hxg5 hxg5 31. Bd3 Nh5 32. Rh1 Nxg3 33. Kxg3 Qd6+ 34. Kg4 Qxa3 35. Bf5 Qd6 36. Rfh2 d3 37. Rh8+ Kg7 38. R1h7+ Kf6 39. Rh6+ Ke7 40. Rxe6+ fxe6 41. Qxg5+ Kd7 42. Rh7+ 1-0

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.06"]
[Round "1"]
[White "Wagenvoorde, Frits"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "A88"]
[PlyCount "70"]
[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 d6 2. c4 f5 3. g3 Nf6 4. Bg2 c6 5. Nc3 Qc7 6. Nf3 g6 7. 0-0 Bg7 8. Re1 0-0 9. Bf4 Nh5 10. Qd2 Nxf4 11. Qxf4 e5 12. Qd2 e4 13. Ng5 h6 14. Nh3 Qf7 15. d5 c5 16. e3 g5 17. f3 exf3 18. Bf1 Be5 19. Nd1 Nd7 20. Ndf2 Nf6 21. Rab1 Ne4 22. Qd1 Bd7 23. Bd3 Rae8 24. Qc2 Kh8 25. Kh1 Qh5 26. Rg1 Nxg3+ 27. hxg3 g4 28. Kh2 Rg8 29. Bf1 Qh4 30. Nh1 gxh3 31. Qf2 Qe4 32. Rd1 Bf6 33. Re1 Bg5 34. b3 Bxe3 35. Qb2+ Qd4 0-1

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2001.06.08"]
[Round "1"]
[White "Van der Vecht, Ernst"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "64"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 c5 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. d3 d6 8. Nc3 Rb8 9. a4 0-0 10. Bd2 Nb4 11. Bf4 Nec6 12. Nb5 e5 13. Bg5 f6 14. Be3 a6 15. c3 axb5 16. axb5 Nd4 17. cxd4 exd4 18. Bd2 f5 19. Bxb4 cxb4 20. exf5 Bxf5 21. Qd1 Be6 22. Nd2 Qb6 23. Re1 Bf7 24. Nc4 Bxc4 25. dxc4 d3 26. Bd5+ Kh8 27. Rf1 Bxb2 28. Rb1 Qd4 29. h4 Bc3 30. h5 Rbe8 31. hxg6 Re2 32. gxh7 Rfxf2 0-1

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2001.??.??"]
[Round "3"]
[White "Burggraaf, Jan Theodoor"]
[Black "Duvekot, Willem A"]
[Result "1/2-1/2"]
[ECO "A01"]
[PlyCount "83"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 d6 4. c4 Nf6 5. a3 Be7 6. Nc3 Bf5 7. d3 0-0 8. Nge2 Bg4 9. h3 Be6 10. e4 Nd7 11. Nd5 f5 12. Nxe7+ Qxe7 13. Nc3 fxe4 14. Nxe4 Nd4 15. Bxd4 exd4 16. Be2 d5 17. Ng3 Rae8 18. 0-0 Qg5 19. Bf3 c6 20. cxd5 Bxd5 21. Ne4 Bxe4 22. Bxe4 Nc5 23. Qc2 Rd8 24. f4 Qe7 25. Rae1 Qd6 26. b4 Nd7 27. Qa2+ Kh8 28. g3 Rfe8 29. Qf2 Nb6 30. g4 Na4 31. Qh4 h6 32. f5 Qf6 33. Qh5 Nc3 34. h4 Nxe4 35. dxe4 Qe5 36. Rf3 d3 37. g5 d2 38. Rd1 Qxe4 39. f6 Qe1+ 40. Kg2 Qe2+ 41. Kg3 Qe1+ 42. Kg2 1/2-1/2

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2001.??.??"]
[Round "2"]
[White "Burggraaf, Jan Theodoor"]
[Black "Karstens, Bart"]
[Result "0-1"]
[ECO "C17"]
[PlyCount "76"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 e6 3. e4 Bb4 4. e5 c5 5. dxc5 Ne7 6. Bd2 Nbc6 7. Nf3 0-0 8. Bd3 f6 9. exf6 Rxf6 10. Na4 Bxd2+ 11. Qxd2 e5 12. c4 e4 13. cxd5 Qxd5 14. Bc2 exf3 15. Bb3 Re6+ 16. Qe3 fxg2 17. Rg1 Nd4 18. Bxd5 Nxd5 19. 0-0-0 Nxe3 20. Rxd4 Nf5 21. Rd8+ Kf7 22. Rxg2 Re8 23. Rxe8 Kxe8 24. Nc3 Be6 25. b4 a5 26. a3 axb4 27. axb4 Ra3 28. Nb5 Rb3 29. Nc7+ Kd7 30. Nxe6 Kxe6 31. Rg4 h5 32. Rc4 Kd5 33. Rf4 Ke5 34. Rc4 Nd4 35. Kd2 Kd5 36. Rc3 Rb2+ 37. Kc1 Rxb4 38. Rg3 Ne6 0-1

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2001.??.??"]
[Round "6"]
[White "Burggraaf, Jan Theodoor"]
[Black "Van Veen, Oscar"]
[Result "1-0"]
[ECO "A25"]
[PlyCount "99"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 Nc6 3. c4 f5 4. Nc3 Nf6 5. d3 Bc5 6. e3 d6 7. Nge2 0-0 8. d4 Bb6 9. 0-0 Qe8 10. Nd5 Qh5 11. Nxf6+ Rxf6 12. Nc3 Qxd1 13. Rxd1 exd4 14. Bxc6 dxc3 15. Bd5+ Kf8 16. bxc3 c6 17. Bf3 Bc5 18. a4 Be6 19. Be2 Re8 20. a5 a6 21. Ba3 Bxa3 22. Rxa3 Bc8 23. c5 dxc5 24. c4 Ke7 25. Rad3 Rff8 26. f4 Rd8 27. Kf2 Rxd3 28. Rxd3 Rd8 29. Kf3 Rxd3 30. Bxd3 Kd6 31. h3 h5 32. Ke2 Kc7 33. Kd2 b6 34. axb6+ Kxb6 35. Kc3 Ka5 36. Be2 g6 37. Bf3 Kb6 38. e4 a5 39. exf5 Bxf5 40. g4 hxg4 41. hxg4 Bb1 42. Kb2 Bd3 43. Kc3 Bb1 44. Bd1 Be4 45. Bc2 Bf3 46. g5 Bh5 47. f5 gxf5 48. Bxf5 a4 49. g6 a3 50. Kb3 1-0

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2001.??.??"]
[Round "4"]
[White "Van de Fliert, Willem"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "94"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Qxe2+ 8. Bxe2 Be7 9. Nc3 c6 10. 0-0 h6 11. Bd2 0-0 12. Rfe1 Rd8 13. Bf1 Bf8 14. Ne4 Nbd7 15. a4 a5 16. g3 Nxe4 17. dxe4 Ne5 18. Nxe5 dxe5 19. Be3 Be6 20. Bb6 Rd2 21. Bd3 c5 22. b3 Bxb3 23. Rec1 c4 24. Be3 cxd3 25. Bxd2 dxc2 26. Kf1 b5 27. axb5 a4 28. Ke2 Rc8 29. Kd3 Bc5 30. Be3 Bb4 31. b6 Rd8+ 32. Ke2 Bc3 33. f3 Bxa1 34. Rxa1 Kf8 35. b7 Rb8 36. Bc5+ Ke8 37. Bd6 Rxb7 38. Bxe5 Rd7 39. Bb2 Rd1 40. Rc1 h5 41. Ke3 Kd7 42. g4 hxg4 43. fxg4 g5 44. e5 Kc6 45. Ke4 Kb5 46. Ba3 Kc4 47. Ke3 Kc3 0-1

