[Event "Vlissingen HZ op 23rd"]
[Site "Vlissingen"]
[Date "2019.08.04"]
[Round "2"]
[White "Welten, Hans"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1887"]
[BlackElo "1660"]
[PlyCount "93"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Nbd7 5. h3 e6 6. Bf4 Be7 7. e3 a6 8. Qc2 dxc4 9. Bxc4 b5 10. Bd3 Bb7 11. 0-0 c5 12. dxc5 Nxc5 13. Be2 0-0 14. Rfd1 Qb6 15. b4 Nce4 16. Nxe4 Bxe4 17. Qb2 Nd5 18. Be5 f6 19. Bd4 Qb7 20. Nd2 Bg6 21. Bf3 e5 22. Bc5 Bxc5 23. Ne4 Bf7 24. Nxc5 Qc6 25. Rac1 Rfe8 26. Be4 f5 27. Bxf5 Nf6 28. Ne4 Bc4 29. Nd6 Re7 30. Nxc4 bxc4 31. Qc3 g6 32. Bd3 Kg7 33. Qxc4 Qxc4 34. Bxc4 Rc7 35. Be2 Rb7 36. a3 a5 37. b5 Rab8 38. a4 e4 39. Rc6 Nd7 40. Rdc1 Nb6 41. Bd1 Nd5 42. Bb3 Nb4 43. Rc7+ Kh6 44. Rxb7 Rxb7 45. Rc8 Nd3 46. Bd5 Re7 47. b6 1-0

[Event "Vlissingen HZ op 23rd"]
[Site "Vlissingen"]
[Date "2019.08.03"]
[Round "1"]
[White "Jonkheer, Alex"]
[Black "Rosmuller, Anton J"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1660"]
[BlackElo "2073"]
[PlyCount "50"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 h6 5. Bh4 d6 6. e4 g5 7. Bg3 Nh5 8. c3 Nd7 9. Bc4 e6 10. Qe2 Qe7 11. 0-0 Nxg3 12. fxg3 0-0 13. Ne1 c5 14. dxc5 Nxc5 15. Nd3 b6 16. Nxc5 bxc5 17. Rad1 Rb8 18. Bb3 a5 19. Nc4 Ba6 20. Rfe1 Rfd8 21. Ba4 Qc7 22. Bc2 Rxb2 23. e5 Rxc2 24. Qxc2 Bxc4 25. Qa4 d5 0-1

[Event "Vlissingen HZ op 22nd"]
[Site "Vlissingen"]
[Date "2018.08.04"]
[Round "1"]
[White "De Boer, Eelke"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "2292"]
[BlackElo "1712"]
[PlyCount "85"]
[EventDate "2018.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Nf3 c5 9. Qd2 cxd4 10. Nxd4 Nc6 11. 0-0-0 Nxd4 12. Qxd4 Qc5 13. Qd2 b5 14. Kb1 Bb7 15. Ne4 Qc7 16. Nd6+ Ke7 17. Qb4 a5 18. Nf5+ Kd8 19. Qe7+ Kc8 20. Nd6+ Kb8 21. Bxb5 Bc6 22. Rd3 Nb6 23. Qxc7+ Kxc7 24. Rc3 Nc4 25. Nxc4 Bxb5 26. Nd6+ Bc6 27. Nxf7 Rhe8 28. Ng5 h6 29. Nf3 Kd7 30. Nd4 Rec8 31. Rg3 Rg8 32. Rg6 Rae8 33. f5 Bb7 34. Nxe6 Re7 35. Nc5+ Kc7 36. Nxb7 Kxb7 37. e6 Rf8 38. Rf1 Rf6 39. Rxf6 gxf6 40. Kc1 Kc6 41. Kd2 Kd6 42. Re1 Kc5 43. Kd3 1-0

[Event "Vlissingen HZ op 18th"]
[Site "Vlissingen"]
[Date "2014.08.02"]
[Round "1"]
[White "Van den Berg, Ad"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2235"]
[BlackElo "1800"]
[PlyCount "47"]
[EventDate "2014.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4 a6 9. Qd2 Nxd4 10. Bxd4 Qc7 11. 0-0-0 Nb6 12. Qf2 Nc4 13. Bd3 Bd7 14. Rhe1 Rc8 15. f5 Qa5 16. fxe6 Bxe6 17. Bxc4 Rxc4 18. Bb6 Qb4 19. a3 Qe7 20. Nxd5 Qg5+ 21. Kb1 Bxd5 22. Rxd5 Rf4 23. Qd2 Be7 24. Be3 1-0

[Event "Ghent Taminco op 35th"]
[Site "Ghent"]
[Date "2012.07.14"]
[Round "1"]
[White "Jonkheer, Alex"]
[Black "Karasik, Evgeni"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1800"]
[BlackElo "2279"]
[PlyCount "72"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 g6 4. Be2 Bg7 5. Nbd2 d6 6. 0-0 0-0 7. c4 cxd4 8. Nxd4 Nc6 9. Nxc6 bxc6 10. Nb3 Nd7 11. f3 Qb6 12. Kh1 c5 13. Rb1 Ne5 14. e4 Ba6 15. Qc2 Nc6 16. Bd2 Rfc8 17. Bc3 Nb4 18. Bxb4 cxb4 19. Nd2 Bh6 20. f4 Bb7 21. Qd3 Qc5 22. Rbd1 a5 23. Nb3 Qb6 24. f5 Qe3 25. fxg6 hxg6 26. Qxe3 Bxe3 27. Bd3 a4 28. Nc1 Bd4 29. b3 Be5 30. Ne2 axb3 31. axb3 Ra3 32. Rb1 Kg7 33. Kg1 Rh8 34. g3 Ra2 35. Rf2 Rd2 36. Rf3 f5 0-1

[Event "Vlissingen HZ op 15th"]
[Site "Vlissingen"]
[Date "2011.07.30"]
[Round "1"]
[White "Bus, Tom"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2237"]
[BlackElo "1843"]
[PlyCount "35"]
[EventDate "2011.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nf6 3. Bg2 Nc6 4. Nf3 e6 5. 0-0 d5 6. cxd5 exd5 7. d4 Be7 8. dxc5 Bxc5 9. Bg5 Be6 10. Nc3 Ne7 11. Bxf6 gxf6 12. Rc1 Bb6 13. Nd4 Nc6 14. Nxc6 bxc6 15. Qa4 Qd7 16. Rfd1 Rc8 17. Nxd5 Bxd5 18. Bxd5 1-0

[Event "Ghent Taminco op 34th"]
[Site "Ghent"]
[Date "2011.07.16"]
[Round "1"]
[White "Rijnaarts, Sjef"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2302"]
[BlackElo "1843"]
[PlyCount "39"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 cxd4 7. Nxd4 Nc6 8. Be3 a6 9. Qd2 Nxd4 10. Bxd4 f6 11. exf6 Nxf6 12. 0-0-0 Bd6 13. g3 Qc7 14. Bg2 0-0 15. Rhe1 Bd7 16. Bxf6 Rxf6 17. Bxd5 exd5 18. Nxd5 Qc4 19. Nxf6+ gxf6 20. Qxd6 1-0

[Event "Vlissingen HZ op 14th"]
[Site "Vlissingen"]
[Date "2010.08.07"]
[Round "1"]
[White "Provoost, Simon"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2255"]
[BlackElo "1859"]
[PlyCount "33"]
[EventDate "2010.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Nbd7 5. e3 e6 6. Bd3 Be7 7. 0-0 b6 8. b3 Bb7 9. Bb2 a6 10. Qe2 0-0 11. Rac1 c5 12. Rfd1 Qc7 13. cxd5 Nxd5 14. dxc5 bxc5 15. Bb1 Nxc3 16. Bxc3 Bf6 17. Qd3 1-0

[Event "Ghent Taminco op 33rd"]
[Site "Ghent"]
[Date "2010.07.17"]
[Round "1"]
[White "Jonkheer, Alex"]
[Black "Freeke, Matthieu"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "1859"]
[BlackElo "2315"]
[PlyCount "42"]
[EventDate "2010.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. Nc3 Bb4 5. a3 Bxc3+ 6. bxc3 Ba6 7. e3 Nc6 8. Bd3 Na5 9. Qa4 0-0 10. e4 d5 11. exd5 exd5 12. Ne5 Qe8 13. Qxe8 Rfxe8 14. 0-0 Bxc4 15. Rd1 Bxd3 16. Rxd3 Nc4 17. Bf4 Nh5 18. Bg3 Nxg3 19. Nxc4 Ne2+ 20. Kf1 dxc4 21. Rf3 g5 0-1

[Event "Gravenpolder Seniors op"]
[Site "Gravenpolder"]
[Date "2009.09.12"]
[Round "9"]
[White "Negrijn, Freek"]
[Black "Jonkheer, Alex"]
[Result "0-1"]
[ECO "E81"]
[BlackElo "1895"]
[PlyCount "86"]
[EventDate "2009.09.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 c6 6. Be3 Nbd7 7. Qd2 0-0 8. Bd3 e5 9. d5 c5 10. Nge2 a6 11. g4 Ne8 12. Ng3 Qh4 13. 0-0-0 Qe7 14. Kb1 Ndf6 15. h4 Qc7 16. h5 Qa5 17. hxg6 fxg6 18. Bh6 Rf7 19. Bxg7 Rxg7 20. Nce2 Qc7 21. Nc3 Nd7 22. a4 Nf8 23. Kc2 Bd7 24. Nf1 b6 25. Ne3 Qb7 26. Ra1 Nc7 27. g5 Rb8 28. Ng4 Bxg4 29. fxg4 Qc8 30. Qe2 Qe8 31. Qd2 Nd7 32. Rhf1 Qe7 33. Rf3 Rf8 34. Rxf8+ Qxf8 35. Rf1 Rf7 36. Rxf7 Qxf7 37. Be2 Kg7 38. b3 Qf4 39. Bd1 Qxd2+ 40. Kxd2 h6 41. gxh6+ Kxh6 42. Ke3 Kg5 43. Kf3 Kh4 0-1

[Event "Gravenpolder Seniors op"]
[Site "Gravenpolder"]
[Date "2009.09.11"]
[Round "7"]
[White "Jonkheer, Alex"]
[Black "De Bock, Martin"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1895"]
[PlyCount "117"]
[EventDate "2009.09.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. Nf3 e6 4. e3 Bd6 5. Bg5 Be7 6. c4 c6 7. Nc3 h6 8. Bh4 a6 9. Bd3 dxc4 10. Bxc4 b5 11. Bd3 Bb7 12. a3 c5 13. dxc5 Bxc5 14. 0-0 Nbd7 15. Qe2 Qc7 16. Rfd1 0-0 17. Rac1 Rac8 18. Nxb5 axb5 19. b4 Bxf3 20. gxf3 g5 21. Bg3 Qa7 22. bxc5 Qxa3 23. c6 Nb6 24. Bxb5 Nbd5 25. Qc2 Nh5 26. Ra1 Qc3 27. Rdc1 Qxc2 28. Rxc2 Nxg3 29. hxg3 Rc7 30. Rca2 Nc3 31. Ra5 Nxb5 32. Rxb5 Rxc6 33. Rb7 Kg7 34. Raa7 Rc1+ 35. Kg2 h5 36. Ra5 Kg6 37. Rbb5 f6 38. Rb6 Re8 39. Raa6 Kf7 40. Rb7+ Re7 41. Rb8 Rcc7 42. Raa8 Kg6 43. Rb6 Kg7 44. f4 gxf4 45. exf4 Rb7 46. Rba6 Kg6 47. Rg8+ Kf5 48. Ra5+ e5 49. fxe5 Rxe5 50. Ra3 Rh7 51. Rf3+ Ke6 52. Rf4 Rg5 53. Ra8 Rh6 54. Rb4 h4 55. Rb7 hxg3 56. fxg3 Rhg6 57. Ra6+ Kf5 58. Rb5+ Kg4 59. Ra4+ 1-0

