[Event "Espalion op 1st"]
[Site "Espalion"]
[Date "2016.07.16"]
[Round "9"]
[White "Marie, Olivier"]
[Black "Jonker, Jan"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1560"]
[BlackElo "1380"]
[PlyCount "93"]
[EventDate "2016.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e6 2. g3 d5 3. Bg2 dxe4 4. Bxe4 Nf6 5. Bg2 Nbd7 6. Nc3 c6 7. Nge2 Be7 8. d3 0-0 9. 0-0 Re8 10. Bd2 e5 11. Nc1 Nf8 12. Nb3 Be6 13. Qe1 Qc7 14. Ne4 N6d7 15. c4 Rad8 16. Qe2 b6 17. Bc3 c5 18. Rfe1 Ng6 19. Rac1 f5 20. Ned2 Bf6 21. Qf1 Nb8 22. h4 h5 23. Nf3 Bc8 24. Ng5 Nc6 25. Bd5+ Kh8 26. Qe2 Nf4 27. gxf4 Bxg5 28. hxg5 g6 29. fxe5 Kh7 30. f4 Ne7 31. Bf3 Nc6 32. Bxh5 Be6 33. Bf3 Kg7 34. Kg2 Rh8 35. Rh1 Ne7 36. Rxh8 Kxh8 37. d4 cxd4 38. Bxd4 Nc6 39. Bc3 Kg8 40. Kg3 Ne7 41. Bb4 Kf7 42. Bd5 Nc6 43. Bd6 Qd7 44. Rh1 Kg8 45. Qh2 Bxd5 46. Qh8+ Kf7 47. Rh7+ 1-0

[Event "Espalion op 1st"]
[Site "Espalion"]
[Date "2016.07.15"]
[Round "8"]
[White "Antos, Claude"]
[Black "Jonker, Jan"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "1050"]
[BlackElo "1380"]
[PlyCount "80"]
[EventDate "2016.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 c5 3. Bc4 Nc6 4. d4 cxd4 5. Nxd4 d5 6. Bb5 Bd7 7. h4 Bc5 8. Bg5 Qb6 9. Qf3 Bxd4 10. Bxc6 Bxc6 11. Qf4 e5 12. Qf5 Bd7 13. Qf3 Qxb2 14. 0-0 Qxa1 15. Qb3 h6 16. Bc1 Nf6 17. Qb4 Nxe4 18. Ba3 Bc5 19. Qxb7 Ke7 20. Rd1 Bxa3 21. Rxd5 Bd6 22. f3 Nc3 23. Rd3 Qxb1+ 24. Qxb1 Nxb1 25. g3 Rhc8 26. f4 e4 27. Re3 f5 28. Re1 Na3 29. c3 Rxc3 30. Rd1 Rxg3+ 31. Kf1 Bc5 32. Rc1 Bb5+ 33. Ke1 Bb4+ 34. Kf2 Rf3+ 35. Kg2 Rd8 36. Rc7+ Rd7 37. Rc1 Rd2+ 38. Kh1 Rh3+ 39. Kg1 Rc2 40. Rd1 Bc5+ 0-1

[Event "Espalion op 1st"]
[Site "Espalion"]
[Date "2016.07.14"]
[Round "7"]
[White "Jonker, Jan"]
[Black "Gaubert, Cedric"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1380"]
[BlackElo "1518"]
[PlyCount "74"]
[EventDate "2016.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 Qb6 5. Na4 Qb4+ 6. Bd2 Qd6 7. c5 Qc7 8. Rc1 g6 9. Nf3 Bg7 10. b4 0-0 11. Nc3 Nbd7 12. a4 e5 13. e3 exd4 14. exd4 Ne4 15. Be3 f5 16. Bd3 Ndf6 17. 0-0 Ng4 18. h3 Nxe3 19. fxe3 Qe7 20. Nh2 Nxc3 21. Rxc3 Qxe3+ 22. Kh1 Qxd4 23. Rb3 Bd7 24. Nf3 Qf6 25. b5 Rab8 26. a5 Qe7 27. Qc2 Rfc8 28. Re1 Qd8 29. Qa2 cxb5 30. a6 Rxc5 31. Ne5 Bxe5 32. Rxe5 Rc1+ 33. Kh2 Qc7 34. Qb2 Re1 35. Be2 Rb1 36. Rc3 Qxe5+ 37. g3 Rxb2 0-1

[Event "Espalion op 1st"]
[Site "Espalion"]
[Date "2016.07.13"]
[Round "6"]
[White "Muller Moingt, Bastien"]
[Black "Jonker, Jan"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1009"]
[BlackElo "1380"]
[PlyCount "126"]
[EventDate "2016.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. dxc5 Bxc5 5. Nf3 Bd7 6. Bg5 Qb6 7. Bd3 h6 8. Bf4 Nc6 9. 0-0 Nge7 10. Nc3 a6 11. h3 Nd4 12. Nxd4 Bxd4 13. Re1 Rc8 14. Ne2 Qxb2 15. Nxd4 Qxd4 16. Rb1 b5 17. Be3 Qxe5 18. Bc5 Qc7 19. Bxe7 Kxe7 20. Re2 Qa7 21. Kh2 Rc3 22. Re5 Qc7 23. Qh5 f6 24. Bg6 Qxe5+ 25. Qxe5 fxe5 26. Rc1 Rf8 27. Kg1 e4 28. Bh5 d4 29. Kf1 Rf5 30. Bg4 d3 31. Bxf5 d2 32. Rd1 Rxc2 33. Bxe4 Rc1 34. Ke2 Rxd1 35. Kxd1 Kd6 36. Kxd2 Kc5 37. Ke3 a5 38. Kf4 Kd4 39. Bh7 g5+ 40. Kg4 Kc3 41. Kh5 Kb2 42. Kxh6 g4 43. f4 gxh3 44. gxh3 Kxa2 45. Kg5 a4 46. h4 a3 47. h5 Kb2 48. Bg6 a2 49. h6 a1Q 50. h7 Ka3 51. h8Q Qxh8 52. Kg4 Kb4 53. Bh5 Kc5 54. Kg5 Kd6 55. Kg6 Ke7 56. Kg5 e5 57. f5 Qg7+ 58. Kh4 Kf6 59. Kh3 Kxf5 60. Bd1 Kf4+ 61. Kh2 Qg3+ 62. Kh1 Bc6+ 63. Bf3 Bxf3# 0-1