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2001.??.??"]
[Round "5"]
[White "Wortel, Marten"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2302"]
[PlyCount "37"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nc6 5. Nf3 b6 6. Bd3 Bb7 7. c3 Nge7 8. Qe2 Nf5 9. Neg5 Be7 10. Bf4 Bxg5 11. Nxg5 Nce7 12. 0-0-0 h6 13. Ne4 Qd5 14. Bxc7 Nxd4 15. Qg4 Kd7 16. Bg3 f5 17. Qxg7 fxe4 18. Bxe4 Rhg8 19. Bxd5 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2000.07.27"]
[Round "9"]
[White "Plasman, Hans"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1-0"]
[ECO "B05"]
[WhiteElo "2218"]
[PlyCount "103"]
[EventDate "2000.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 c6 6. 0-0 Bxf3 7. Bxf3 dxe5 8. dxe5 e6 9. Qe2 Nd7 10. c4 Ne7 11. Bg4 h5 12. Bh3 Qc7 13. Re1 0-0-0 14. Nd2 Ng6 15. Nf3 Ndxe5 16. Nxe5 Qxe5 17. Qxe5 Nxe5 18. Bg5 Nd3 19. Rxe6 fxe6 20. Bxd8 Nf4 21. Bh4 Bc5 22. Re1 Nxh3+ 23. gxh3 Bd4 24. Rxe6 Bxb2 25. Re7 Bf6 26. Bxf6 gxf6 27. Rf7 Rg8+ 28. Kf1 Rd8 29. Rxf6 Rd4 30. Rf5 Rxc4 31. Rxh5 Ra4 32. h4 Rxa2 33. Rh8+ Kc7 34. h5 c5 35. h6 Ra6 36. Ke2 c4 37. Ke3 c3 38. h7 Rh6 39. Kd3 Rxh2 40. Kxc3 a5 41. f4 a4 42. Kb4 Rh4 43. Ka3 Kb6 44. f5 Kb5 45. f6 Rh3+ 46. Ka2 Kb4 47. f7 Rh2+ 48. Kb1 Kb3 49. Kc1 a3 50. f8Q a2 51. Qf3+ Kb4 52. Qxb7+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2000.07.26"]
[Round "8"]
[White "Burggraaf, Jan Theodoor"]
[Black "Van der Veen, Jan"]
[Result "1/2-1/2"]
[ECO "A15"]
[BlackElo "2092"]
[PlyCount "117"]
[EventDate "2000.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. b4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. Ba3 d6 6. g3 e5 7. Bg2 Re8 8. 0-0 c6 9. Rc1 Be6 10. d3 h6 11. c5 dxc5 12. bxc5 Qa5 13. Qa4 Qxa4 14. Nxa4 Bxa2 15. Nc3 Bd5 16. e4 Be6 17. Rb1 Bc8 18. Rfd1 Na6 19. d4 exd4 20. Nxd4 Nd7 21. Na4 Bf8 22. Rbc1 b5 23. Nxc6 bxa4 24. e5 Bxc5 25. Bxc5 Ndxc5 26. Ne7+ Rxe7 27. Bxa8 Bb7 28. Rb1 Kg7 29. Bxb7 Rxb7 30. Rxb7 Nxb7 31. e6 Kf8 32. Rd7 Nbc5 33. Rxf7+ Ke8 34. Rf3 Nb3 35. Rc3 Nac5 36. f4 Nxe6 37. Re3 Kd7 38. g4 Ned4 39. f5 gxf5 40. gxf5 Nxf5 41. Rf3 Nfd4 42. Rf7+ Kc6 43. Rxa7 Nc5 44. Kf2 Kb6 45. Ra8 Kb5 46. Ke3 Nc2+ 47. Kf4 a3 48. Rxa3 Nxa3 49. Kg4 Kc6 50. Kh5 Kd6 51. Kxh6 Ke7 52. Kg5 Ne6+ 53. Kf5 Kf7 54. h4 Ng7+ 55. Kg5 Ne6+ 56. Kf5 Nd4+ 57. Ke4 Nab5 58. h5 Kg7 59. h6+ 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2000.07.25"]
[Round "7"]
[White "Woudsma, Martijn"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "54"]
[EventDate "2000.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. e5 e6 4. c3 Nge7 5. Bd3 Nf5 6. Nf3 Be7 7. Nbd2 h5 8. Nf1 b6 9. Ne3 Na5 10. b4 Nb7 11. Qc2 g6 12. Rb1 c6 13. Rg1 Bd7 14. g3 Rc8 15. h3 Rc7 16. g4 hxg4 17. hxg4 Nh4 18. Nxh4 Bxh4 19. Bxg6 fxg6 20. Qxg6+ Kf8 21. Nf5 exf5 22. gxf5 Bxf2+ 23. Ke2 Qh4 24. Qg7+ Ke8 25. Rg4 Qh5 26. Kxf2 Bxf5 27. Qxc7 Qxg4 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2000.07.24"]
[Round "6"]
[White "Burggraaf, Jan Theodoor"]
[Black "Smorenberg, Jeroen"]
[Result "1/2-1/2"]
[ECO "A03"]
[BlackElo "2127"]
[PlyCount "111"]
[EventDate "2000.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 c6 3. f4 g6 4. Nf3 Bg7 5. 0-0 Nd7 6. d4 Ngf6 7. c3 0-0 8. Be3 Ng4 9. Bf2 f6 10. Qb3 Qb6 11. Nbd2 e5 12. dxe5 Nxf2 13. Rxf2 fxe5 14. Qxb6 axb6 15. e3 Nc5 16. Bf1 e4 17. Nd4 Nd3 18. Bxd3 exd3 19. a3 c5 20. Nb5 Ra5 21. Nd6 Bd7 22. e4 dxe4 23. N2xe4 Bc6 24. Rd1 c4 25. Nd2 b5 26. Re1 Rd8 27. N6e4 Re8 28. h4 Raa8 29. Rff1 b4 30. axb4 Ra2 31. b5 Bxb5 32. Nd6 Rxe1 33. Rxe1 Rxb2 34. N2xc4 Bxc4 35. Re8+ Bf8 36. Nxc4 Rc2 37. Rd8 b5 38. Ne5 d2 39. Kf1 Rxc3 40. Ke2 Rxg3 41. Kxd2 Kg7 42. Rd7+ Kh6 43. h5 Bc5 44. hxg6 Be3+ 45. Ke2 hxg6 46. Ng4+ Rxg4 47. Kxe3 Rg3+ 48. Ke4 b4 49. Rb7 b3 50. Rb5 Kg7 51. Ke5 Re3+ 52. Kd4 Rh3 53. Rb7+ Kh6 54. Rb5 Rh4 55. Ke4 Rh3 56. Kd4 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2000.07.21"]
[Round "4"]
[White "Hamelink, Desiree"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1-0"]
[ECO "B60"]
[WhiteElo "2176"]
[PlyCount "103"]
[EventDate "2000.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Bxf6 gxf6 8. Be2 Qa5 9. Bf3 Ne5 10. Nb3 Nxf3+ 11. Qxf3 Qg5 12. h4 Qg4 13. Qxg4 Bxg4 14. f3 Bd7 15. Nd5 Rc8 16. c3 h5 17. Nd4 Bh6 18. Kf2 Rc5 19. Rad1 Rg8 20. Rhe1 Bf8 21. Re2 Rg6 22. Nf4 Rh6 23. Nd5 e6 24. Nb4 Be7 25. g3 Ra5 26. a3 Rc5 27. Rc1 b5 28. Nb3 Rc8 29. Rd2 f5 30. exf5 Rf6 31. fxe6 fxe6 32. Re1 Kf7 33. Nd3 Rg8 34. Ne5+ dxe5 35. Rxd7 Rfg6 36. Rxe5 Rxg3 37. Rxh5 Ke8 38. Rxa7 Rg2+ 39. Ke3 Rxb2 40. Rxb5 Bxh4 41. Ra8+ Kf7 42. Rxg8 Kxg8 43. Nd4 Ra2 44. Ra5 Be1 45. Ra8+ Kf7 46. Kd3 e5 47. Nc2 Bf2 48. Rb8 Bc5 49. Rb3 Ke6 50. c4 Kd6 51. Kd2 Bd4 52. Kc1 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2000.07.20"]
[Round "3"]
[White "Burggraaf, Jan Theodoor"]
[Black "Bhuiyan, Abul Kashem"]
[Result "0-1"]
[ECO "A29"]
[BlackElo "2080"]
[PlyCount "100"]
[EventDate "2000.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 e5 3. Nf3 Nc6 4. 0-0 Nf6 5. c4 Be7 6. cxd5 Nxd5 7. Nc3 Be6 8. d4 exd4 9. Nxd4 Nxc3 10. bxc3 Nxd4 11. cxd4 c6 12. e4 0-0 13. Be3 Qa5 14. Qc2 Rfd8 15. a4 Rd7 16. f4 f5 17. d5 cxd5 18. exf5 Rc7 19. Qb3 Bf7 20. Bd4 Re8 21. Rfd1 b6 22. Be5 Rc4 23. Qb5 Ra8 24. Qxa5 bxa5 25. Bf1 Bc5+ 26. Kh1 Rc2 27. Rac1 Rxc1 28. Rxc1 Bb6 29. f6 g6 30. Bd3 Be8 31. f5 g5 32. h4 g4 33. Be2 h5 34. Bd1 Bd7 35. Bd6 Bxf5 36. Be7 Rc8 37. Rxc8+ Bxc8 38. Bc2 Kf7 39. Kg2 Ba6 40. Bb1 Bc4 41. Bc2 Bd4 42. Bd8 Bc3 43. Bd1 d4 44. Kf2 Bd2 45. Bc2 Be3+ 46. Ke1 d3 47. Bb1 Bb6 48. Be7 Bc7 49. Kf2 d2 50. Bc2 Bb6+ 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2000.07.19"]
[Round "2"]
[White "Lahaye, Rick"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1-0"]
[ECO "C53"]
[WhiteElo "2220"]
[PlyCount "27"]
[EventDate "2000.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 d6 6. cxd4 Bb6 7. h3 Nf6 8. Nc3 0-0 9. Bg5 h6 10. Bh4 g5 11. Bg3 Nxe4 12. Nxe4 d5 13. Bxd5 Ba5+ 14. Kf1 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2000.07.18"]
[Round "1"]
[White "Burggraaf, Jan Theodoor"]
[Black "Hendriks, Willy"]
[Result "0-1"]
[ECO "A26"]
[BlackElo "2378"]
[PlyCount "67"]
[EventDate "2000.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 077 Extra"]
[Source "ChessBase"]
[SourceDate "2000.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2000.09.14"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. e4 d6 4. Ne2 e5 5. c4 Nc6 6. d3 f5 7. Nbc3 Nf6 8. f3 Be6 9. Nd5 0-0 10. Bg5 Qd7 11. Qd2 Rae8 12. 0-0 Rf7 13. Bxf6 Bxf6 14. exf5 Bxf5 15. Nxf6+ Rxf6 16. d4 Qf7 17. d5 Nb8 18. g4 Bc8 19. g5 Rf5 20. Qe3 Qe7 21. Qxa7 Rxg5 22. Ng3 Na6 23. Rae1 Nc5 24. f4 Rg4 25. fxe5 dxe5 26. Ne4 Nxe4 27. Rxe4 Rxe4 28. Bxe4 b6 29. Qa4 Bh3 30. Re1 Rf8 31. Qa3 Qh4 32. Qe3 Rf4 33. Bg2 Bxg2 34. Qxe5 0-1