[Event "Gravenpolder Seniors op"]
[Site "Gravenpolder"]
[Date "2009.09.11"]
[Round "8"]
[White "Van der Borgt, Peter"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2059"]
[BlackElo "1895"]
[PlyCount "83"]
[EventDate "2009.09.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bg4 5. h3 Bh5 6. Qe2+ Qe7 7. Be3 Nf6 8. Nc3 c6 9. g4 Bg6 10. Ne5 Nbd7 11. Bg2 Nxe5 12. dxe5 Ne4 13. Nxe4 Bxe4 14. Bxe4 dxe4 15. 0-0-0 Rd8 16. Kb1 Rxd1+ 17. Rxd1 Qxe5 18. Bxa7 Bc5 19. f4 Qe7 20. Bxc5 Qxc5 21. Qxe4+ Qe7 22. Qxe7+ Kxe7 23. a4 Ra8 24. b3 Ra5 25. Rd4 f6 26. Rb4 b5 27. axb5 cxb5 28. c4 bxc4 29. Rxc4 h5 30. Kc2 Kd6 31. b4 Rb5 32. Kc3 hxg4 33. hxg4 g6 34. Rc8 g5 35. Kc4 Rb7 36. fxg5 fxg5 37. Rg8 Ke5 38. Rxg5+ Kf6 39. Rf5+ Kg6 40. b5 Re7 41. Rd5 Re4+ 42. Rd4 1-0

[Event "Gravenpolder Seniors op"]
[Site "Gravenpolder"]
[Date "2009.09.10"]
[Round "6"]
[White "Jonkheer, Alex"]
[Black "Defour, Rudy"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "1895"]
[BlackElo "1873"]
[PlyCount "67"]
[EventDate "2009.09.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. c4 d5 5. e3 0-0 6. Nc3 Nbd7 7. Bd3 dxc4 8. Bxc4 b6 9. 0-0 Bb7 10. Rc1 Rc8 11. Qe2 Ne4 12. Nxe4 Bxe4 13. Bf4 Bb7 14. Ba6 Bxa6 15. Qxa6 c5 16. Rfd1 Ra8 17. dxc5 Nxc5 18. Qe2 Qe8 19. b4 Ne4 20. Rd4 f5 21. Ne5 g5 22. Bg3 Bf6 23. f4 Bxe5 24. fxe5 Qg6 25. Qd3 Rf7 26. Rd8+ Rxd8 27. Qxd8+ Kg7 28. Rc7 f4 29. exf4 gxf4 30. Bxf4 Qf5 31. g3 Qg4 32. Bh6+ Kxh6 33. Rxf7 Ng5 34. Rf6+ 1-0

[Event "Gravenpolder Seniors op"]
[Site "Gravenpolder"]
[Date "2009.09.09"]
[Round "5"]
[White "Jansen, Cor M"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "A34"]
[BlackElo "1895"]
[PlyCount "65"]
[EventDate "2009.09.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nc6 3. Bg2 Nf6 4. Nc3 d6 5. Nf3 e5 6. 0-0 Be7 7. a3 Bd7 8. Rb1 0-0 9. b4 b6 10. d3 Rb8 11. Bg5 Nd4 12. e3 Ne6 13. Bxf6 Bxf6 14. Nd2 Nc7 15. Qc2 Qc8 16. bxc5 dxc5 17. Nde4 Be7 18. Nd5 Nxd5 19. cxd5 Re8 20. f4 f5 21. Nd2 Bf6 22. Nc4 Qc7 23. d6 Qc8 24. fxe5 Bxe5 25. Bd5+ Kh8 26. Bf7 Bf6 27. Bxe8 Qxe8 28. Rbe1 b5 29. Nd2 Qe5 30. g4 Bg5 31. e4 fxg4 32. Nb3 Rc8 33. Qxc5 1-0

[Event "Gravenpolder Seniors op"]
[Site "Gravenpolder"]
[Date "2009.09.09"]
[Round "4"]
[White "Jonkheer, Alex"]
[Black "Kuijpers, Domien"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1895"]
[PlyCount "109"]
[EventDate "2009.09.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Nbd7 5. c4 c6 6. Nc3 b6 7. cxd5 exd5 8. Be2 Bb7 9. 0-0 Be7 10. Rc1 0-0 11. a3 a5 12. h3 Re8 13. Qd2 Bf8 14. Rfd1 Ne4 15. Nxe4 dxe4 16. Ne5 Nxe5 17. dxe5 h6 18. Qc2 Qe7 19. Qxe4 c5 20. Qf5 Qe6 21. Bg4 Qxf5 22. Bxf5 g6 23. Bd7 Red8 24. e6 fxe6 25. Bc7 Rxd7 26. Rxd7 Bc6 27. Rd8 Rxd8 28. Bxd8 Bg7 29. Rc2 Ba4 30. Rd2 b5 31. Bxa5 c4 32. Rd8+ Kf7 33. Bc3 Bf8 34. Rd7+ Ke8 35. Ra7 Bc2 36. Rb7 Ba4 37. Bg7 Be7 38. Bxh6 c3 39. bxc3 Bxa3 40. Bg7 Bd6 41. f4 Kd8 42. Bd4 Kc8 43. Rf7 Bc2 44. Kf2 Be4 45. g4 Kd8 46. Kg3 Ke8 47. Ra7 Be7 48. h4 Kf8 49. h5 gxh5 50. gxh5 Ke8 51. h6 Kf8 52. Ra6 Kf7 53. Bg7 Bc5 54. Kf2 Bb7 55. Ra5 1-0

[Event "Gravenpolder Seniors op"]
[Site "Gravenpolder"]
[Date "2009.09.08"]
[Round "3"]
[White "Blok, Ronald A"]
[Black "Jonkheer, Alex"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "1895"]
[PlyCount "114"]
[EventDate "2009.09.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 c6 5. Nf3 Bg4 6. Be2 Bd6 7. h3 Bh5 8. 0-0 Ne7 9. Nh2 Bg6 10. Re1 Nd7 11. a3 Qc7 12. Nf3 f6 13. Bd2 0-0 14. Na2 Rae8 15. c4 Nc8 16. cxd5 cxd5 17. Rc1 Qb8 18. Bb4 Bxb4 19. Nxb4 Qd6 20. Qb3 Bf7 21. Bd3 Ncb6 22. Qc2 g6 23. Rxe8 Rxe8 24. Qd2 Kg7 25. Nh2 f5 26. Re1 Rxe1+ 27. Qxe1 Nc4 28. Qc1 Qb6 29. Nf3 Qd6 30. b3 Ncb6 31. Bb5 Nf6 32. Ng5 a6 33. Be2 Qe7 34. Qd2 h6 35. Nxf7 Qxf7 36. f3 Qe7 37. Nd3 Qxa3 38. Qb2 Qxb2 39. Nxb2 Kf7 40. Nd3 Nbd7 41. f4 Ne4 42. Bf3 Ke6 43. b4 g5 44. fxg5 hxg5 45. Bh5 b6 46. Be8 Nef6 47. Bg6 Nf8 48. Ne5 a5 49. Bf7+ Ke7 50. bxa5 bxa5 51. Nc6+ Kxf7 52. Nxa5 Ne6 53. Nb3 Kg6 54. Kf2 Kh5 55. Ke3 Kh4 56. Nc5 f4+ 57. Kf3 Nxd4+ 0-1

[Event "Gravenpolder Seniors op"]
[Site "Gravenpolder"]
[Date "2009.09.08"]
[Round "2"]
[White "Jonkheer, Alex"]
[Black "Clevers, Marc"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1895"]
[PlyCount "62"]
[EventDate "2009.09.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. d4 c6 2. Nf3 d5 3. Bf4 Bf5 4. e3 e6 5. c4 Bb4+ 6. Nbd2 Nf6 7. a3 Bxd2+ 8. Qxd2 Ne4 9. Qb4 Qb6 10. c5 Qxb4+ 11. axb4 Ke7 12. Be2 Nd7 13. 0-0 f6 14. h3 h5 15. Rfd1 g5 16. Bc7 g4 17. Nh4 gxh3 18. Nxf5+ exf5 19. f3 Ng5 20. g3 Ke6 21. Kh2 Nf8 22. b5 cxb5 23. f4 Ne4 24. Bxb5 Rg8 25. Rg1 Nf2 26. Rae1 Ng6 27. Rgf1 Ne4 28. Bd3 h4 29. gxh4 Nxh4 30. Bxe4 fxe4 31. f5+ Kd7 0-1

[Event "Gravenpolder Seniors op"]
[Site "Gravenpolder"]
[Date "2009.09.07"]
[Round "1"]
[White "Van Haaften, Adriaan J"]
[Black "Jonkheer, Alex"]
[Result "1/2-1/2"]
[ECO "C01"]
[BlackElo "1895"]
[PlyCount "71"]
[EventDate "2009.09.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 c5 4. c3 Nc6 5. Ne2 Nf6 6. Nd2 b6 7. 0-0 Bb7 8. Re1 Be7 9. exd5 Qxd5 10. Nf4 Qd7 11. Nf3 cxd4 12. cxd4 0-0-0 13. Bd2 Nxd4 14. Ne5 Qe8 15. b4 Nd7 16. Nc4 Kb8 17. Bc3 Bf6 18. Nd6 Qe7 19. Nxb7 Kxb7 20. Bxd4 Kb8 21. Bxf6 Nxf6 22. Qd2 Qd6 23. Qe3 g5 24. Ne2 Ng4 25. Qxg5 Qxh2+ 26. Kf1 Qh1+ 27. Ng1 h5 28. Ba6 f6 29. Qf4+ e5 30. Qg3 Rd2 31. Re2 Nh2+ 32. Ke1 Qxg1+ 33. Kxd2 Qxa1 34. Qg7 Qxa2+ 35. Kc3 Qa1+ 36. Kc2 1/2-1/2

[Event "Vlissingen HZ op 13th"]
[Site "Vlissingen"]
[Date "2009.08.02"]
[Round "3"]
[White "Jonkheer, Alex"]
[Black "Hekhuis, Jeroen"]
[Result "0-1"]
[ECO "D27"]
[WhiteElo "1941"]
[BlackElo "2145"]
[PlyCount "112"]
[EventDate "2009.08.01"]
[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. d4 d5 2. Nf3 Nf6 3. e3 e6 4. c4 c6 5. Nc3 a6 6. Be2 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. 0-0 c5 10. dxc5 Bxc5 11. Qe2 0-0 12. Rd1 Qb6 13. b3 Nc6 14. Bb2 Nb4 15. Bb1 Rfd8 16. a3 Rxd1+ 17. Nxd1 Nbd5 18. b4 Be7 19. Bd3 Qd8 20. Rc1 Nb6 21. Bd4 Nfd5 22. Qb2 Bf6 23. Qb1 h6 24. Nb2 Bxd4 25. Nxd4 Qg5 26. Nf3 Qf6 27. Nd1 Rd8 28. Be2 Na4 29. Qc2 Rc8 30. Qd2 Rxc1 31. Qxc1 Ndc3 32. Bd3 Nxd1 33. Qxd1 Nb2 34. Qc2 Nxd3 35. Qxd3 Qa1+ 36. Qf1 Qxa3 37. Qb1 Be4 38. Qe1 Kf8 39. Ne5 Bd5 40. h3 a5 41. e4 Bb7 42. Qd1 Kg8 43. bxa5 Qxa5 44. Nxf7 Qc7 45. Nd6 b4 46. e5 Bd5 47. Kh2 b3 48. Qh5 b2 49. Qg6 Ba2 50. Qe8+ Kh7 51. Nf7 Qxf7 52. Qxf7 b1Q 53. g4 Qe4 54. f4 Qe2+ 55. Kg3 Qe1+ 56. Kh2 Qf2+ 0-1

