[Event "Dieren op"]
[Site "Dieren"]
[Date "2013.08.01"]
[Round "9"]
[White "Jonker, Fred"]
[Black "Wempe, Joost"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2141"]
[BlackElo "2271"]
[PlyCount "133"]
[EventDate "2013.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 c5 6. c3 Nc6 7. Ne2 Be7 8. 0-0 0-0 9. Bf4 cxd4 10. Nxd4 Nxd4 11. Qxd4 Nd5 12. Be5 f6 13. Bg3 Qb6 14. Qxb6 Nxb6 15. a4 Nc4 16. a5 Nd6 17. c4 e5 18. Bd5+ Kh8 19. f4 e4 20. Nc3 f5 21. Bf2 a6 22. Na4 Rb8 23. Ba7 Ra8 24. Bd4 Bd7 25. Rfd1 Bc6 26. Nc5 Bxd5 27. cxd5 Rfc8 28. b4 Kg8 29. Rac1 g6 30. Be5 Rc7 31. Ne6 Rxc1 32. Rxc1 Rc8 33. Nc5 e3 34. Bd4 Ne4 35. Bxe3 Rd8 36. Nxb7 Rxd5 37. Nc5 Bxc5 38. bxc5 Kf7 39. c6 Nd6 40. Bb6 Ke6 41. Re1+ Ne4 42. Rc1 Nd6 43. Kf2 Rd3 44. Ke2 Rd5 45. Rc3 Nb5 46. Rc4 Nd6 47. Rc1 Nc8 48. h3 Kd6 49. g4 Rb5 50. c7 Rb3 51. gxf5 gxf5 52. Rg1 Kc6 53. Rg8 Kb7 54. h4 Rb4 55. Ke3 Re4+ 56. Kf3 Rc4 57. h5 Rc3+ 58. Kf2 Rh3 59. Rf8 Rxh5 60. Kg3 Rh6 61. Kg2 Rc6 62. Kf3 Rc3+ 63. Ke2 Rc4 64. Ke3 Re4+ 65. Kf3 Rb4 66. Kg3 Rc4 67. Kf3 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2013.07.31"]
[Round "8"]
[White "Zwirs, Nico"]
[Black "Jonker, Fred"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2250"]
[BlackElo "2141"]
[PlyCount "79"]
[EventDate "2013.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. cxd5 Bg7 7. Bb5+ Bd7 8. Bc4 0-0 9. Qb3 Bf5 10. Qxb7 Nbd7 11. Bf4 Rc8 12. Bb3 Qa5 13. Qb5 Qd8 14. Nf3 Nb6 15. Ne5 Ne4 16. 0-0 Rxc3 17. bxc3 Nxc3 18. Qa6 Nbxd5 19. Bg3 Nc7 20. Qc4 Qxd4 21. Nc6 Qxc4 22. Nxe7+ Kh8 23. Bxc4 Be6 24. Bxe6 Nxe6 25. Kh1 a5 26. Nc6 a4 27. Be5 Rc8 28. Bxg7+ Kxg7 29. Nb4 Rb8 30. Rac1 Ne2 31. Rc4 a3 32. g3 Rd8 33. Re1 N2d4 34. Rd1 Kf6 35. Nc2 Ke5 36. Nxa3 Ra8 37. Nc2 Kd5 38. Rcxd4+ Nxd4 39. Rxd4+ Kc5 40. a4 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2013.07.30"]
[Round "7"]
[White "Jonker, Fred"]
[Black "Schouten, Nico"]
[Result "1-0"]
[ECO "C80"]
[WhiteElo "2141"]
[BlackElo "2222"]
[PlyCount "79"]
[EventDate "2013.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nxd2 10. Qxd2 Qd7 11. a4 Rb8 12. Rd1 Ne7 13. axb5 axb5 14. Nd4 c6 15. Ra6 Rc8 16. Qe2 Qb7 17. Ra1 Nf5 18. Nxe6 fxe6 19. g4 Nh4 20. Bf4 Bc5 21. Bg3 Qe7 22. c3 0-0 23. Bc2 Rf7 24. b4 Bb6 25. Ra6 Rb8 26. Rda1 Nf3+ 27. Kg2 Rff8 28. Rd1 Qb7 29. Rda1 Qf7 30. Rf1 Qd7 31. Rd1 g6 32. Rd3 Ng5 33. Rd1 Qb7 34. Rda1 Nf3 35. h4 Rf7 36. R6a2 Rbf8 37. Ra6 Bxf2 38. Bxf2 Qe7 39. Rh1 Nxe5 40. Bc5 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2013.07.29"]
[Round "6"]
[White "Ratsma, Midas"]
[Black "Jonker, Fred"]
[Result "0-1"]
[ECO "D53"]
[WhiteElo "2036"]
[BlackElo "2141"]
[PlyCount "202"]
[EventDate "2013.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bg5 0-0 6. Qc2 a6 7. cxd5 Nxd5 8. Bxe7 Qxe7 9. Nxd5 exd5 10. e3 Nc6 11. Be2 Rb8 12. 0-0 Bg4 13. h3 Be6 14. a3 Na7 15. Ne5 f6 16. Nd3 Nc8 17. Nc5 c6 18. Bd3 f5 19. b4 Nd6 20. a4 Rbc8 21. Rab1 Bd7 22. Qb3 Kh8 23. b5 axb5 24. axb5 f4 25. bxc6 bxc6 26. Ba6 Ra8 27. exf4 Rxf4 28. Qe3 Rf7 29. Qxe7 Rxe7 30. Bb7 Rb8 31. Nxd7 Rxb7 32. Nb8 Rec7 33. Rfc1 Rc8 34. Rxb7 Nxb7 35. Nd7 Kg8 36. Nb6 Rc7 37. Nxd5 Rd7 38. Ne3 Rxd4 39. Rxc6 Nd6 40. Rc7 Ne8 41. Rb7 Rf4 42. g3 Rf7 43. Rb8 Rf8 44. Kg2 Nf6 45. Rb7 Rf7 46. Rb5 h6 47. Nf5 Kh7 48. Ra5 Ne4 49. f4 Nf6 50. Kf3 Rb7 51. Ne3 Rb3 52. Re5 Ra3 53. g4 Kg6 54. h4 Kf7 55. f5 Nd7 56. Rd5 Nf6 57. Rd4 g6 58. Kf4 g5+ 59. hxg5 hxg5+ 60. Kf3 Rb3 61. Ke2 Rb2+ 62. Kf1 Rb1+ 63. Kf2 Rb2+ 64. Kg1 Rb1+ 65. Kh2 Rb2+ 66. Kg3 Rb3 67. Kf3 Ra3 68. Rb4 Rxe3+ 69. Kf2 Re4 70. Rb7+ Re7 71. Rb4 Nd7 72. Ra4 Ne5 73. Kg2 Rc7 74. Kf2 Rc4 75. Ra7+ Kf6 76. Ra6+ Nc6 77. Kg3 Ke5 78. Ra8 Rc3+ 79. Kf2 Rd3 80. Rc8 Ne7 81. Re8 Rd7 82. Kg3 Ra7 83. Kf3 Kf6 84. Rb8 Ra3+ 85. Kf2 Nd5 86. Rg8 Nf4 87. Rf8+ Kg7 88. Rb8 Nd3+ 89. Kg2 Ne5 90. Rb7+ Kf8 91. Rb8+ Ke7 92. Rb7+ Kd6 93. Rg7 Nf3 94. Kg3 Nd2+ 95. Kh2 Ne4 96. Rg6+ Ke5 97. Re6+ Kf4 98. f6 Ra2+ 99. Kg1 Ra8 100. Kf1 Rf8 101. Kg2 Nxf6 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2013.07.27"]
[Round "5"]
[White "Jonker, Fred"]
[Black "Tromp, Pieter"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2141"]
[BlackElo "2086"]
[PlyCount "127"]
[EventDate "2013.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Nf6 4. Bb5+ Nbd7 5. c4 a6 6. Bxd7+ Bxd7 7. Nf3 e6 8. Qe2 Qe7 9. dxe6 Bxe6 10. 0-0 Bg4 11. Qe3 0-0-0 12. h3 Be6 13. b3 Qd7 14. Bb2 Bd6 15. Ne5 Qc7 16. d4 Rhe8 17. Nd2 Nd7 18. Nxd7 Bxd7 19. Qf3 cxd4 20. Bxd4 Bc6 21. Qg4+ f5 22. Qxf5+ Kb8 23. Bc3 Rf8 24. Qg4 Rf4 25. Qg5 h6 26. Qg6 Rh4 27. Rfe1 Bh2+ 28. Kf1 Rd6 29. Qf5 Rf4 30. Qh5 Bg3 31. Re2 g6 32. Qxh6 Qf7 33. f3 Rxd2 34. Bxd2 Qf6 35. Rae1 Rxf3+ 36. Kg1 Bf2+ 37. Kh1 Bxe1 38. Bxe1 Rd3 39. Kg1 Rd1 40. Qe3 Ra1 41. Qf2 Qd6 42. Qe3 Ka8 43. Rd2 Qc7 44. h4 b5 45. cxb5 Bxb5 46. Kf2 Bc6 47. Rc2 Qd7 48. Rd2 Qf7+ 49. Kg1 Qa7 50. Qxa7+ Kxa7 51. Kf1 Be4 52. g3 Kb6 53. Ke2 Bb1 54. a4 Ra3 55. Rb2 Ra2 56. Rxa2 Bxa2 57. b4 a5 58. bxa5+ Ka7 59. Ke3 Bb1 60. Kd4 Bc2 61. Ke5 Bxa4 62. Kf6 Bc2 63. g4 Bb1 64. h5 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2013.07.26"]
[Round "4"]
[White "Beerdsen, Thomas"]
[Black "Jonker, Fred"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2071"]
[BlackElo "2141"]
[PlyCount "95"]
[EventDate "2013.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 Nf6 4. Nc3 dxe4 5. fxe4 e5 6. Nf3 exd4 7. Nxd4 Bc5 8. Be3 Ng4 9. Bg1 Qh4+ 10. g3 Qf6 11. Nf5 Bxg1 12. Qxg4 Bxf5 13. exf5 Bd4 14. Ne4 Qh6 15. c3 Be5 16. f6 0-0 17. Qxg7+ Qxg7 18. fxg7 Rd8 19. Bc4 b5 20. Bb3 Kxg7 21. Ng5 Rd7 22. 0-0 f6 23. Ne6+ Kh8 24. Rad1 a5 25. Nc5 Rxd1 26. Rxd1 Na6 27. Nxa6 Rxa6 28. Rd8+ Kg7 29. Rd7+ Kh8 30. Bc2 h6 31. Rh7+ Kg8 32. Rxh6 b4 33. Rh4 bxc3 34. bxc3 Bxc3 35. Rc4 Be5 36. Kg2 Rb6 37. Kf3 Kg7 38. Bb3 Kg6 39. Rc5 Ra6 40. Bc4 Bd6 41. Bd3+ Kf7 42. Rh5 Ra8 43. Be4 Ra6 44. Bd3 Ra8 45. Rh7+ Ke6 46. Ke4 Be5 47. g4 Rb8 48. Bc4+ 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2013.07.25"]
[Round "3"]
[White "Jonker, Fred"]
[Black "Van Liempt, Michael"]
[Result "1/2-1/2"]
[ECO "B27"]
[WhiteElo "2141"]
[BlackElo "1959"]
[PlyCount "220"]
[EventDate "2013.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 d5 5. e5 Nc6 6. Bb5 Bg7 7. Nc3 Nh6 8. h3 0-0 9. Nf3 Qb6 10. 0-0 Be6 11. Bf4 f6 12. exf6 exf6 13. Re1 Bf7 14. Qd2 Nf5 15. Bxc6 Qxc6 16. Rac1 Qd7 17. b3 Rac8 18. Qd3 g5 19. Bh2 Rfe8 20. Nb5 Rxe1+ 21. Rxe1 a6 22. Nc3 Bg6 23. Qd2 b5 24. Rc1 Bf8 25. Nd1 Ba3 26. Rxc8+ Qxc8 27. Kf1 Qc1 28. Qxc1 Bxc1 29. Nc3 Bf7 30. g4 Ne7 31. a4 bxa4 32. Nxa4 Ba3 33. Bc7 Nc6 34. Ke2 Bg6 35. Bb6 Bc2 36. Nc5 a5 37. Nb7 Bb4 38. Nd2 Kf7 39. Nd8+ Nxd8 40. Bxd8 Kg6 41. Bc7 h5 42. Bd8 h4 43. Bc7 Kf7 44. Bd8 Bc3 45. Bb6 Kg6 46. f3 f5 47. Bd8 f4 48. Bb6 Kf6 49. Bd8+ Kg6 50. Bb6 Kh7 51. Bd8 Kh6 52. Bb6 Kg6 53. Bd8 Kh6 54. Bb6 Bg6 55. Bc5 Be8 56. Bb6 Bb5+ 57. Ke1 Kg6 58. Bc5 Kf6 59. Bb6 Ke7 60. Bc5+ Kd7 61. Bb6 Bb4 62. Kd1 Ba6 63. Ke1 Bd3 64. Kd1 Bb5 65. Ke1 a4 66. bxa4 Bxa4 67. Ke2 Bb5+ 68. Ke1 Bd3 69. Kd1 Be7 70. Nb3 Kc6 71. Bc5 Bf6 72. Nc1 Bc4 73. Ne2 Bd8 74. Kd2 Ba6 75. Kd1 Kb5 76. Nc3+ Kc4 77. Kc2 Bf6 78. Ne2 Bb5 79. Kd2 Be8 80. Bb6 Bg6 81. Bc5 Bd8 82. Bd6 Bd3 83. Be5 Be7 84. Bg7 Bh7 85. Be5 Bg6 86. Bg7 Be8 87. Ng1 Kb3 88. Ne2 Kb2 89. Ke1 Kc2 90. Be5 Kd3 91. Kf2 Kd2 92. Bc7 Bb5 93. Ba5+ Kd3 94. Bb6 Bc4 95. Ba5 Bf6 96. Bb6 Kd2 97. Ba5+ Kd1 98. Nc3+ Kc2 99. Ne2 Bg7 100. Bb6 Bf6 101. Bc5 Kd3 102. Bb6 Kd2 103. Ng1 Kd1 104. Bc5 Bd8 105. Bd6 Kd2 106. Bc5 Bf6 107. Bb6 Bd3 108. Bc5 Kc3 109. Ne2+ Kc4 110. Bb6 Be7 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2013.07.24"]
[Round "2"]
[White "Van Eijk, Sander"]
[Black "Jonker, Fred"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2431"]
[BlackElo "2141"]
[PlyCount "137"]
[EventDate "2013.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nf6 7. Bd3 Bxd3 8. Qxd3 e6 9. 0-0 Qc7 10. c4 Nbd7 11. Re1 Be7 12. b3 0-0 13. Bb2 Rad8 14. Qc3 Rfe8 15. Re2 Bf8 16. Qc2 Qa5 17. Ne5 Ba3 18. Bc3 Bb4 19. Bb2 Ba3 20. Bc3 Bb4 21. Bxb4 Qxb4 22. Rae1 Qd6 23. Qc3 Nf8 24. Rd2 c5 25. Nf3 Ng6 26. Red1 cxd4 27. Nxd4 Qf4 28. Qc1 Rd7 29. Nge2 Qb8 30. Nb5 Rxd2 31. Qxd2 a6 32. Nbc3 h6 33. Ng3 Qe5 34. Qd4 Qa5 35. Kf1 e5 36. Qd2 Qc5 37. Qd6 Qxd6 38. Rxd6 Ne7 39. Nce4 Nxe4 40. Nxe4 Nc8 41. Rd7 b6 42. Nc3 Kf8 43. Nd5 Re6 44. Rb7 Rc6 45. Nb4 Rd6 46. Nxa6 Ke8 47. Nc7+ Kd8 48. Nd5 Rd7 49. Rb8 Rd6 50. a4 f5 51. Ke2 g5 52. b4 Rc6 53. Kd3 Kd7 54. Rb7+ Ke8 55. b5 Rd6 56. Kc3 Kd8 57. Rf7 f4 58. f3 Re6 59. Kd3 Nd6 60. Rf8+ Kd7 61. Nxb6+ Ke7 62. Ra8 e4+ 63. fxe4 Nxe4 64. Nd5+ Kd7 65. Ra7+ Kc8 66. a5 Nc5+ 67. Kd4 Nb3+ 68. Kc3 Nc1 69. a6 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2013.07.23"]
[Round "1"]
[White "Jonker, Fred"]
[Black "Pruijssers, Roeland"]
[Result "1/2-1/2"]
[ECO "C63"]
[WhiteElo "2141"]
[BlackElo "2549"]
[PlyCount "118"]
[EventDate "2013.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Bxc6 bxc6 6. Nxe4 d5 7. Ng3 Qf6 8. d4 exd4 9. Qxd4 Qxd4 10. Nxd4 Bd7 11. 0-0 0-0-0 12. Bg5 Re8 13. Rfe1 Rxe1+ 14. Rxe1 h6 15. Bd2 Nf6 16. Ne6 Bxe6 17. Rxe6 Kd7 18. Re2 g6 19. Bc3 Be7 20. Kf1 Rh7 21. f3 Rf7 22. Ke1 Ne8 23. Nh1 Bd6 24. Be5 Ng7 25. Nf2 Bxe5 26. Rxe5 Ne6 27. Re3 Kd6 28. Kd2 c5 29. Nd3 Rf6 30. Nf2 h5 31. Ra3 g5 32. c4 g4 33. Rd3 Nd4 34. cxd5 Kxd5 35. Ne4 Rf4 36. Ke3 Rf5 37. Nxc5 gxf3 38. Rxd4+ Kxc5 39. gxf3 Rxf3+ 40. Kxf3 Kxd4 41. Kf4 c5 42. Kg5 c4 43. Kxh5 Kd3 44. Kg4 Kc2 45. h4 Kxb2 46. h5 c3 47. h6 c2 48. h7 c1Q 49. h8Q+ Kxa2 50. Qg8+ Ka3 51. Qf8+ Ka4 52. Qe8+ Ka5 53. Qd8+ Kb5 54. Qb8+ Ka6 55. Qd6+ Kb7 56. Qb4+ Kc6 57. Qa4+ Kb6 58. Qb4+ Kc7 59. Qa5+ Kb8 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.28"]
[Round "9"]
[White "Bus, Tom"]
[Black "Jonker, Fred"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2237"]
[BlackElo "2154"]
[PlyCount "43"]
[EventDate "2011.07.19"]
[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 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. 0-0 Be7 7. d4 exd4 8. Nxd4 Nxd4 9. Qxd4 Nb4 10. Qxg7 Bf6 11. Qh6 c6 12. Nc3 Be6 13. Rd1 Qe7 14. Ne4 Be5 15. Bg5 Qf8 16. Nf6+ Bxf6 17. Qxf6 Nd5 18. Bxd5 cxd5 19. Bh6 Qg8 20. Bg7 Kd7 21. e4 Qd8 22. Bxh8 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.27"]
[Round "8"]
[White "Jonker, Fred"]
[Black "Vos, Tjark"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2154"]
[BlackElo "1842"]
[PlyCount "85"]
[EventDate "2011.07.19"]
[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. e4 c6 2. d4 d5 3. f3 e6 4. g3 Nd7 5. Bg2 Ne7 6. Ne2 c5 7. c3 Qb6 8. 0-0 Nc6 9. exd5 exd5 10. Nf4 Nf6 11. Re1+ Be7 12. c4 Nxd4 13. Nc3 Be6 14. Nfxd5 Bxd5 15. cxd5 Qd8 16. Qa4+ Kf8 17. f4 Qd7 18. Qxd7 Nxd7 19. Rb1 Nf6 20. Rd1 Rd8 21. Kf1 b5 22. a3 a6 23. h3 h5 24. Be3 Nf5 25. Bf2 Rh6 26. Be4 Nd6 27. Bf3 Rg6 28. Rd2 Nf5 29. Ne2 Bd6 30. b3 Re8 31. Rc1 Ne3+ 32. Kg1 Nexd5 33. Bxc5 Bxc5+ 34. Rxc5 Ne7 35. Rd6 Nfg8 36. Rxg6 fxg6 37. Rc7 Rd8 38. Ra7 Rd3 39. Kf2 Rxb3 40. Rxa6 Nf6 41. Nd4 Rb2+ 42. Be2 Nf5 43. Ra8+ 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.26"]
[Round "7"]
[White "Jonker, Fred"]
[Black "Beerdsen, Thomas"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2154"]
[BlackElo "2009"]
[PlyCount "71"]
[EventDate "2011.07.19"]
[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. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 g6 5. Nf3 Bg7 6. Nbd2 cxd4 7. Bc4 Qd8 8. Qb3 e6 9. cxd4 Ne7 10. 0-0 0-0 11. Ne4 Nbc6 12. Bg5 h6 13. Bf6 Qc7 14. Bxg7 Kxg7 15. Qc3 Nd5 16. Bxd5 exd5 17. Nc5 Re8 18. Rfe1 Bf5 19. Ne5 Rac8 20. Rac1 Nxe5 21. dxe5 Kh7 22. Qe3 Qe7 23. f4 b6 24. Nb3 Be4 25. Nd4 Rc5 26. Rc3 Rec8 27. Rec1 Qd7 28. h3 Rxc3 29. Rxc3 Rc5 30. b4 Rc7 31. Qd2 Qc8 32. Rxc7 Qxc7 33. e6 fxe6 34. Nxe6 Qe7 35. Nd4 Qh4 36. Qf2 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.25"]
[Round "6"]
[White "Cox, Jan"]
[Black "Jonker, Fred"]
[Result "0-1"]
[ECO "C96"]
[WhiteElo "1962"]
[BlackElo "2154"]
[PlyCount "136"]
[EventDate "2011.07.19"]