[Event "Haarlem AKN op 09th"]
[Site "Haarlem"]
[Date "2000.07.02"]
[Round "6"]
[White "Blokhuis, Jeroen"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1-0"]
[ECO "C91"]
[WhiteElo "2240"]
[PlyCount "105"]
[EventDate "2000.06.30"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 d6 7. c3 Be7 8. Re1 0-0 9. d4 Bg4 10. d5 Na5 11. Bc2 c6 12. h3 Bd7 13. dxc6 Nxc6 14. Nbd2 g6 15. Nf1 Nh5 16. Bh6 Re8 17. Qd2 Na5 18. b3 Qc7 19. Rac1 Rac8 20. Bd1 b4 21. cxb4 Qxc1 22. Qxc1 Rxc1 23. Bxc1 Nc6 24. a3 Nf4 25. Bxf4 exf4 26. Be2 Ra8 27. Bc4 Ne5 28. N1d2 Bf6 29. Nxe5 Bxe5 30. Bd5 Rb8 31. Nc4 Kf8 32. Rd1 f6 33. Rd3 Ke7 34. Kf1 g5 35. Ke1 Bb5 36. Nxe5 fxe5 37. Rc3 Kd8 38. h4 gxh4 39. Rh3 Rc8 40. Kd2 Bf1 41. Rxh4 Bxg2 42. Rxh7 Rc7 43. Rh8+ Kd7 44. a4 Bf1 45. Rh1 Bg2 46. Rh2 f3 47. b5 axb5 48. a5 Rc5 49. a6 Rxd5+ 50. exd5 Kc7 51. Rh7+ Kb8 52. Kc3 Bf1 53. Kb4 1-0

[Event "Haarlem AKN op 09th"]
[Site "Haarlem"]
[Date "2000.07.02"]
[Round "5"]
[White "Burggraaf, Jan Theodoor"]
[Black "Haakman, Adri"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "75"]
[EventDate "2000.06.30"]
[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. Ne2 Nc6 3. Nbc3 Nf6 4. d4 cxd4 5. Nxd4 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Ne7 9. c4 Ng6 10. Be3 a6 11. Nc3 Be7 12. Qb3 0-0 13. f3 f5 14. Bb6 Qe8 15. 0-0-0 Bd7 16. Bc7 Qc8 17. Qb6 a5 18. c5 dxc5 19. Bc4 Bg5+ 20. Kb1 Be3 21. d6+ Kh8 22. Nd5 Bd4 23. h4 h5 24. Bb5 f4 25. Bxd7 Qxd7 26. Qb3 a4 27. Qc2 Qb5 28. Nc3 Qb4 29. d7 Ne7 30. Bd6 Nf5 31. Bxf8 Ne3 32. a3 Qc4 33. Qd3 Qg8 34. Bxc5 Bxc5 35. d8Q Rxd8 36. Qxd8 Kh7 37. Qxg8+ Kxg8 38. Ne4 1-0

[Event "Haarlem AKN op 09th"]
[Site "Haarlem"]
[Date "2000.07.01"]
[Round "3"]
[White "Burggraaf, Jan Theodoor"]
[Black "Pelter, Yehuda Z"]
[Result "1-0"]
[ECO "C56"]
[BlackElo "2043"]
[PlyCount "55"]
[EventDate "2000.06.30"]
[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 e5 2. Bc4 Nc6 3. Nf3 Bc5 4. c3 Nf6 5. d4 exd4 6. 0-0 d6 7. cxd4 Bb6 8. Nc3 Bg4 9. Be3 0-0 10. Bb3 Qd7 11. Ba4 d5 12. e5 Ne4 13. Rc1 Nxc3 14. Rxc3 f6 15. Bxc6 bxc6 16. Qa4 Bxf3 17. gxf3 fxe5 18. dxe5 d4 19. Rd1 Rxf3 20. Bxd4 Qg4+ 21. Kf1 Rd8 22. Qb3+ Rf7 23. Rg3 Qe4 24. e6 Re7 25. Bxg7 Rxd1+ 26. Qxd1 Rxe6 27. Qd8+ Re8 28. Be5+ 1-0

[Event "Haarlem AKN op 09th"]
[Site "Haarlem"]
[Date "2000.07.01"]
[Round "4"]
[White "Ligterink, Gert"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2391"]
[PlyCount "69"]
[EventDate "2000.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 g6 5. Nf3 Bg7 6. Be2 0-0 7. 0-0 Bg4 8. cxd5 Nxd5 9. h3 Bxf3 10. Bxf3 Nxc3 11. bxc3 e5 12. Rb1 Qc7 13. Qb3 b6 14. a4 Nd7 15. Ba3 Rfe8 16. Rfd1 e4 17. Be2 Bf8 18. Bb2 Bd6 19. c4 c5 20. Qc3 f6 21. dxc5 Be5 22. cxb6 axb6 23. Qb3 Nc5 24. Bxe5 fxe5 25. Qxb6 Qxb6 26. Rxb6 Nxa4 27. Rb7 Nc3 28. Rd2 Nxe2+ 29. Rxe2 Red8 30. Rc2 h5 31. h4 Rd1+ 32. Kh2 Raa1 33. c5 Rac1 34. Rbb2 g5 35. hxg5 1-0

[Event "Haarlem AKN op 09th"]
[Site "Haarlem"]
[Date "2000.06.30"]
[Round "2"]
[White "Burggraaf, Jan Theodoor"]
[Black "Muhren, Bianca"]
[Result "1-0"]
[ECO "A24"]
[PlyCount "105"]
[EventDate "2000.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. Ne2 Bg7 5. c4 0-0 6. Nbc3 c6 7. 0-0 e5 8. d3 Be6 9. f4 Qb6+ 10. Kh1 Ng4 11. Qe1 f5 12. Ng1 Nd7 13. h3 Ngf6 14. Nf3 Nc5 15. Be3 Nxd3 16. Qd2 Nc5 17. Qxd6 Nfd7 18. Na4 Qa5 19. Nxc5 Nxc5 20. Qxc5 Qxc5 21. Bxc5 Rfd8 22. fxe5 fxe4 23. Ng5 Bxc4 24. Bd6 Bxf1 25. Bxf1 b5 26. Ne6 Rd7 27. Nxg7 Kxg7 28. Bg2 Re8 29. Re1 Re6 30. Bxe4 c5 31. Re2 a6 32. Rd2 c4 33. Bc6 Rd8 34. Bb7 a5 35. Ba6 Kf7 36. Bxb5 Rxe5 37. Bxc4+ Ke8 38. Bxe5 Rxd2 39. Bc3 Rc2 40. a4 Ke7 41. Kg1 Kd6 42. Bd3 Rc1+ 43. Kf2 Ra1 44. b3 Ra2+ 45. Kf3 Rh2 46. h4 Kc5 47. Bxa5 Kd4 48. Bc4 h6 49. Bb6+ Kc3 50. a5 g5 51. a6 Ra2 52. hxg5 hxg5 53. a7 1-0