[Event "Espalion op 1st"]
[Site "Espalion"]
[Date "2016.07.12"]
[Round "5"]
[White "Jonker, Jan"]
[Black "Rollot, Nathalie"]
[Result "0-1"]
[ECO "D53"]
[WhiteElo "1380"]
[BlackElo "1344"]
[PlyCount "96"]
[EventDate "2016.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. Nc3 0-0 6. e3 Nc6 7. cxd5 exd5 8. Be2 Bf5 9. 0-0 a6 10. a3 Qd6 11. Bf4 Qd8 12. b4 Nh5 13. Ne5 Nxf4 14. exf4 Re8 15. Rc1 Qd6 16. Bf3 Rad8 17. Nxd5 Bf8 18. g4 Be6 19. Rc5 Nxe5 20. fxe5 Qd7 21. Rxc7 Qb5 22. Rxb7 Qc4 23. Rc7 Qa2 24. Qa1 Bxd5 25. Qxa2 Bxa2 26. Bc6 Re6 27. Bd7 Re7 28. Ra7 Rexd7 29. Rxa6 Bc4 30. e6 fxe6 31. Rc6 Bxf1 32. Kxf1 Rxd4 33. Rxe6 Rxg4 34. Re3 Ra8 35. h3 Rc4 36. Kg2 Rc1 37. Kf3 Ra1 38. Kg4 R1xa3 39. Re4 R3a4 40. f3 Rxb4 41. Kf5 Rxe4 42. fxe4 Be7 43. e5 Ra5 44. Ke6 Ba3 45. h4 Bb2 46. h5 Rxe5+ 47. Kd7 Rxh5 48. Ke8 g5 0-1

[Event "Espalion op 1st"]
[Site "Espalion"]
[Date "2016.07.11"]
[Round "3"]
[White "Jonker, Jan"]
[Black "Ferraye, Elio"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1380"]
[BlackElo "1250"]
[PlyCount "141"]
[EventDate "2016.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 Bf5 4. Bf4 c6 5. Nf3 e6 6. c5 b6 7. b4 h6 8. e3 Be7 9. Bd3 Bg4 10. h3 Bh5 11. g4 Bg6 12. Bxg6 fxg6 13. Ne5 g5 14. Bg3 h5 15. Qc2 Rh6 16. 0-0-0 h4 17. Bh2 a5 18. b5 Qc8 19. Ng6 Ng8 20. cxb6 cxb5 21. Bc7 Ba3+ 22. Kb1 Qd7 23. Ne5 Qe7 24. Nxb5 Qb4+ 25. Qb3 Qxb3+ 26. axb3 a4 27. Nxa3 Rf6 28. Rd2 axb3 29. Kb2 Ke7 30. Kxb3 Rf8 31. Ng6+ Kf7 32. Nxf8 Kxf8 33. Rc1 Nf6 34. Bd6+ Kg8 35. Rc8+ Kh7 36. f3 Nfd7 37. b7 Ra7 38. Rxb8 Nxb8 39. Rb2 Rxb7+ 40. Kc3 Rxb2 41. Kxb2 Na6 42. f4 Kg6 43. Nb5 Kf6 44. Nc7 Nxc7 45. Bxc7 Kg6 46. Be5 gxf4 47. Bxf4 Kf6 48. Be5+ Kg6 49. Kc2 Kf7 50. Kd2 g5 51. Kd3 Ke7 52. Kc3 Kd7 53. Bf6 Ke8 54. Bxg5 Kf7 55. Bxh4 Kg6 56. Kb4 Kf7 57. Kc5 e5 58. Kxd5 exd4 59. exd4 Ke8 60. Ke6 Kf8 61. d5 Ke8 62. d6 Kf8 63. d7 Kg7 64. d8Q Kg6 65. g5 Kg7 66. Qf6+ Kh7 67. Qf5+ Kg7 68. g6 Kg8 69. Ke7 Kg7 70. Qf7+ Kh6 71. Qh7# 1-0

[Event "Espalion op 1st"]
[Site "Espalion"]
[Date "2016.07.11"]
[Round "4"]
[White "Moulie, Patrick"]
[Black "Jonker, Jan"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1611"]
[BlackElo "1380"]
[PlyCount "115"]
[EventDate "2016.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e6 2. f4 d5 3. e5 c5 4. Bb5+ Bd7 5. Qe2 a6 6. Bxd7+ Nxd7 7. Nf3 Nh6 8. d3 Nf5 9. c3 Be7 10. 0-0 0-0 11. Nbd2 Qb6 12. g4 c4+ 13. d4 Nh4 14. Nxh4 Bxh4 15. g5 f6 16. gxf6 Nxf6 17. exf6 Rxf6 18. Nf3 Rg6+ 19. Kh1 Bf6 20. Ne5 Bxe5 21. fxe5 Rf8 22. Rxf8+ Kxf8 23. Qf2+ Kg8 24. Be3 Qd8 25. Rf1 Qe8 26. h4 Rg4 27. Rg1 Qh5 28. Rxg4 Qxg4 29. Kh2 Qf5 30. Qg2 Qb1 31. Bh6 g6 32. Qf2 Qf5 33. Qg2 Kf7 34. Bg5 Ke8 35. Bf6 Kd7 36. a3 b5 37. Qd2 Qh5 38. Kg3 Kc6 39. Bd8 Kd7 40. Qg5 Qxg5+ 41. Bxg5 Kc6 42. Kg4 a5 43. Be7 Kd7 44. Bd6 Ke8 45. Kg5 Kf7 46. Bc5 Kg7 47. Kg4 h6 48. Bb6 a4 49. Bc5 Kf7 50. h5 Kg7 51. hxg6 Kxg6 52. Be7 h5+ 53. Kh4 Kf5 54. Kxh5 Ke4 55. Kg6 Kd3 56. Kf6 Kc2 57. Kxe6 Kxb2 58. Bb4 1-0