[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. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. h3 0-0 9. c3 Na5 10. Bc2 c5 11. d4 Nd7 12. Nbd2 cxd4 13. cxd4 Nc6 14. d5 Nb4 15. Bb1 a5 16. a3 Na6 17. b4 axb4 18. axb4 Nb6 19. Qb3 Bb7 20. Bd3 Qd7 21. Nf1 Rfc8 22. Ne3 g6 23. Bd2 Nc7 24. Rec1 Kg7 25. Bc3 h6 26. Ng4 f6 27. Ne3 Na4 28. Bd2 Nb6 29. Kh2 h5 30. Qd1 Rxa1 31. Rxa1 Ra8 32. Rxa8 Bxa8 33. Nh4 Bf8 34. Be2 Kh7 35. g4 g5 36. Nf3 h4 37. Nf5 Kg6 38. Qc1 Be7 39. Kg2 Bd8 40. Bc3 Na4 41. N3xh4+ Kf7 42. Be1 Nxd5 43. Bxb5 Qe6 44. Bxa4 Nf4+ 45. Kh2 gxh4 46. Qc8 Qxc8 47. Nxd6+ Ke6 48. Nxc8 Bxe4 49. Bd2 Ne2 50. Be3 Bc7 51. Na7 Bf3 52. Nb5 Bb8 53. Ba7 Bxa7 54. Nxa7 Nd4 55. Nb5 Kd5 56. Nxd4 exd4 57. Bc2 Kc4 58. b5 d3 59. Bxd3+ Kxd3 60. b6 Ke2 61. Kg1 Kd3 62. Kh2 Kd4 63. Kg1 Kc5 64. b7 Bxb7 65. f4 Kd4 66. f5 Ke4 67. Kg2 Kf4+ 68. Kf2 Bd5 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.23"]
[Round "5"]
[White "Van Meegen, Ruud"]
[Black "Jonker, Fred"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1947"]
[BlackElo "2154"]
[PlyCount "44"]
[EventDate "2011.07.19"]
[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. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Nbd2 0-0 7. h3 a6 8. Bb3 Be6 9. 0-0 d5 10. Re1 Re8 11. exd5 Bxd5 12. Ne4 Be7 13. Bc2 Nxe4 14. dxe4 Be6 15. Be3 Qxd1 16. Raxd1 Rad8 17. Nd2 Na5 18. b4 Nc4 19. Nxc4 Bxc4 20. Bb3 Bxb3 21. axb3 g6 22. Kf1 Rxd1 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.22"]
[Round "4"]
[White "Jonker, Fred"]
[Black "Kampman, Tijmen"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2154"]
[BlackElo "2111"]
[PlyCount "94"]
[EventDate "2011.07.19"]
[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. e4 e6 2. d4 d5 3. Bd3 c5 4. c3 Nc6 5. Ne2 cxd4 6. cxd4 Nb4 7. Nbc3 Nxd3+ 8. Qxd3 dxe4 9. Nxe4 Bd7 10. 0-0 Bc6 11. N2c3 Qd7 12. Bf4 0-0-0 13. Rfd1 f5 14. Ng5 Nf6 15. Qc4 Nd5 16. Be5 Nxc3 17. bxc3 Re8 18. Qe2 Be7 19. Nh3 Rhg8 20. c4 Bd6 21. Nf4 g5 22. Nh5 Be7 23. Qe3 b6 24. d5 Ba4 25. d6 Bxd1 26. Rxd1 Bd8 27. Qf3 Kb8 28. c5 g4 29. Qc3 Kb7 30. Rc1 Qc6 31. Qb2 Bg5 32. Rc2 Rc8 33. g3 Qd5 34. Nf6 Bxf6 35. Bxf6 Qd1+ 36. Kg2 Qd5+ 37. Kg1 Rxc5 38. Rxc5 Qxc5 39. d7 Qd5 40. d8Q Rxd8 41. Bxd8 Qxd8 42. Qg7+ Ka6 43. Qb2 Qd1+ 44. Kg2 Qf3+ 45. Kf1 h5 46. Qd4 Qd5 47. Qb2 Qb5+ 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.21"]
[Round "3"]
[White "Offringa, Joost"]
[Black "Jonker, Fred"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2085"]
[BlackElo "2154"]
[PlyCount "91"]
[EventDate "2011.07.19"]
[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. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. Nc3 Be7 7. 0-0 0-0 8. Be3 b5 9. Bb3 Na5 10. Ne2 c5 11. c3 Nxb3 12. axb3 Qc7 13. c4 Rb8 14. Qd2 Qb7 15. Ra2 Ng4 16. Ng3 f5 17. exf5 Bxf5 18. Nxf5 Rxf5 19. h3 Nxe3 20. fxe3 e4 21. Nh2 Rxf1+ 22. Nxf1 d5 23. dxe4 dxc4 24. bxc4 Rd8 25. Qc2 b4 26. b3 Bf6 27. Nd2 Bc3 28. Nf3 Re8 29. Kf2 Bf6 30. Ra5 Qb6 31. Qa2 Re6 32. e5 Bd8 33. Ra4 h6 34. Qc2 Qc6 35. Qd3 Bc7 36. Qd5 Kf8 37. Ra2 a5 38. Ke2 Rg6 39. Kd3 Re6 40. Qxc6 Rxc6 41. Ke4 Bb6 42. Nh4 Rc7 43. e6 g5 44. Nf5 Ra7 45. e7+ Kf7 46. Nd6+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.20"]
[Round "2"]
[White "Jonker, Fred"]
[Black "Smagin, Nikita"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2154"]
[BlackElo "1977"]
[PlyCount "72"]
[EventDate "2011.07.19"]
[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. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 Bg4 7. Be3 Nc6 8. a4 e5 9. d5 Ne7 10. a5 a6 11. Nd2 Bxe2 12. Qxe2 Nd7 13. Na4 f5 14. f3 f4 15. Bf2 g5 16. c4 Rf7 17. b4 Bf8 18. c5 Nf6 19. b5 axb5 20. cxd6 cxd6 21. Nb6 Rb8 22. Qxb5 Ng6 23. Nbc4 h5 24. Qb6 g4 25. Qxd8 Rxd8 26. Rfb1 Rdd7 27. Rb6 Ne8 28. Nb3 Rg7 29. fxg4 hxg4 30. g3 Nf6 31. Re1 fxg3 32. Bxg3 Rgf7 33. Nbd2 Bh6 34. Nf1 Bf8 35. Nfd2 Bh6 36. Nb3 Bf8 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.19"]
[Round "1"]
[White "Lenderman, Aleksandr"]
[Black "Jonker, Fred"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2525"]
[BlackElo "2154"]
[PlyCount "89"]
[EventDate "2011.07.19"]
[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. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 Nbd7 6. Bb2 Be7 7. Bd3 b6 8. 0-0 Bb7 9. Qe2 0-0 10. Rd1 Ne4 11. Nfd2 f5 12. f3 Nxd2 13. Nxd2 Qc7 14. e4 Bd6 15. e5 Be7 16. cxd5 exd5 17. f4 Rae8 18. g4 Bc8 19. gxf5 Nb8 20. Qh5 Bb4 21. a3 Bxd2 22. Rxd2 Qf7 23. Qxf7+ Rxf7 24. e6 Rf6 25. Rg2 Ba6 26. Be2 Bb7 27. Bc3 Na6 28. Be1 Rh6 29. Rg4 Nc7 30. Bh4 Kf8 31. Kf2 Nb5 32. Rag1 g6 33. fxg6 hxg6 34. f5 c5 35. e7+ Kf7 36. fxg6+ Kg7 37. Rf4 Nxd4 38. Bf6+ Kg8 39. Bxd4 cxd4 40. g7 Rxh2+ 41. Kf3 Rh3+ 42. Kg2 Rc3 43. Rf8+ Kxg7 44. Kh2+ Kh6 45. Rf6+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2006.08.03"]
[Round "9"]
[White "Jonker, Fred"]
[Black "Miedema, David"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2141"]
[BlackElo "2218"]
[PlyCount "121"]
[EventDate "2006.07.25"]
[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. e4 e6 2. d4 d5 3. Bd3 c5 4. c3 cxd4 5. cxd4 dxe4 6. Bxe4 Nf6 7. Bf3 Nc6 8. Ne2 Be7 9. 0-0 Bd7 10. Nbc3 0-0 11. Bf4 Qb6 12. d5 exd5 13. Nxd5 Nxd5 14. Bxd5 Rad8 15. Qb3 Qxb3 16. Bxb3 Bg4 17. Nc3 Bf6 18. h3 Bh5 19. g4 Bg6 20. Rad1 Nd4 21. Bd5 Bc2 22. Rd2 b5 23. Be3 b4 24. Bxd4 bxc3 25. Bxc3 Ba4 26. Bxf6 gxf6 27. b3 Bb5 28. Rfd1 Rc8 29. Be4 Rc3 30. f3 Kg7 31. Rc2 Rxc2 32. Bxc2 Rc8 33. Be4 h5 34. Rd5 Rc1+ 35. Kf2 Bc6 36. Ra5 Bxe4 37. fxe4 h4 38. Rxa7 Rb1 39. Ra5 Kg6 40. Ke3 Rh1 41. Kd4 Rxh3 42. Rh5 Rh1 43. a4 h3 44. Kc4 Re1 45. Rxh3 Rxe4+ 46. Kc5 f5 47. gxf5+ Kxf5 48. Rf3+ Ke6 49. a5 Kd7 50. Rxf7+ Kc8 51. b4 Kb8 52. Rd7 Re5+ 53. Kc6 Re6+ 54. Rd6 Re4 55. b5 Rc4+ 56. Kb6 Rc8 57. Ka6 Ka8 58. b6 Rh8 59. Kb5 Rc8 60. a6 Rh8 61. Re6 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2006.08.02"]
[Round "8"]
[White "Jonker, Fred"]
[Black "Broekmeulen, Jasper"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2141"]
[BlackElo "2284"]
[PlyCount "71"]
[EventDate "2006.07.25"]
[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. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 e6 6. cxd4 d6 7. Nc3 Nxc3 8. bxc3 Qc7 9. Bd2 Nd7 10. exd6 Bxd6 11. Bd3 0-0 12. 0-0 b6 13. Re1 Bb7 14. h3 g6 15. c4 e5 16. d5 Nc5 17. Bc3 Nxd3 18. Qxd3 f6 19. Rac1 Rac8 20. Bb2 Ba6 21. Nd2 Bb4 22. Ba3 Bxd2 23. Qxd2 Rfd8 24. c5 Qf7 25. d6 bxc5 26. Rxc5 Rxc5 27. Bxc5 Bc4 28. a3 a6 29. Bb6 Rd7 30. Bc7 Qd5 31. Qxd5+ Bxd5 32. Rb1 Kf7 33. Kf1 Bc6 34. g3 Bb5+ 35. Ke1 Ke6 36. Kd2 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2006.08.01"]
[Round "7"]
[White "Van Roosmalen, Sjoerd"]
[Black "Jonker, Fred"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2266"]
[BlackElo "2141"]
[PlyCount "67"]
[EventDate "2006.07.25"]
[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 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. g4 dxc4 8. g5 Nd5 9. Bxc4 N7b6 10. Bb3 Qe7 11. e4 Nxc3 12. bxc3 c5 13. e5 Bc7 14. Ba3 Nd7 15. Ba4 0-0 16. Qe4 Ba5 17. Rc1 Rb8 18. Bxd7 Qxd7 19. Bxc5 Rd8 20. Bxa7 Ra8 21. Bc5 b6 22. Bd6 Bb7 23. Qe3 Qc6 24. Ke2 Qc4+ 25. Ke1 Qd5 26. Ke2 Qxa2+ 27. Kf1 Rdc8 28. Kg2 Qb2 29. Kg3 Bxc3 30. Rhd1 Ba5 31. Ng1 Rxc1 32. Rxc1 Bd2 33. Rb1 Qxb1 34. Qxd2 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2006.07.31"]
[Round "6"]
[White "Jonker, Fred"]
[Black "Hoynck van Papendrecht, Frans M"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2141"]
[BlackElo "2098"]
[PlyCount "143"]
[EventDate "2006.07.25"]
[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. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Nb6 9. Nd2 a5 10. f4 g5 11. Ne4 Bg7 12. Nxg5 Ba6 13. b3 0-0-0 14. Bb2 d5 15. 0-0-0 h6 16. Nf3 dxc4 17. Rxd8+ Rxd8 18. Nd2 Kb8 19. Nxc4 Qb4 20. Qe3 Bxc4 21. Bxc4 Nxc4 22. bxc4 Qxc4+ 23. Kb1 Rd3 24. Qc1 Qd5 25. e6 Bf8 26. exf7 Qxf7 27. Qxc6 Rd6 28. Qe4 Bg7 29. Be5 Rd2 30. Bxg7 Qxg7 31. Qe8+ Kb7 32. Qb5+ Kc8 33. Re1 Rd8 34. Qf5+ Kb8 35. Qb5+ Kc8 36. Qa6+ Kb8 37. Re5 c5 38. Qb6+ Qb7 39. Qxb7+ Kxb7 40. Rxc5 Kb6 41. Re5 Rd2 42. Re6+ Kc5 43. Rg6 Rf2 44. Rg3 Rxf4 45. Rc3+ Kb4 46. Kb2 a4 47. a3+ Kb5 48. Rf3 Re4 49. Kc3 Re5 50. g4 Rc5+ 51. Kd3 Rc1 52. Rh3 Rd1+ 53. Kc3 Rc1+ 54. Kd4 Rd1+ 55. Rd3 Rc1 56. Rc3 Rd1+ 57. Ke4 Rb1 58. Rh3 Kc4 59. Rxh6 Re1+ 60. Kf5 Rf1+ 61. Kg5 Rf3 62. h4 Rxa3 63. Ra6 Kb5 64. Ra8 Kb6 65. h5 Kb7 66. Rf8 Rb3 67. h6 Rh3 68. Kg6 a3 69. Rf1 Kc6 70. g5 Kd5 71. h7 a2 72. Ra1 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2006.07.29"]
[Round "5"]
[White "Van Geffen, Ben"]
[Black "Jonker, Fred"]
[Result "1/2-1/2"]
[ECO "C56"]
[WhiteElo "2116"]
[BlackElo "2141"]
[PlyCount "45"]
[EventDate "2006.07.25"]
[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. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10. Neg5 0-0-0 11. Nxe6 fxe6 12. Rxe6 Qf5 13. Qe2 h6 14. Re4 Bc5 15. Bd2 Rhf8 16. Re1 Bb6 17. h3 d3 18. cxd3 Qd5 19. a3 Qxd3 20. Qxd3 Rxd3 21. Bc3 Rf7 22. Re8+ Rd8 23. Rxd8+ 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2006.07.28"]
[Round "4"]
[White "Jonker, Fred"]
[Black "Op den Kelder, Joram"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2141"]
[BlackElo "2217"]
[PlyCount "132"]
[EventDate "2006.07.25"]
[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. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Nb6 9. Nc3 a5 10. Qe4 g6 11. Bd3 Bg7 12. 0-0 0-0 13. f4 Ba6 14. Be3 Qb4 15. f5 Rfe8 16. e6 dxe6 17. fxg6 fxg6 18. Qxc6 Nxc4 19. Bc5 Qxb2 20. Ne4 Ne5 21. Qxe8+ Rxe8 22. Bxa6 Qc2 23. Rae1 Nd3 24. Bxd3 Qxd3 25. Kh1 Qd5 26. Rf2 Qc6 27. Rfe2 Rb8 28. Be7 Rb2 29. Rxb2 Bxb2 30. Ng5 Qd7 31. Bc5 Qd2 32. Nf3 Qd5 33. Be7 Kf7 34. Bh4 Bf6 35. Bg3 Qxa2 36. Bxc7 a4 37. Bg3 a3 38. Ne5+ Kg7 39. Rd1 Qe2 40. Re1 Qb2 41. Nc4 Qc3 42. Nxa3 Qxa3 43. Rxe6 h5 44. Bf2 Qc1+ 45. Re1 Qd2 46. Kg1 Bd4 47. Bxd4+ Qxd4+ 48. Kf1 Kf6 49. Re2 g5 50. Rf2+ Ke5 51. g3 Ke4 52. h4 Qd1+ 53. Kg2 Ke3 54. hxg5 Qd5+ 55. Kg1 Qxg5 56. Kg2 Qd5+ 57. Kg1 h4 58. gxh4 Qd1+ 59. Rf1 Qg4+ 60. Kh2 Qxh4+ 61. Kg2 Qg4+ 62. Kh2 Ke2 63. Rg1 Qh5+ 64. Kg2 Qh4 65. Rh1 Qg4+ 66. Kh2 Kf2 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2006.07.27"]
[Round "3"]
[White "Timman, Ton"]
[Black "Jonker, Fred"]
[Result "1/2-1/2"]
[ECO "D48"]
[WhiteElo "2260"]
[BlackElo "2141"]
[PlyCount "81"]
[EventDate "2006.07.25"]
[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 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. 0-0 a6 10. a4 b4 11. Ne4 c5 12. Nxf6+ Nxf6 13. Qe2 cxd4 14. exd4 Qd5 15. Bg5 Bd6 16. Bxf6 gxf6 17. Rfe1 Rg8 18. Be4 Qxe4 19. Qxe4 Bxe4 20. Rxe4 Rc8 21. d5 e5 22. Nd4 Rc5 23. Nf5 Rxd5 24. Nxd6+ Rxd6 25. Rxb4 Ke7 26. Kf1 Rc8 27. Rb7+ Ke6 28. Ke1 Rc4 29. b4 Re4+ 30. Kf1 Rd2 31. Re1 Rc4 32. Rb6+ Kf5 33. Kg1 Rb2 34. Rxa6 Rcxb4 35. Ra7 Kg6 36. h3 Ra2 37. Re3 Rb1+ 38. Kh2 Rxf2 39. Rg3+ Kf5 40. Rxf7 Rd1 41. Rxh7 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2006.07.26"]
[Round "2"]
[White "Grooten, Herman"]
[Black "Jonker, Fred"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2362"]
[BlackElo "2141"]
[PlyCount "111"]
[EventDate "2006.07.25"]
[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. c4 c6 2. Nf3 Nf6 3. d4 d5 4. Nbd2 g6 5. g3 Bg7 6. Bg2 0-0 7. 0-0 Na6 8. b3 Bf5 9. Bb2 Qd7 10. Ne5 Qe6 11. Re1 Rfd8 12. f3 Bh3 13. e4 dxc4 14. bxc4 Bxg2 15. Kxg2 Nd7 16. Nd3 Nb6 17. Nf4 Qd7 18. e5 Nc7 19. Bc3 Bh6 20. Re4 Ne6 21. Nh3 Bg7 22. Qb3 h6 23. Rae1 Kh7 24. a4 Rab8 25. Qc2 Na8 26. g4 Nac7 27. Nf2 Ng5 28. R4e3 Nge6 29. Nb3 b5 30. Nc5 Nxc5 31. dxc5 bxc4 32. Ba5 Nd5 33. Bxd8 Nxe3+ 34. Rxe3 Rxd8 35. e6 fxe6 36. Qxc4 e5 37. Rd3 Qc7 38. Rxd8 Qxd8 39. Qe6 Qc7 40. Ne4 Qb7 41. Qa2 Qb4 42. h4 Qe1 43. h5 gxh5 44. gxh5 Qd1 45. a5 Qd8 46. a6 Qe8 47. Qe6 Kh8 48. Kg3 Qxh5 49. Qxc6 Qh1 50. Qc8+ Kh7 51. Qf5+ Kg8 52. Kg4 Qg1+ 53. Kh5 Qa1 54. c6 Qxa6 55. c7 e6 56. Nc5 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2006.07.25"]
[Round "1"]
[White "Jonker, Fred"]
[Black "Hoeksema, Hendrik Pieter"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2141"]
[BlackElo "2373"]
[PlyCount "65"]
[EventDate "2006.07.25"]
[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. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. Bc4 Nb6 8. Bb3 dxe5 9. d5 Na5 10. Nc3 Nxb3 11. Qxb3 e6 12. Nxe5 Bd6 13. dxe6 Bxe6 14. Qb5+ Kf8 15. Be3 Qc7 16. Nf3 Nc4 17. Bd4 a6 18. Qg5 Rg8 19. 0-0 h6 20. Qh5 Qa5 21. Qxa5 Nxa5 22. Ne4 Be7 23. Rac1 Nc6 24. a3 Bg4 25. Bc5 Bxf3 26. gxf3 g5 27. Rfd1 Rg6 28. Rd7 Bxc5 29. Rxc5 b6 30. Rf5 Ne7 31. Re5 Nc6 32. Rf5 Ne7 33. Re5 1/2-1/2