[Event "Haarlem AKN op 09th"]
[Site "Haarlem"]
[Date "2000.06.30"]
[Round "1"]
[White "Van der Eng, Henk"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1/2-1/2"]
[ECO "A04"]
[PlyCount "18"]
[EventDate "2000.06.30"]
[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 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 e5 6. 0-0 Nge7 7. Bg5 h6 8. Be3 d6 9. c3 f5 1/2-1/2

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2000.05.21"]
[Round "6"]
[White "Baak, Evert"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "A09"]
[PlyCount "16"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 dxc4 3. Na3 e5 4. Nxe5 Bxa3 5. Qa4+ b5 6. Qxa3 Nf6 7. b3 Qd6 8. Bb2 c3 0-1

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "4"]
[White "Burggraaf, Jan Theodoor"]
[Black "Van der Leij, Arjan GC"]
[Result "0-1"]
[ECO "A09"]
[PlyCount "100"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 e5 3. Nf3 Nc6 4. 0-0 Nf6 5. c4 d4 6. d3 Be7 7. b4 Bxb4 8. Nxe5 Nxe5 9. Qa4+ Nfd7 10. Qxb4 c5 11. Qa4 0-0 12. Nd2 a6 13. Rb1 Rb8 14. Ne4 Qe7 15. Bg5 f6 16. Bd2 b6 17. f4 Nf7 18. f5 Nde5 19. h3 Qa7 20. g4 Bd7 21. Qa3 Bc6 22. Bf4 Qa8 23. Rf2 b5 24. Qxc5 bxc4 25. Rxb8 Qxb8 26. dxc4 Qb1+ 27. Rf1 Qxa2 28. Qxd4 Rd8 29. Qb6 Qxe2 30. Bxe5 Bxe4 31. Bxe4 Qxe4 32. Bc7 Rd2 33. Rf2 Rd1+ 34. Rf1 Rxf1+ 35. Kxf1 Qxc4+ 36. Ke1 h6 37. Qb8+ Kh7 38. Bf4 a5 39. Qe8 a4 40. Qe3 Qb4+ 41. Qd2 Qb1+ 42. Qc1 Qb3 43. Qe3 Qb2 44. Qe8 Qb3 45. Qe3 Qxe3+ 46. Bxe3 Ng5 47. h4 Nf3+ 48. Kf2 Nxh4 49. Kg3 g5 50. fxg6+ Nxg6 0-1

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "3"]
[White "Wirschell, Taco"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "2335"]
[PlyCount "57"]
[EventDate "2000.05.??"]
[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 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qh5 9. Nxe4 Be6 10. Bg5 Bd6 11. c4 h6 12. Nxd6+ cxd6 13. Bf4 0-0 14. Qb3 Ne5 15. Bxe5 dxe5 16. Rxe5 Qg4 17. Rae1 Rfd8 18. R5e4 Qg6 19. Nxd4 Bf5 20. Nxf5 Qxf5 21. g3 Rd2 22. R4e2 Rad8 23. Qxb7 Rxe2 24. Rxe2 Qb1+ 25. Kg2 Rd1 26. Re8+ Kh7 27. Qxf7 Rg1+ 28. Kh3 Qf1+ 29. Kh4 1-0

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2000.05.19"]
[Round "1"]
[White "Burggraaf, Jan Theodoor"]
[Black "Bettman, Jan"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "55"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. g3 h5 2. d4 h4 3. gxh4 c5 4. dxc5 e5 5. Nc3 Bxc5 6. Nf3 Nf6 7. Nxe5 Nc6 8. Nxc6 bxc6 9. Qd3 Rxh4 10. Bg5 Bxf2+ 11. Kxf2 Ng4+ 12. Kg3 Qxg5 13. Ne4 Qe5+ 14. Kxh4 d5 15. Bg2 Bd7 16. Qc3 Qf4 17. Qf3 Qh6+ 18. Kg3 g5 19. h4 dxe4 20. Qxe4+ Kf8 21. hxg5 Qxg5 22. Rh8+ Kg7 23. Qh7+ Kf6 24. Rf1+ Ke7 25. Rxf7+ Ke6 26. Re7+ Qxe7 27. Qxe7+ Kxe7 28. Rxa8 1-0

[Event "Haarlem AKN op 04th"]
[Site "Haarlem"]
[Date "1995.??.??"]
[Round "3"]
[White "Burggraaf, Jan Theodoor"]
[Black "Gouma, Ronald"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "65"]
[EventDate "1995.07.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. e4 c5 4. f4 d6 5. Nf3 Nc6 6. 0-0 e6 7. Qe2 Nge7 8. c3 Rb8 9. d3 0-0 10. Be3 b6 11. d4 cxd4 12. cxd4 d5 13. e5 Nf5 14. Bf2 b5 15. g4 Nfe7 16. Nbd2 Qb6 17. Nb3 Na5 18. Nc5 Nec6 19. b3 Re8 20. Bh3 Bf8 21. Rac1 Nb4 22. f5 exf5 23. gxf5 Na6 24. fxg6 fxg6 25. Bxc8 Rbxc8 26. Nd7 Qe6 27. Nf6+ Qxf6 28. exf6 Rxe2 29. Rxc8 Rxa2 30. Ng5 Re2 31. Bg3 h6 32. Rxf8+ Kxf8 33. Bd6+ 1-0

[Event "Haarlem AKN op 04th"]
[Site "Haarlem"]
[Date "1995.??.??"]
[Round "1"]
[White "Burggraaf, Jan Theodoor"]
[Black "Smissaert, Michiel"]
[Result "1-0"]
[ECO "D03"]
[PlyCount "65"]
[EventDate "1995.07.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 Bf5 4. e3 e6 5. Bd3 Bxd3 6. Qxd3 Nbd7 7. Nbd2 Be7 8. h3 0-0 9. 0-0 c5 10. c3 cxd4 11. exd4 Rc8 12. Rae1 Qc7 13. Ne5 Rfe8 14. f4 Nxe5 15. fxe5 Nd7 16. Bf4 Nf8 17. Nf3 Ng6 18. Ng5 Bxg5 19. Bxg5 Qc4 20. Qf3 Rc7 21. h4 h6 22. h5 Nh8 23. Bc1 Qxa2 24. Qg3 Kh7 25. Rf4 Rg8 26. Ref1 Qa4 27. Qd3+ g6 28. Rh4 Qe8 29. Rf6 Rg7 30. Bxh6 Kg8 31. Bxg7 Kxg7 32. Qe3 Kf8 33. hxg6 1-0

[Event "Haarlem AKN op 04th"]
[Site "Haarlem"]
[Date "1995.??.??"]
[Round "5"]
[White "Burggraaf, Jan Theodoor"]
[Black "Van Tellingen, Frank"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "53"]
[EventDate "1995.07.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. e4 c5 4. f4 Nc6 5. Nf3 d6 6. d3 e5 7. 0-0 Nge7 8. fxe5 dxe5 9. Be3 b6 10. Qd2 h6 11. Nc3 Be6 12. Nh4 Qd7 13. Rf2 Rd8 14. b3 Nd4 15. Raf1 a6 16. Na4 Qd6 17. c4 Ng8 18. Nc3 h5 19. Nd5 Bxd5 20. cxd5 Nh6 21. Bh3 Rb8 22. Bg5 Rb7 23. Bf6 Bxf6 24. Rxf6 Qd8 25. Qg5 Qe7 26. d6 Qf8 27. d7+ 1-0