[Event "Espalion op 1st"]
[Site "Espalion"]
[Date "2016.07.10"]
[Round "2"]
[White "Malart, Jacques"]
[Black "Jonker, Jan"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1687"]
[BlackElo "1380"]
[PlyCount "103"]
[EventDate "2016.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 Bb4 5. Bd2 Nf6 6. Nf3 0-0 7. a3 Qe7+ 8. Qe2 Qxe2+ 9. Bxe2 Be7 10. h3 Bf5 11. 0-0-0 Nbd7 12. g4 Be4 13. Rhe1 c5 14. Nxe4 dxe4 15. Ne5 cxd4 16. Nxd7 Nxd7 17. Bb5 Nc5 18. Bb4 Bg5+ 19. Kb1 Rfc8 20. Rxd4 a6 21. Bf1 Bh4 22. Re2 Bf6 23. Bxc5 Rxc5 24. Rdxe4 Kf8 25. R2e3 b5 26. f4 h6 27. Bd3 Bh4 28. Be2 a5 29. Re5 Rxe5 30. Rxe5 Bg3 31. Bxb5 Bxf4 32. Rf5 g5 33. Ka2 Ke7 34. Kb3 f6 35. Rd5 Bd6 36. c4 Ke6 37. Bd7+ Ke7 38. Bb5 Ke6 39. Rd3 Ke5 40. Rf3 Rf8 41. Rf5+ Ke4 42. Bc6+ Ke3 43. Rxa5 Kf4 44. Rd5 Be5 45. Kc2 Rc8 46. Bb5 f5 47. gxf5 Kxf5 48. Bd7+ Kf4 49. Bxc8 h5 50. a4 g4 51. hxg4 hxg4 52. Bxg4 1-0

[Event "Espalion op 1st"]
[Site "Espalion"]
[Date "2016.07.09"]
[Round "1"]
[White "Jonker, Jan"]
[Black "Brison, Lucas"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1380"]
[BlackElo "1856"]
[PlyCount "128"]
[EventDate "2016.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 Nf6 5. Bg5 Nbd7 6. cxd5 exd5 7. e3 Be7 8. Bd3 0-0 9. 0-0 Re8 10. Qc2 Nf8 11. Rfe1 Ne4 12. Bxe7 Qxe7 13. Nd2 Nxd2 14. Qxd2 Qg5 15. f4 Qf6 16. Bc2 Ng6 17. Qf2 Bf5 18. e4 Bxe4 19. Nxe4 dxe4 20. g3 Rad8 21. f5 Ne7 22. Rxe4 Nc8 23. Re5 Rxe5 24. dxe5 Qxe5 25. Bb3 Qd4 26. Qxd4 Rxd4 27. Rd1 Rxd1+ 28. Bxd1 f6 29. Kf2 Kf8 30. Bb3 Ke7 31. Ke3 Kd6 32. Bg8 h6 33. Kf4 Ne7 34. Be6 Nd5+ 35. Ke4 b6 36. h3 Nc7 37. Bc8 Nb5 38. g4 Kc5 39. Bd7 Nd6+ 40. Kd3 Nc4 41. Kc3 Ne5 42. Be8 Nf3 43. a4 Ng5 44. b4+ Kd6 45. h4 Nf3 46. b5 cxb5 47. Bxb5 Nxh4 48. Kd4 Nf3+ 49. Ke4 Nd2+ 50. Kf4 Nb1 51. Kg3 Nc3 52. Be8 a6 53. Kh4 Ke5 54. Kh5 Kf4 55. Kg6 Kxg4 56. Kxg7 Kg5 57. Bc6 b5 58. a5 Na4 59. Bd7 Nc5 60. Bc8 b4 61. Be6 b3 62. Bc4 b2 63. Ba2 h5 64. Bb1 h4 0-1

[Event "Mont de Marsan op 9th"]
[Site "Mont de Marsan"]
[Date "2012.12.28"]
[Round "5"]
[White "Jacquot, David"]
[Black "Jonker, Jan"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1870"]
[BlackElo "1514"]
[PlyCount "73"]
[EventDate "2012.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Bxf6 Qxf6 4. e4 e5 5. c3 exd4 6. cxd4 Bb4+ 7. Nc3 a6 8. Nf3 d6 9. Be2 Qf4 10. Qc2 0-0 11. 0-0 Bg4 12. Nd5 Qh6 13. Nxb4 Nd7 14. Ne1 Bxe2 15. Qxe2 Rae8 16. Nf3 f5 17. Qc4+ Rf7 18. exf5 Ref8 19. Rae1 Nf6 20. Re7 Qf4 21. Qxc7 Qxf5 22. Qxb7 Nd7 23. Rxf7 Rxf7 24. Qa8+ Nf8 25. Qxa6 Qg6 26. Qd3 Qh6 27. a4 Rb7 28. Qc3 Kh8 29. Qc8 Rf7 30. a5 Qg6 31. Qc3 h6 32. Qd3 Qh5 33. a6 Qa5 34. Nc6 Qc7 35. d5 Nd7 36. Re1 Nb6 37. Re8+ 1-0

[Event "EU-ch 12th"]
[Site "Aix les Bains"]
[Date "2011.04.02"]
[Round "11"]
[White "Oblin, Pierre"]
[Black "Jonker, Jan"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1856"]
[BlackElo "1575"]
[PlyCount "29"]
[EventDate "2011.03.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 d6 3. g3 Nf6 4. Bg2 Bd7 5. Bxb7 Bc6 6. Bxa8 Bxa8 7. Nf3 e4 8. Nh4 d5 9. a3 g6 10. f3 d4 11. c4 Bg7 12. Qa4+ Nc6 13. b5 Ne5 14. f4 c5 15. fxe5 1-0

[Event "EU-ch 12th"]
[Site "Aix les Bains"]
[Date "2011.04.01"]
[Round "10"]
[White "Jonker, Jan"]
[Black "Minot, Barbara"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "1575"]
[BlackElo "1430"]
[PlyCount "42"]
[EventDate "2011.03.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 Bxc3+ 5. bxc3 d5 6. Nf3 c6 7. e3 Nbd7 8. c5 0-0 9. Bd3 Qa5 10. Qc2 Ne4 11. Bxe4 dxe4 12. Nd2 f5 13. 0-0 b5 14. cxb6 Nxb6 15. Rfb1 Ba6 16. Be7 Rf7 17. Bb4 Qd5 18. Qb3 h5 19. Bc5 Rb7 20. Qxd5 exd5 21. Rb4 Bb5 1-0

