[Event "Bussum op 29th"]
[Site "Bussum"]
[Date "2012.05.28"]
[Round "6.15"]
[White "Kok, Marijke"]
[Black "Van Brummelen, Kevin"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "1916"]
[PlyCount "54"]
[EventDate "2012.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Qg4 Ne7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 dxc3 11. f4 Nbc6 12. Qd3 Bd7 13. Qxc3 Rc8 14. Bd2 a6 15. a4 Qb8 16. Rb1 d4 17. Qb3 Qa7 18. Ng3 d3 19. c3 Na5 20. Qb4 Nec6 21. Qe4 Ne7 22. Nh5 Bc6 23. Nf6+ Kf8 24. Qxd3 Rg6 25. Qh3 Ng8 26. Be3 Bxg2 27. Bxg2 Qb8 1-0

[Event "Bussum op 29th"]
[Site "Bussum"]
[Date "2012.05.27"]
[Round "5.12"]
[White "Galje, Hans"]
[Black "Kok, Marijke"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2100"]
[BlackElo "1916"]
[PlyCount "93"]
[EventDate "2012.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 Na6 7. Qd2 c5 8. d5 Nc7 9. Nge2 a6 10. a4 Re8 11. Ng3 e6 12. Be2 exd5 13. cxd5 Re5 14. 0-0 Qf8 15. f4 Rxg5 16. fxg5 Nd7 17. a5 Ne5 18. Na4 Nb5 19. Bxb5 axb5 20. Nb6 Ra6 21. Ne2 b4 22. Nf4 Qd8 23. Ne2 Bd7 24. Rfc1 Bb5 25. Nd4 Rxb6 26. axb6 Nc4 27. Rxc4 Bxc4 28. Nf3 Ba6 29. e5 Qxb6 30. e6 fxe6 31. dxe6 c4+ 32. Kh1 c3 33. Qf4 Qc7 34. bxc3 bxc3 35. Re1 Bf8 36. Rc1 Bg7 37. Nd4 b5 38. Rxc3 Qe7 39. Re3 Be5 40. Rxe5 dxe5 41. Qxe5 Bc8 42. h4 b4 43. Qb8 Qb7 44. Qd6 Qe4 45. Qd8+ Kg7 46. Qe7+ Kg8 47. Qf7+ 1-0

[Event "Bussum op 29th"]
[Site "Bussum"]
[Date "2012.05.27"]
[Round "4.19"]
[White "Van Renswoude, Jeffrey"]
[Black "Kok, Marijke"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2034"]
[BlackElo "1916"]
[PlyCount "43"]
[EventDate "2012.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 0-0 6. 0-0 Bg4 7. h3 Bxf3 8. Qxf3 Nc6 9. Rd1 e5 10. Ne2 exd4 11. Nxd4 Ne5 12. Qe2 Nxc4 13. Qxc4 Nxe4 14. Ne6 Qf6 15. Nxg7 Qxf2+ 16. Kh1 Qh4 17. Rd4 Qe1+ 18. Kh2 Qg3+ 19. Kg1 Qf2+ 20. Kh2 Qg3+ 21. Kg1 Qf2+ 22. Kh2 1/2-1/2

[Event "Bussum op 29th"]
[Site "Bussum"]
[Date "2012.05.26"]
[Round "2.12"]
[White "Bakker, Guido"]
[Black "Kok, Marijke"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "2089"]
[BlackElo "1916"]
[PlyCount "83"]
[EventDate "2012.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. Nf3 Nbd7 7. 0-0 c5 8. d5 a6 9. a4 Rb8 10. Qc2 b5 11. axb5 axb5 12. cxb5 Nb6 13. e4 Bd7 14. Rd1 Qc7 15. Bf4 Nc4 16. Ra4 Nb6 17. Ra6 Bc8 18. Raa1 Nh5 19. Bg5 h6 20. Bc1 Bd7 21. Bf1 Bg4 22. Be2 Ra8 23. Ra6 Ra7 24. Bd2 Bc8 25. Ra3 Nf6 26. Rda1 Rb7 27. Nd1 e6 28. dxe6 fxe6 29. e5 Ng4 30. Qxg6 Nxe5 31. Nxe5 dxe5 32. Rf3 Rxf3 33. Bxf3 Qf7 34. Qg4 Qf6 35. Bxb7 Bxb7 36. Ra7 h5 37. Qxh5 Bf3 38. Qe8+ Kh7 39. Qe7 Qg6 40. Nc3 Nd5 41. Qf7 Nxc3 42. Qxg6+ 1-0