[Event "NED-ch59 sf"]
[Site "Leeuwarden"]
[Date "2004.02.28"]
[Round "1.1"]
[White "Van den Doel, Erik"]
[Black "Jonker, Fred"]
[Result "1-0"]
[ECO "C91"]
[WhiteElo "2599"]
[PlyCount "97"]
[EventDate "2004.02.28"]
[EventType "k.o."]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. d4 Bg4 10. Be3 Na5 11. dxe5 Bxf3 12. Qxf3 dxe5 13. Nd2 c5 14. Bc2 Qd7 15. Nf1 Nc4 16. Bc1 Qg4 17. Qxg4 Nxg4 18. a4 Rfd8 19. f3 Nf6 20. Ne3 Nxe3 21. Bxe3 Kf8 22. Red1 Rxd1+ 23. Bxd1 b4 24. cxb4 cxb4 25. Rc1 a5 26. Kf2 Bd6 27. Rc6 Ke7 28. Bb3 Kd7 29. Rb6 Bc7 30. Rb5 Kc6 31. Ke2 Rb8 32. Rxb8 Bxb8 33. Bxf7 Bd6 34. g4 h6 35. h4 Bc5 36. Bc1 Kd6 37. Kd3 Bf2 38. g5 hxg5 39. hxg5 Nd7 40. Kc4 Bb6 41. Kb5 Bd8 42. Be3 Ke7 43. Bd5 Kd6 44. b3 Bc7 45. Bc6 Nb8 46. Bc5+ Ke6 47. Bb6 Bxb6 48. Kxb6 Kd6 49. Bb5 1-0