[Event "EU-ch 12th"]
[Site "Aix les Bains"]
[Date "2011.03.31"]
[Round "9"]
[White "Maury, Claude"]
[Black "Jonker, Jan"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1882"]
[BlackElo "1575"]
[PlyCount "15"]
[EventDate "2011.03.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Nd2 d5 5. Bd3 Ba6 6. Bxa6 Nxa6 7. c3 c5 8. Qa4+ 1-0

[Event "EU-ch 12th"]
[Site "Aix les Bains"]
[Date "2011.03.30"]
[Round "8"]
[White "Jonker, Jan"]
[Black "Canonne, Antoine"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1575"]
[BlackElo "2020"]
[PlyCount "38"]
[EventDate "2011.03.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 Nc6 2. c4 e5 3. d5 Nce7 4. Nc3 Ng6 5. Nf3 Bc5 6. Ne4 Bb4+ 7. Bd2 Bxd2+ 8. Qxd2 f5 9. Ng3 d6 10. e4 N8e7 11. Bd3 0-0 12. h4 Nf4 13. Rh2 Qe8 14. Bc2 b6 15. Ne2 fxe4 16. Bxe4 Bg4 17. Ng5 Bxe2 18. Bxh7+ Kh8 19. Ne6 Nxe6 0-1

[Event "EU-ch 12th"]
[Site "Aix les Bains"]
[Date "2011.03.28"]
[Round "7"]
[White "Mutzel, Annabelle"]
[Black "Jonker, Jan"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1575"]
[PlyCount "28"]
[EventDate "2011.03.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 d5 3. d3 Nf6 4. f4 Nc6 5. fxe5 Nxe5 6. d4 Ned7 7. Qd3 c6 8. Qe3+ Be7 9. Nh3 0-0 10. 0-0 Nb6 11. Nf4 Bf5 12. c3 Re8 13. Bf3 Bd6 14. Nh5 Rxe3 0-1

[Event "EU-ch 12th"]
[Site "Aix les Bains"]
[Date "2011.03.26"]
[Round "5"]
[White "Gorse, Gerard"]
[Black "Jonker, Jan"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2050"]
[BlackElo "1575"]
[PlyCount "37"]
[EventDate "2011.03.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Nc3 Nf6 4. Bg2 Bb4 5. Nd5 0-0 6. e3 d6 7. Ne2 Nxd5 8. cxd5 Ne7 9. 0-0 Bf5 10. d4 Qd7 11. e4 Bg4 12. f3 Bh3 13. Bxh3 Qxh3 14. Qa4 a5 15. a3 exd4 16. axb4 axb4 17. Qxa8 Rxa8 18. Rxa8+ Nc8 19. g4 1-0

[Event "EU-ch 12th"]
[Site "Aix les Bains"]
[Date "2011.03.26"]
[Round "1"]
[White "Jonker, Jan"]
[Black "Potapov, Pavel"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1575"]
[BlackElo "2474"]
[PlyCount "33"]
[EventDate "2011.03.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. e3 0-0 6. Be2 d6 7. 0-0 h6 8. Bxf6 Bxf6 9. Nd5 Bg7 10. Nf4 Kh7 11. h3 e5 12. dxe5 dxe5 13. Qxd8 Rxd8 14. Nxg6 Kxg6 15. Nh4+ Kh7 16. Rad1 Rxd1 17. Rxd1 0-1

[Event "EU-ch 12th"]
[Site "Aix les Bains"]
[Date "2011.03.25"]
[Round "4"]
[White "Vitasse, Marie Francoise"]
[Black "Jonker, Jan"]
[Result "0-1"]
[ECO "A48"]
[BlackElo "1575"]
[PlyCount "24"]
[EventDate "2011.03.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Be2 d6 6. h3 Bf5 7. Nh4 Be4 8. Nd2 b6 9. Nxe4 Nxe4 10. c3 e5 11. Bg3 Nxg3 12. fxg3 e4 0-1

[Event "EU-ch 12th"]
[Site "Aix les Bains"]
[Date "2011.03.24"]
[Round "3"]
[White "Jonker, Jan"]
[Black "Charvin, Olivier"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1575"]
[BlackElo "2054"]
[PlyCount "18"]
[EventDate "2011.03.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e5 4. cxd5 cxd5 5. dxe5 d4 6. Ne4 Qa5+ 7. Bd2 Qxe5 8. Qc2 Bf5 9. Qa4+ b5 0-1

[Event "EU-ch 12th"]
[Site "Aix les Bains"]
[Date "2011.03.23"]
[Round "2"]
[White "Hamiti, Gani"]
[Black "Jonker, Jan"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2254"]
[BlackElo "1575"]
[PlyCount "63"]
[EventDate "2011.03.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 cxd4 7. cxd4 Qb6 8. 0-0 Nxd4 9. Nxd4 Qxd4 10. Nc3 Qxe5 11. Re1 Qd6 12. Nb5 Bxb5 13. Bxb5+ Kd8 14. Bg5+ Be7 15. Qg4 Nf6 16. Qf3 Rc8 17. Rad1 Rc5 18. Ba4 h6 19. Bf4 Qa6 20. Bb3 Ke8 21. Be5 h5 22. h3 h4 23. Rd4 b5 24. a4 Qa5 25. Qe2 a6 26. Rdd1 bxa4 27. Ra1 Qb4 28. Bxa4+ Kf8 29. Bc2 Ra5 30. Bc3 Rxa1 31. Bxb4 Rxe1+ 32. Qxe1 1-0

[Event "Cap d'Agde CCAS op"]
[Site "Cap d'Agde"]
[Date "2010.10.25"]
[Round "3"]
[White "Bandet, Raphael"]
[Black "Jonker, Jan"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1751"]
[BlackElo "1610"]
[PlyCount "98"]
[EventDate "2010.10.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. c4 c5 6. Nc3 cxd4 7. Nxd4 Bc5 8. cxd5 0-0 9. Bc4 Ng4 10. 0-0 Qf6 11. Nf3 Re8 12. h3 Ne5 13. Nxe5 Qxe5 14. Bd2 Bd6 15. g3 Qd4 16. Bb5 Bd7 17. Bxd7 Nxd7 18. Qg4 Qxg4 19. hxg4 a6 20. Rfe1 Ne5 21. Kg2 Nd3 22. Rxe8+ Rxe8 23. b3 f6 24. Rd1 Kf7 25. Be3 Ne5 26. Ne4 Ba3 27. d6 Nxg4 28. Bc5 Bxc5 29. Nxc5 Rd8 30. Nxb7 Rd7 31. Rc1 Ne5 32. f4 Nd3 33. Rc7 Ke6 34. Kf3 Rxc7 35. dxc7 Kd7 36. Nd6 Kxc7 37. Ne8+ Kc6 38. a3 a5 39. Nxg7 Kd5 40. Nh5 Ke6 41. Ke3 Nc5 42. b4 axb4 43. axb4 Nd7 44. Ke4 Kf7 45. Kd5 Kg6 46. Kd6 Nb6 47. g4 f5 48. gxf5+ Kxh5 49. b5 Kg4 1-0