[Event "Vlissingen HZ op 13th"]
[Site "Vlissingen"]
[Date "2009.08.01"]
[Round "1"]
[White "Jonkheer, Alex"]
[Black "Vovk, Andrey"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1941"]
[BlackElo "2506"]
[PlyCount "38"]
[EventDate "2009.08.01"]
[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. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. c4 0-0 5. Nc3 d6 6. e4 h6 7. Bh4 c5 8. Be2 g5 9. Bg3 Qb6 10. dxc5 Qxb2 11. Rc1 dxc5 12. Qc2 Qxc2 13. Rxc2 Nc6 14. e5 Nh5 15. Nd5 Bf5 16. Rc1 e6 17. Ne3 Bg6 18. 0-0 Rad8 19. Rfd1 Nxg3 0-1

[Event "Vlissingen HZ op 11th"]
[Site "Vlissingen"]
[Date "2007.08.04"]
[Round "1"]
[White "Jonkheer, Alex"]
[Black "Dek, Lennart"]
[Result "0-1"]
[ECO "A41"]
[BlackElo "2207"]
[PlyCount "88"]
[EventDate "2007.08.04"]
[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. d4 d6 2. Nf3 Bg4 3. e4 Nf6 4. Bd3 e6 5. Bg5 Be7 6. h3 Bh5 7. Nbd2 c6 8. c3 Nbd7 9. Qc2 e5 10. 0-0 Qc7 11. Rfe1 h6 12. Bh4 g5 13. Bg3 Rg8 14. dxe5 dxe5 15. Be2 Bg6 16. Bf1 Nh5 17. Bh2 Nf4 18. g3 Ne6 19. Nc4 0-0-0 20. Ne3 h5 21. g4 Nf4 22. Bxf4 gxf4 23. Nf5 Bxf5 24. exf5 hxg4 25. Nh2 g3 26. Ng4 Bc5 27. Kg2 Bxf2 28. Re2 Rxg4 29. hxg4 Rh8 30. Rd1 Nf6 31. g5 Nd5 32. Kf3 Ne3 33. Rxe3 Bxe3 34. f6 c5 35. Qf5+ Kb8 36. Bb5 a6 37. Rd7 Qb6 38. Qxe5+ Ka7 39. Ba4 Qxb2 40. Bc6 Rb8 41. Rxf7 g2 42. Qxb8+ Kxb8 43. Rxb7+ Qxb7 44. Bxb7 g1Q 0-1

[Event "Vlissingen HZ op 10th"]
[Site "Vlissingen"]
[Date "2006.08.05"]
[Round "1"]
[White "Lacrosse, Marc"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2225"]
[PlyCount "89"]
[EventDate "2006.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nd7 4. cxd5 exd5 5. Nc3 c6 6. Bg5 Be7 7. Bxe7 Qxe7 8. e3 Ngf6 9. Qc2 Ne4 10. Bd3 f5 11. 0-0 0-0 12. Rab1 b6 13. b4 Bb7 14. a4 Rab8 15. a5 c5 16. bxc5 bxc5 17. Rb2 Nxc3 18. Qxc3 c4 19. Bc2 g6 20. Rfb1 Bc6 21. Rxb8 Rxb8 22. Rxb8+ Nxb8 23. Ne5 Qd6 24. Kf1 Bb5 25. Ke1 Na6 26. Kd2 Nb8 27. Qb2 Qa6 28. Qb4 Nc6 29. Nxc6 Qxc6 30. Kc3 Kf7 31. h4 a6 32. Bd1 Qe6 33. Bf3 Bc6 34. Qb6 Qd6 35. Qb4 Qe6 36. Qc5 f4 37. Kd2 fxe3+ 38. fxe3 Kg7 39. Qa7+ Bd7 40. Qc7 Kf7 41. Qf4+ Ke7 42. Qg5+ Kd6 43. e4 Bc6 44. Qd8+ Qd7 45. e5+ 1-0

[Event "Ghent op 26th"]
[Site "Ghent"]
[Date "2003.07.23"]
[Round "9"]
[White "Jonkheer, Alex"]
[Black "Van Hoecke, Elena"]
[Result "0-1"]
[ECO "C66"]
[PlyCount "82"]
[EventDate "2003.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Nf6 5. Re1 Be7 6. c3 Bg4 7. d4 exd4 8. cxd4 0-0 9. Bxc6 bxc6 10. Nbd2 Re8 11. Nf1 d5 12. e5 Ne4 13. Ng3 Nxg3 14. hxg3 c5 15. Be3 cxd4 16. Qxd4 Bxf3 17. gxf3 c5 18. Qg4 d4 19. Bh6 Bf8 20. Bd2 Qb6 21. b3 Rac8 22. f4 Qg6 23. Qf3 Qc6 24. Qd3 Red8 25. Rac1 a6 26. f3 Qb5 27. Rc4 Rc6 28. Kg2 a5 29. Rh1 h6 30. g4 f6 31. exf6 Rxf6 32. g5 Ra6 33. gxh6 Rxh6 34. Rxh6 gxh6 35. Qg6+ Bg7 36. f5 Qe8 37. Qe6+ Qxe6 38. fxe6 Re8 39. Rxc5 Rxe6 40. Rxa5 Re2+ 41. Kf1 Rxd2 0-1

[Event "PKS op-A"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "?"]
[White "De Graaf, Dick"]
[Black "Jonkheer, Alex"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "2058"]
[PlyCount "112"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[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 Bd7 12. Re1 0-0-0 13. h3 Bb4 14. Bd2 Kb8 15. Bc3 Rc8 16. Qd2 Rhe8 17. a3 Bxc3 18. bxc3 Ka8 19. Reb1 Qc7 20. a4 Na5 21. Ne5 Nc6 22. f4 g6 23. Qb2 Nxe5 24. fxe5 Ng8 25. Ra3 Ne7 26. Rb3 Rb8 27. Qa3 Nc6 28. Rf1 Na5 29. Rbb1 Nc4 30. Qa2 Ne3 31. Rf7 h5 32. Bb5 Rbd8 33. Nf4 g5 34. Nxh5 Rf8 35. Qf2 Rxf7 36. Qxf7 Qxc3 37. Bxd7 Qc2 38. Qf3 Qxb1+ 39. Kf2 Nf5 40. Bxe6 Nxd4 41. Qf6 Nxe6 42. Qxe6 Qc2+ 43. Kg3 Qxa4 44. Qf6 Qh4+ 45. Kh2 Re8 46. Qf7 Rh8 47. Ng3 Qf4 48. Qxd5 g4 49. e6 gxh3 50. e7 hxg2+ 51. Kxg2 Qc7 52. Nf5 Re8 53. Qf7 Qd7 54. Ng7 Qg4+ 55. Kf2 Qd4+ 56. Kf3 Qd3+ 1/2-1/2

[Event "PKS op-A"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "6"]
[White "Jonkheer, Alex"]
[Black "De Graaf, Jacob"]
[Result "1/2-1/2"]
[ECO "E92"]
[PlyCount "52"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. Be3 Nc6 8. a3 a5 9. d5 Ne7 10. b4 axb4 11. axb4 Rxa1 12. Qxa1 c6 13. 0-0 Ng4 14. Bd2 f5 15. h3 Nf6 16. Bd3 f4 17. dxc6 bxc6 18. b5 Nd7 19. bxc6 Nxc6 20. Nd5 Nc5 21. Bc2 Rf7 22. Rb1 Ra7 23. Qc3 Be6 24. Ra1 Qa8 25. Rxa7 Qxa7 26. Bc1 Qa5 1/2-1/2

[Event "PKS op-A"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "?"]
[White "Jonkheer, Alex"]
[Black "De Jager, Jaap"]
[Result "1/2-1/2"]
[ECO "A53"]
[BlackElo "2308"]
[PlyCount "143"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 c5 5. d5 Nb6 6. b3 e5 7. dxe6 Bxe6 8. Bg5 Be7 9. e4 h6 10. Bh4 0-0 11. Bd3 Ng4 12. Bxe7 Qxe7 13. 0-0 Rad8 14. Re1 Ne5 15. Nxe5 dxe5 16. Qe2 Qg5 17. Nd5 Rd7 18. Rad1 Rfd8 19. Nxb6 axb6 20. a4 Ra8 21. Bb1 Rd4 22. Rxd4 cxd4 23. Rd1 Bg4 24. f3 Be6 25. Qd2 Qxd2 26. Rxd2 Rd8 27. Kf2 g5 28. Ke2 Kf8 29. Kd3 f5 30. Kc2 f4 31. Kb2 Ke7 32. Ka3 Kd6 33. Kb4 Kc6 34. Bd3 Ra8 35. Rc2 Ra5 36. Ka3 Bd7 37. b4 Ra8 38. c5 bxc5 39. Rxc5+ Kd6 40. Rd5+ Ke6 41. Bb5 Bc6 42. Bxc6 bxc6 43. Rc5 Kd6 44. Kb3 Rb8 45. Rc2 Rb7 46. Kc4 Ra7 47. Ra2 Ra8 48. a5 Ra6 49. Ra1 Kc7 50. Kc5 Ra8 51. b5 cxb5 52. Kxb5 d3 53. Rd1 Rd8 54. Kc4 Rd4+ 55. Kc3 Ra4 56. Rxd3 Rxa5 57. Kc4 Ra2 58. Kd5 Rxg2 59. Kxe5 Rxh2 60. Kf5 Ra2 61. e5 Ra6 62. e6 h5 63. Kf6 g4 64. fxg4 hxg4 65. Rd4 f3 66. Rxg4 Ra3 67. Rf4 Kd8 68. Kf7 Re3 69. Rf6 Kc7 70. e7 Kd7 71. e8Q+ Rxe8 72. Rxf3 1/2-1/2

[Event "PKS op-A"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "?"]
[White "Jonkheer, Alex"]
[Black "Porte, Henrik"]
[Result "0-1"]
[ECO "E21"]
[PlyCount "48"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. Qc2 Bb7 6. a3 Bxc3+ 7. Qxc3 Ne4 8. Qc2 0-0 9. Bf4 d6 10. e3 f5 11. h4 Nd7 12. Nd2 e5 13. dxe5 dxe5 14. Bg3 Nxg3 15. fxg3 Qf6 16. Nf3 Nc5 17. 0-0-0 Bc6 18. b3 Rad8 19. Rxd8 Rxd8 20. Qc3 Qd6 21. Be2 Ne4 22. Qc2 Qxa3+ 23. Qb2 Qc5 24. Rd1 Qxe3+ 0-1

[Event "PKS op-A"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "5"]
[White "Koedoot, Sebastiaan1"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "80"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c3 Nbd7 4. Qc2 e6 5. Bg5 Be7 6. Nbd2 0-0 7. e3 b6 8. Bb5 Bb7 9. Bf4 a6 10. Bd3 c5 11. Ng5 h6 12. h4 Re8 13. Bh7+ Kf8 14. Nxf7 Kxf7 15. Qg6+ Kf8 16. Bxh6 gxh6 17. Qxh6+ Kf7 18. Bg6+ Kg8 19. Bxe8 Qxe8 20. Rh3 Qh5 21. Rg3+ Kf7 22. Rg7+ Ke8 23. Rg8+ Bf8 24. Rxf8+ Nxf8 25. Qxf6 Qf5 26. Qg7 Qf7 27. Qxf7+ Kxf7 28. g4 Nd7 29. Ke2 e5 30. Nf3 e4 31. Ng5+ Kg6 32. f4 exf3+ 33. Nxf3 Rf8 34. Rf1 Kg7 35. g5 Bc8 36. h5 Rf7 37. h6+ Kh7 38. g6+ Kxg6 39. Nh4+ Kg5 40. Rxf7 Kxh4 1-0