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "De Bruycker, Bernard"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2215"]
[PlyCount "147"]
[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. Nf3 d6 2. c4 g6 3. g3 Bg7 4. Bg2 Nf6 5. Nc3 0-0 6. d3 Nc6 7. Rb1 a5 8. a3 d5 9. cxd5 Nxd5 10. Nxd5 Qxd5 11. 0-0 a4 12. b4 Qa2 13. Bf4 Qxa3 14. Nd2 Be6 15. Bxc6 bxc6 16. Bxc7 Ra7 17. Bb6 Rb7 18. Bc5 Qa2 19. d4 Qd5 20. e4 Qd7 21. e5 Bf5 22. Ra1 Bd3 23. Re1 Bb5 24. Ne4 Re8 25. Ra3 Rc8 26. Nc3 Qh3 27. Qf3 Qf5 28. Qxf5 gxf5 29. Rea1 f6 30. f4 fxe5 31. dxe5 Rd7 32. Nxa4 Rcd8 33. Nc3 Bc4 34. Ra8 Rxa8 35. Rxa8+ Kf7 36. Ra7 Rxa7 37. Bxa7 h5 38. Kf2 Ke6 39. Ke3 Bf8 40. Kd4 Bb3 41. Ne2 Kd7 42. Kc3 Bd5 43. Bc5 Bh6 44. Nd4 e6 45. Kb2 h4 46. Ka3 hxg3 47. hxg3 Kc7 48. Ka4 Kb7 49. Ka5 Bg7 50. Nc2 Bb3 51. Ne3 Bh6 52. Ng2 Bd1 53. Bd6 Bf3 54. Nh4 Bh5 55. Ka4 Ka6 56. Kb3 Kb5 57. Kc3 Bg7 58. Ng2 Bf3 59. Ne1 Be4 60. Nd3 Bxd3 61. Kxd3 Bh6 62. Ke3 Kc4 63. Kf3 Kd4 64. Kg2 Ke3 65. Kh3 Kf3 66. Kh4 Bg7 67. Kg5 Kxg3 68. Kg6 Bh8 69. Kh7 Kxf4 70. Kxh8 Ke4 71. Kg7 c5 72. Bxc5 Kxe5 73. b5 Kd5 74. b6 1-0

[Event "Haarlem AKN op 04th"]
[Site "Haarlem"]
[Date "1995.??.??"]
[Round "6"]
[White "De Hulster, E."]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "C36"]
[PlyCount "74"]
[EventDate "1995.07.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 exf4 4. Nf3 Nf6 5. Bb5+ c6 6. dxc6 Nxc6 7. Ne5 Qb6 8. Qe2 Be7 9. Nc4 Qc7 10. Qe5 Qxe5+ 11. Nxe5 Bd7 12. Bxc6 bxc6 13. Nc3 Nd5 14. Nxd5 cxd5 15. Nxd7 Kxd7 16. 0-0 g5 17. b3 Bc5+ 18. Kh1 Rhe8 19. Bb2 Re2 20. Bf6 h6 21. d4 Bb4 22. c4 Re6 23. Be5 f6 24. cxd5 Ra6 25. g3 fxe5 26. dxe5 Bc3 27. e6+ Kd6 28. Rac1 Be5 29. gxf4 Bxf4 30. Rc2 Kxd5 31. e7 Re8 32. Rd1+ Ke6 33. Re2+ Kf7 34. Rd7 Bd6 35. Rd2 Bxe7 36. Re2 Kf8 37. Rf2+ Rf6 0-1

[Event "Haarlem AKN op 04th"]
[Site "Haarlem"]
[Date "1995.??.??"]
[Round "2"]
[White "Kuijf, Marinus"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2465"]
[PlyCount "89"]
[EventDate "1995.07.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Be7 4. Nc3 c6 5. f4 exf4 6. e5 Nd5 7. Bxd5 Bh4+ 8. g3 fxg3 9. Bxf7+ Kxf7 10. Qf3+ Kg8 11. hxg3 Be7 12. Bf4 d5 13. exd6 Bxd6 14. 0-0-0 Bxf4+ 15. Qxf4 Qf6 16. Qxf6 gxf6 17. Re1 Nd7 18. Re7 Kf8 19. Rexh7 Rxh7 20. Rxh7 Kg8 21. Rh4 Ne5 22. Rf4 f5 23. Nf3 Nxf3 24. Rxf3 Be6 25. Ne2 Rf8 26. Nf4 Bf7 27. Re3 Re8 28. Rxe8+ Bxe8 29. Kd2 Kf7 30. Ke3 Kf6 31. Nh3 Bf7 32. a3 Ke5 33. Ng5 Bg8 34. Nf3+ Kf6 35. Kf4 Be6 36. Nd4 Bd7 37. Nb3 b6 38. Nd4 c5 39. Ne2 Bb5 40. Nc3 Bc6 41. Nd1 b5 42. Ne3 Bd7 43. b4 cxb4 44. axb4 a6 45. Nd5+ 1-0

[Event "Haarlem AKN op 04th"]
[Site "Haarlem"]
[Date "1995.??.??"]
[Round "4"]
[White "Van der Weide, Karel"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2345"]
[PlyCount "69"]
[EventDate "1995.07.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d3 g6 4. g3 Bg7 5. Bg2 Nc6 6. 0-0 Nf6 7. Nbd2 0-0 8. c3 e6 9. Re1 Ne8 10. Nb3 Nc7 11. d4 cxd4 12. cxd4 d5 13. e5 b6 14. Bg5 Qd7 15. Qd2 Bb7 16. Rac1 a5 17. h4 a4 18. Na1 f5 19. exf6 Bxf6 20. Nc2 Rf7 21. Ne3 Bg7 22. Ng4 Rxf3 23. Bxf3 Nxd4 24. Bg2 Rf8 25. Ne5 Bxe5 26. Rxe5 Nf3+ 27. Bxf3 Rxf3 28. Qc2 Rf7 29. h5 gxh5 30. Bf4 Na6 31. Qe2 Nc5 32. Qxh5 Kh8 33. Rg5 Rg7 34. Rxg7 Nd3 35. Rc7 1-0

[Event "NED-chT 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "2"]
[White "Burggraaf, Jan Theodoor"]
[Black "De Vilder, Hans"]
[Result "1/2-1/2"]
[ECO "A10"]
[PlyCount "49"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e3 f5 2. c4 Nf6 3. Nc3 g6 4. b4 Bg7 5. Bb2 0-0 6. Qb3 e5 7. Nh3 Kh8 8. f4 e4 9. Nf2 d6 10. Rc1 Be6 11. Be2 Nbd7 12. g4 fxg4 13. Ncxe4 Nxe4 14. Bxg7+ Kxg7 15. Nxe4 Qh4+ 16. Ng3 Kg8 17. 0-0 a5 18. bxa5 Rxa5 19. Qxb7 Rxa2 20. Qxc7 Rxd2 21. Rfd1 Rxe2 22. Nxe2 Ne5 23. Nd4 Qh3 24. fxe5 Qxe3+ 25. Kh1 1/2-1/2

[Event "NED-chT 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "3"]
[White "Burggraaf, Jan Theodoor"]
[Black "Happel, Henk"]
[Result "1-0"]
[ECO "E00"]
[BlackElo "2270"]
[PlyCount "105"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Bg5 b6 4. e4 h6 5. Bxf6 Qxf6 6. Nf3 Bb4+ 7. Nbd2 Bb7 8. Bd3 c5 9. a3 Bxd2+ 10. Qxd2 d6 11. d5 Nd7 12. dxe6 Qxe6 13. 0-0-0 0-0-0 14. Rhe1 Ne5 15. Qc2 Qf6 16. Re3 Ng4 17. Re2 Rhe8 18. h3 Ne5 19. Re3 Re7 20. Be2 Qf4 21. g3 Qf6 22. Nxe5 Rxe5 23. f4 Ree8 24. Bf3 Qe7 25. Rde1 f6 26. Bh5 Rf8 27. Bg6 Kb8 28. Rd1 Qe6 29. Qe2 Ba6 30. b3 Bb7 31. h4 Bc6 32. h5 Kc7 33. a4 Kb7 34. Qd3 Kc7 35. Re2 a6 36. Qc3 Qg4 37. Red2 a5 38. Qd3 Be8 39. e5 fxe5 40. fxe5 Bxg6 41. exd6+ Kd7 42. hxg6 Qf3 43. Qc2 Rde8 44. Rd3 Re3 45. Qc3 Rxd3 46. Qxg7+ Kxd6 47. Rxd3+ Qxd3 48. Qxf8+ Kd7 49. Qf7+ Kc8 50. Qe6+ Kc7 51. Qe5+ Kc8 52. g7 Qg6 53. Qd5 1-0