[Event "Guernsey Holiday op"]
[Site "Guernsey"]
[Date "2002.10.26"]
[Round "7"]
[White "Kok, Frans"]
[Black "Jonker, Jan"]
[Result "1/2-1/2"]
[ECO "E00"]
[WhiteElo "1723"]
[BlackElo "1641"]
[PlyCount "66"]
[EventDate "2002.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GCI"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. a3 c5 4. dxc5 Bxc5 5. e3 Be7 6. Bd3 0-0 7. Nc3 e5 8. Nge2 d6 9. h3 Be6 10. f4 Qc8 11. b3 Nc6 12. Ng3 exf4 13. exf4 g6 14. Bb2 Ne8 15. Be4 Bh4 16. Qf3 Nd4 17. Qd3 Nc2+ 18. Qxc2 Bxg3+ 19. Kd1 Bxf4 20. Nd5 Bxd5 21. Bxd5 Nc7 22. Bf3 Re8 23. Re1 Rxe1+ 24. Kxe1 Qe6+ 25. Kf1 Re8 26. Bxb7 Bg3 27. Bc3 Qe3 28. Rd1 Ne6 29. Rd3 Qb6 30. Bd5 Bh2 31. Qf2 Qxb3 32. Qb2 Qxb2 33. Bxb2 Nc5 1/2-1/2

[Event "Guernsey Holiday op"]
[Site "Guernsey"]
[Date "2002.10.25"]
[Round "6"]
[White "Jonker, Jan"]
[Black "Foster, Paul"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1641"]
[BlackElo "1456"]
[PlyCount "113"]
[EventDate "2002.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GCI"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 Qxd5 4. Nc3 Qa5 5. Bd3 Nf6 6. Nge2 Bg4 7. f3 Bh5 8. Bd2 Qc7 9. Bf4 Qa5 10. Qd2 Nbd7 11. Bg3 e6 12. Ne4 Qxd2+ 13. Nxd2 Bg6 14. Nf4 Bxd3 15. Nxd3 Be7 16. Nc4 a5 17. Nd6+ Bxd6 18. Bxd6 b5 19. 0-0 Nd5 20. Rfe1 f6 21. Rxe6+ Kf7 22. Rae1 Rhe8 23. Rxe8 Rxe8 24. Rxe8 Kxe8 25. Kf2 Kf7 26. c3 Ke6 27. Bg3 g5 28. h4 h6 29. hxg5 hxg5 30. Bh2 Ne7 31. g4 Nd5 32. Ke2 Ne7 33. Ke3 Kd5 34. b3 c5 35. dxc5 Nxc5 36. Nb2 Nc6 37. c4+ bxc4 38. Nxc4 Ke6 39. Bd6 Nb7 40. Ba3 f5 41. gxf5+ Kxf5 42. Nd6+ Nxd6 43. Bxd6 Nd8 44. Kd4 Nc6+ 45. Kc4 Ne5+ 46. Bxe5 Kxe5 47. Kd3 Kd5 48. a3 Ke5 49. Ke3 Kd5 50. Kd2 Kd4 51. b4 a4 52. Kc2 Kc4 53. Kd1 Kd4 54. Kd2 Kc4 55. Ke3 Kd5 56. Kd3 Kc6 57. Ke4 1-0

[Event "Guernsey Holiday op"]
[Site "Guernsey"]
[Date "2002.10.24"]
[Round "5"]
[White "Kaye, Michael J"]
[Black "Jonker, Jan"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "1400"]
[BlackElo "1641"]
[PlyCount "51"]
[EventDate "2002.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GCI"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 e6 3. Bd3 c5 4. c3 b6 5. Nd2 Bb7 6. Ngf3 Be7 7. Qe2 0-0 8. 0-0 d5 9. Ne5 Ne4 10. f4 f5 11. Ndf3 a5 12. a4 c4 13. Bc2 Bc6 14. Nxc6 Nxc6 15. Ne5 Na7 16. Bd2 Qe8 17. Rfb1 Nc8 18. b3 cxb3 19. Bxb3 Bd8 20. Be1 Ncd6 21. c4 dxc4 22. Nxc4 Nxc4 23. Bxc4 Nd6 24. Bd3 Ra7 25. Ra2 Qd7 26. Qf3 1/2-1/2

[Event "Guernsey Holiday op"]
[Site "Guernsey"]
[Date "2002.10.23"]
[Round "4"]
[White "Jonker, Jan"]
[Black "Biswas, Krishnapada"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "1641"]
[BlackElo "1544"]
[PlyCount "72"]
[EventDate "2002.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GCI"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 Nf6 3. exd5 Nxd5 4. d4 e6 5. Nf3 Bb4 6. Bd2 0-0 7. a3 Nxc3 8. bxc3 Be7 9. Bd3 c5 10. 0-0 Nc6 11. Be3 b6 12. Be4 Bb7 13. Qd3 f5 14. Bxc6 Bxc6 15. Qe2 Bxf3 16. Qxf3 Qd5 17. Qg3 Bd6 18. Bf4 Rad8 19. Rfd1 c4 20. Re1 Bxf4 21. Qxf4 Qc6 22. a4 Rd6 23. Qe5 Qd5 24. h3 f4 25. f3 Rf5 26. Qe4 Qxe4 27. Rxe4 g5 28. Rb1 a5 29. Rbe1 Kf7 30. Re5 Rxe5 31. Rxe5 Rd5 32. Re1 h5 33. Re4 h4 34. Kf2 Ke7 35. Ke1 Kd6 36. Kf2 Ke7 1/2-1/2