[Event "VCN SchaakFestival"]
[Site "Soest"]
[Date "1999.05.16"]
[Round "6"]
[White "De Jager, Leo"]
[Black "Jonker, Fred"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "1864"]
[BlackElo "2054"]
[PlyCount "68"]
[EventDate "1999.05.14"]
[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 Nc6 2. Nf3 e5 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 Bxf3 7. Qxf3 Ne7 8. d3 f6 9. Be3 Qd7 10. Nc3 Ng6 11. Rad1 Bd6 12. Ne2 0-0 13. Ng3 Qe6 14. a3 Rad8 15. Nf5 Ne7 16. Nxe7+ Bxe7 17. g4 c5 18. Qe2 Bd6 19. Kg2 Rd7 20. a4 c6 21. b3 Qe7 22. a5 Kh8 23. Ra1 g6 24. Ra4 Rg8 25. f3 f5 26. Qf2 f4 27. Bd2 Bc7 28. Bc3 Rb8 29. Rfa1 Rd4 30. Bxd4 cxd4 31. Rh1 Qd8 32. Qe1 Bd6 33. h4 Qe7 34. h5 g5 1/2-1/2

[Event "VCN SchaakFestival"]
[Site "Soest"]
[Date "1999.05.16"]
[Round "7"]
[White "Jonker, Fred"]
[Black "Smits, Mark"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "2054"]
[BlackElo "2086"]
[PlyCount "61"]
[EventDate "1999.05.14"]
[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 e5 2. Nf3 Nc6 3. Bb5 f5 4. Bxc6 dxc6 5. Nc3 fxe4 6. Nxe4 Nf6 7. Qe2 Bg4 8. d3 Qd5 9. 0-0 0-0-0 10. Bg5 Be7 11. Qe3 Bxf3 12. Qxf3 Rhf8 13. Bxf6 gxf6 14. Qh3+ f5 15. Ng3 Qe6 16. Rae1 Kb8 17. b3 Bc5 18. Re4 Qf6 19. Rh4 e4 20. dxe4 Rd2 21. Rf4 Qc3 22. exf5 Rxc2 23. Ne4 Qe5 24. Nxc5 Qxc5 25. f6 Rxa2 26. Qxh7 a5 27. Qe7 Qa3 28. Qxa3 Rxa3 29. f7 Rxb3 30. Re1 a4 31. Rxa4 1-0

[Event "VCN SchaakFestival"]
[Site "Soest"]
[Date "1999.05.15"]
[Round "3"]
[White "Jonker, Fred"]
[Black "Loeber, Roderick"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2054"]
[BlackElo "1902"]
[PlyCount "76"]
[EventDate "1999.05.14"]
[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. d4 d5 3. Bd3 Nf6 4. e5 Nfd7 5. Ne2 c5 6. c3 Nc6 7. 0-0 Be7 8. Be3 0-0 9. Nd2 cxd4 10. cxd4 f6 11. Nf4 Nb6 12. Ng6 Rf7 13. Nxe7+ Qxe7 14. Nf3 f5 15. Ng5 Rf8 16. Qh5 h6 17. Nh3 Bd7 18. Rac1 Rac8 19. Nf4 Qf7 20. Qd1 Ne7 21. Be2 Nc4 22. Qb3 b5 23. Rc3 a5 24. Bh5 g6 25. Nxg6 a4 26. Nxe7+ Qxe7 27. Qc2 b4 28. Rxc4 Rxc4 29. Qd2 Qh4 30. Be2 f4 31. Bxc4 fxe3 32. fxe3 dxc4 33. Rxf8+ Kxf8 34. Qxb4+ Kf7 35. Qd2 Qe4 36. h3 Bc6 37. Qf2+ Ke8 38. Kh2 Qxg2+ 0-1

[Event "VCN SchaakFestival"]
[Site "Soest"]
[Date "1999.05.15"]
[Round "5"]
[White "Jonker, Fred"]
[Black "Muhren, Bianca"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2054"]
[BlackElo "1845"]
[PlyCount "68"]
[EventDate "1999.05.14"]
[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 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Nbd2 Nc6 7. Bc4 Qd7 8. Qa4 cxd4 9. cxd4 e6 10. Bb5 Bxf3 11. Nxf3 Bd6 12. 0-0 0-0 13. Bg5 Nd5 14. Rac1 Rfc8 15. Ne5 Bxe5 16. dxe5 Qc7 17. Rfe1 Qb6 18. Bd3 Qd4 19. Qd1 Qb4 20. Rc4 Qf8 21. Rg4 Nce7 22. Rh4 Ng6 23. Rh3 h6 24. Qg4 Qb4 25. Qxb4 Nxb4 26. Bxg6 fxg6 27. Be7 Nd5 28. Bd6 Rc2 29. Rb3 b6 30. Kf1 Rac8 31. Re2 Rc1+ 32. Re1 Rxe1+ 33. Kxe1 Rc2 34. g3 g5 1/2-1/2