[Event "Bussum op 29th"]
[Site "Bussum"]
[Date "2012.05.26"]
[Round "3.16"]
[White "Kok, Marijke"]
[Black "Ottenhof, Alexander"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1916"]
[PlyCount "85"]
[EventDate "2012.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Be3 d6 4. Qd2 Nc6 5. Bb5 Bd7 6. Nc3 Nf6 7. f3 a6 8. Bd3 b5 9. Nce2 Qc8 10. Bh6 Kf8 11. h4 e5 12. Qg5 Nxd4 13. Qxf6 Bxh6 14. Qxh8+ Ke7 15. Qxh7 Be3 16. c3 Ne6 17. f4 exf4 18. Nf3 Qh8 19. Qxh8 Rxh8 20. Ned4 Ng7 21. Nc2 Bc5 22. Nb4 a5 23. Nd5+ Kd8 24. Nxf4 c6 25. Kd2 Kc7 26. Ng5 Kb6 27. Raf1 f6 28. Nf3 Rh6 29. a3 a4 30. Bc2 Kb7 31. Nd4 Bb6 32. Bd1 c5 33. Nc2 f5 34. Bf3 Ka6 35. Ne3 Bd8 36. g3 Ba5 37. Ned5 Bd8 38. Re1 Ka5 39. e5 dxe5 40. Rxe5 g5 41. hxg5 Rd6 42. Rh7 Ne8 43. Rxd7 1-0

[Event "Bussum op 29th"]
[Site "Bussum"]
[Date "2012.05.25"]
[Round "1.15"]
[White "Kok, Marijke"]
[Black "Klomp, Robert"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "1916"]
[BlackElo "2121"]
[PlyCount "51"]
[EventDate "2012.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Bd3 b6 9. Qg4 g6 10. Nf3 c4 11. Be2 Qxc2 12. 0-0 Bd7 13. a4 Nc6 14. Rac1 h5 15. Qxe6+ Bxe6 16. Rxc2 Na5 17. Bg5 Nb3 18. Ra2 Bf5 19. Rb2 Kd7 20. Bd1 Na5 21. Rb5 Be6 22. Nd2 Ne7 23. Bf3 Rhd8 24. Rfb1 Ke8 25. Nf1 Rd7 26. Ne3 1/2-1/2

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.21"]
[Round "6"]
[White "Kok, Marijke"]
[Black "Hordijk, Frank"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1757"]
[BlackElo "1537"]
[PlyCount "67"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 e5 4. d5 a6 5. a4 c6 6. e4 cxd5 7. exd5 Qc7 8. Be3 Bb4 9. a5 Nd7 10. Qa4 Bxc3+ 11. bxc3 Ngf6 12. Bxc4 0-0 13. Nf3 Nc5 14. Qb4 Nce4 15. 0-0 Bf5 16. Bb6 Qd6 17. Qxd6 Nxd6 18. Bb3 Bd3 19. Rfe1 e4 20. Ne5 Rac8 21. Rac1 Nc4 22. Bxc4 Bxc4 23. d6 Be6 24. h3 Rfe8 25. g4 Bd7 26. Nxd7 Nxd7 27. Bc7 Re6 28. Rb1 Nc5 29. Red1 e3 30. fxe3 Rxe3 31. d7 Nxd7 32. Rxd7 Rxc3 33. Rxb7 Re8 34. Bf4 1-0