[Event "Guernsey Holiday op"]
[Site "Guernsey"]
[Date "2002.10.22"]
[Round "3"]
[White "Carrick, Peter"]
[Black "Jonker, Jan"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1304"]
[BlackElo "1641"]
[PlyCount "140"]
[EventDate "2002.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GCI"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. Nbd2 c5 5. e3 b6 6. c3 Bb7 7. Bd3 0-0 8. 0-0 d5 9. Ne5 Ne4 10. Bxe7 Qxe7 11. f4 f5 12. Ndf3 Ba6 13. Bxa6 Nxa6 14. Nc6 Qe8 15. Nce5 Rc8 16. a3 Nc7 17. Nd2 Nf6 18. Ndf3 Na6 19. Ng5 Rc7 20. Rf3 h6 21. Nh3 Ne4 22. Nf2 Nb8 23. Nxe4 fxe4 24. Rg3 Rf6 25. Qg4 cxd4 26. cxd4 Qb5 27. b4 Kh7 28. h4 Qe8 29. Kh2 Qe7 30. h5 Nc6 31. Nxc6 Rxc6 32. Qe2 Rc4 33. Ra2 Qc7 34. Qg4 Qf7 35. Qe2 Rf5 36. Rh3 Qc7 37. g4 Rf7 38. Qg2 Rc1 39. g5 Rf5 40. gxh6 Rf6 41. hxg7 Qxg7 42. Qxg7+ Kxg7 43. Rg2+ Kh7 44. Rhg3 Rc7 45. Kh3 Rh6 46. Kh4 Rf7 47. Rg6 Re7 48. Rxh6+ Kxh6 49. Rg6+ Kh7 50. Kg5 Kh8 51. Kf6 Rh7 52. h6 Rc7 53. Kg5 Re7 54. Rf6 Kh7 55. Rg6 Kh8 56. Kf6 Rc7 57. Rg7 Rc3 58. Kxe6 Rxe3 59. f5 Rf3 60. Kf6 Rh3 61. Kg6 Rg3+ 62. Kf6 Rh3 63. Kg6 Rh4 64. Rxa7 Rg4+ 65. Kf6 e3 66. Rf7 e2 67. Rf8+ Kh7 68. Rf7+ Kg8 69. Rg7+ Kh8 70. h7 e1Q 0-1

[Event "Guernsey Holiday op"]
[Site "Guernsey"]
[Date "2002.10.21"]
[Round "2"]
[White "Jonker, Jan"]
[Black "Herschmann, Heinz"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1641"]
[BlackElo "1320"]
[PlyCount "102"]
[EventDate "2002.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GCI"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bc4 0-0 7. 0-0 Bd7 8. Re1 Nc6 9. f3 Ne5 10. Bb3 h6 11. a3 a6 12. h3 Ng6 13. Be3 Nh5 14. Qd2 Kh7 15. Nf5 Bg5 16. Bxg5 Qxg5 17. Qxg5 hxg5 18. Ne3 Nhf4 19. Ncd5 Rac8 20. Rad1 Ne5 21. Rf1 Ne6 22. c4 Nc5 23. Bc2 Ne6 24. f4 gxf4 25. Nxf4 Nxf4 26. Rxf4 g5 27. Rf2 Kg7 28. Nf5+ Bxf5 29. Rxf5 f6 30. b3 Rce8 31. Rdf1 Nc6 32. Rd5 Ne5 33. Bd1 Rh8 34. Kf2 Re7 35. Bf3 Rh4 36. Kg3 b6 37. Rdd1 Nd7 38. b4 Ne5 39. Rc1 Nd7 40. Bg4 Ne5 41. Bf5 Rh8 42. Rfd1 b5 43. c5 dxc5 44. Rxc5 c6 45. a4 Rf8 46. axb5 axb5 47. Rcc1 Ra8 48. Ra1 Rxa1 49. Rxa1 Nd3 50. Rb1 Ra7 51. Rb3 Ne5 1/2-1/2

[Event "Guernsey Holiday op"]
[Site "Guernsey"]
[Date "2002.10.20"]
[Round "1"]
[White "Bisson, John"]
[Black "Jonker, Jan"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "1365"]
[BlackElo "1641"]
[PlyCount "122"]
[EventDate "2002.10.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GCI"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. c3 b6 5. Bd3 Bb7 6. Nbd2 Be7 7. 0-0 cxd4 8. exd4 Ba6 9. Bxa6 Nxa6 10. Re1 Nc7 11. a3 0-0 12. Qc2 d5 13. Ne5 Bd6 14. Ndf3 Ne4 15. h3 f6 16. Ng4 Rc8 17. Ngh2 Qd7 18. Nf1 Ne8 19. Rxe4 dxe4 20. Qxe4 Bb8 21. Bd2 Nd6 22. Qe2 Rce8 23. Re1 Qb5 24. Qxb5 Nxb5 25. Ne3 Kf7 26. Nc4 Rc8 27. Ne3 Rfd8 28. Ng4 h5 29. Ne3 Nd6 30. Nd1 Nc4 31. Bc1 b5 32. Kf1 Nb6 33. Re4 e5 34. Ne3 exd4 35. Nxd4 Re8 36. Rxe8 Rxe8 37. Nxb5 a6 38. Nd4 Bf4 39. g3 Bxe3 40. fxe3 Nc4 41. Kf2 Nd6 42. Kf3 g6 43. Kf4 Nc4 44. Kf3 Ne5+ 45. Ke2 Rc8 46. Kd2 Rd8 47. Ke2 f5 48. h4 Ke7 49. e4 Rf8 50. exf5 gxf5 51. Bg5+ Kd7 52. Bf4 Nc4 53. Bc1 Nd6 54. Ke3 Re8+ 55. Kf4 Re4+ 56. Kg5 Rg4+ 57. Kxh5 Rxg3 58. Bf4 Rg2 59. Bxd6 Kxd6 60. Nxf5+ Ke5 61. Ne3 Rxb2 1-0