[Event "VCN SchaakFestival"]
[Site "Soest"]
[Date "1999.05.15"]
[Round "4"]
[White "Vegter, Koen"]
[Black "Jonker, Fred"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1820"]
[BlackElo "2054"]
[PlyCount "137"]
[EventDate "1999.05.14"]
[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 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qa5 5. d4 Bg4 6. Be2 0-0-0 7. Be3 Nf6 8. h3 Bxf3 9. Bxf3 Nxd4 10. Bxd4 Qb4 11. a3 Qxd4 12. Qxd4 Rxd4 13. Nb5 Rd8 14. Nxa7+ Kb8 15. Nb5 c6 16. Nc3 e6 17. Ke2 Bd6 18. Ne4 Be5 19. Nxf6 Bxf6 20. c3 Kc7 21. Rad1 b5 22. Rxd8 Rxd8 23. Rd1 Rb8 24. Kd3 c5 25. Kc2 b4 26. axb4 cxb4 27. cxb4 Rxb4 28. b3 Bd4 29. Rd2 e5 30. Be4 g6 31. Bd3 Kd6 32. f3 f5 33. g4 Ke6 34. Bc4+ Kf6 35. f4 h6 36. Kd3 Rb6 37. fxe5+ Bxe5 38. gxf5 Kxf5 39. Rg2 g5 40. Ke2 h5 41. Kf3 Rd6 42. Ra2 Rd4 43. Rc2 Rf4+ 44. Kg2 Rd4 45. Ra2 Bf4 46. Be2 h4 47. Bg4+ Ke5 48. Re2+ Kd6 49. Rc2 Rd3 50. Rb2 Rg3+ 51. Kf1 Be5 52. Rb1 Bd4 53. Rd1 Kd5 54. Ke2 Re3+ 55. Kf1 Rxb3 56. Rd2 Rg3 57. Rg2 Ra3 58. Re2 Be3 59. Rb2 Ke5 60. Rb8 Bf4 61. Re8+ Kd4 62. Rd8+ Ke4 63. Re8+ Be5 64. Rg8 Kf4 65. Rf8+ Kg3 66. Re8 Re3 67. Rc8 Bc3 68. Be2 Kxh3 69. Rd8 0-1

[Event "VCN SchaakFestival"]
[Site "Soest"]
[Date "1999.05.14"]
[Round "1"]
[White "Jonker, Fred"]
[Black "Kuijper, Hans"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2054"]
[BlackElo "1634"]
[PlyCount "55"]
[EventDate "1999.05.14"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. Bd3 Bxd3 9. Qxd3 e6 10. Bf4 Ngf6 11. c4 Bb4+ 12. Kf1 Be7 13. Re1 0-0 14. a3 Re8 15. Qc2 Bf8 16. Ne5 Qb6 17. Be3 Qc7 18. Ne4 Nxe4 19. Qxe4 Nxe5 20. dxe5 c5 21. Rh3 Qe7 22. Rg3 Kh8 23. Bxh6 f5 24. exf6 Qxf6 25. Bf4 Qd4 26. Qxd4 cxd4 27. Be5 Rad8 28. Rd1 1-0

[Event "VCN SchaakFestival"]
[Site "Soest"]
[Date "1999.05.14"]
[Round "2"]
[White "Van der Erf, Remco"]
[Black "Jonker, Fred"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2279"]
[BlackElo "2054"]
[PlyCount "100"]
[EventDate "1999.05.14"]
[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 d6 2. e4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Qd2 c6 6. f4 Qa5 7. Bd3 Na6 8. Nf3 Nb4 9. 0-0 Nxd3 10. Qxd3 d5 11. Bxf6 Bxf6 12. e5 Bg7 13. Nh4 e6 14. a3 b6 15. b4 Qa6 16. Qe3 Bd7 17. Nf3 Bf8 18. Nd1 Bxb4 19. Nf2 Be7 20. Ng4 c5 21. c3 cxd4 22. cxd4 Rc8 23. Nf6+ Bxf6 24. exf6 Bb5 25. Rfe1 Bc4 26. Ne5 b5 27. Qh3 Qd6 28. Re3 Rc6 29. Rae1 Ra6 30. g4 Qb6 31. f5 gxf5 32. gxf5 Qxd4 33. Qh5 Rf8 34. Kh1 Kd8 35. Nxf7+ Kc7 36. Ng5 Qxf6 37. Qxh7+ Kb8 38. Nxe6 Rc8 39. Nf4 d4 40. Re7 Qc6+ 41. Kg1 Rxa3 42. Ne6 Ra2 43. Qh3 d3 44. Qg3+ Ka8 45. Nc7+ Rxc7 46. Rxc7 Qb6+ 47. Re3 Ra1+ 48. Kf2 Ra2+ 49. Kg1 Ra1+ 50. Kf2 Ra2+ 1/2-1/2

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "3"]
[White "Bakels, Rosanne"]
[Black "Jonker, Fred"]
[Result "0-1"]
[ECO "C30"]
[PlyCount "82"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. f4 Nc6 3. Nf3 f5 4. Bc4 fxe4 5. Nxe5 d5 6. Bb5 Qd6 7. d4 a6 8. Be2 Nh6 9. 0-0 Bd7 10. Be3 Nf5 11. Qd2 h5 12. c4 Qb4 13. Nc3 Ncxd4 14. a3 Qc5 15. Nxd5 Nxe3 16. Nxe3 0-0-0 17. b4 Qd6 18. c5 Nxe2+ 19. Qxe2 Qe6 20. a4 g5 21. b5 Bxc5 22. Rac1 Qb6 23. Rxc5 Qxc5 24. bxa6 b6 25. Nf7 Bxa4 26. a7 Kb7 27. Nxd8+ Rxd8 28. Ra1 gxf4 29. Rxa4 Qxe3+ 30. Qxe3 fxe3 31. Kf1 Ra8 32. Rxe4 Rxa7 33. Rxe3 Ra8 34. Rh3 Ra5 35. Ke2 Rg5 36. Kf2 b5 37. Rb3 Kb6 38. g3 c5 39. Ke3 b4 40. Kf4 Rg8 41. h3 Kb5 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "7"]
[White "Dongart, Dennis"]
[Black "Jonker, Fred"]
[Result "1-0"]
[ECO "C96"]
[WhiteElo "2155"]
[PlyCount "59"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Nd7 12. Nbd2 cxd4 13. cxd4 Nc6 14. Nf1 exd4 15. Nxd4 Nxd4 16. Qxd4 Ne5 17. Ne3 Bxh3 18. f4 Nc6 19. Qc3 Bd7 20. Nd5 Rc8 21. Qd3 Nd4 22. Bb1 Bh4 23. Rf1 Bg4 24. Qxd4 Be2 25. b3 Rxc1 26. Rxc1 Bg3 27. Rc3 Qh4 28. Rxg3 Qxg3 29. Qf2 Qg4 30. Nc3 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "9"]
[White "Johansen, Morten"]
[Black "Jonker, Fred"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "2255"]
[PlyCount "71"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 g6 7. e4 Bxf1 8. Kxf1 d6 9. g3 Bg7 10. Kg2 0-0 11. Nf3 Na6 12. Re1 Qc7 13. Re2 Nd7 14. a4 Nb4 15. Nb5 Qb7 16. Rb1 Ne5 17. Nxe5 Bxe5 18. Bd2 Rfc8 19. Bxb4 cxb4 20. Rc2 Rc5 21. Rxc5 dxc5 22. f4 Bg7 23. b3 e6 24. Qf3 Rd8 25. d6 e5 26. Rc1 Qc6 27. Qe3 exf4 28. gxf4 f5 29. Rxc5 Qxe4+ 30. Qxe4 fxe4 31. a5 Bh6 32. a6 Bxf4 33. a7 Be3 34. Rc7 Rf8 35. Rc2 Ra8 36. Nc7 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "2"]
[White "Jonker, Fred"]
[Black "Bekker Jensen, David"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2180"]
[PlyCount "110"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. f4 Nc6 7. Nf3 Bf5 8. Bd3 Bxd3 9. Qxd3 dxe5 10. fxe5 Ndb4 11. Qe2 Nxd4 12. Nxd4 Qxd4 13. Qb5+ Nc6 14. Qxb7 Qe4+ 15. Kf2 Rb8 16. Qc7 Qf5+ 17. Kg3 Rc8 18. Qb7 h5 19. h4 Nd4 20. Re1 Qg4+ 21. Kf2 Rxc1 22. Nc3 Rc2+ 23. Kg1 Rxg2+ 24. Qxg2 Nf3+ 25. Kf2 Qxg2+ 26. Kxg2 Nxe1+ 27. Rxe1 e6 28. Nb5 Be7 29. Nxa7 Bxh4 30. Rd1 0-0 31. b4 Ra8 32. Rd7 Bd8 33. a3 Kf8 34. Nc6 Ke8 35. Rd3 Be7 36. Nxe7 Kxe7 37. Kg3 g5 38. Kg2 Rc8 39. a4 Rc2+ 40. Kg3 Ra2 41. a5 f6 42. exf6+ Kxf6 43. Rd8 Ra3+ 44. Kg2 Ra4 45. Rb8 Kf5 46. Rb6 Kg4 47. Rxe6 Rxb4 48. a6 Ra4 49. Rb6 Ra2+ 50. Kg1 Kh4 51. Rg6 g4 52. Rh6 Kg3 53. Kf1 h4 54. Rb6 Kh3 55. Rg6 g3 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "4"]
[White "Jonker, Fred"]
[Black "Carstensen, Jacob"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2165"]
[PlyCount "80"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 e6 6. Nc3 Nxc3 7. bxc3 Qc7 8. Bd2 b6 9. f4 Bb7 10. Nf3 Nc6 11. Bd3 f5 12. 0-0 Be7 13. d5 exd5 14. Bxf5 g6 15. Bd3 Bc5+ 16. Kh1 0-0-0 17. Ng5 Rdf8 18. e6 Nd8 19. Qg4 Nxe6 20. Nxe6 dxe6 21. Qxe6+ Kb8 22. f5 Bd6 23. Qxd6 Qxd6 24. Bf4 Qxf4 25. Rxf4 gxf5 26. Rxf5 Rxf5 27. Bxf5 Rg8 28. g4 d4+ 29. Kg1 dxc3 30. Rc1 Bc8 31. Bxc8 Rxc8 32. Kf2 b5 33. Ke3 b4 34. Kd4 a5 35. g5 Rc6 36. h4 Kb7 37. h5 a4 38. a3 b3 39. g6 hxg6 40. hxg6 c2 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "6"]
[White "Jonker, Fred"]
[Black "Kalisvaart, Peter"]
[Result "1-0"]
[ECO "B19"]
[PlyCount "51"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. Bd3 Bxd3 9. Qxd3 e6 10. Bd2 Ngf6 11. 0-0 Be7 12. c4 0-0 13. b4 a6 14. a4 Qc7 15. Rfe1 Bd6 16. Ne2 e5 17. c5 e4 18. cxd6 Qxd6 19. Qb3 exf3 20. Qxf3 Nd5 21. Ng3 N7f6 22. Nf5 Qc7 23. Re5 Kh8 24. Rae1 Nd7 25. Bxh6 gxh6 26. Qh5 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "8"]
[White "Jonker, Fred"]
[Black "Kuijvenhoven, Marco"]
[Result "1-0"]
[ECO "C69"]
[PlyCount "125"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. d3 f6 7. h3 Bh5 8. Be3 Bd6 9. Nbd2 Ne7 10. c3 c5 11. a4 b6 12. a5 0-0 13. g4 Be8 14. Nh4 Ng6 15. Nxg6 hxg6 16. Nc4 b5 17. Nxd6 Qxd6 18. Qc2 f5 19. f3 f4 20. Bf2 g5 21. b4 cxb4 22. cxb4 Qh6 23. Kg2 Rc8 24. Qc5 Qd6 25. Rfd1 Bf7 26. Rac1 Rfd8 27. Rc3 Be8 28. Qxd6 cxd6 29. Rdc1 Bd7 30. Bb6 Rxc3 31. Rxc3 Rc8 32. Rxc8+ Bxc8 33. Bc7 Kf7 34. Bxd6 Kf6 35. Kf2 Be6 36. Ke2 Bb3 37. Kd2 Ba4 38. Bc5 Ke6 39. Bb6 Kd7 40. d4 Bb3 41. dxe5 Bc4 42. Bd4 Ke6 43. Bc5 Bf1 44. Bb6 Kd7 45. e6+ Kxe6 46. Bd8 Ke5 47. Bxg5 Bxh3 48. Ke2 Bg2 49. Kf2 Bh1 50. Bd8 Kd4 51. g5 g6 52. Bc7 Kc4 53. Bd6 Kd4 54. Bxf4 Kc4 55. Bd6 Kd4 56. Bc5+ Kc4 57. Ke3 Bg2 58. f4 Bh3 59. f5 gxf5 60. exf5 Bxf5 61. Kf4 Bc2 62. Ke5 Bd3 63. Kf6 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "5"]
[White "Van Essen, Mark"]
[Black "Jonker, Fred"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "62"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nc3 d6 6. h3 Na5 7. Bb3 Nxb3 8. axb3 0-0 9. 0-0 g6 10. Ne2 Nh5 11. Bh6 Re8 12. g4 Ng7 13. Kh2 Be6 14. Qd2 f6 15. Qe3 b6 16. d4 c6 17. Rad1 Qc7 18. Nh4 d5 19. f4 exd4 20. Nxd4 Bc5 21. e5 Bf7 22. Qc3 fxe5 23. fxe5 Qxe5+ 24. Bf4 Bxd4 25. Rxd4 Qe2+ 26. Kg1 Ne6 27. Bh6 Nxd4 28. Qxd4 Qe5 29. Qf2 Qe7 30. Nf5 gxf5 31. gxf5 Qc5 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "1"]
[White "Westerweele, Henrik"]
[Black "Jonker, Fred"]
[Result "0-1"]
[ECO "C56"]
[PlyCount "68"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Rxe4+ Be6 10. Nxd4 0-0-0 11. Be3 Nxd4 12. Rxd4 Bc5 13. Rxd8+ Rxd8 14. Qh5 Bb4 15. Qxa5 Bxa5 16. Nb5 a6 17. Nd4 Bd5 18. c3 c6 19. h3 Bc7 20. a3 Rd6 21. Bf4 Rg6 22. Bxc7 Rxg2+ 23. Kf1 Kxc7 24. Ke2 Rh2 25. Rg1 g6 26. Rg3 Rh1 27. b3 c5 28. c4 Bxc4+ 29. bxc4 cxd4 30. Kd3 Rd1+ 31. Kc2 Ra1 32. Kb2 Rf1 33. Rf3 f5 34. Kc2 Kc6 0-1