[Event "PKS op-A"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "?"]
[White "Schroevers, R."]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "D43"]
[PlyCount "37"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nf3 Nd7 4. Nc3 Ngf6 5. Qc2 c6 6. a3 a5 7. Bg5 Be7 8. e3 Nf8 9. c5 Ng6 10. Bd3 Nd7 11. h4 Bxg5 12. hxg5 b6 13. cxb6 Qxb6 14. Na4 Qc7 15. Bxg6 fxg6 16. Rxh7 Rxh7 17. Qxg6+ Ke7 18. Qxh7 Kd6 19. Qh2+ 1-0

[Event "PKS op-A"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "?"]
[White "Sinke, Wim"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "D53"]
[PlyCount "67"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Nbd7 5. e3 Be7 6. Nc3 c6 7. Bd3 b6 8. 0-0 0-0 9. Rc1 Bb7 10. a3 c5 11. cxd5 exd5 12. Re1 a6 13. Qc2 c4 14. Bf5 g6 15. Bh3 b5 16. Ne5 Nxe5 17. dxe5 Nh5 18. Bh6 Re8 19. f4 d4 20. exd4 Qxd4+ 21. Qf2 Rad8 22. Rcd1 Qxf2+ 23. Kxf2 Bc5+ 24. Kf1 Ng7 25. Bg5 Rxd1 26. Rxd1 Nf5 27. Bxf5 gxf5 28. Rd7 Bc8 29. Rc7 Bb6 30. Rc6 Bd4 31. Nd5 Bb7 32. Nf6+ Kf8 33. Rc7 Be4 34. Bh6# 1-0

[Event "PKS op-A"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "?"]
[White "Van Wijnen, Wout J"]
[Black "Jonkheer, Alex"]
[Result "1/2-1/2"]
[ECO "A05"]
[PlyCount "48"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c3 d5 3. d3 c6 4. Qc2 Nbd7 5. e4 dxe4 6. dxe4 Qc7 7. Bg5 e6 8. Be2 Be7 9. 0-0 0-0 10. Nbd2 b6 11. Rad1 Bb7 12. Rfe1 h6 13. Bh4 c5 14. Bb5 Bc6 15. Bg3 Qb7 16. Bxc6 Qxc6 17. Ne5 Nxe5 18. Bxe5 b5 19. c4 b4 20. Bxf6 Bxf6 21. e5 Be7 22. Nf3 Rfd8 23. Rxd8+ Rxd8 24. Rd1 Qc7 1/2-1/2

[Event "Vlissingen HZ op 06th"]
[Site "Vlissingen"]
[Date "2002.08.04"]
[Round "1"]
[White "Van Gool, Henk"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "85"]
[EventDate "2002.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Be7 7. Qe2 Nxe4 8. Bxe4 Nf6 9. Bxb7 Bxb7 10. Qb5+ Qd7 11. Qxb7 0-0 12. c3 Bd6 13. Qa6 Nd5 14. 0-0 f6 15. Qd3 Nf4 16. Bxf4 Bxf4 17. Rfe1 Rfe8 18. Qc4 Bd6 19. Re2 Re7 20. Rd1 Rae8 21. Red2 c6 22. g3 Kf8 23. b4 Qb7 24. Qd3 Kg8 25. Re1 Qc7 26. a3 Qd7 27. Red1 Bb8 28. Qe2 Qb7 29. a4 a6 30. Qd3 Rd7 31. Re1 Rde7 32. Rde2 Bd6 33. Qc4 Kf7 34. Nh4 g6 35. f4 Qd7 36. Qxa6 g5 37. fxg5 fxg5 38. Nf3 h6 39. Ne5+ Bxe5 40. Rxe5 Kg7 41. Qe2 Rf7 42. Rxe6 Ref8 43. Re7 1-0

[Event "Vlissingen HZ op 05th"]
[Site "Vlissingen"]
[Date "2001.07.29"]
[Round "3"]
[White "Van Leent, Dmitri"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "C06"]
[PlyCount "65"]
[EventDate "2001.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 083 Extra"]
[Source "ChessBase"]
[SourceDate "2001.09.11"]
[SourceVersion "1"]
[SourceVersionDate "2001.09.11"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 a6 8. 0-0 cxd4 9. cxd4 b6 10. Nf3 Bb7 11. Bg5 Be7 12. Bxe7 Nxe7 13. Rc1 Rc8 14. Qd2 0-0 15. Ng5 g6 16. Nf3 Kg7 17. Nf4 Nc6 18. Bb1 Qe7 19. a3 Na5 20. Ba2 Rfd8 21. h3 Nf8 22. Nh2 f5 23. exf6+ Qxf6 24. Ng4 Qe7 25. Rfe1 Rxc1 26. Qxc1 Qd7 27. Qe3 Nc6 28. Nd3 Qf7 29. Nde5 Qc7 30. Rc1 Nd7 31. Nxc6 Bxc6 32. Qxe6 Nb8 33. Qf6+ 1-0

[Event "Vlissingen HZ op 05th"]
[Site "Vlissingen"]
[Date "2001.07.28"]
[Round "1"]
[White "Timmermans, Ivo"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2185"]
[PlyCount "41"]
[EventDate "2001.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 083 Extra"]
[Source "ChessBase"]
[SourceDate "2001.09.11"]
[SourceVersion "1"]
[SourceVersionDate "2001.09.11"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 a6 6. Nf3 c5 7. Be3 Nc6 8. Qd2 Qa5 9. Be2 cxd4 10. Nxd4 Nxd4 11. Bxd4 Bc5 12. 0-0-0 Bxd4 13. Qxd4 Qc5 14. Qd2 b5 15. Kb1 Bb7 16. Ne4 Qc7 17. Nd6+ Ke7 18. Qb4 a5 19. Nf5+ Kd8 20. Qe7+ Kc8 21. Nd6+ 1-0

[Event "Vlissingen HZ op 04th"]
[Site "Vlissingen"]
[Date "2000.08.05"]
[Round "9"]
[White "Jonkheer, Alex"]
[Black "Welten, Hans"]
[Result "0-1"]
[ECO "D94"]
[PlyCount "38"]
[EventDate "2000.07.29"]
[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. d4 Nf6 2. c4 c5 3. e3 g6 4. Nf3 Bg7 5. Nc3 d5 6. Be2 0-0 7. 0-0 cxd4 8. exd4 Nc6 9. Bf4 Be6 10. Ng5 Bf5 11. g4 Bc8 12. Nb5 a6 13. Nc7 Ra7 14. c5 h6 15. Nf3 Bxg4 16. Ne5 Bxe2 17. Qxe2 Nh5 18. Nxg6 Nxf4 19. Nxe7+ Qxe7 0-1

[Event "Vlissingen HZ op 04th"]
[Site "Vlissingen"]
[Date "2000.08.04"]
[Round "8"]
[White "Hofstra, Hotze Tette"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "D37"]
[PlyCount "83"]
[EventDate "2000.07.29"]
[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. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Nbd7 5. Bf4 c6 6. h3 Be7 7. e3 0-0 8. Bd3 b6 9. 0-0 Bb7 10. a3 a5 11. Ne5 Nxe5 12. dxe5 Ne8 13. cxd5 exd5 14. Qh5 g6 15. Qe2 Ng7 16. Bh6 Bc8 17. e4 d4 18. Nd1 Bg5 19. Bxg7 Kxg7 20. f4 Be7 21. f5 f6 22. exf6+ Bxf6 23. e5 Bg5 24. f6+ Kh8 25. Qe4 Qd5 26. Qe2 Be6 27. b3 Rae8 28. Bc4 Qd7 29. Nb2 Bd5 30. Nd3 Bxf6 31. Qb2 Bxc4 32. bxc4 Bg7 33. Qxb6 Ra8 34. Qb2 Qc7 35. Qxd4 Rad8 36. Rxf8+ Rxf8 37. Qe4 Re8 38. Re1 Re6 39. Kh1 Kg8 40. c5 Kh8 41. Rb1 Kg8 42. Qc4 1-0

[Event "Vlissingen HZ op 04th"]
[Site "Vlissingen"]
[Date "2000.08.03"]
[Round "7"]
[White "Jonkheer, Alex"]
[Black "Henderikse, Bert"]
[Result "1/2-1/2"]
[ECO "D08"]
[PlyCount "57"]
[EventDate "2000.07.29"]
[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. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. a3 Be6 6. e3 dxe3 7. Qxd8+ Rxd8 8. Bxe3 Nge7 9. Nc3 a6 10. Be2 Ng6 11. 0-0 Ngxe5 12. Nxe5 Nxe5 13. b3 Be7 14. Ne4 0-0 15. f3 a5 16. a4 h6 17. Rad1 b6 18. Rxd8 Rxd8 19. Rd1 Rxd1+ 20. Bxd1 Bb4 21. Bc2 g5 22. Bd4 Nd7 23. Kf1 f5 24. Ng3 f4 25. Ne4 Kf7 26. Ke2 Be7 27. Kd2 Nf6 28. Be5 Nxe4+ 29. Bxe4 1/2-1/2

[Event "Vlissingen HZ op 04th"]
[Site "Vlissingen"]
[Date "2000.08.02"]
[Round "6"]
[White "Bettman, Jan"]
[Black "Jonkheer, Alex"]
[Result "0-1"]
[ECO "D46"]
[PlyCount "92"]
[EventDate "2000.07.29"]
[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. a3 d5 2. c4 e6 3. d4 Nf6 4. Nc3 Nbd7 5. Nf3 Be7 6. e3 0-0 7. Bd3 c6 8. 0-0 b6 9. e4 dxe4 10. Nxe4 Bb7 11. Nc3 c5 12. d5 exd5 13. cxd5 Ne8 14. Re1 a6 15. Ne5 Nxe5 16. Rxe5 Bf6 17. f4 Bxe5 18. fxe5 g6 19. Bh6 Ng7 20. Ne4 Bxd5 21. Nf6+ Kh8 22. h4 Be6 23. Be3 Bf5 24. Bc4 Qxd1+ 25. Rxd1 b5 26. Be2 Rfd8 27. Rf1 Rac8 28. Bf3 Rc7 29. Rc1 Rdc8 30. Rd1 Ne8 31. Ne4 Bxe4 32. Bxe4 Re7 33. Rd5 c4 34. Bd4 Nf6 35. e6 Rxe6 36. Bf3 Kg8 37. Rg5 Rd8 38. Ba7 Rd2 39. h5 Ne4 40. Rg4 f5 41. Rf4 Kf7 42. g4 Kf6 43. Be3 Rd3 44. Bc1 Nd2 45. gxf5 gxf5 46. Bg2 Re1+ 0-1