[Event "NED-chT 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "6"]
[White "Burggraaf, Jan Theodoor"]
[Black "Provoost, Harry"]
[Result "1-0"]
[ECO "A03"]
[PlyCount "103"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. f4 Bg7 4. Nf3 d5 5. d3 c5 6. 0-0 Nc6 7. Nc3 0-0 8. e4 d4 9. Ne2 Rb8 10. h3 b5 11. a4 a6 12. axb5 axb5 13. g4 Qb6 14. Bd2 c4 15. Kh1 Bb7 16. Be1 cxd3 17. cxd3 Ra8 18. Rxa8 Rxa8 19. Bf2 Rd8 20. e5 Ne8 21. Qb3 Nc7 22. Rc1 Ne6 23. f5 Nc5 24. Qc2 Na6 25. Bh4 Nxe5 26. Bxe7 Re8 27. Nxe5 Bxg2+ 28. Kxg2 Bxe5 29. Bh4 Nb4 30. Qb3 Qb7+ 31. Kf2 Nd5 32. Bg3 Bxg3+ 33. Nxg3 Qe7 34. Ne4 Qh4+ 35. Kg1 Nf4 36. fxg6 hxg6 37. Qxb5 Nxh3+ 38. Kg2 Qxg4+ 39. Kh2 Qf4+ 40. Kxh3 Qe3+ 41. Kh2 Qxc1 42. Qxe8+ Kg7 43. Qe5+ Kf8 44. Qh8+ Ke7 45. Qxd4 Qf4+ 46. Kg2 Qg4+ 47. Kf2 Qf4+ 48. Ke2 Qh2+ 49. Kd1 Qh5+ 50. Kc2 Qe2+ 51. Nd2 Qh2 52. Qc5+ 1-0

[Event "NED-chT 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "9"]
[White "Slingerland, Caroline"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "C46"]
[WhiteElo "2140"]
[PlyCount "44"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bf4 Qe7 10. Qe2 Rb8 11. Nd1 Nh6 12. c3 0-0 13. f3 Re8 14. Nf2 Bxe5 15. Bxh6 Rxb2 16. Bd2 Bxc3 17. Ne4 Rxd2 18. Qxd2 Bxd2+ 19. Kxd2 d5 20. Ng3 Qe3+ 21. Kc2 Qc5+ 22. Kb2 Bf5 0-1

[Event "NED-chT 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "4"]
[White "Van Rijn, Wouter"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1/2-1/2"]
[ECO "C02"]
[PlyCount "92"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. c3 d5 4. e5 Nc6 5. Nf3 Bd7 6. a3 Rc8 7. Bd3 h6 8. 0-0 c4 9. Bc2 f5 10. exf6 Qxf6 11. Re1 Nge7 12. Ne5 g6 13. Qg4 Nxe5 14. Rxe5 Bg7 15. Nd2 0-0 16. Nf3 Rcd8 17. Qg3 Nf5 18. Bxf5 gxf5 19. Bf4 Kh7 20. Re2 Qg6 21. Qxg6+ Kxg6 22. Be5 Bxe5 23. Nxe5+ Kf6 24. Rae1 Be8 25. Re3 Rg8 26. h3 Rd6 27. Kh2 Rb6 28. R3e2 h5 29. Nf3 Ba4 30. g3 Be8 31. Nh4 Bf7 32. Ng2 Rd6 33. Nf4 b5 34. b3 Rc8 35. b4 a5 36. Ra1 Ra8 37. Rb2 axb4 38. Rxb4 Rda6 39. Rxb5 Rxa3 40. Re1 Rxc3 41. Rb6 Rb3 42. Rc6 Ra2 43. Nxe6 Be8 44. Rd6 Rf3 45. Nc7+ Kf7 46. Nxe8 Rfxf2+ 1/2-1/2

[Event "NED-chT 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "1"]
[White "Verholt, Gerard"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1/2-1/2"]
[ECO "A92"]
[PlyCount "97"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. g3 Be7 5. Bg2 0-0 6. Nf3 a5 7. 0-0 Na6 8. Bg5 Qe8 9. Bxf6 Bxf6 10. e4 Qh5 11. exf5 Qxf5 12. Qe2 d6 13. Rad1 Bd7 14. Ne1 c6 15. Nc2 Be7 16. Ne3 Qf7 17. f4 Kh8 18. Bh3 Rae8 19. Ng2 c5 20. Ne4 cxd4 21. Rxd4 e5 22. Bxd7 exd4 23. Bxe8 Qxe8 24. Re1 Qc6 25. b3 d5 26. cxd5 Qxd5 27. Nf2 Bb4 28. Rd1 Bc5 29. Nd3 Nb4 30. Nh4 Nxd3 31. Rxd3 Qf7 32. Nf3 Re8 33. Ne5 Qe6 34. Qh5 g6 35. Qf3 b6 36. Kg2 a4 37. Rd2 axb3 38. axb3 g5 39. Qc6 Qxc6+ 40. Nxc6 gxf4 41. gxf4 Re4 42. f5 Rf4 43. b4 Bd6 44. Nxd4 Bxb4 45. Rd3 Kg8 46. Nc6 Kf8 47. Rd5 Rc4 48. Nd4 Kf7 49. Ne6 1/2-1/2

[Event "Haarlem AKN op 01st"]
[Site "Haarlem"]
[Date "1992.??.??"]
[Round "6"]
[White "Burggraaf, Jan Theodoor"]
[Black "Ooteman, Jan"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "42"]
[EventDate "1992.07.??"]
[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. Bg5 Bg7 5. f4 h6 6. Bxf6 Bxf6 7. e5 Bg7 8. Bc4 dxe5 9. dxe5 0-0 10. Qxd8 Rxd8 11. Nd5 Nc6 12. 0-0-0 Bf5 13. Ne2 Be4 14. Ndc3 Bxg2 15. Rxd8+ Rxd8 16. Rg1 Bf3 17. e6 fxe6 18. Rxg6 Nd4 19. Nxd4 Rxd4 20. Bxe6+ Kf8 21. f5 Rg4 1/2-1/2

[Event "Haarlem ACCOM op"]
[Site "Haarlem"]
[Date "1991.??.??"]
[Round "1"]
[White "Burggraaf, Jan Theodoor"]
[Black "Hildama, K."]
[Result "1-0"]
[ECO "E76"]
[PlyCount "93"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c5 7. d5 e6 8. dxe6 Bxe6 9. Bd3 Nc6 10. 0-0 Nb4 11. f5 Bd7 12. Bb1 Bc6 13. a3 Na6 14. Bg5 Nc7 15. Qd2 Qd7 16. Bc2 Rfe8 17. Rae1 Ng4 18. h3 Ne5 19. f6 Bh8 20. Nxe5 Rxe5 21. Nd5 Bxd5 22. cxd5 Nb5 23. Ba4 a6 24. Bf4 Ree8 25. e5 dxe5 26. Rxe5 Bxf6 27. Rxe8+ Rxe8 28. d6 Bd4+ 29. Kh1 Qe6 30. Rd1 Rd8 31. Re1 Qf5 32. Bc2 Qc8 33. Ba4 Qf5 34. Bc2 Qc8 35. Ba4 Qf5 36. Qa5 Qf6 37. Bxb5 axb5 38. Bg3 Kg7 39. Qxb5 b6 40. Rf1 Qg5 41. Bf4 Qh4 42. Qxb6 Re8 43. Qa5 g5 44. d7 Rb8 45. d8Q Rxd8 46. Qxd8 gxf4 47. Qxh4 1-0

[Event "Haarlem ACCOM op"]
[Site "Haarlem"]
[Date "1991.??.??"]
[Round "7"]
[White "Burggraaf, Jan Theodoor"]
[Black "Knoppert, Erik"]
[Result "0-1"]
[ECO "D10"]
[BlackElo "2325"]
[PlyCount "60"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 Nbd7 5. cxd5 cxd5 6. Bd3 e5 7. Bb5 e4 8. Qb3 a6 9. Bxd7+ Qxd7 10. Nge2 b5 11. Bd2 Be7 12. h3 0-0 13. g4 Bb7 14. Ng3 Rfd8 15. Nf5 Bf8 16. Ne2 a5 17. Neg3 g6 18. g5 Ne8 19. Nh6+ Bxh6 20. gxh6 Nd6 21. 0-0-0 b4 22. Rdg1 Nc4 23. Qd1 Rdc8 24. Kb1 Ba6 25. Nh5 Kh8 26. Nf4 f6 27. h4 Ra7 28. Bc1 Rac7 29. Qg4 Na3+ 30. bxa3 Rxc1+ 0-1