[Event "NED-ch U21"]
[Site "Arnhem"]
[Date "1996.05.04"]
[Round "9"]
[White "Jonker, Fred"]
[Black "Bakker, Sven"]
[Result "0-1"]
[ECO "A03"]
[PlyCount "122"]
[EventDate "1996.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. f4 d5 2. g3 g6 3. Nf3 Bg7 4. Bg2 Nf6 5. d3 0-0 6. 0-0 b6 7. c3 Bb7 8. Qc2 Nbd7 9. h3 c5 10. Nbd2 Nh5 11. Kh2 e5 12. e3 exf4 13. exf4 Re8 14. d4 Rc8 15. Qd3 f5 16. Ne5 Nhf6 17. Ndf3 Ne4 18. a4 a5 19. Bd2 Nf8 20. Be1 Ne6 21. Rb1 Ra8 22. Rg1 Ba6 23. Qd1 Qd6 24. h4 Rac8 25. Ng5 Rc7 26. Rh1 Nf8 27. g4 h6 28. Nxe4 dxe4 29. Bf2 Bxe5 30. dxe5 Qxd1 31. Rbxd1 Bd3 32. gxf5 gxf5 33. Bh3 Rf7 34. Bf1 c4 35. Bxb6 Rb8 36. Bxa5 Rxb2+ 37. Kh3 Rg7 38. Bxd3 cxd3 39. Rhg1 Ne6 40. Rxg7+ Kxg7 41. Kg3 Ra2 42. Bb6 Rxa4 43. h5 Rc4 44. Ba5 Nc5 45. Kf2 Ra4 46. Bb4 Ra2+ 47. Kg3 Ne6 48. c4 Rc2 49. Ra1 Rxc4 50. Ra7+ Kg8 51. Ra8+ Kf7 52. Ra7+ Rc7 53. Rxc7+ Nxc7 54. Bd2 Nd5 55. Kf2 Nb6 56. Bc3 Nc4 57. Bd4 Ke6 58. Bc5 Kd5 59. Ba7 d2 60. Ke2 e3 61. e6 Nb2 0-1

[Event "NED-ch U21"]
[Site "Arnhem"]
[Date "1996.05.03"]
[Round "8"]
[White "Jonker, Fred"]
[Black "Van Kooten, Luuk"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "72"]
[EventDate "1996.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 d6 6. Bc4 Nb6 7. Bb3 dxe5 8. Nxe5 e6 9. Qf3 Qf6 10. Qg3 Bd6 11. f4 Nc6 12. Nxc6 bxc6 13. 0-0 c5 14. Qf3 0-0 15. Nd2 Qe7 16. Qg4 Bb7 17. cxd4 cxd4 18. Nf3 Bc5 19. Bd2 Nd5 20. f5 exf5 21. Qxf5 Ne3 22. Qh5 Nxf1 23. Ng5 d3+ 24. Kh1 Bxg2+ 25. Kxg2 Qe2+ 26. Qxe2 dxe2 27. Bc3 Rae8 28. Re1 h6 29. Nh3 Ne3+ 30. Kf3 Nf5 31. Kf4 Nd4 32. Ba4 g5+ 33. Kg3 Re3+ 34. Kg2 Nf3 35. Rxe2 Rxe2+ 36. Kxf3 Rxh2 0-1

[Event "NED-ch U21"]
[Site "Arnhem"]
[Date "1996.05.02"]
[Round "7"]
[White "Gommers, Ralf"]
[Black "Jonker, Fred"]
[Result "1-0"]
[ECO "C25"]
[PlyCount "91"]
[EventDate "1996.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 Nc6 2. Nc3 e5 3. f4 exf4 4. Nf3 d6 5. d4 g5 6. h4 g4 7. Ng1 Bg7 8. Bb5 Bd7 9. Bxc6 Bxc6 10. Bxf4 h5 11. Qd3 Ne7 12. Nge2 Ng6 13. g3 Qe7 14. 0-0-0 0-0-0 15. Rhf1 Rde8 16. d5 Bd7 17. Kb1 Nxf4 18. Rxf4 Rhf8 19. Rdf1 Bh6 20. R4f2 Bg7 21. Qe3 Kb8 22. Qg5 Qxg5 23. hxg5 Re7 24. Rh2 Rh8 25. Rfh1 Re5 26. Rxh5 Rxh5 27. Rxh5 c6 28. Nf4 cxd5 29. Nd3 Rxe4 30. Nxe4 dxe4 31. Nf4 Be5 32. Ne2 Bb5 33. Rh2 d5 34. c3 Bxe2 35. Rxe2 Bxg3 36. Rg2 Bf4 37. Rxg4 e3 38. Rg2 Kc7 39. Kc2 Kd6 40. Kd3 Ke5 41. g6 fxg6 42. Rxg6 b6 43. Rg7 Kd6 44. Rxa7 Kc5 45. Rf7 Bd6 46. Rf5 1-0

[Event "NED-ch U21"]
[Site "Arnhem"]
[Date "1996.05.01"]
[Round "6"]
[White "Hoogendoorn, Joost"]
[Black "Jonker, Fred"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2335"]
[PlyCount "63"]
[EventDate "1996.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. a3 g6 4. Bc4 Bg7 5. 0-0 d6 6. d3 Nf6 7. Nc3 0-0 8. Ba2 Bg4 9. h3 Bxf3 10. Qxf3 Nd4 11. Qd1 Rb8 12. Be3 Nd7 13. f4 b5 14. f5 b4 15. axb4 Rxb4 16. Rb1 Ne5 17. Bg5 Ndc6 18. Nd5 Rb7 19. Nxe7+ Nxe7 20. f6 Qa5 21. fxg7 Rfb8 22. Ra1 Qb6 23. Bf6 N7c6 24. Bd5 Rd7 25. Kh1 Nb4 26. Ba2 Nxa2 27. Rxa2 Rbb7 28. Qd2 Qb5 29. Qh6 Nxd3 30. cxd3 Qxd3 31. Raa1 Rb4 32. Rad1 1-0

[Event "NED-ch U21"]
[Site "Arnhem"]
[Date "1996.04.30"]
[Round "5"]
[White "Jonker, Fred"]
[Black "De Rover, Yong Hoon"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "113"]
[EventDate "1996.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. exd6 Qxd6 8. a3 g6 9. Nc3 Bg7 10. Bc4 Nxc3 11. bxc3 0-0 12. 0-0 Na5 13. Ba2 Bf5 14. Qa4 b6 15. Bb2 Rac8 16. Rfe1 Nc6 17. Rad1 Bg4 18. Rd3 Bd7 19. Qd1 Na5 20. Ng5 Bb5 21. Rh3 h6 22. Ne4 Qd7 23. Bc1 h5 24. Ng5 Qg4 25. Rf3 Bc4 26. Bxc4 Rxc4 27. Qd3 Qd7 28. Qe4 e5 29. Bb2 f5 30. Qb1 e4 31. Rg3 Rc6 32. Nh3 Nc4 33. Nf4 Kh7 34. Qa2 Nxb2 35. Qxb2 Bh6 36. d5 Rcf6 37. Ne6 Rc8 38. c4 Rxe6 39. dxe6 Qxe6 40. Qb3 Qxc4 41. Qxc4 Rxc4 42. Rb3 Rc2 43. g3 Bf8 44. Kf1 Bc5 45. Re2 Rc4 46. h4 a5 47. Ra2 a4 48. Rb1 Rc3 49. Rbb2 Kg7 50. Rc2 Rf3 51. Kg2 Bxa3 52. Rc7+ Kh6 53. Ra7 b5 54. Rc2 Bd6 55. Rc8 Be5 56. Re7 Rc3 57. Rf8 1-0

[Event "NED-ch U21"]
[Site "Arnhem"]
[Date "1996.04.29"]
[Round "4"]
[White "De Vreugt, Dennis"]
[Black "Jonker, Fred"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2205"]
[PlyCount "57"]
[EventDate "1996.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. c3 e6 5. Nf3 Qd7 6. Be2 f6 7. Bf4 0-0-0 8. Nbd2 g5 9. Bg3 g4 10. Nh4 fxe5 11. dxe5 d4 12. Nxf5 exf5 13. Bc4 dxc3 14. bxc3 Bh6 15. Nb3 Qe7 16. Qe2 Kb8 17. Bb5 Nb4 18. cxb4 f4 19. 0-0 fxg3 20. Bc6 gxh2+ 21. Kh1 Rd6 22. Bb5 Rd8 23. Rad1 Bg5 24. Rxd8+ Qxd8 25. Rd1 Qe7 26. Nc5 Nh6 27. Bc6 Rd8 28. Rb1 a6 29. Bxb7 1-0

[Event "NED-ch U21"]
[Site "Arnhem"]
[Date "1996.04.27"]
[Round "3"]
[White "Do, Khoa"]
[Black "Jonker, Fred"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "74"]
[EventDate "1996.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qa5 5. d4 Bg4 6. Bb5 e6 7. 0-0 Bb4 8. Bxc6+ bxc6 9. Ne4 Qd5 10. Qe2 Ne7 11. h3 Bh5 12. Bf4 Bg6 13. Ng3 Bd6 14. c4 Qa5 15. Ne5 0-0 16. Ne4 Rad8 17. Rfd1 Bxe5 18. Bxe5 Nf5 19. Nc5 Qb6 20. a4 Nd6 21. Ra3 Qb4 22. Rc1 Rc8 23. Rb3 Qa5 24. Bf4 Ne4 25. Nxe4 Qf5 26. Nd6 Qxf4 27. Rd1 cxd6 28. g3 Qe4 29. Re3 Qc2 30. Rd2 Qxa4 31. h4 Qa5 32. g4 h5 33. Ra3 Qb4 34. gxh5 Bxh5 35. Qe3 Qxc4 36. Ra5 c5 37. Qg5 Qd5 0-1