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "2"]
[White "Langedijk, Erik"]
[Black "Kok, Marijke"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1650"]
[BlackElo "1757"]
[PlyCount "82"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be2 Nc6 5. Be3 e5 6. dxe5 Nxe5 7. f4 Nc6 8. Nf3 Nf6 9. h3 0-0 10. Qd2 Qe7 11. Bd3 Re8 12. 0-0-0 a6 13. g4 b5 14. g5 Nh5 15. Nd5 Qd8 16. f5 Ne5 17. Nxe5 dxe5 18. f6 Bf8 19. Qf2 Be6 20. Be2 Qc8 21. Bxh5 Bxd5 22. Rxd5 gxh5 23. Qh4 c6 24. Rdd1 Qe6 25. Kb1 Qc4 26. b3 Qc3 27. Bd2 Qd4 28. Bc1 Qa7 29. Qxh5 b4 30. Qg4 Re6 31. Bb2 a5 32. Qf3 a4 33. h4 c5 34. h5 axb3 35. Qxb3 Qa6 36. g6 c4 37. gxf7+ Kxf7 38. Qh3 Qxa2+ 39. Kc1 Bh6+ 40. Rd2 Bxd2+ 41. Kxd2 Qxb2 0-1

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "4"]
[White "Van Elteren, Hugo"]
[Black "Kok, Marijke"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1729"]
[BlackElo "1757"]
[PlyCount "59"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Nf3 Nc6 5. Be3 Nf6 6. h3 0-0 7. a4 e5 8. dxe5 dxe5 9. Bc4 h6 10. 0-0 Qe7 11. Qe2 Kh7 12. Rfd1 Be6 13. Nd5 Bxd5 14. exd5 Nd8 15. c3 Ne8 16. b4 b6 17. a5 e4 18. Bd4 Bxd4 19. Nxd4 bxa5 20. Rxa5 f5 21. Ne6 Nxe6 22. dxe6 Nd6 23. Bd5 c6 24. Bxc6 Rac8 25. Bd7 Rxc3 26. Rad5 Ne8 27. Bxe8 Qxe8 28. Rd7+ Kg8 29. Qb2 Qc8 30. e7 1-0

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.19"]
[Round "1"]
[White "Kok, Marijke"]
[Black "Kaasjager, W."]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1757"]
[BlackElo "1547"]
[PlyCount "59"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 b6 6. Nf3 Bb7 7. Bg5 Qd6 8. e3 Nd7 9. Bf4 Qe7 10. cxd5 Bxd5 11. c4 Bb7 12. Bxc7 Ngf6 13. Be2 0-0 14. 0-0 Rac8 15. Bf4 Bxf3 16. gxf3 h6 17. Kh1 Nh5 18. Bg3 Rfd8 19. Rg1 Nxg3+ 20. Rxg3 Kh8 21. f4 Nf6 22. Qg1 Rg8 23. Qg2 Qc7 24. Rg1 Ne8 25. Rh3 Nd6 26. Bd3 f5 27. Qg6 Qf7 28. Qxf7 Nxf7 29. Rg6 Rc6 30. d5 1-0

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.04.20"]
[Round "3"]
[White "Kok, Marijke"]
[Black "Bensdorp, Marlies"]
[Result "0-1"]
[ECO "A54"]
[WhiteElo "1757"]
[BlackElo "1669"]
[PlyCount "80"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nf6 3. Nf3 Nbd7 4. Nc3 e5 5. e3 c6 6. Be2 Be7 7. 0-0 Qc7 8. b3 0-0 9. Bb2 Re8 10. Rc1 Nf8 11. d5 c5 12. Nb5 Qb6 13. a3 a6 14. Nc3 Ng6 15. Na4 Qc7 16. b4 b6 17. Qc2 Bd7 18. Nc3 Red8 19. Rfd1 Rac8 20. Rd2 Rf8 21. Qd1 Ng4 22. h3 Nh6 23. Nb1 e4 24. Nh2 f5 25. f4 exf3 26. Nxf3 Rce8 27. Bd3 Nf7 28. e4 fxe4 29. Bxe4 Ng5 30. Re2 Nxf3+ 31. Bxf3 Qc8 32. Bh5 Bg5 33. Rc3 Rxe2 34. Qxe2 Nf4 35. Qd1 Nxh5 36. Qxh5 Bf6 37. Rc2 Bf5 38. Re2 Bxb1 39. Bxf6 Bg6 40. Qg4 Qxg4 0-1