[Event "Haarlem ACCOM op"]
[Site "Haarlem"]
[Date "1991.??.??"]
[Round "6"]
[White "Burggraaf, Jan Theodoor"]
[Black "Seewald, Pieter C"]
[Result "1-0"]
[ECO "E60"]
[PlyCount "77"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 d6 4. Bg5 Bg7 5. Nc3 c5 6. d5 Na6 7. e4 Nc7 8. Bd3 a6 9. a4 Bd7 10. a5 Rb8 11. Na4 Na8 12. e5 dxe5 13. Nxc5 Qc7 14. Be3 0-0 15. Ne2 Bc8 16. 0-0 Nd7 17. Nb3 b6 18. axb6 Naxb6 19. Na5 e6 20. dxe6 fxe6 21. Nc3 Nc5 22. Ne4 Nbd7 23. Rf2 Nxe4 24. Bxe4 Nc5 25. Qc2 Bd7 26. Bd2 Nxe4 27. fxe4 Rxf2 28. Kxf2 Qb6+ 29. c5 Qxb2 30. Qxb2 Rxb2 31. Ke1 Rc2 32. Be3 Bb5 33. Kd1 Rxg2 34. c6 Rxh2 35. c7 Bd7 36. Ra3 Kf7 37. Nc6 Rb2 38. Rd3 Ke8 39. Nb8 1-0

[Event "Haarlem ACCOM op"]
[Site "Haarlem"]
[Date "1991.??.??"]
[Round "3"]
[White "Burggraaf, Jan Theodoor"]
[Black "Van Eeten, D."]
[Result "1-0"]
[ECO "B90"]
[PlyCount "33"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 b5 7. a4 b4 8. Nd5 Bb7 9. Nxf6+ gxf6 10. Qd2 Bxe4 11. Qxb4 Nc6 12. Qb7 Nxd4 13. Qxe4 Qa5+ 14. c3 Rb8 15. Bxd4 d5 16. Qe2 Qc7 17. Bxf6 1-0

[Event "Haarlem ACCOM op"]
[Site "Haarlem"]
[Date "1991.??.??"]
[Round "2"]
[White "Overeem, Marc"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1-0"]
[ECO "E94"]
[PlyCount "91"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. Nf3 g6 4. d4 Nd7 5. e4 Ngf6 6. Be2 exd4 7. Nxd4 Bg7 8. 0-0 0-0 9. Be3 Re8 10. f3 a6 11. Qd2 Nf8 12. Rfd1 Bd7 13. Rac1 Qb8 14. Nd5 Ne6 15. Nxe6 fxe6 16. Nxf6+ Bxf6 17. c5 d5 18. Bd4 e5 19. Bf2 d4 20. f4 Qd8 21. fxe5 Bg5 22. Qxd4 Bxc1 23. Bc4+ Be6 24. Bxe6+ Kg7 25. Bd7 Bg5 26. Bxe8 Qxd4 27. Rxd4 Rxe8 28. Rb4 Bf4 29. Rxb7 Bxe5 30. Bg3 Bxg3 31. hxg3 Rxe4 32. Rxc7+ Kf6 33. Rc6+ Ke5 34. Rxa6 Rc4 35. Ra7 h5 36. Rg7 Rxc5 37. Rxg6 Rc1+ 38. Kh2 Rb1 39. Rb6 Kd4 40. a4 Kc5 41. Rb5+ Kc4 42. g4 hxg4 43. Kg3 Rg1 44. Rb7 Kc5 45. b4+ Kc6 46. Rg7 1-0

[Event "Haarlem ACCOM op"]
[Site "Haarlem"]
[Date "1991.??.??"]
[Round "4"]
[White "Piersma, Jan"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "E80"]
[PlyCount "70"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. f3 0-0 7. Bd3 e6 8. Nge2 exd5 9. exd5 a6 10. a4 b6 11. 0-0 Ne8 12. Bf4 f5 13. Qd2 Ra7 14. Bg5 Bf6 15. Bxf6 Qxf6 16. Rfe1 g5 17. f4 g4 18. Ng3 Ng7 19. Re2 h5 20. Rae1 h4 21. Nf1 Nh5 22. g3 Rh7 23. Kg2 hxg3 24. hxg3 Qh6 25. Qe3 Ng7 26. Qg1 Nd7 27. Kf2 Nh5 28. Ke3 Ne5 29. Nh2 Nxf4 30. gxf4 Qh3+ 31. Kd2 Qxd3+ 32. Kc1 Nxc4 33. Qg2 Rh3 34. Rd1 Qg3 35. Qxg3 Rxg3 0-1

[Event "Alkmaar ACCOM op"]
[Site "Alkmaar"]
[Date "1989.??.??"]
[Round "1"]
[White "Burggraaf, Jan Theodoor"]
[Black "Ariese, Ruud"]
[Result "1-0"]
[ECO "B50"]
[PlyCount "49"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 d6 2. e4 c5 3. c3 Nf6 4. h3 e5 5. Be2 Be7 6. 0-0 Nc6 7. d4 a6 8. d5 Na7 9. Qd3 h6 10. b4 cxb4 11. cxb4 Bd7 12. a4 b5 13. a5 Qc7 14. Na3 0-0 15. Be3 Rfc8 16. Rac1 Qb7 17. Rfd1 Re8 18. Nh2 Bf8 19. g4 g5 20. f3 Rac8 21. Qd2 Nh7 22. Bd3 f6 23. Nb1 Be7 24. Qf2 Nf8 25. Bxa7 1-0

[Event "Alkmaar ACCOM op"]
[Site "Alkmaar"]
[Date "1989.??.??"]
[Round "4"]
[White "Burggraaf, Jan Theodoor"]
[Black "Smorenberg, Jeroen"]
[Result "0-1"]
[ECO "D05"]
[PlyCount "114"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 Nf6 3. Bb2 b6 4. d4 d5 5. e3 Nbd7 6. Nbd2 e6 7. Bd3 Bb7 8. 0-0 Be7 9. Ne5 0-0 10. Qe2 Rc8 11. Rad1 Qc7 12. f4 Bd6 13. Nxd7 Nxd7 14. dxc5 Nxc5 15. Bxh7+ Kxh7 16. Qh5+ Kg8 17. Bxg7 f6 18. Bxf8 Bxf8 19. b4 Na6 20. Qg4+ Kf7 21. f5 e5 22. Qg6+ Ke7 23. b5 Nc5 24. c4 Qd7 25. Qh7+ Ke8 26. Qxd7+ Nxd7 27. cxd5 Bxd5 28. Nb3 Be4 29. Rc1 Nc5 30. g4 Bh6 31. Rc3 Rd8 32. Nxc5 bxc5 33. h4 Rd3 34. Rxd3 Bxd3 35. Re1 c4 36. Kf2 c3 37. a4 c2 38. Rc1 Kd7 39. a5 Kc8 40. g5 fxg5 41. f6 gxh4 42. f7 Bf8 43. Kf3 Kd7 44. a6 Kc7 45. e4 Bc5 46. Kg4 Bxe4 47. Kxh4 Kb6 48. Kg5 Be7+ 49. Kh6 Bf8+ 50. Kg5 Bg7 51. Kh5 Kxb5 52. Re1 Kxa6 53. Rg1 Bf8 54. Kg5 Be7+ 55. Kh6 Bf3 56. Rc1 Bd1 57. Kg7 e4 0-1

[Event "Alkmaar ACCOM op"]
[Site "Alkmaar"]
[Date "1989.??.??"]
[Round "6"]
[White "Burggraaf, Jan Theodoor"]
[Black "Spaan, Hein"]
[Result "1/2-1/2"]
[ECO "B20"]
[PlyCount "54"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 d6 3. Bb2 e5 4. e4 f5 5. Bb5+ Nc6 6. exf5 Bxf5 7. 0-0 Nf6 8. Nh4 Be6 9. f4 Nd7 10. Bxc6 bxc6 11. Nf3 Qc7 12. fxe5 dxe5 13. Nxe5 Nxe5 14. Re1 Bd6 15. Bxe5 0-0 16. Qe2 Rae8 17. Bxd6 Qxd6 18. Nc3 Bxb3 19. Qxe8 Rxe8 20. Rxe8+ Kf7 21. Re3 Bxc2 22. Rf1+ Kg6 23. Rg3+ Kh6 24. Rh3+ Kg6 25. Ne2 h6 26. d3 Kh7 27. Nf4 c4 1/2-1/2

[Event "Alkmaar ACCOM op"]
[Site "Alkmaar"]
[Date "1989.??.??"]
[Round "5"]
[White "Knoppert, Erik"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2300"]
[PlyCount "43"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 c5 3. d5 d6 4. Nc3 h6 5. Bxf6 gxf6 6. e4 f5 7. Bb5+ Bd7 8. exf5 Bxb5 9. Nxb5 Qa5+ 10. Nc3 Bg7 11. Nge2 Nd7 12. 0-0 0-0-0 13. Qd3 Kb8 14. a3 Ne5 15. Qe4 e6 16. fxe6 fxe6 17. dxe6 Nc6 18. e7 Rde8 19. Nd5 Nxe7 20. Nxe7 Qd8 21. Nc6+ bxc6 22. Qxc6 1-0