[Event "NED-ch U21"]
[Site "Arnhem"]
[Date "1996.04.26"]
[Round "2"]
[White "Jonker, Fred"]
[Black "Van Beek, Lucien"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2145"]
[PlyCount "50"]
[EventDate "1996.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Bb5+ Nc6 7. Qa4 Bd7 8. exd6 e6 9. Nf3 Bxd6 10. Nc3 Nxc3 11. bxc3 Qc7 12. Bd2 a6 13. Be2 0-0 14. 0-0 Ne5 15. Qb3 Nxf3+ 16. Bxf3 Bb5 17. Rfc1 Bxh2+ 18. Kh1 Bc4 19. Qxb7 Rab8 20. Qe4 Bd6 21. Rcb1 Rxb1+ 22. Rxb1 Bxa2 23. Rb7 Qa5 24. Qc2 Bc4 25. g3 Bd5 0-1

[Event "NED-ch U21"]
[Site "Arnhem"]
[Date "1996.04.25"]
[Round "1"]
[White "Jonker, Fred"]
[Black "Van Delft, Merijn"]
[Result "1-0"]
[ECO "B22"]
[BlackElo "2185"]
[PlyCount "93"]
[EventDate "1996.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 e6 6. Nc3 Nxc3 7. bxc3 Qc7 8. Bd2 b6 9. f4 Ba6 10. Qf3 Qc6 11. Qxc6 dxc6 12. Nf3 Bxf1 13. Rxf1 c5 14. g4 Nc6 15. f5 cxd4 16. fxe6 fxe6 17. cxd4 Be7 18. Rc1 Rc8 19. Bg5 Kd7 20. Bxe7 Nxe7 21. Rxc8 Rxc8 22. Kd2 Rc4 23. Kd3 Ra4 24. Nd2 Ra3+ 25. Ke2 Rxa2 26. Rf7 a5 27. Rxg7 a4 28. Kd3 b5 29. Rxh7 b4 30. Ne4 a3 31. Nc5+ Ke8 32. Rh8+ Kf7 33. Rh7+ Kf8 34. Nxe6+ Ke8 35. Nc5 Ra1 36. e6 Ng6 37. Ra7 a2 38. Kc2 Rh1 39. Rxa2 Rxh2+ 40. Kb3 Rh4 41. Kxb4 Rxg4 42. Kc4 Nf4 43. Ra8+ Ke7 44. Ra7+ Kf6 45. Rf7+ Kg6 46. Nd7 Rh4 47. Ne5+ 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "9"]
[White "Aubel, Jochem"]
[Black "Jonker, Fred"]
[Result "1/2-1/2"]
[ECO "A58"]
[PlyCount "53"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. g3 g6 7. Bg2 d6 8. b3 Bg7 9. Bb2 0-0 10. Nh3 Nbd7 11. 0-0 Qc7 12. Nf4 Rfb8 13. Bc3 Nb6 14. h4 c4 15. b4 Bb5 16. Bd4 Na4 17. Nc3 Nxc3 18. Bxc3 Ra3 19. Bb2 Ra4 20. Qd2 Rba8 21. a3 Nd7 22. Bxg7 Kxg7 23. Rfc1 Ne5 24. Qb2 Qa7 25. Rc3 Kg8 26. e3 Ra6 27. Bf1 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "2"]
[White "Janssen, Ruud"]
[Black "Jonker, Fred"]
[Result "1-0"]
[ECO "A18"]
[PlyCount "111"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d6 4. d4 Be7 5. Nf3 0-0 6. Bd3 c5 7. d5 e5 8. 0-0 Ne8 9. a3 a5 10. Be3 g6 11. Qc1 f5 12. exf5 gxf5 13. Ne1 Nd7 14. f4 e4 15. Be2 Ndf6 16. b3 h5 17. Nc2 Ng7 18. b4 b6 19. bxc5 bxc5 20. Rb1 Ng4 21. Bxg4 hxg4 22. Bd2 Bf6 23. Ne3 Bd4 24. Ne2 Ba6 25. Qc2 Rb8 26. g3 Qd7 27. Kf2 a4 28. Rfd1 Nh5 29. Be1 Qh7 30. Rxb8 Rxb8 31. Nxd4 cxd4 32. Rxd4 Nxf4 33. gxf4 Qxh2+ 34. Kf1 Qh1+ 35. Ke2 Qf3+ 36. Kd2 Rb3 37. Nxf5 Qxf4+ 38. Kd1 Qf3+ 39. Kc1 Qf4+ 40. Kd1 Qxf5 41. Rxe4 Qf3+ 42. Kc1 Rxa3 43. Re6 Qf4+ 44. Kb2 Rb3+ 45. Ka2 Kf8 46. Bd2 Qf7 47. Bh6+ Kg8 48. Rg6+ Kh8 49. Bc1 Bxc4 50. Rh6+ Kg8 51. Qxc4 Qf5 52. Bb2 Rb7 53. Qc6 Re7 54. Rh8+ Kf7 55. Qxd6 Rd7 56. Rf8# 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "3"]
[White "Jonker, Fred"]
[Black "Bootsma, Martin"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "75"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. N1f3 h6 8. Nh3 g5 9. Bxg5 hxg5 10. Nhxg5 Qa5+ 11. c3 Nb6 12. Bb3 Bd6 13. Qc2 Rg8 14. h4 Bd7 15. 0-0-0 Rg7 16. c4 0-0-0 17. g3 c5 18. Ne5 Be8 19. f4 cxd4 20. Nef3 Nh5 21. Rhg1 Nxg3 22. Rxd4 Nf5 23. Rxd6 Rxd6 24. Rh1 Nd4 25. Nxd4 Rxd4 26. c5 Nd5 27. h5 Rg8 28. h6 Rxf4 29. h7 Rh8 30. Kb1 Rg4 31. Ne4 f6 32. Nd6+ Kc7 33. Nxe8+ Rxe8 34. Qh2+ Kc6 35. Qd6+ Kb5 36. Qd7+ Kxc5 37. Qxe8 Rh4 38. h8Q 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "8"]
[White "Jonker, Fred"]
[Black "Do, Khoa"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "45"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4 Bg7 5. Qe2 Nc6 6. e5 Nxd4 7. exf6 Nxe2 8. fxg7 Rg8 9. Ngxe2 Rxg7 10. Bh6 Rg8 11. 0-0-0 Be6 12. Bxe6 fxe6 13. Nd4 Qd7 14. Rhe1 e5 15. Nf3 Qg4 16. Nd5 Qxg2 17. Re3 Rc8 18. Nxe5 Qxf2 19. Ng4 Qf7 20. Ngf6+ Kd8 21. Nxg8 e5 22. Rxe5 dxe5 23. Ndf6+ 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "1"]
[White "Jonker, Fred"]
[Black "Malandain, L."]
[Result "1-0"]
[ECO "C06"]
[PlyCount "63"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 Nf6 4. e5 Nfd7 5. Nd2 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Bb4+ 9. Bd2 Qb6 10. Ne2 Bxd2+ 11. Qxd2 Nb4 12. Bb1 f6 13. 0-0 fxe5 14. dxe5 Nc6 15. Qg5 Qxb2 16. Qxg7 Rf8 17. Ng3 Kd8 18. Bxh7 Ncxe5 19. Nxe5 Qxe5 20. Qxe5 Nxe5 21. h3 Ke7 22. f4 Nc4 23. Rae1 Bd7 24. Bd3 Nd6 25. f5 Rg8 26. Nh5 Rae8 27. fxe6 Bxe6 28. Nf6 Rgf8 29. Nxd5+ Kd7 30. Nf6+ Rxf6 31. Rxf6 Bxa2 32. Rxd6+ 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "7"]
[White "Jonker, Fred"]
[Black "Van Hemert, P."]
[Result "1-0"]
[ECO "C29"]
[PlyCount "35"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 Nc6 4. fxe5 Nxe5 5. d4 Nc6 6. Nf3 Bb4 7. Bd3 d6 8. 0-0 Bxc3 9. bxc3 Be6 10. d5 Bxd5 11. exd5 Nxd5 12. Ng5 Qe7 13. Nxf7 Rf8 14. Bg5 Qe6 15. Bc4 Nce7 16. Bxe7 c6 17. Bxf8 Kxf8 18. Ng5+ 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "5"]
[White "Jonker, Fred"]
[Black "Zult, Daan"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "40"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 e6 6. Nf3 b6 7. a3 Bb7 8. Bd3 d6 9. 0-0 Nd7 10. b4 a5 11. b5 dxe5 12. Nxe5 Nxe5 13. dxe5 Qh4 14. Be2 Bc5 15. Bb2 Nf4 16. Bf3 Rd8 17. Nd2 Rxd2 18. Qxd2 Bxf3 19. Rfd1 Ne2+ 20. Kh1 Bxg2+ 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "4"]
[White "Remmel, Tim"]
[Black "Jonker, Fred"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "76"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5 d6 6. Nxd4 Be7 7. Bf4 Nxd5 8. exd5 Nxd4 9. Qxd4 0-0 10. 0-0-0 Bf6 11. Qb4 a5 12. Qd2 Bf5 13. f3 Qd7 14. g4 Qa4 15. Kb1 Bxc2+ 16. Qxc2 Qxf4 17. Bd3 g6 18. h4 a4 19. h5 a3 20. hxg6 Bxb2 21. g7 Rfe8 22. Bxh7+ Kxg7 23. Be4 Kf8 24. Rh5 Bg7 25. Rf5 Qe3 26. Rd3 Qe1+ 27. Qd1 Qxd1+ 28. Rxd1 Re5 29. Rd3 Ra5 30. Rxe5 Bxe5 31. Rb3 b6 32. Kc2 Rc5+ 33. Kd2 Bb2 34. Ke3 Rc1 35. Rd3 Ra1 36. Kf4 Rxa2 37. Rb3 Ra1 38. Bd3 Rd1 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "6"]
[White "Span, Paul"]
[Black "Jonker, Fred"]
[Result "1-0"]
[ECO "C84"]
[PlyCount "81"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. d4 0-0 8. Nxe5 Bb7 9. Nxc6 dxc6 10. e5 Nd5 11. c4 Nb6 12. cxb5 cxb5 13. Nc3 c5 14. dxc5 Bxc5 15. Qe2 Qh4 16. Be3 Bxe3 17. Qxe3 Nc4 18. Bxc4 Qxc4 19. Rfd1 Rfe8 20. Rd4 Qc5 21. Re1 Rac8 22. f4 h6 23. Ne4 Bxe4 24. Rxe4 Qxe3+ 25. R4xe3 Rc2 26. R3e2 Rec8 27. Kf2 Kf8 28. Rxc2 Rxc2+ 29. Re2 Rc4 30. Ke3 Ke7 31. b3 Rc1 32. Kd3 Ke6 33. Ke4 g6 34. Rd2 Re1+ 35. Kf3 Rf1+ 36. Kg3 g5 37. Rd6+ Kf5 38. Rf6+ Ke4 39. fxg5 Rxf6 40. exf6 hxg5 41. Kg4 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "3"]
[White "Eijk, Yuri"]
[Black "Jonker, Fred"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "40"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qa5 5. Be2 Nf6 6. d3 Bg4 7. h3 Bh5 8. Bd2 0-0-0 9. a3 Bg6 10. g4 Nd5 11. Nh4 Nd4 12. Nxg6 hxg6 13. Ne4 Qb6 14. Rb1 e5 15. Bf3 f5 16. Ng5 Qf6 17. Bxd5 Rxd5 18. c4 Rd7 19. b4 Rh4 20. Rg1 e4 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "6"]
[White "Frombach, Ralf"]
[Black "Jonker, Fred"]
[Result "1/2-1/2"]
[ECO "E98"]
[PlyCount "66"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Ne8 10. f3 f5 11. g4 f4 12. h4 Qd7 13. Bd2 Nf6 14. Rf2 h5 15. g5 Ng4 16. fxg4 hxg4 17. Bxg4 Qxg4+ 18. Qxg4 Bxg4 19. Nf3 a6 20. Nh2 Bd7 21. a3 Kf7 22. Be1 Rh8 23. Rc2 c6 24. Rd1 cxd5 25. cxd5 Rac8 26. Rdc1 Rc4 27. b3 Rcc8 28. Kg2 Rc7 29. Nb1 Rxc2+ 30. Rxc2 Rc8 31. Rxc8 Nxc8 32. Nd2 Bb5 33. Nhf3 Bf8 1/2-1/2