[Event "NED-ch U21 Girls"]
[Site "Arnhem"]
[Date "1996.05.04"]
[Round "7"]
[White "Poffers, Rieke"]
[Black "Kok, Marijke"]
[Result "0-1"]
[ECO "E70"]
[PlyCount "70"]
[EventDate "1996.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 0-0 6. Ng3 e5 7. d5 Nbd7 8. h4 h5 9. Bg5 a5 10. Be2 Qe8 11. Nb5 Qd8 12. Qd2 Nc5 13. Qd1 Qd7 14. Nc3 c6 15. Qd2 Kh7 16. Rd1 Ne8 17. Be3 Qe7 18. f4 exf4 19. Bxf4 Be5 20. Bxe5 Qxe5 21. Qg5 f6 22. Qxe5 dxe5 23. 0-0 Bd7 24. Nh1 Kh6 25. Nf2 Nc7 26. Nd3 N7a6 27. Rf2 Rab8 28. b3 b5 29. Nxc5 Nxc5 30. cxb5 cxb5 31. Bf3 b4 32. Nb1 Bb5 33. a3 Bd3 34. Nd2 f5 35. exf5 e4 0-1

[Event "NED-ch U21 Girls"]
[Site "Arnhem"]
[Date "1996.05.03"]
[Round "6"]
[White "Kok, Marijke"]
[Black "Fongers, Joyce"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "50"]
[EventDate "1996.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. g3 Nc6 3. Nc3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nh3 Nge7 8. 0-0 0-0 9. Be3 Rb8 10. Qd2 b5 11. Rae1 Nd4 12. Nd1 b4 13. c3 b3 14. axb3 Nxb3 15. Qc2 a5 16. g4 f5 17. gxf5 exf5 18. Bf2 fxe4 19. dxe4 Ba6 20. c4 Nd4 21. Qc1 Nec6 22. Ng5 h6 23. Nh3 Nb4 24. Re3 Nbc2 25. Rg3 Ne2+ 0-1

[Event "NED-ch U21 Girls"]
[Site "Arnhem"]
[Date "1996.05.02"]
[Round "5"]
[White "Kok, Marijke"]
[Black "Perluka, Esther"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "49"]
[EventDate "1996.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 e6 4. Nf3 Nf6 5. c4 Qd8 6. Bg5 Be7 7. Nc3 0-0 8. Bd3 c6 9. 0-0 b6 10. Rc1 Bb7 11. Re1 h6 12. Bh4 Re8 13. Bb1 Na6 14. a3 Nd7 15. Bg3 Nf8 16. Ne5 Bf6 17. Qc2 Bxe5 18. dxe5 c5 19. Rcd1 Qe7 20. Nb5 Red8 21. Nd6 Bc6 22. Qe2 Nc7 23. Qg4 Ne8 24. Bh4 f6 25. Nxe8 1-0

[Event "NED-ch U21 Girls"]
[Site "Arnhem"]
[Date "1996.05.01"]
[Round "4"]
[White "Pater, Evelien"]
[Black "Kok, Marijke"]
[Result "1/2-1/2"]
[ECO "C68"]
[PlyCount "46"]
[EventDate "1996.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[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 Bd6 6. d4 Bg4 7. dxe5 Bxf3 8. Qxf3 Bxe5 9. Rd1 Qh4 10. g3 Qh3 11. Na3 b5 12. Bf4 Qe6 13. Bxe5 Qxe5 14. Qg4 Nf6 15. Qxg7 Rg8 16. Qh6 Rg6 17. Qe3 Qxb2 18. Qc5 Nd7 19. Qd4 Qxd4 20. Rxd4 c5 21. Rd5 c4 22. Rad1 Nb6 23. Re5+ Kf8 1/2-1/2