[Event "NED-ch M corr"]
[Site "Netherlands"]
[Date "1996.??.??"]
[Round "?"]
[White "Van der Kemp, Michel"]
[Black "Jonker, Jan"]
[Result "1-0"]
[ECO "B19"]
[PlyCount "63"]
[EventDate "1996.??.??"]
[EventType "swiss (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Qc7 11. Rh4 e6 12. Bf4 Bd6 13. Bxd6 Qxd6 14. Ne4 Qb4+ 15. Qc3 Qe7 16. Qa3 Qxa3 17. bxa3 b6 18. Nd6+ Ke7 19. Ne5 f6 20. Ng6+ Kxd6 21. Nxh8 Ne7 22. Ng6 Nxg6 23. hxg6 Nf8 24. Kd2 Ke7 25. c4 Nxg6 26. Re4 Rd8 27. Kc3 Kf7 28. Rae1 e5 29. dxe5 fxe5 30. R1e3 c5 31. Rf3+ Ke6 32. Rg4 1-0

[Event "Sao Paulo Latin America Cup open"]
[Site "Sao Paulo"]
[Date "1991.09.??"]
[Round "1"]
[White "Guimaraes, Wagner Peixoto"]
[Black "Jonker, Jan"]
[Result "1-0"]
[ECO "E76"]
[WhiteElo "2260"]
[PlyCount "35"]
[EventDate "1991.09.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c6 7. Be2 Re8 8. e5 dxe5 9. fxe5 Ng4 10. 0-0 Bh6 11. Ng5 f5 12. Bxg4 fxg4 13. Nf7 Qd7 14. Nxh6+ Kg7 15. Rf7+ Kh8 16. Qf1 Qxd4+ 17. Kh1 Nd7 18. Rxh7+ 1-0

[Event "Sao Paulo Latin America Cup open"]
[Site "Sao Paulo"]
[Date "1991.09.??"]
[Round "8"]
[White "Jonker, Jan"]
[Black "Barbosa da Silva, Wilson"]
[Result "0-1"]
[ECO "A07"]
[PlyCount "132"]
[EventDate "1991.09.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Nbd7 4. 0-0 e6 5. b3 b6 6. c4 c6 7. Bb2 Bb7 8. a4 Be7 9. Na3 0-0 10. cxd5 cxd5 11. Rc1 a6 12. Nc2 Rc8 13. Ne5 Nxe5 14. Bxe5 Nd7 15. Bc3 Rc7 16. Nb4 f6 17. Na2 Qb8 18. b4 Rfc8 19. Bh3 f5 20. e3 Bf6 21. d4 g6 22. Qb3 Bg7 23. e4 Nf6 24. f3 Rc4 25. Rfd1 dxe4 26. fxe4 Bxe4 27. Bf1 R4c6 28. Bxa6 Bd5 29. Qb2 Rf8 30. Bd2 Qa8 31. Bb5 Rxc1 32. Rxc1 Rc8 33. Nc3 Qb7 34. Nxd5 Nxd5 35. Re1 Kf7 36. Bf1 Rc7 37. Bg2 Qc8 38. Bxd5 exd5 39. Bf4 Rc2 40. Qb3 Bxd4+ 41. Kh1 Qc4 42. Qxc4 dxc4 43. Rc1 Rxc1+ 44. Bxc1 Ke6 45. Kg2 Kd5 46. Kf3 c3 47. a5 bxa5 48. bxa5 Kc6 49. a6 Kb6 50. a7 Kxa7 51. Be3 Bxe3 52. Kxe3 c2 53. Kd2 c1Q+ 54. Kxc1 Kb6 55. Kd2 Kc5 56. Ke3 g5 57. h3 Kd5 58. h4 h6 59. h5 Ke5 60. Kd3 f4 61. g4 Kd5 62. Ke2 Ke4 63. Kf2 f3 64. Kg3 Ke3 65. Kh2 Ke2 66. Kg3 f2 0-1

[Event "Sao Paulo Latin America Cup open"]
[Site "Sao Paulo"]
[Date "1991.09.??"]
[Round "2"]
[White "Jonker, Jan"]
[Black "Frare, Luiz Sergio"]
[Result "0-1"]
[ECO "A57"]
[PlyCount "108"]
[EventDate "1991.09.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 g6 6. Nc3 Bg7 7. d6 e6 8. Nf3 0-0 9. bxa6 Nxa6 10. Nb5 Bb7 11. Be2 Qb6 12. 0-0 Rfb8 13. Ne5 Nb4 14. a3 Nc6 15. f4 Nxe5 16. fxe5 Ne8 17. Nc7 Nxc7 18. dxc7 Qxc7 19. Qd6 Bxe5 20. Qxc7 Bxc7 21. Bd2 Be5 22. Bc1 Bd5 23. Bf3 Bxf3 24. gxf3 Bxb2 25. Ra2 Bxc1 26. Rxc1 Ra4 27. e4 Rb3 28. Kg2 Raxa3 29. Rxa3 Rxa3 30. Rxc5 Ra2+ 31. Kg3 Rd2 32. h4 h5 33. Kf4 Kg7 34. Rc7 Rd1 35. e5 Rd4+ 36. Kg5 d6 37. exd6 Rxd6 38. Re7 Rd5+ 39. Kf4 Kf6 40. Re8 Rd4+ 41. Kg3 Kf5 42. Re7 f6 43. Rb7 e5 44. Rb5 Rd3 45. Rb4 g5 46. hxg5 fxg5 47. Rb8 g4 48. Rf8+ Kg6 49. Rg8+ Kf7 50. Rg5 Rxf3+ 51. Kg2 Rh3 52. Rxe5 Kg6 53. Ra5 Rf3 54. Rb5 Rf5 0-1

[Event "Sao Paulo Latin America Cup open"]
[Site "Sao Paulo"]
[Date "1991.09.??"]
[Round "4"]
[White "Jonker, Jan"]
[Black "Russo, Guilherme Matheus"]
[Result "0-1"]
[ECO "D31"]
[PlyCount "76"]
[EventDate "1991.09.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. f4 e6 5. e3 Nbd7 6. Nf3 Be7 7. Bd3 0-0 8. Qc2 c5 9. h3 cxd4 10. exd4 dxc4 11. Bxc4 a6 12. a3 b5 13. Bd3 Bb7 14. Ng5 g6 15. Be3 Rc8 16. 0-0 Nb6 17. Qe2 Nbd5 18. Nce4 Nxe3 19. Qxe3 Nd5 20. Qf2 h6 21. Nf3 Nxf4 22. Ne5 Nxd3 23. Nf6+ Bxf6 24. Qxf6 Qxf6 25. Rxf6 Nxe5 26. dxe5 Rc2 27. Rf2 Rfc8 28. Raf1 Rxf2 29. Rxf2 Rc1+ 30. Kh2 Kf8 31. Rd2 Bd5 32. h4 Re1 33. Rc2 Rxe5 34. Rc8+ Kg7 35. Rc3 Re2 36. Rg3 Rxb2 37. h5 Rb3 38. Rxb3 Bxb3 0-1