[Event "Vlissingen HZ op 04th"]
[Site "Vlissingen"]
[Date "2000.07.31"]
[Round "4"]
[White "Jonkheer, Alex"]
[Black "Van der Borgt, Peter"]
[Result "0-1"]
[ECO "B14"]
[PlyCount "74"]
[EventDate "2000.07.29"]
[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. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bf4 c5 5. e3 Nc6 6. Nc3 cxd4 7. exd4 Bb4 8. a3 Bxc3+ 9. bxc3 Qa5 10. Qc2 dxc4 11. Bxc4 b5 12. Bd3 Bb7 13. 0-0 a6 14. c4 bxc4 15. Bxc4 Ne7 16. Nd2 0-0 17. Bd6 Qg5 18. f3 Nf5 19. Ne4 Bxe4 20. fxe4 Nxd6 21. e5 Nxc4 22. exf6 Qe3+ 23. Rf2 Qxd4 24. Rd1 Nxa3 25. Rxd4 Nxc2 26. Rxc2 gxf6 27. Rc5 f5 28. g4 fxg4 29. Rxg4+ Kh8 30. Rh4 Kg7 31. Kf2 h6 32. Kf3 Rh8 33. Ke4 Rac8 34. Rg4+ Kf6 35. Rf4+ Ke7 36. Ra5 Rc4+ 37. Ke3 Rxf4 0-1

[Event "Vlissingen HZ op 04th"]
[Site "Vlissingen"]
[Date "2000.07.30"]
[Round "2"]
[White "Jonkheer, Alex"]
[Black "Friesen, Bas"]
[Result "0-1"]
[ECO "D93"]
[PlyCount "94"]
[EventDate "2000.07.29"]
[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. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 c5 6. e3 0-0 7. Bd3 Nc6 8. dxc5 Qa5 9. Nd4 dxc4 10. Bxc4 Ne4 11. Qb3 Nxd4 12. exd4 Bxd4 13. 0-0 Nxc3 14. bxc3 Qxc3 15. Rad1 Qxb3 16. Bxb3 e5 17. Be3 Bg4 18. Rd2 Rfd8 19. Bg5 Rd7 20. h3 Be6 21. Bxe6 fxe6 22. Rfd1 Rc8 23. Be3 Rxc5 24. Bxd4 exd4 25. Rxd4 Rxd4 26. Rxd4 Rc7 27. Rd8+ Kf7 28. Kh2 Ke7 29. Rh8 Kd6 30. Kg3 b5 31. Kf4 a5 32. Ke3 b4 33. Ra8 Rc3+ 34. Kd4 e5+ 35. Ke4 Ra3 36. Ra6+ Kc5 37. Kxe5 Rxa2 38. Ra7 Re2+ 39. Kf4 Kb6 40. Rxh7 Rxf2+ 41. Kg3 Rf8 42. Re7 b3 43. Re3 a4 44. Kg4 b2 45. Re1 a3 46. Rb1 Rf2 47. g3 a2 0-1

[Event "Vlissingen HZ op 04th"]
[Site "Vlissingen"]
[Date "2000.07.30"]
[Round "3"]
[White "Lafeber, Evert"]
[Black "Jonkheer, Alex"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "118"]
[EventDate "2000.07.29"]
[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 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 Nbd7 6. Ne2 c5 7. dxc5 Bxc5 8. b3 Qb6 9. 0-0 0-0 10. Bb2 Ne8 11. Nbc3 Qc7 12. Ne4 Be7 13. Qd4 Ndf6 14. c4 Bd7 15. N2g3 Bc6 16. Nd2 Rd8 17. Qc3 Qb6 18. Bxc6 Qxc6 19. Rad1 Qb6 20. a3 Bc5 21. Nde4 Be7 22. Rxd8 Qxd8 23. Qc2 Qc7 24. Ng5 Qf4 25. Bc1 Qe5 26. Bb2 Qa5 27. Bc1 Qe5 28. Bb2 Qc7 29. f4 Nd6 30. Re1 Rd8 31. Qc3 Nde8 32. f5 Qc5+ 33. Kf1 Ng4 34. Re2 Rd1+ 35. Qe1 Rxe1+ 36. Kxe1 Bf6 37. Bc1 Bc3+ 38. Kd1 Qd4+ 39. Bd2 Ne3+ 40. Ke1 Bxd2+ 41. Rxd2 Qa1+ 42. Ke2 Nxg2 43. Rd8 Kf8 44. fxe6 Nf4+ 45. Kf3 Nxe6 46. Rd5 Qf6+ 47. Rf5 Nd4+ 48. Ke4 Nxf5 49. Nxf5 Nd6+ 50. Nxd6 Qxd6 51. h3 Ke7 52. Kf5 g6+ 53. Kg4 f5+ 54. Kf3 Kf6 55. h4 Ke5 56. Ke3 Qd4+ 57. Ke2 Qc3 58. Kf2 Kf4 59. Kg2 Qg3+ 0-1

[Event "Vlissingen HZ op 04th"]
[Site "Vlissingen"]
[Date "2000.07.29"]
[Round "1"]
[White "Tiggelman, Rene"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2165"]
[PlyCount "89"]
[EventDate "2000.07.29"]
[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. Nf3 Nf6 2. g3 d5 3. c4 c6 4. b3 Bf5 5. Bb2 e6 6. Bg2 Nbd7 7. 0-0 Be7 8. d3 0-0 9. Nbd2 Rc8 10. a3 c5 11. Qc2 Qc7 12. e4 dxe4 13. dxe4 Bg4 14. Rfe1 e5 15. Nf1 Ne8 16. Ne3 Be6 17. Nd5 Bxd5 18. exd5 Bd6 19. Bh3 Nef6 20. Re3 Rce8 21. Rae1 h6 22. Bc3 Re7 23. Nh4 g6 24. Nxg6 fxg6 25. Qxg6+ Kh8 26. Be6 Rg7 27. Qxh6+ Rh7 28. Qg6 Qd8 29. Bxd7 Qxd7 30. Bxe5 Bxe5 31. Rxe5 Qg7 32. Qxg7+ Rxg7 33. f4 Rd7 34. Kg2 Kg7 35. h3 Kf7 36. g4 Re8 37. Re6 Rde7 38. f5 Nd7 39. Kg3 Nf8 40. Rxe7+ Rxe7 41. Rxe7+ Kxe7 42. Kf4 Kd6 43. h4 a6 44. h5 b5 45. h6 1-0

[Event "Vlissingen HZ op 03rd"]
[Site "Vlissingen"]
[Date "1999.08.15"]
[Round "7"]
[White "Jonkheer, Alex"]
[Black "De Wolf, Kees"]
[Result "0-1"]
[ECO "E38"]
[PlyCount "88"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. e3 b6 6. a3 Bxc3+ 7. bxc3 d6 8. Nf3 Nbd7 9. Bd3 h6 10. e4 e5 11. d5 Nf8 12. Be3 Ng6 13. a4 0-0 14. 0-0 Nh5 15. Ne1 Ngf4 16. f3 f5 17. Bxf4 Nxf4 18. Kh1 Rb8 19. Rg1 Nxd3 20. Nxd3 fxe4 21. fxe4 Qh4 22. Rae1 Bd7 23. Nb2 Rf2 24. Re2 Rbf8 25. Nd1 Bxa4 26. Qd2 Bxd1 27. Qxd1 Rxe2 28. Qxe2 Rf2 29. Qe1 Qf4 30. Qb1 Re2 31. Qb5 Qxe4 32. Qd7 Re1 33. h3 Re3 34. Kh2 Qf4+ 35. g3 Qf3 36. Rg2 Qf6 37. Qxa7 Rxc3 38. Qxb6 Rxc4 39. Ra2 Kh7 40. Kg2 Rb4 41. Qa5 e4 42. Qa3 Qd4 43. Qc1 Qxd5 44. Qe3 Qxa2+ 0-1

[Event "Vlissingen HZ op 03rd"]
[Site "Vlissingen"]
[Date "1999.08.14"]
[Round "6"]
[White "De Jager, Jaap"]
[Black "Jonkheer, Alex"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2277"]
[PlyCount "64"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. Nf3 d5 5. e3 c5 6. c4 Nc6 7. Bc3 Bxc3 8. Nxc3 d4 9. Nb5 a6 10. Na3 d3 11. Qb3 Nb4 12. h3 Ne4 13. Qb2 0-0 14. g4 Bd7 15. Bg2 Bc6 16. 0-0 f5 17. Qe5 fxg4 18. Qe6+ Kh8 19. Ne5 Ng5 20. Qxg4 Bxg2 21. Kxg2 Nf7 22. Nd7 Nh6 23. Qe6 Re8 24. Qd6 Nc6 25. Qxd3 Qg5+ 26. Kh2 Rad8 27. Rg1 Qe7 28. Rxg7 Qxg7 29. Rg1 Rxd7 30. Qc2 Qe5+ 31. f4 Qf6 32. Nb1 Rg7 0-1

[Event "Vlissingen HZ op 03rd"]
[Site "Vlissingen"]
[Date "1999.08.13"]
[Round "5"]
[White "Jonkheer, Alex"]
[Black "Van Gemert, Rogier"]
[Result "0-1"]
[ECO "D10"]
[PlyCount "54"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e5 4. dxe5 d4 5. Ne4 Qa5+ 6. Bd2 Qxe5 7. Ng3 Nf6 8. Nf3 Qd6 9. Qb3 Na6 10. e3 dxe3 11. Bxe3 Qb4+ 12. Qxb4 Bxb4+ 13. Bd2 0-0 14. Bxb4 Nxb4 15. Kd2 Rd8+ 16. Kc3 c5 17. a3 Nc6 18. h3 Nd4 19. Nxd4 Rxd4 20. Be2 h5 21. Bd3 Be6 22. Rhe1 Rad8 23. Rad1 Bxc4 24. Nf5 Rxd3+ 25. Rxd3 Bxd3 26. Rd1 Ne4+ 27. Kb3 Bc4+ 0-1

[Event "Vlissingen HZ op 03rd"]
[Site "Vlissingen"]
[Date "1999.08.12"]
[Round "4"]
[White "Jonkheer, Alex"]
[Black "Boelhouwer, Marcel"]
[Result "0-1"]
[ECO "D47"]
[PlyCount "56"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Be2 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. 0-0 b4 10. Na4 c5 11. Nxc5 Nxc5 12. dxc5 Bxc5 13. Bb5+ Ke7 14. Qe2 Qb6 15. Rd1 Rhd8 16. Rxd8 Rxd8 17. Bc4 Bd6 18. Nd2 Qc5 19. f3 Qh5 20. g3 Bc5 21. Kf1 Rxd2 22. Bxd2 Bxf3 23. Qd3 Qxh2 24. Ke1 Qxg3+ 25. Kf1 Bg2+ 26. Ke2 Qf3+ 27. Ke1 Ne4 28. Qe2 Qg3+ 0-1

[Event "Vlissingen HZ op 03rd"]
[Site "Vlissingen"]
[Date "1999.08.11"]
[Round "3"]
[White "Snijders, Frans"]
[Black "Jonkheer, Alex"]
[Result "1/2-1/2"]
[ECO "C00"]
[PlyCount "69"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 b6 5. b5 Bb7 6. d4 cxd4 7. Qxd4 Nd7 8. a4 Rc8 9. Bd3 Nc5 10. 0-0 Ne7 11. Nbd2 Nxd3 12. cxd3 Nf5 13. Qb2 Qc7 14. Nd4 Nxd4 15. Qxd4 Qc3 16. Nf3 Qxd4 17. Nxd4 Bb4 18. Bb2 Kd7 19. Rfc1 Rxc1+ 20. Rxc1 Rc8 21. Rxc8 Kxc8 22. Kf1 Kd7 23. Ke2 a6 24. f4 axb5 25. axb5 Ke7 26. Nb3 Kd7 27. Bd4 Kc7 28. Bb2 Bc8 29. Nd4 Bd7 30. h4 Kd8 31. g4 g6 32. h5 Kc7 33. h6 Kc8 34. Nf3 Be7 35. Nd4 1/2-1/2