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "2"]
[White "Jonker, Fred"]
[Black "Hoogendoorn, Joost"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "144"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Ne2 e6 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. c3 Ne7 9. Bd3 Bxd3 10. Qxd3 Nd7 11. 0-0 Qb6 12. Nd2 c5 13. Nf3 Nc6 14. Be3 Rc8 15. Rfe1 cxd4 16. Bxd4 Bc5 17. Rac1 0-0 18. a3 Qxb2 19. Rb1 Qxa3 20. Ra1 Qb3 21. Reb1 Qc4 22. Qxc4 dxc4 23. Rxb7 Bxd4 24. cxd4 Nb6 25. Ne4 Rb8 26. Rc7 Rfc8 27. Rxc8+ Nxc8 28. Rc1 Rb4 29. Nc5 Nb6 30. Na6 Rb5 31. Kf1 Kf8 32. g4 Ke7 33. Kg2 Ra5 34. Nc5 Nxd4 35. Nb7 Rd5 36. Nxd4 Rxd4 37. Kg3 Rd3+ 38. f3 Nd7 39. Kf4 Rd4+ 40. Ke3 Rd5 41. f4 f6 42. Rxc4 fxe5 43. Ra4 exf4+ 44. Kxf4 Kf6 45. Rxa7 Rd4+ 46. Ke3 Rxg4 47. Nd6 Ke7 48. Ne4 Rg1 49. Kf2 Rc1 50. Kf3 Rd1 51. Kf4 Rd5 52. Ng3 Rg5 53. Rb7 Ke8 54. Rb1 Nf6 55. Rh1 Kf7 56. Rh3 Ra5 57. Rh1 Nd5+ 58. Ke5 Ne7+ 59. Kf4 Nf5 60. Ne2 Ra2 61. Nc3 Rf2+ 62. Kg4 Rg2+ 63. Kf4 Rf2+ 64. Kg4 Rc2 65. Rh3 Nd6 66. Rf3+ Ke7 67. Re3 Rd2 68. Ne2 Nf5 69. Re4 Kf6 70. Nf4 e5 71. Ne2 Rc2 72. Kf3 Rxe2 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "9"]
[White "Jonker, Fred"]
[Black "Meulenbroek, Kim"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "95"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 e5 3. Nf3 Nc6 4. d4 cxd4 5. cxd4 exd4 6. Nxd4 Nf6 7. Nc3 Bb4 8. Nxc6 dxc6 9. Qxd8+ Kxd8 10. f3 Be6 11. Bg5 h6 12. Bh4 Be7 13. 0-0-0+ Ke8 14. Kb1 Nxe4 15. Nxe4 Bxh4 16. Nd6+ Ke7 17. Nxb7 Bf6 18. Na5 Bd5 19. Ba6 Rhb8 20. Rhe1+ Kf8 21. Re2 Rb6 22. Bc4 Rab8 23. b3 Bxc4 24. Nxc4 Rb5 25. Rd7 R5b7 26. Rxb7 Rxb7 27. Na5 Re7 28. Rxe7 Bxe7 29. Nxc6 Bc5 30. b4 Bb6 31. Kc2 Ke8 32. Kc3 Kd7 33. b5 Kc7 34. a4 Bg1 35. Kc4 Kd6 36. h3 Bf2 37. a5 a6 38. Nd8 axb5+ 39. Kxb5 Ke7 40. Nc6+ Kf6 41. a6 Kf5 42. g3 h5 43. Kc4 Bb6 44. Ne7+ Ke6 45. Nc8 Bf2 46. Kb5 h4 47. gxh4 Kf5 48. Nb6 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "4"]
[White "Jonker, Fred"]
[Black "Van Ginkel, M Pieter"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "55"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. f4 Nc6 7. Nc3 e6 8. Nf3 Be7 9. Bd3 dxe5 10. fxe5 Bd7 11. 0-0 Ncb4 12. Bb1 Nxc3 13. bxc3 Nd5 14. c4 Nc3 15. Qd3 Nxb1 16. Rxb1 b6 17. d5 Bc5+ 18. Be3 Bxe3+ 19. Qxe3 Rc8 20. Ng5 0-0 21. Qf4 h6 22. Ne4 Qe7 23. d6 Qd8 24. Rb3 f5 25. exf6 Rxf6 26. Nxf6+ Qxf6 27. Qxf6 gxf6 28. Rxf6 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "7"]
[White "Jonker, Fred"]
[Black "Van Wissen, Michiel"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "72"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. d3 d6 3. f4 g6 4. Nf3 Bg7 5. Nc3 0-0 6. h3 e5 7. fxe5 dxe5 8. Bg5 Nbd7 9. Qd2 c6 10. Be2 Qc7 11. 0-0 Nh5 12. Kh2 f5 13. Nh4 Nf4 14. g3 Nxe2 15. Nxe2 Nc5 16. b4 Ne6 17. exf5 Nxg5 18. Qxg5 gxf5 19. Nxf5 Bxf5 20. Rxf5 Rxf5 21. Qxf5 Qe7 22. Qe4 Rf8 23. Rg1 Qf7 24. a4 Qa2 25. Qc4+ Qxc4 26. dxc4 Rd8 27. c3 Rd2 28. Rg2 Rc2 29. b5 c5 30. a5 e4 31. h4 Bxc3 32. Nxc3 Rxc3 33. Rd2 Rd3 34. Re2 Rd4 35. Rc2 e3 36. Kg1 Rd1+ 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "5"]
[White "Jonker, Fred"]
[Black "Wemmers, Xander"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "67"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 e6 6. Nc3 Nxc3 7. bxc3 d6 8. f4 dxe5 9. fxe5 Qh4+ 10. g3 Qe4+ 11. Kf2 Bd7 12. Nf3 Bc6 13. Bd3 Qd5 14. c4 Qxf3+ 15. Qxf3 Bxf3 16. Kxf3 Nc6 17. Ke4 0-0-0 18. Bb2 f5+ 19. exf6 gxf6 20. d5 Bg7 21. dxc6 f5+ 22. Ke3 Bxb2 23. cxb7+ Kc7 24. Rab1 Bd4+ 25. Ke2 Rhg8 26. a4 Rb8 27. Rhd1 Bc5 28. Rb5 Kc6 29. Rdb1 Rg7 30. Kf3 Rd7 31. R5b3 a5 32. Re1 Rd6 33. Re5 h5 34. h3 1/2-1/2

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "1"]
[White "Strijbos, Egbert"]
[Black "Jonker, Fred"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "94"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. Nf3 Bg7 4. Bd3 0-0 5. 0-0 d6 6. Nbd2 Nbd7 7. c3 c5 8. b3 a6 9. a4 b6 10. Bb2 Bb7 11. Rb1 d5 12. Re1 Ne4 13. c4 e6 14. Qc2 Ndf6 15. Rbd1 Rc8 16. Bxe4 Nxe4 17. Nxe4 dxe4 18. dxc5 Qe7 19. Bxg7 Kxg7 20. Qc3+ f6 21. Ng5 Rxc5 22. Qd4 Rxg5 23. Qd7 Qxd7 24. Rxd7+ Rf7 25. Red1 Bc8 26. Rd8 Rc5 27. R1d4 f5 28. b4 Rcc7 29. R8d6 Rfd7 30. g3 Rxd6 31. Rxd6 Rxc4 32. Rxb6 Kf7 33. Kf1 Ke7 34. Ke2 Kd7 35. f3 exf3+ 36. Kxf3 Rc6 37. Rxc6 Kxc6 38. e4 g5 39. h3 Kd6 40. exf5 exf5 41. b5 axb5 42. axb5 Kc5 43. h4 h6 44. Ke3 Kxb5 45. Kd4 gxh4 46. gxh4 Kc6 47. Ke5 Kc5 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "8"]
[White "Zonneveld, Richard"]
[Black "Jonker, Fred"]
[Result "0-1"]
[ECO "E98"]
[PlyCount "64"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Ne8 10. f3 f5 11. Be3 f4 12. Bf2 g5 13. b4 h5 14. c5 Rf6 15. Rc1 Rg6 16. a4 g4 17. Kh1 g3 18. Bg1 gxh2 19. Bf2 Bf6 20. a5 h4 21. Kxh2 h3 22. g4 fxg3+ 23. Bxg3 Ng7 24. cxd6 cxd6 25. f4 Rxg3 26. Kxg3 exf4+ 27. Kh2 Bh4 28. Bg4 Bg3+ 29. Kxh3 Ng6 30. Bxc8 Qh4+ 31. Kg2 Qh2+ 32. Kf3 Ne5# 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1993.??.??"]
[Round "6"]
[White "Delemarre, Jop"]
[Black "Jonker, Fred"]
[Result "1-0"]
[ECO "D55"]
[PlyCount "65"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 0-0 6. e3 b6 7. Qc2 Bb7 8. Bxf6 Bxf6 9. cxd5 exd5 10. Bd3 h6 11. b4 Nd7 12. b5 Be7 13. Qb3 Nf6 14. 0-0 Bd6 15. Rfc1 Re8 16. a4 Ne4 17. a5 bxa5 18. Rxa5 c5 19. bxc6 Qxa5 20. cxb7 Rad8 21. Nxd5 Bb8 22. Rc8 Nd6 23. Rxd8 Qxd8 24. Ne5 Qa5 25. g3 Qe1+ 26. Kg2 Qc1 27. Qa4 Qb2 28. Ba6 Rd8 29. Ne7+ Kf8 30. N7c6 Ne4 31. Nd3 Qb6 32. Qb4+ Qxb4 33. Ndxb4 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1993.??.??"]
[Round "5"]
[White "Jonker, Fred"]
[Black "Jacob, Gunnar"]
[Result "1-0"]
[ECO "C40"]
[PlyCount "13"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. exf5 e4 4. Ne5 Nf6 5. Be2 Qe7 6. Bh5+ g6 7. fxg6 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1993.??.??"]
[Round "3"]
[White "Jonker, Fred"]
[Black "Smits, Mark"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "51"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. c3 Nf6 4. e5 Nd5 5. Bd3 cxd4 6. cxd4 Nc6 7. Ne2 Qb6 8. Be4 Bb4+ 9. Nbc3 Nxd4 10. Qxd4 Qxd4 11. Nxd4 Nxc3 12. Bd2 Nxe4 13. Bxb4 f6 14. Nb5 Kd8 15. f3 Ng5 16. Nd6 fxe5 17. h4 Nxf3+ 18. gxf3 a5 19. Bc5 b6 20. Bxb6+ Ke7 21. Bc5 Kf6 22. Ne4+ Kf5 23. Rg1 d5 24. Rg5+ Kf4 25. Kf2 d4 26. Bd6 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1993.??.??"]
[Round "4"]
[White "Utama, Ivan"]
[Black "Jonker, Fred"]
[Result "1-0"]
[ECO "C86"]
[PlyCount "89"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Qe2 b5 7. Bb3 0-0 8. c3 d5 9. exd5 Bg4 10. h3 Bxf3 11. Qxf3 Na5 12. Re1 Bd6 13. d3 h6 14. Bc2 Re8 15. a4 b4 16. Nd2 Bf8 17. Nc4 Nxc4 18. dxc4 Rb8 19. g4 Nh7 20. Bxh7+ Kxh7 21. Qxf7 Qh4 22. Qf3 bxc3 23. Qxc3 Bc5 24. Re2 Bd4 25. Qd3+ Kg8 26. Kg2 Rf8 27. Be3 Rxb2 28. Rxb2 Bxb2 29. Rb1 e4 30. Qxe4 Ba3 31. c5 Kh8 32. Qd3 Qd8 33. Rb3 Qf6 34. Rxa3 Qf3+ 35. Kh2 h5 36. g5 Rd8 37. Rb3 Kg8 38. g6 Kf8 39. d6 cxd6 40. cxd6 Qf6 41. Rb7 Qe5+ 42. Kg2 Rxd6 43. Qc4 Rxg6+ 44. Kf1 Qe8 45. Bc5+ 1-0