[Event "Sao Paulo Latin America Cup open"]
[Site "Sao Paulo"]
[Date "1991.09.??"]
[Round "10"]
[White "Jonker, Jan"]
[Black "Tasso, Arquimedes"]
[Result "0-1"]
[ECO "E20"]
[PlyCount "90"]
[EventDate "1991.09.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 0-0 5. Qc2 d5 6. Nf3 Nc6 7. cxd5 exd5 8. a3 Bxc3 9. bxc3 Re8 10. Bf4 Ne4 11. e3 f6 12. h3 Ne7 13. c4 c6 14. Nd2 Ng6 15. Bh2 Bf5 16. Nxe4 dxe4 17. Qc3 Qe7 18. a4 Bd7 19. c5 Be6 20. Bd6 Qf7 21. Be2 Ne7 22. 0-0 Nd5 23. Qc2 Qg6 24. Bg3 Nxe3 25. fxe3 Qxg3 26. Bc4 Qxe3+ 27. Kh1 Bd5 28. Rad1 Qg5 29. Rde1 Bxc4 30. Qxc4+ Qd5 31. Qc3 Rad8 32. Rf4 f5 33. Qb2 Re7 34. Rd1 g5 35. Rff1 Rf8 36. Qe2 Qf7 37. Rf2 h5 38. Rdf1 f4 39. g3 f3 40. Qe3 Qg7 41. h4 g4 42. Qg5 Qxg5 43. hxg5 Kg7 44. a5 Rf5 45. Rb1 e3 0-1

[Event "Sao Paulo Latin America Cup open"]
[Site "Sao Paulo"]
[Date "1991.09.??"]
[Round "3"]
[White "Leite, Jaazziel"]
[Black "Jonker, Jan"]
[Result "1/2-1/2"]
[ECO "C04"]
[PlyCount "137"]
[EventDate "1991.09.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Bd7 5. Bd3 Nb4 6. Be2 c5 7. c3 Nc6 8. exd5 exd5 9. dxc5 Bxc5 10. Nb3 Qb6 11. Nxc5 Qxc5 12. 0-0 0-0-0 13. Be3 Qd6 14. Ng5 Nh6 15. Bf3 f6 16. Ne4 Qe5 17. Nc5 g5 18. Bxd5 Ng4 19. g3 Nxe3 20. Qb3 b6 21. Nxd7 Qxd5 22. Nxb6+ axb6 23. fxe3 Qxb3 24. axb3 Rhf8 25. b4 Kb7 26. b5 Na5 27. Ra4 Ra8 28. Rd4 Rf7 29. Rd6 Raf8 30. Ra1 Nc4 31. Rc6 Nxe3 32. Ra6 Nd5 33. Rd6 Nc7 34. Rdxb6+ Kc8 35. Rc6 Kb7 36. Rcb6+ Kc8 37. Ra7 Nd5 38. Rc6+ Kb8 39. Raa6 Ra7 40. Rd6 Rxa6 41. bxa6 Nc7 42. Rb6+ Kc8 43. a7 Kd7 44. Rb8 Rc8 45. b4 Na8 46. Rb7+ Rc7 47. Rb8 Rxa7 48. Rh8 Ke6 49. Kf2 Nb6 50. Ke3 Rd7 51. Ke4 f5+ 52. Kf3 g4+ 53. Ke2 Nd5 54. Re8+ Kf7 55. Rc8 Rc7 56. Rxc7+ Nxc7 57. c4 Ke6 58. Kd3 h5 59. b5 Kd6 60. Kd4 Ne6+ 61. Kd3 Kc5 62. Ke3 Kxc4 63. b6 Nd8 64. Kf4 Kc5 65. Kxf5 Kxb6 66. Kg5 Nf7+ 67. Kxh5 Ne5 68. Kh4 Kc5 69. h3 1/2-1/2

[Event "Sao Paulo Latin America Cup open"]
[Site "Sao Paulo"]
[Date "1991.09.??"]
[Round "5"]
[White "Martins, Alexandre M"]
[Black "Jonker, Jan"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "44"]
[EventDate "1991.09.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 c5 4. Nf3 a6 5. Be2 Nc6 6. Be3 Qb6 7. b3 cxd4 8. Nxd4 Bb4 9. Qd2 dxe4 10. Nxc6 Qxc6 11. Bd4 Nf6 12. 0-0 b5 13. a3 Bb7 14. Qe3 Bxc3 15. Qxc3 0-0 16. Qxc6 Bxc6 17. Bxf6 gxf6 18. c4 Kh8 19. cxb5 axb5 20. Rfc1 Bd5 21. Bxb5 Bxb3 22. Bc6 Rfc8 1-0

[Event "NED moira corr"]
[Site "Netherlands"]
[Date "1988.??.??"]
[Round "?"]
[White "Jonker, Jan"]
[Black "De Jong, Peter JJ"]
[Result "0-1"]
[ECO "B24"]
[PlyCount "70"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Nge2 Nge7 7. 0-0 0-0 8. f4 d5 9. g4 d4 10. Nb1 f5 11. gxf5 exf5 12. e5 Be6 13. Nd2 Bd5 14. Nf3 Qd7 15. a3 Nd8 16. c3 dxc3 17. bxc3 Ne6 18. d4 Rfd8 19. Be3 cxd4 20. cxd4 Nc6 21. Rb1 Be4 22. Rb2 Na5 23. Nc3 Nc4 24. Nxe4 Nxe3 25. Qb1 fxe4 26. Rxb7 Qe8 27. Qxe4 Nxf1 28. Bxf1 Kh8 29. Bb5 Qf8 30. Ng5 Nxg5 31. fxg5 Rac8 32. Bc6 Qxa3 33. d5 Qc1+ 34. Kg2 Qxg5+ 35. Kh3 Bxe5 0-1