[Event "Alkmaar ACCOM op"]
[Site "Alkmaar"]
[Date "1989.??.??"]
[Round "2"]
[White "Van Beusekom, Leo"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "126"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Bg7 3. e4 d6 4. h3 Nd7 5. Be3 a6 6. Bd3 b6 7. 0-0 Bb7 8. Re1 Ngf6 9. Nbd2 0-0 10. c4 c5 11. d5 Ne8 12. Qc2 Nc7 13. Rab1 a5 14. a3 a4 15. Nf1 Qb8 16. N3h2 Ba6 17. f4 b5 18. b3 Qa7 19. Nf3 axb3 20. Rxb3 bxc4 21. Bxc4 Bxc4 22. Qxc4 Nb6 23. Qc2 Qa6 24. Reb1 Nc4 25. Bc1 Qa4 26. Ne3 Nxe3 27. Bxe3 c4 28. Rc3 Bxc3 29. Qxc3 Nb5 30. Qb2 Qxa3 31. Bd4 Qxb2 32. Rxb2 Ra1+ 33. Kf2 Nxd4 34. Nxd4 Rfa8 35. Rc2 R8a2 36. Ke2 e5 37. dxe6 fxe6 38. Kd2 Rxc2+ 39. Nxc2 Ra2 40. Kc3 d5 41. exd5 exd5 42. Nb4 Rxg2 43. Nxd5 Rg3+ 44. Kxc4 Rxh3 45. Kd4 Rh1 46. Ke3 Kf7 47. Kf2 Ra1 48. Kf3 Ke6 49. Ne3 Ra3 50. Ke4 Rxe3+ 51. Kxe3 Kf5 52. Kf3 h5 53. Ke3 Kg4 54. f5 gxf5 55. Kf2 Kf4 56. Kg2 Ke3 57. Kf1 Kf3 58. Kg1 f4 59. Kf1 h4 60. Kg1 Ke2 61. Kg2 f3+ 62. Kh3 f2 63. Kh2 Kf3 0-1

[Event "Alkmaar ACCOM op"]
[Site "Alkmaar"]
[Date "1989.??.??"]
[Round "3"]
[White "Van Scheltinga, Theo D"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1/2-1/2"]
[ECO "A87"]
[WhiteElo "2320"]
[PlyCount "72"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 f5 2. c4 Nf6 3. g3 g6 4. b3 d6 5. d4 Bg7 6. Bb2 0-0 7. Bg2 c6 8. 0-0 Na6 9. Nbd2 Ne4 10. a3 Qe8 11. Nxe4 fxe4 12. Nd2 d5 13. b4 Be6 14. Rc1 b5 15. cxb5 cxb5 16. Nb3 Qd7 17. f4 Rfc8 18. Qd2 Bh3 19. Nc5 Nxc5 20. Bxh3 Qxh3 21. dxc5 Bxb2 22. Qxb2 Qd7 23. Qe5 e6 24. g4 Rc6 25. Rcd1 Qc7 26. Qxc7 Rxc7 27. f5 gxf5 28. gxf5 Kf7 29. Rf4 Rg8+ 30. Kf2 Kf6 31. fxe6+ Kxe6 32. Ke3 Ke5 33. Rdf1 d4+ 34. Kd2 Rg2 35. Rf5+ Ke6 36. Rh5 d3 1/2-1/2

[Event "Haarlem ACCOM op"]
[Site "Haarlem"]
[Date "1988.??.??"]
[Round "3"]
[White "Burggraaf, Jan Theodoor"]
[Black "Van Scheltinga, Theo D"]
[Result "0-1"]
[ECO "B40"]
[BlackElo "2300"]
[PlyCount "38"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. b3 Nc6 4. Bb2 Nf6 5. e5 Nd5 6. c4 Nf4 7. g3 Ng6 8. Qe2 Be7 9. Nc3 f6 10. 0-0-0 fxe5 11. h4 d6 12. h5 Nf8 13. Bh3 Bd7 14. Rhe1 Qa5 15. Nb5 a6 16. Nxd6+ Bxd6 17. Nxe5 Bxe5 18. Bxe5 Qxa2 19. Bxg7 Na5 0-1

[Event "Haarlem ACCOM op"]
[Site "Haarlem"]
[Date "1988.??.??"]
[Round "2"]
[White "Janssen, Erik"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "C24"]
[PlyCount "72"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Bc5 5. 0-0 d6 6. c3 d3 7. Qxd3 0-0 8. Bg5 Nbd7 9. Nbd2 a5 10. a4 Re8 11. Bb3 Nf8 12. e5 dxe5 13. Qc4 Qe7 14. Ne4 Bd6 15. Bxf6 gxf6 16. Nxd6 cxd6 17. Bc2 Ng6 18. Rad1 Be6 19. Qb5 Rac8 20. Rfe1 Nf4 21. Re4 Rc5 22. Qf1 f5 23. Rxf4 exf4 24. Rd4 Bd5 25. Rxf4 Bxf3 26. gxf3 Qg5+ 27. Qg2 Qxg2+ 28. Kxg2 b5 29. Bxf5 bxa4 30. Be4 Ra8 31. c4 d5 32. Kh1 Rb5 33. h3 f6 34. Bc2 dxc4 35. b3 Rb4 36. Rd4 a3 0-1

[Event "Haarlem ACCOM op"]
[Site "Haarlem"]
[Date "1988.??.??"]
[Round "5"]
[White "Rijnbergen, Michel"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "C16"]
[PlyCount "72"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7 5. a3 Bf8 6. Nf3 b6 7. b4 h6 8. h4 a5 9. b5 Bb7 10. Rb1 Qe7 11. h5 Nd7 12. Nh4 0-0-0 13. Bd3 Re8 14. Qf3 Kb8 15. Bg6 Ngf6 16. exf6 gxf6 17. 0-0 fxg6 18. Nxg6 Qg7 19. Nxh8 Qxh8 20. Re1 Bd6 21. Ne2 e5 22. Ng3 e4 23. Qe3 Bxg3 24. Qxg3 Rg8 25. Qh2 Nf8 26. Bf4 Ne6 27. c3 Qg7 28. Bg3 Qf7 29. Bf4 Bc8 30. Re3 Rg5 31. Bg3 f5 32. f4 Qe7 33. Kf2 Qxa3 34. Rbe1 Qb2+ 35. R1e2 Qxb5 36. Ra2 Ba6 0-1

[Event "NED Open-ch08 Reinbouw"]
[Site "Velp"]
[Date "1977.08.03"]
[Round "6"]
[White "Boersma, Jan"]
[Black "Burggraaf, Jan Theodoor"]
[Result "1-0"]
[ECO "B34"]
[PlyCount "53"]
[EventDate "1977.07.28"]
[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. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Nb3 b6 7. Be2 Bb7 8. 0-0 Nf6 9. Bg5 Rc8 10. f4 d6 11. Bf3 Nd7 12. Rb1 h6 13. Bh4 g5 14. fxg5 hxg5 15. Bxg5 Bxc3 16. bxc3 Nce5 17. Nd4 Nxf3+ 18. Qxf3 Ne5 19. Qe2 Rxc3 20. Nf5 f6 21. Bf4 Qc8 22. Bxe5 dxe5 23. Rbd1 Ba6 24. Qg4 Qc5+ 25. Kh1 Bc4 26. Qg6+ Bf7 27. Ng7+ 1-0

[Event "NED Open-ch08 Reinbouw"]
[Site "Velp"]
[Date "1977.08.01"]
[Round "5"]
[White "Burggraaf, Jan Theodoor"]
[Black "Gruen, Gerd Peter"]
[Result "1/2-1/2"]
[ECO "B03"]
[PlyCount "71"]
[EventDate "1977.07.28"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. Bc4 Nb6 5. Bb3 Nc6 6. e6 fxe6 7. Nf3 e5 8. dxe5 d5 9. Nc3 Bg4 10. Bxd5 Nxd5 11. Qxd5 Qxd5 12. Nxd5 0-0-0 13. Ne3 Bxf3 14. gxf3 Nxe5 15. Ke2 e6 16. f4 Nc6 17. c3 g6 18. h4 h5 19. Rg1 Ne7 20. Nc4 Bg7 21. Ne5 Bxe5 22. fxe5 Rd5 23. Bg5 Rxe5+ 24. Kf1 Re8 25. Bxe7 Rxe7 26. Rxg6 Rf7 27. Rd1 b6 28. Rd2 Rf4 29. Rg8+ Kb7 30. Rg5 Rxg5 31. hxg5 Kc8 32. Rd4 Rf5 33. g6 Rg5 34. Rh4 Kd7 35. g7 Rxg7 36. Rxh5 1/2-1/2