[Event "NED-ch U21 Girls"]
[Site "Arnhem"]
[Date "1996.04.30"]
[Round "3"]
[White "Friesen, Kim"]
[Black "Kok, Marijke"]
[Result "0-1"]
[ECO "E91"]
[PlyCount "110"]
[EventDate "1996.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Nb8 9. Ne1 Nbd7 10. Be3 Ne8 11. b4 f5 12. f3 Nef6 13. c5 f4 14. Bf2 Nh5 15. Nd3 Qg5 16. Qd2 Bh6 17. cxd6 Nb6 18. Bxb6 cxb6 19. Nb5 Bh3 20. Rf2 Rfd8 21. Qb2 a6 22. Nc7 Rac8 23. Rc1 Rxd6 24. Qxe5 Qd8 25. gxh3 Rxc7 26. Rxc7 Qxc7 27. Qe8+ Kg7 28. Rf1 Nf6 29. Qe5 Kf7 30. Rc1 Qd8 31. Qc3 Nd7 32. Qc7 Qg5+ 33. Kh1 Bf8 34. Rg1 Qe7 35. Nxf4 Bg7 36. Ne6 Be5 37. Nd8+ Kg7 38. Nxb7 Rxd5 39. Qc4 Rd4 40. Qxa6 Rxb4 41. Na5 bxa5 42. Qxa5 Rb2 43. Qa6 Qf7 44. Qd3 Rxa2 45. h4 Nc5 46. Qe3 Ne6 47. h5 Bd4 48. h6+ Kf8 49. Qb3 Rxe2 50. Rc1 Rxh2+ 51. Kxh2 Qf4+ 52. Kg2 Qd2+ 53. Kh3 Qxh6+ 54. Kg3 Be5+ 55. Kf2 Qd2+ 0-1

[Event "NED-ch U21 Girls"]
[Site "Arnhem"]
[Date "1996.04.29"]
[Round "2"]
[White "Kok, Marijke"]
[Black "De Mie, Mariska"]
[Result "0-1"]
[ECO "B26"]
[PlyCount "90"]
[EventDate "1996.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. 0-0 e5 7. d3 Nge7 8. Bg5 f6 9. Be3 0-0 10. Qd2 f5 11. Bh6 f4 12. Bxg7 Kxg7 13. gxf4 Rxf4 14. Ne2 Rf6 15. c3 Bg4 16. Ng5 h6 17. f3 Bd7 18. Nh3 g5 19. Ng3 Rg6 20. Nf2 Qb6 21. Kh1 Rf8 22. Ng4 Nd8 23. Nh5+ Kh7 24. Bh3 Ne6 25. Ne3 Qd8 26. Nf5 Nf4 27. Nxe7 Qxe7 28. Nxf4 Rxf4 29. Bg2 Qf7 30. d4 Rgf6 31. dxc5 g4 32. Rf2 gxf3 33. Bf1 dxc5 34. Qd5 Qxd5 35. exd5 e4 36. Re1 Rf8 37. Re3 Re8 38. Bc4 b5 39. Bb3 Kg7 40. Bc2 Bh3 41. Bb1 Re5 42. b3 Rxd5 43. Bc2 Rg4 44. c4 bxc4 45. bxc4 Rdg5 0-1