[Event "Vlissingen HZ op 03rd"]
[Site "Vlissingen"]
[Date "1999.08.10"]
[Round "2"]
[White "Jonkheer, Alex"]
[Black "De Pooter, Ronald"]
[Result "1-0"]
[ECO "D31"]
[PlyCount "60"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. cxd5 exd5 6. e3 Nc6 7. Nf3 Nf6 8. Bd3 cxd4 9. Nxd4 Nxd4 10. exd4 Qe7+ 11. Be3 Ng4 12. Bb5+ Bd7 13. Bxd7+ Qxd7 14. Bd2 0-0 15. 0-0 Qd6 16. g3 Rac8 17. Qf5 Qe6 18. Qg5 h6 19. Qf4 Bd6 20. Qf3 Rc4 21. Rfe1 Qc8 22. Qxd5 Rd8 23. Qe4 Rxd4 24. Qxd4 Bc5 25. Qa4 Nxf2 26. Be3 Qf5 27. Bxc5 Rd2 28. Re2 Rxe2 29. Nxe2 Qxc5 30. Kg2 Nd3 1-0

[Event "Vlissingen HZ op 03rd"]
[Site "Vlissingen"]
[Date "1999.08.09"]
[Round "1"]
[White "Rosmuller, Anton J"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2204"]
[PlyCount "139"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. d3 Nbd7 5. Nbd2 e5 6. e4 dxe4 7. dxe4 Be7 8. 0-0 0-0 9. Qe2 Re8 10. a4 b6 11. Rd1 Qc7 12. b3 Bb7 13. Bb2 Rad8 14. Qc4 Bd6 15. b4 c5 16. b5 Nf8 17. Nh4 Ne6 18. Nf5 Bf8 19. Ne3 Nd4 20. c3 Ne6 21. Nd5 Qb8 22. Nxf6+ gxf6 23. Qe2 Be7 24. Nc4 Kh8 25. Qh5 Ng5 26. Re1 Rf8 27. h4 Ne6 28. Rad1 Ng7 29. Qe2 Bc8 30. Bc1 Be6 31. Bh6 Rxd1 32. Rxd1 Rd8 33. Bxg7+ Kxg7 34. Ne3 Rxd1+ 35. Qxd1 Qd8 36. Qe2 Qd7 37. c4 Qd4 38. Kh2 Qd7 39. Nd5 Kh8 40. Qf1 Bd8 41. h5 Qe8 42. Bh3 Qf8 43. Bf5 Qh6 44. Qh3 Bxd5 45. exd5 Qf8 46. Be4 Kg7 47. Qf5 Qg8 48. Kg2 h6 49. Qd7 Qf8 50. Qxa7 Qe7 51. Qb8 Qc7 52. Qa8 Qe7 53. Qc8 Kf8 54. Qc6 Bc7 55. a5 bxa5 56. b6 Bd6 57. Qa8+ Qe8 58. Qxa5 Qb8 59. Qa7 Ke8 60. Bf5 Kf8 61. Kf3 Kg8 62. Ke4 Kf8 63. Qxb8+ Bxb8 64. d6 Bxd6 65. Kd5 Ke7 66. Kc6 e4 67. Bxe4 Ke6 68. f4 f5 69. Bxf5+ Ke7 70. Bc8 1-0

[Event "Vlissingen HZ op 02nd"]
[Site "Vlissingen"]
[Date "1998.??.??"]
[Round "3"]
[White "Colsen, Manuel"]
[Black "Jonkheer, Alex"]
[Result "0-1"]
[ECO "D04"]
[PlyCount "78"]
[EventDate "1998.07.??"]
[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. Nf3 Nf6 3. e3 Bg4 4. Be2 Nbd7 5. c4 c6 6. 0-0 e6 7. h3 Bh5 8. Qb3 Qc7 9. Re1 Bd6 10. c5 Be7 11. Nc3 0-0 12. Qc2 Bg6 13. Bd3 Bxd3 14. Qxd3 b6 15. b4 a5 16. cxb6 Qxb6 17. b5 cxb5 18. Nxb5 a4 19. Rb1 Rfc8 20. Bd2 Qa6 21. Rec1 Ne4 22. Rxc8+ Rxc8 23. Bb4 Bf6 24. Ne1 Rc6 25. f3 Ng3 26. Kh2 Nf5 27. e4 dxe4 28. fxe4 Nh4 29. e5 Bg5 30. Nc2 Nf5 31. d5 Nxe5 32. Qe4 Rc4 33. Nc7 Qb6 34. Na8 Qb7 35. Nc7 Rxe4 36. d6 Bf4+ 37. Kg1 Qb6+ 38. Kh1 Ng3+ 39. Kh2 Qf2 0-1

[Event "Vlissingen HZ op 02nd"]
[Site "Vlissingen"]
[Date "1998.??.??"]
[Round "6"]
[White "Jonkheer, Alex"]
[Black "Baethke, Gerd"]
[Result "0-1"]
[ECO "D94"]
[PlyCount "56"]
[EventDate "1998.07.??"]
[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 g6 2. c4 Bg7 3. Nf3 c6 4. Nc3 d5 5. e3 Bg4 6. h3 Bxf3 7. Qxf3 e6 8. Bd3 Nd7 9. cxd5 cxd5 10. Bd2 Ngf6 11. 0-0 0-0 12. Rac1 Rc8 13. Qg3 a6 14. b4 Nb6 15. b5 Nc4 16. Bxc4 Rxc4 17. bxa6 bxa6 18. f3 Qb8 19. Qxb8 Rxb8 20. Rb1 Rbc8 21. Rb3 Bh6 22. Kf2 Ne8 23. Rfb1 Nd6 24. Ke2 Nf5 25. Rb8 Kg7 26. Rxc8 Rxc8 27. Rb2 Bxe3 28. Bxe3 Nxe3 0-1

[Event "Vlissingen HZ op 02nd"]
[Site "Vlissingen"]
[Date "1998.??.??"]
[Round "4"]
[White "Jonkheer, Alex"]
[Black "Hekhuis, R."]
[Result "1/2-1/2"]
[ECO "D94"]
[PlyCount "88"]
[EventDate "1998.07.??"]
[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. Nf3 d5 5. e3 0-0 6. Bd3 Nc6 7. a3 Bg4 8. h3 Bxf3 9. Qxf3 dxc4 10. Bxc4 e5 11. d5 Na5 12. Ba2 b6 13. e4 Nd7 14. b4 Nb7 15. Bb2 a5 16. 0-0 Nb8 17. Rfd1 Qe7 18. b5 Nd6 19. Qe2 Nd7 20. a4 Nf6 21. f3 Nh5 22. Qe3 Nf4 23. Ne2 Nxe2+ 24. Qxe2 Kh8 25. Rac1 Rac8 26. Qe3 f5 27. Rc6 fxe4 28. fxe4 Rf6 29. Rdc1 Rf4 30. Bb1 Bh6 31. Qe2 Rf6 32. R1c3 Ne8 33. Qg4 Nd6 34. Rxd6 Qxd6 35. Qxc8+ Rf8 36. Qg4 Qb4 37. Qe2 Qd4+ 38. Kh1 Rf2 39. Qd3 Rxb2 40. Rxc7 Qf2 41. Rc8+ Kg7 42. Rc7+ Kg8 43. Rc8+ Kg7 44. Rc7+ Kg8 1/2-1/2

[Event "Vlissingen HZ op 02nd"]
[Site "Vlissingen"]
[Date "1998.??.??"]
[Round "7"]
[White "Jonkheer, Alex"]
[Black "Kovalevskaya, Svetlana"]
[Result "0-1"]
[ECO "E91"]
[PlyCount "116"]
[EventDate "1998.07.??"]
[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. Nf3 d6 5. e4 0-0 6. Be2 Na6 7. Bg5 h6 8. Bf4 Nh5 9. Be3 c6 10. Qd2 Kh7 11. Rc1 Nf6 12. a3 Ng4 13. Bf4 e5 14. dxe5 dxe5 15. Qxd8 Rxd8 16. Bd2 Nc5 17. h3 Nf6 18. Be3 Nfxe4 19. Nxe4 Nxe4 20. b4 f5 21. Rd1 Rxd1+ 22. Bxd1 Be6 23. Be2 Nd6 24. c5 Nc4 25. Bc1 e4 26. Nd2 Ne5 27. 0-0 Rd8 28. Re1 Nd3 29. Bxd3 Rxd3 30. Re3 Rd7 31. Kf1 Bd5 32. g3 g5 33. Re1 Bc3 34. Ke2 f4 35. Rg1 Bxd2 36. Bxd2 Bc4+ 37. Ke1 f3 38. g4 Be2 39. h4 Rd3 40. hxg5 hxg5 41. Rh1+ Kg6 42. Rh8 Rxa3 43. Bc1 Ra2 44. Rg8+ Kf7 45. Rxg5 Bc4 46. Rf5+ Ke6 47. Be3 Ra1+ 48. Kd2 Rg1 49. Rg5 Rb1 50. Kc3 Bd5 51. Bd2 Kf6 52. Rf5+ Kg6 53. Kd4 Rb2 54. Ke3 Rb3+ 55. Kf4 Rb2 56. Bc3 Rxf2 57. Rf6+ Kh7 58. Kg5 Rh2 0-1

[Event "Vlissingen HZ op 02nd"]
[Site "Vlissingen"]
[Date "1998.??.??"]
[Round "2"]
[White "Jonkheer, Alex"]
[Black "Mirani, Robert"]
[Result "0-1"]
[ECO "A81"]
[PlyCount "74"]
[EventDate "1998.07.??"]
[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 f5 2. g3 e6 3. Bg2 Nf6 4. Nh3 Be7 5. 0-0 d5 6. c3 b6 7. f3 Ba6 8. Re1 0-0 9. Nd2 Nbd7 10. e4 fxe4 11. fxe4 Rc8 12. Ng5 Qe8 13. Nxe6 Rf7 14. e5 Ne4 15. Nf4 Ndc5 16. Bh3 Rd8 17. dxc5 Bxc5+ 18. Kg2 Nf2 19. Qf3 Rxf4 20. gxf4 Qg6+ 21. Qg3 Nd3 22. Rf1 Qc6 23. Bg4 Rf8 24. Nb3 Nxe5 25. Nd4 Bxd4 26. cxd4 Bxf1+ 27. Kxf1 Nxg4 28. Qxg4 Qc4+ 29. Kf2 Qxd4+ 30. Kg3 Qg1+ 31. Kh3 Qf1+ 32. Qg2 Qd3+ 33. Qg3 Qf1+ 34. Kh4 Rf6 35. f5 Rxf5 36. Bh6 Rh5+ 37. Kg4 Qf5# 0-1

[Event "Vlissingen HZ op 02nd"]
[Site "Vlissingen"]
[Date "1998.??.??"]
[Round "5"]
[White "Schunselaar, P."]
[Black "Jonkheer, Alex"]
[Result "0-1"]
[ECO "C18"]
[PlyCount "59"]
[EventDate "1998.07.??"]
[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 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Qg4 f5 8. Qg3 Ne7 9. Qxg7 Rg8 10. Qxh7 cxd4 11. Kd1 dxc3 12. Qh5+ Kd8 13. Nf3 Nbc6 14. Bf4 Bd7 15. Qf7 Qb6 16. Be3 d4 17. Bc1 Qc5 18. Rb1 Nxe5 19. Nxe5 Qxe5 20. Rxb7 Qg7 21. Qh5 Nc6 22. Rb5 e5 23. h4 Kc7 24. Qh6 Qxh6 25. Bxh6 Rad8 26. Bc1 Kd6 27. h5 Ke6 28. h6 Kf6 29. Bc4 f4 30. Bb3 0-1