[Event "NED-ch U21 Girls"]
[Site "Arnhem"]
[Date "1996.04.27"]
[Round "1"]
[White "Leenhouts, Veerle"]
[Black "Kok, Marijke"]
[Result "0-1"]
[ECO "E91"]
[PlyCount "92"]
[EventDate "1996.04.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nc6 7. d5 Nb8 8. 0-0 a5 9. Ne1 e5 10. Nd3 Ne8 11. Be3 f5 12. f3 f4 13. Bf2 Qg5 14. Kh1 Nf6 15. Nb5 Na6 16. Rc1 Bd7 17. a3 Nh5 18. Qd2 Qh6 19. Nc3 g5 20. Qe1 b6 21. b4 Rf6 22. Na2 Rg6 23. c5 g4 24. fxg4 Bxg4 25. Bxg4 Rxg4 26. h3 f3 27. Rg1 Nf4 28. Nxf4 Rxf4 29. cxb6 fxg2+ 30. Kh2 cxb6 31. Rc6 Raf8 32. Be3 Qf6 33. Bxf4 Qxf4+ 34. Qg3 Qxe4 35. Rxg2 Qf4 36. Qxf4 exf4 37. Rxb6 f3 38. Rxa6 fxg2 39. Kxg2 Bd4 40. Rxd6 Rf2+ 41. Kh1 Rxa2 42. Rd8+ Kf7 43. Rd7+ Kg6 44. Rd6+ Kf5 45. Ra6 axb4 46. Ra8 b3 0-1

[Event "Soest op"]
[Site "Soest"]
[Date "1995.??.??"]
[Round "4"]
[White "Bezemer, Bernhard"]
[Black "Kok, Marijke"]
[Result "0-1"]
[ECO "A03"]
[PlyCount "70"]
[EventDate "1995.??.??"]
[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 Nf6 2. Nf3 e6 3. e3 d5 4. b3 c5 5. Bb2 Be7 6. Ne5 Nc6 7. Bb5 Qc7 8. 0-0 0-0 9. Bxc6 bxc6 10. d3 Rb8 11. Nd2 Rd8 12. a3 Ne8 13. Qh5 Nd6 14. Ndf3 f6 15. Ng4 c4 16. b4 cxd3 17. cxd3 Ba6 18. Rfd1 c5 19. Rac1 c4 20. Nd4 Bc8 21. Rf1 g6 22. Nf3 gxh5 23. Nxf6+ Bxf6 24. Bxf6 Rf8 25. Be5 Qb6 26. Bd4 Qb7 27. Ne5 cxd3 28. Nxd3 Nc4 29. Nc5 Qf7 30. Rc3 Qg6 31. Rf3 Kf7 32. Rg3 Qb1+ 33. Kf2 e5 34. Rxc4 Qa2+ 35. Kf3 e4+ 0-1

[Event "Soest op"]
[Site "Soest"]
[Date "1995.??.??"]
[Round "3"]
[White "Kok, Marijke"]
[Black "Belle, Erika"]
[Result "0-1"]
[ECO "B24"]
[BlackElo "2075"]
[PlyCount "66"]
[EventDate "1995.??.??"]
[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. Nc3 Nc6 3. g3 e6 4. Bg2 Nf6 5. d3 d5 6. exd5 Nxd5 7. Nf3 Be7 8. 0-0 0-0 9. Ne4 f5 10. Neg5 h6 11. Nh3 e5 12. c3 Be6 13. Re1 Bf6 14. Nxe5 Bxe5 15. d4 cxd4 16. cxd4 Bf6 17. Rxe6 Nxd4 18. Re1 Rc8 19. Be3 Nxe3 20. fxe3 Nc2 21. Bd5+ Kh7 22. Qf3 Nxa1 23. Rxa1 Bxb2 24. Rd1 Rc1 25. Rxc1 Bxc1 26. Nf4 Qb6 27. Kf2 Re8 28. Ne6 Rxe6 29. Qxf5+ Rg6 30. Bf7 Qxe3+ 31. Kg2 Qe2+ 32. Kh3 Qa6 33. Qc8 Qf1+ 0-1