[Event "Vlissingen HZ op 02nd"]
[Site "Vlissingen"]
[Date "1998.??.??"]
[Round "1"]
[White "Soderberg, Per"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "2245"]
[PlyCount "45"]
[EventDate "1998.07.??"]
[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 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Nf3 c5 9. Qd2 Nc6 10. 0-0-0 b5 11. dxc5 Qxc5 12. Bd3 Nb6 13. f5 Nc4 14. Bxc4 bxc4 15. Qg5 Qf8 16. fxe6 fxe6 17. Rhf1 Qe7 18. Qh5+ g6 19. Qh6 Qf8 20. Qe3 Bd7 21. Nxd5 exd5 22. e6 Bc8 23. Ne5 1-0

[Event "Vlissingen HZ op 01st"]
[Site "Vlissingen"]
[Date "1997.??.??"]
[Round "2"]
[White "Ibrahim, Anthony"]
[Black "Jonkheer, Alex"]
[Result "0-1"]
[ECO "D60"]
[WhiteElo "2175"]
[PlyCount "74"]
[EventDate "1997.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 058 Extra"]
[Source "ChessBase"]
[SourceDate "1997.07.29"]
[SourceVersion "1"]
[SourceVersionDate "1997.07.29"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. Nc3 Nbd7 5. Bg5 Be7 6. e3 c6 7. Be2 0-0 8. 0-0 h6 9. Bf4 Nh5 10. Be5 Nxe5 11. Nxe5 Nf6 12. c5 Nd7 13. Nf3 b6 14. b4 bxc5 15. bxc5 Qa5 16. Qc2 Ba6 17. Bxa6 Qxa6 18. Nd2 Bf6 19. f4 Rab8 20. Rab1 Qa3 21. Rb3 Rxb3 22. Qxb3 Qa5 23. Rb1 Rb8 24. Qc2 Rxb1+ 25. Ncxb1 Qb5 26. Nc3 Qb4 27. Qb3 Qa5 28. Kf2 Nxc5 29. Qb8+ Kh7 30. Ncb1 Nd3+ 31. Kf3 c5 32. dxc5 Qxc5 33. Qe8 Kg6 34. Qa4 e5 35. f5+ Kh7 36. Qe8 e4+ 37. Ke2 Qc1 0-1

[Event "Vlissingen HZ op 01st"]
[Site "Vlissingen"]
[Date "1997.??.??"]
[Round "1"]
[White "Jonkheer, Alex"]
[Black "Barsov, Alexei"]
[Result "0-1"]
[ECO "E24"]
[BlackElo "2445"]
[PlyCount "56"]
[EventDate "1997.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 058 Extra"]
[Source "ChessBase"]
[SourceDate "1997.07.29"]
[SourceVersion "1"]
[SourceVersionDate "1997.07.29"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 Nc6 6. Bg5 h6 7. Bf4 b6 8. Nf3 Ba6 9. Nd2 0-0 10. e3 Na5 11. Bg3 Rc8 12. Qa4 Nh5 13. Rc1 Nxg3 14. hxg3 c5 15. Nb3 Nxb3 16. Qxb3 Rc7 17. f3 Qc8 18. Kf2 cxd4 19. exd4 Bxc4 20. Qb4 d5 21. Be2 Bxe2 22. Kxe2 Rc4 23. Qb2 Qc7 24. f4 Rc8 25. Kd3 b5 26. Rc2 a5 27. Rhc1 g5 28. Qxb5 Rb8 0-1

[Event "Vlissingen HZ op 01st"]
[Site "Vlissingen"]
[Date "1997.??.??"]
[Round "7"]
[White "Jonkheer, Alex"]
[Black "Heemskerk, Fenny"]
[Result "0-1"]
[ECO "D52"]
[BlackElo "2005"]
[PlyCount "82"]
[EventDate "1997.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 058 Extra"]
[Source "ChessBase"]
[SourceDate "1997.07.29"]
[SourceVersion "1"]
[SourceVersionDate "1997.07.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 dxc4 9. Nxc4 Qxg5 10. a3 Be7 11. Nd2 c5 12. Nf3 Qg6 13. Qb3 b6 14. Nb5 0-0 15. Nh4 Qe4 16. Nf3 cxd4 17. Bd3 Qg4 18. Nfxd4 Nc5 19. Qc2 Nxd3+ 20. Qxd3 Qxg2 21. 0-0-0 Qe4 22. Qd2 Bd7 23. Nc3 Rac8 24. f3 Qe5 25. Kb1 Nd5 26. Ne4 f5 27. Ng3 Qxe3 28. Qg2 Bf6 29. Rhe1 Nf4 30. Qf1 Bxd4 31. Rxe3 Bxe3 32. Qe1 Ba4 33. Qxe3 Bxd1 34. Qxf4 Bb3 35. Ne2 Rfd8 36. Nc3 Rc4 37. Qe3 Rcd4 38. Ne2 Rd3 39. Qf4 Rd1+ 40. Nc1 Rc8 41. Qe3 Rdxc1+ 0-1

[Event "Vlissingen HZ op 01st"]
[Site "Vlissingen"]
[Date "1997.??.??"]
[Round "3"]
[White "Jonkheer, Alex"]
[Black "Van der Zalm, Marnix"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "2125"]
[PlyCount "64"]
[EventDate "1997.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 058 Extra"]
[Source "ChessBase"]
[SourceDate "1997.07.29"]
[SourceVersion "1"]
[SourceVersionDate "1997.07.29"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. e4 Nf6 4. Bd3 Bg7 5. c3 0-0 6. 0-0 Nc6 7. Bg5 h6 8. Bf4 Nh5 9. Bc1 e5 10. d5 Ne7 11. Ne1 Nf4 12. Bc2 g5 13. Nd3 Neg6 14. Nxf4 exf4 15. Nd2 g4 16. f3 h5 17. fxg4 hxg4 18. Qe1 Be5 19. Nb3 Qf6 20. Qf2 Qh8 21. g3 fxg3 22. hxg3 Qh3 23. Qh2 Qxg3+ 24. Qxg3 Bxg3 25. Kg2 Be5 26. Nd4 Nh4+ 27. Kh1 g3 28. Rd1 Bh3 29. Rd3 Bg2+ 30. Kg1 Bxe4 31. Rxg3+ Bxg3 32. Bxe4 Rae8 0-1

[Event "Vlissingen HZ op 01st"]
[Site "Vlissingen"]
[Date "1997.??.??"]
[Round "5"]
[White "Jonkheer, Alex"]
[Black "Willemze, Thomas"]
[Result "0-1"]
[ECO "E78"]
[PlyCount "104"]
[EventDate "1997.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 058 Extra"]
[Source "ChessBase"]
[SourceDate "1997.07.29"]
[SourceVersion "1"]
[SourceVersionDate "1997.07.29"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. c4 g6 4. Nc3 Bg7 5. e4 Nf6 6. f4 0-0 7. Nf3 Bg4 8. Be2 Bxf3 9. Bxf3 Nfd7 10. 0-0 Nb6 11. Qd3 N8d7 12. Bd2 g5 13. g3 Kh8 14. b3 Rg8 15. Kh1 Qf8 16. Rae1 Bd4 17. Nd1 g4 18. Bg2 h5 19. Bc3 Bxc3 20. Qxc3+ Qg7 21. Qxg7+ Kxg7 22. e5 Rae8 23. e6 Nf6 24. exf7 Kxf7 25. Re6 Rh8 26. Kg1 Nbd7 27. Rfe1 Ng8 28. Nc3 Nf8 29. R6e2 Nh6 30. Nb5 Nf5 31. Be4 a6 32. Bxf5 axb5 33. cxb5 Rh6 34. Kf2 Rf6 35. Be6+ Kg7 36. a4 Ng6 37. Ke3 Ra8 38. Rc2 Nf8 39. Kd3 Nxe6 40. Rxe6 Rxe6 41. dxe6 Kf6 42. Re2 Kf5 43. Kc4 Kf6 44. Kd5 Kf5 45. Re1 Ra7 46. Rh1 Ra8 47. h3 Rh8 48. hxg4+ Kxg4 49. Ke4 Kxg3 50. Rg1+ Kf2 51. Rg7 h4 52. Rxe7 h3 0-1

[Event "Vlissingen HZ op 01st"]
[Site "Vlissingen"]
[Date "1997.??.??"]
[Round "6"]
[White "Kuijs, M."]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "91"]
[EventDate "1997.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 058 Extra"]
[Source "ChessBase"]
[SourceDate "1997.07.29"]
[SourceVersion "1"]
[SourceVersionDate "1997.07.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 cxd4 7. cxd4 Bd7 8. Be2 Rc8 9. 0-0 Na5 10. Nbd2 Bb5 11. b4 Nc6 12. Bxb5 Qxb5 13. Nb3 Nge7 14. Nh4 Ng6 15. Nxg6 hxg6 16. Qg4 Be7 17. Be3 b6 18. Rfb1 Qc4 19. Nd2 Qd3 20. Rb3 Qc2 21. Qe2 Kd7 22. Qa6 Rc7 23. Rd3 Rhc8 24. Nb3 Kd8 25. Rc1 Qe2 26. Rcd1 Nb8 27. Qa4 a6 28. R3d2 Qg4 29. f3 Qf5 30. Rf2 Rc2 31. g4 Rxf2 32. gxf5 Rxf3 33. Bf2 Bg5 34. fxe6 fxe6 35. Nd2 Rfc3 36. Nf1 Kc7 37. b5 a5 38. Re1 Kb7 39. Qd1 Rf8 40. Qg4 Rcf3 41. Qxg5 Rxf2 42. Qe7+ Ka8 43. Qxe6 Rc2 44. Qxd5+ Ka7 45. Ne3 Rd2 46. e6 1-0

[Event "Vlissingen HZ op 01st"]
[Site "Vlissingen"]
[Date "1997.??.??"]
[Round "4"]
[White "Osborne, Keith C"]
[Black "Jonkheer, Alex"]
[Result "0-1"]
[ECO "D35"]
[PlyCount "74"]
[EventDate "1997.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 058 Extra"]
[Source "ChessBase"]
[SourceDate "1997.07.29"]
[SourceVersion "1"]
[SourceVersionDate "1997.07.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Nf3 Be7 6. h3 Nbd7 7. Bf4 c6 8. e3 0-0 9. Bd3 Re8 10. a3 a5 11. 0-0 b5 12. Rc1 Nb6 13. Nxb5 cxb5 14. Bxb5 Bd6 15. Bxe8 Nxe8 16. Ne5 Ba6 17. Re1 Nc4 18. Nxc4 Bxf4 19. Nxa5 Bd6 20. Nc6 Qf6 21. Qb3 Bc4 22. Qb7 Nc7 23. Nb8 Qd8 24. Nc6 Qe8 25. Nb4 Rb8 26. Qc6 Qe6 27. Qa4 g5 28. Qd1 f5 29. Qd2 g4 30. hxg4 Qh6 31. g3 Qh3 32. gxf5 Kh8 33. Rxc4 dxc4 34. d5 Rg8 35. Qd4+ Rg7 36. Qf6 Ne8 37. Qd8 Rg8 0-1