[Event "Soest op"]
[Site "Soest"]
[Date "1995.??.??"]
[Round "7"]
[White "Kok, Marijke"]
[Black "Veenstra, Hylke"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "100"]
[EventDate "1995.??.??"]
[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. Nc3 Nc6 3. g3 g6 4. f4 d6 5. Nf3 Bg7 6. Bg2 e6 7. d3 Nge7 8. 0-0 0-0 9. Be3 Rb8 10. Qe2 b5 11. e5 Nf5 12. Bf2 Nfd4 13. Qd2 dxe5 14. fxe5 Nxe5 15. Nxe5 Bxe5 16. Ne4 Bb7 17. c3 Nf5 18. Bxc5 Re8 19. Bxa7 Ra8 20. Bf2 Bd5 21. d4 Bg7 22. b3 Rc8 23. Qd3 b4 24. g4 Bxe4 25. Qxe4 Nd6 26. Qf4 g5 27. Qe3 Rxc3 28. Qd2 Nb5 29. Rad1 Qe7 30. Be3 h6 31. h4 Rd8 32. Qf2 gxh4 33. d5 h3 34. Be4 Nd6 35. dxe6 h2+ 36. Kxh2 Qxe6 37. Bd3 Re8 38. Bf4 Be5 39. Qg3 Bxf4 40. Rxf4 Qe3 41. Rf3 Qe5 42. Rf4 Ne4 43. Qf3 Ng5 44. Qf2 Ne6 45. Re1 Qc7 46. Bc4 Rf8 47. Rxe6 fxe6 48. Bxe6+ Kh7 49. Bf5+ Rxf5 50. gxf5 Rc2 0-1

[Event "Soest op"]
[Site "Soest"]
[Date "1995.??.??"]
[Round "5"]
[White "Kok, Marijke"]
[Black "Verwoert, Jef"]
[Result "0-1"]
[ECO "B24"]
[PlyCount "38"]
[EventDate "1995.??.??"]
[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. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 b6 7. Qd2 Bb7 8. f4 Nge7 9. Nge2 0-0 10. 0-0 d5 11. Nd1 dxe4 12. Bxe4 Nd5 13. Bf2 Qd7 14. c3 Rfd8 15. d4 Nde7 16. Be3 cxd4 17. Bxd4 Nxd4 18. Bxb7 Nxe2+ 19. Qxe2 Qxb7 0-1

[Event "Soest op"]
[Site "Soest"]
[Date "1995.??.??"]
[Round "6"]
[White "Timmer, Jos"]
[Black "Kok, Marijke"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "63"]
[EventDate "1995.??.??"]
[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. Nf3 g6 3. c3 Bg7 4. Bg5 Ne4 5. Bh4 0-0 6. Nbd2 f5 7. Nxe4 fxe4 8. Nd2 d5 9. Qb3 c6 10. Nxe4 Rf4 11. f3 Rxh4 12. g3 Rh5 13. g4 Rh4 14. e3 e6 15. Nf2 e5 16. Ne4 Kh8 17. Nf2 exd4 18. cxd4 Qe7 19. 0-0-0 Qc7 20. Bd3 Nd7 21. Qc2 Nb6 22. b3 a5 23. a4 Qd6 24. g5 Qe7 25. Qd2 Qxg5 26. Rdg1 Qe7 27. Qc2 Qxe3+ 28. Kb1 Qxd4 29. Ka2 c5 30. Re1 Bd7 31. Re7 c4 32. Bxg6 0-1

[Event "Soest op"]
[Site "Soest"]
[Date "1995.??.??"]
[Round "2"]
[White "Tissink, Arjan"]
[Black "Kok, Marijke"]
[Result "1/2-1/2"]
[ECO "A45"]
[PlyCount "63"]
[EventDate "1995.??.??"]
[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. Bg5 Ne4 3. Bf4 g6 4. f3 Nf6 5. e4 d6 6. Nc3 Bg7 7. Qd2 Nc6 8. 0-0-0 Nh5 9. Be3 0-0 10. g4 Nf6 11. h4 h5 12. Bh6 e5 13. Bxg7 Kxg7 14. gxh5 Nxd4 15. hxg6 fxg6 16. Nce2 c5 17. Ng3 Be6 18. Kb1 b5 19. h5 Rh8 20. Qg5 Rh6 21. Bh3 Nxh5 22. Qxd8 Rxd8 23. Bxe6 Nxg3 24. Rxh6 Kxh6 25. Bg4 b4 26. Nh3 c4 27. Rg1 Nge2 28. Rh1 Ng3 29. Rh2 Nf1 30. Rf2 Ne3 31. Rh2 Nf1 32. Rf2 1/2-1/2