[Event "Vlissingen op"]
[Site "Vlissingen"]
[Date "1996.??.??"]
[Round "7"]
[White "De Wolf, Kees"]
[Black "Jonkheer, Alex"]
[Result "0-1"]
[ECO "D36"]
[PlyCount "140"]
[EventDate "1996.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 053 Extra"]
[Source "ChessBase"]
[SourceDate "1996.09.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.09.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5. Bg5 Be7 6. e3 0-0 7. Qc2 h6 8. Bh4 c6 9. cxd5 exd5 10. Bd3 Re8 11. Nd2 b6 12. 0-0-0 Bb7 13. Kb1 c5 14. dxc5 Nxc5 15. Bb5 Rf8 16. Nf3 a6 17. Be2 Rc8 18. Qf5 Nce4 19. Nxe4 Nxe4 20. Bxe7 Qxe7 21. Nd4 Qb4 22. Nb3 Rc7 23. Rd4 Qe7 24. Bd3 Rfc8 25. f3 g6 26. Qf4 Nf2 27. Re1 Nxd3 28. Rxd3 Kg7 29. Qd4+ Qf6 30. Qxf6+ Kxf6 31. Nd4 Rc5 32. g4 Bc6 33. h4 Bb5 34. Rd2 Bc4 35. b3 Bb5 36. Kb2 Bd7 37. a3 a5 38. Rg2 b5 39. Rc2 Rxc2+ 40. Nxc2 g5 41. hxg5+ hxg5 42. Rh1 Kg6 43. Rd1 Be6 44. Nd4 Rc5 45. b4 axb4 46. axb4 Rc4 47. Kb3 Bd7 48. Ne2 Be6 49. Ra1 d4 50. exd4 Rxd4+ 51. Kc3 Rc4+ 52. Kd3 Rxb4 53. Ra6 Rb3+ 54. Ke4 Rb1 55. Nd4 Re1+ 56. Kd3 Kg7 57. Nxe6+ Rxe6 58. Ra7 Rb6 59. Ra3 Kf6 60. Kd4 b4 61. Rb3 Ke6 62. Ke4 f6 63. f4 gxf4 64. Kxf4 Rb5 65. Ke4 Kd6 66. Kd4 Rg5 67. Rg3 f5 68. Rd3 Rxg4+ 69. Ke3+ Ke5 70. Rd8 f4+ 0-1

[Event "Vlissingen op"]
[Site "Vlissingen"]
[Date "1996.??.??"]
[Round "4"]
[White "Jonkheer, Alex"]
[Black "Janse, Paul"]
[Result "1-0"]
[ECO "D53"]
[PlyCount "89"]
[EventDate "1996.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 053 Extra"]
[Source "ChessBase"]
[SourceDate "1996.09.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.09.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 Nbd7 6. e3 c6 7. Bd3 dxc4 8. Bxc4 Nb6 9. Bd3 Bd7 10. 0-0 0-0 11. Rc1 Nfd5 12. Bxe7 Qxe7 13. Re1 Rac8 14. Ne4 Be8 15. Nc5 Rc7 16. e4 Nf6 17. Bb1 Bd7 18. Qd2 Ne8 19. a4 Nc8 20. Ne5 Nf6 21. Qg5 Be8 22. Re3 Nd5 23. Qxe7 Ndxe7 24. Rb3 f6 25. Nf3 Bf7 26. Rxb7 Rxb7 27. Nxb7 Nb6 28. a5 Nd7 29. Nd2 Rb8 30. a6 h5 31. Nc4 g5 32. Bc2 g4 33. Ba4 Bg6 34. f3 gxf3 35. gxf3 Kf7 36. Ncd6+ Kg7 37. Bxc6 Nb6 38. Bb5 Kh6 39. Rc7 Ng8 40. Na5 Rd8 41. e5 fxe5 42. dxe5 h4 43. Rxa7 Bh5 44. Rb7 Nd5 45. a7 1-0

[Event "Vlissingen op"]
[Site "Vlissingen"]
[Date "1996.??.??"]
[Round "2"]
[White "Jonkheer, Alex"]
[Black "Van Linde, Paul"]
[Result "0-1"]
[ECO "D53"]
[BlackElo "2140"]
[PlyCount "138"]
[EventDate "1996.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 053 Extra"]
[Source "ChessBase"]
[SourceDate "1996.09.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.09.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 b6 6. cxd5 Nxd5 7. Bxe7 Qxe7 8. e4 Nxc3 9. bxc3 0-0 10. Nf3 Bb7 11. Bd3 c5 12. 0-0 Nd7 13. Re1 Qd8 14. Rc1 Rc8 15. e5 c4 16. Bb1 b5 17. Qc2 g6 18. Qe2 Nb6 19. Nd2 Qe7 20. Be4 Bxe4 21. Nxe4 Nd5 22. a4 Nf4 23. Nf6+ Qxf6 24. exf6 Nxe2+ 25. Rxe2 Rb8 26. Re5 b4 27. Rc5 b3 28. Rc7 h6 29. Kf1 Rfc8 30. Rxa7 b2 31. Rb1 Rb3 32. Ke2 Rcb8 33. Kd2 Ra3 34. Kc2 Ra2 35. Ra5 g5 36. Rb5 Ra8 37. R1xb2 R8xa4 38. R5b4 R2a3 39. Rxa4 Rxa4 40. Rb8+ Kh7 41. Kb2 Ra5 42. Rb4 Rf5 43. f3 g4 44. Rxc4 gxf3 45. gxf3 Rxf3 46. Rc8 Rf2+ 47. Kb3 Rxh2 48. c4 Rd2 49. Kc3 Rd1 50. c5 h5 51. c6 Rc1+ 52. Kd2 Rc4 53. Kd3 Rc1 54. Ke4 h4 55. Kf4 h3 56. Kg3 Rc3+ 57. Kh2 Kg6 58. Rc7 Kxf6 59. Rc8 Kf5 60. Rc7 f6 61. Rc8 Kg6 62. Rc7 f5 63. Rc8 Kf7 64. c7 Ke7 65. Rh8 Rxc7 66. Kxh3 Rc3+ 67. Kg2 Rd3 68. Rh4 Kd6 69. Kf2 Kd5 0-1

[Event "Vlissingen op"]
[Site "Vlissingen"]
[Date "1996.??.??"]
[Round "6"]
[White "Jonkheer, Alex"]
[Black "Westerweele, Henrik"]
[Result "1-0"]
[ECO "E54"]
[PlyCount "75"]
[EventDate "1996.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 053 Extra"]
[Source "ChessBase"]
[SourceDate "1996.09.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 e6 4. Nc3 d5 5. Bd3 dxc4 6. Bxc4 cxd4 7. exd4 Nc6 8. Nf3 Bb4 9. 0-0 Bxc3 10. bxc3 0-0 11. Re1 h6 12. Ne5 Nxe5 13. Rxe5 Nd7 14. Re3 Nb6 15. Bd3 Nd5 16. Rg3 Qf6 17. c4 Ne7 18. Rf3 Nf5 19. Be3 Nxe3 20. fxe3 Qe7 21. Rg3 f5 22. Qe2 Bd7 23. e4 Rae8 24. Re1 f4 25. Rg6 Rf6 26. Rxf6 Qxf6 27. e5 Qf7 28. Qe4 Rd8 29. Qh7+ Kf8 30. Rf1 Ke7 31. d5 Rf8 32. d6+ Kd8 33. Be4 a5 34. Bxb7 Bb5 35. Qe4 Bxc4 36. Rc1 Bd5 37. Rc8+ Kd7 38. Qa4+ 1-0

[Event "Vlissingen op"]
[Site "Vlissingen"]
[Date "1996.??.??"]
[Round "5"]
[White "Stange, Wim"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "E07"]
[PlyCount "87"]
[EventDate "1996.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 053 Extra"]
[Source "ChessBase"]
[SourceDate "1996.09.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.09.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Nbd7 5. 0-0 Be7 6. b3 0-0 7. Bb2 b6 8. c4 c6 9. Nc3 Bb7 10. Rc1 c5 11. cxd5 Nxd5 12. Nxd5 Bxd5 13. Qd2 cxd4 14. Nxd4 Bxg2 15. Kxg2 Nc5 16. Rfd1 Rc8 17. Qe3 Qd5+ 18. Nf3 Qb7 19. Kg1 Rfd8 20. h4 Rxd1+ 21. Rxd1 Rd8 22. Rxd8+ Bxd8 23. Qd4 Bf6 24. Qd2 Qe7 25. Bxf6 gxf6 26. Qf4 e5 27. Qg4+ Kh8 28. Qc8+ Kg7 29. h5 Qd7 30. h6+ Kxh6 31. Qf8+ Kh5 32. Qg7 Qf5 33. Qxf7+ Qg6 34. Qxa7 Kg4 35. Kg2 Qh5 36. Nh2+ Kg5 37. Qxb6 Ne4 38. Qe3+ Kg6 39. Qxe4+ Kf7 40. Qb7+ Ke6 41. Qc8+ Kd5 42. Nf3 Kd6 43. Qc4 Qg6 44. Qd3+ 1-0

[Event "Vlissingen op"]
[Site "Vlissingen"]
[Date "1996.??.??"]
[Round "3"]
[White "Van der Wilt, N."]
[Black "Jonkheer, Alex"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "52"]
[EventDate "1996.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 053 Extra"]
[Source "ChessBase"]
[SourceDate "1996.09.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.09.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nd2 Nc6 6. Ngf3 Bd7 7. Be2 cxd4 8. cxd4 Nxd4 9. 0-0 Nxe2+ 10. Kh1 Nxc1 11. Rxc1 Rc8 12. Rxc8+ Bxc8 13. Nb3 Be7 14. Qc2 Bd7 15. Nfd4 Nh6 16. f4 Nf5 17. Nxf5 exf5 18. Rd1 0-0 19. Nd4 Rc8 20. Qe2 Be6 21. b3 a6 22. Qd3 Qc5 23. h3 Qc3 24. Qf1 Qb2 25. Qd3 Rc3 26. Qf1 Bc5 0-1

[Event "Vlissingen op"]
[Site "Vlissingen"]
[Date "1996.??.??"]
[Round "1"]
[White "Vetemaa, Juri"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2350"]
[PlyCount "55"]
[EventDate "1996.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 053 Extra"]
[Source "ChessBase"]
[SourceDate "1996.09.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.09.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Be2 Bd7 7. 0-0 cxd4 8. cxd4 Nge7 9. Na3 a6 10. Nc2 Nf5 11. g4 Nh6 12. h3 Be7 13. Rb1 Nb4 14. Nxb4 Bxb4 15. a3 Be7 16. Bd2 Rc8 17. Bd3 0-0 18. Qe2 Kh8 19. Kh2 Ng8 20. Be3 f5 21. gxf5 exf5 22. Bf4 h6 23. Rg1 g5 24. Nxg5 Bxg5 25. Bxg5 hxg5 26. Rxg5 Nh6 27. e6 Rce8 28. Qe5+ 1-0

[Event "Leeuwarden op"]
[Site "Leeuwarden"]
[Date "1994.??.??"]
[Round "4"]
[White "Feiner, Reinier"]
[Black "Jonkheer, Alex"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "56"]
[EventDate "1994.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Bd3 Bd7 7. 0-0 cxd4 8. cxd4 Rc8 9. Nc3 Nh6 10. Na4 Qc7 11. Bxh6 gxh6 12. Rc1 Be7 13. Qd2 Qd8 14. Nc3 f5 15. Qxh6 Kf7 16. Rfe1 Qg8 17. Bxf5 Qg7 18. Qh5+ Kf8 19. Nxd5 exf5 20. e6 Be8 21. Qxf5+ Kg8 22. Ne5 Bg6 23. Nxc6 Rxc6 24. Qe5 Qf6 25. Nxe7+ Qxe7 26. d5 Rd6 27. Rc8+ Rd8 28. Rc7 Qf8 1-0