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "1993.??.??"]
[Round "?"]
[White "Arnold, F."]
[Black "Kok, Marijke"]
[Result "1-0"]
[ECO "C90"]
[PlyCount "98"]
[EventDate "1993.??.??"]
[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 d6 8. c3 Bg4 9. d3 Na5 10. Bc2 c5 11. a3 0-0 12. Nbd2 Qb6 13. Nf1 c4 14. Be3 Qb7 15. h3 Be6 16. d4 exd4 17. Bxd4 Rad8 18. Ng3 Nc6 19. Qe2 Rd7 20. Ng5 h6 21. Nf3 Re8 22. Nh2 Bd8 23. Kh1 Nxd4 24. cxd4 Bb6 25. Qd2 Rde7 26. f4 Qc7 27. f5 Bd7 28. Ng4 Nxg4 29. hxg4 Ba5 30. Qf2 Bxe1 31. Rxe1 f6 32. Nh5 Qa7 33. Nf4 Bc6 34. Ng6 Rc7 35. Qd2 Qb6 36. Qf2 Qa7 37. g5 hxg5 38. Qd2 Rcc8 39. Re3 Qa8 40. d5 Bb7 41. Rh3 Qb8 42. Qd1 Qc7 43. Rh8+ Kf7 44. Rh7 Rg8 45. Qh5 Rce8 46. Nf4+ Kf8 47. Ne6+ Rxe6 48. fxe6 a5 49. Bd1 Qd8 1-0

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "1993.??.??"]
[Round "?"]
[White "Hermeling, S."]
[Black "Kok, Marijke"]
[Result "0-1"]
[ECO "C45"]
[PlyCount "56"]
[EventDate "1993.??.??"]
[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. Nxd4 Bc5 5. Nxc6 bxc6 6. Bc4 Nf6 7. Bg5 Bxf2+ 8. Kf1 h6 9. Qe2 0-0 10. Qxf2 hxg5 11. Nc3 Ng4 12. Qg3 Qf6+ 13. Qf3 Qxf3+ 14. gxf3 Ne3+ 15. Ke2 Nxc4 16. b3 Nd6 17. h4 gxh4 18. Rxh4 f6 19. Rah1 Nf7 20. Ke3 d6 21. Ne2 Re8 22. Ng3 Nh6 23. Kf2 Kf7 24. Nh5 Be6 25. Rg1 Rg8 26. f4 g5 27. fxg5 fxg5 28. Rh2 Ng4+ 0-1

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "1993.??.??"]
[Round "?"]
[White "Keijser, Astrid"]
[Black "Kok, Marijke"]
[Result "1-0"]
[ECO "C77"]
[PlyCount "73"]
[EventDate "1993.??.??"]
[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. d3 b5 6. Bb3 d6 7. c3 Bg4 8. Be3 Be7 9. h3 Bh5 10. Nbd2 Na5 11. Bc2 c5 12. b4 cxb4 13. cxb4 Nc6 14. a3 0-0 15. 0-0 d5 16. exd5 Nxd5 17. Qe1 Bg6 18. Rc1 a5 19. Bb1 Rc8 20. bxa5 Bxa3 21. Rd1 Nc3 22. Bb6 Qd5 23. Ne4 Nxd1 24. Qxd1 Nd4 25. Nxd4 exd4 26. Qd2 Rc6 27. Re1 Rfc8 28. Ba2 Qd7 29. Bb3 Rc1 30. Rxc1 Rxc1+ 31. Kh2 Qb7 32. Bxd4 Bxe4 33. dxe4 Qxe4 34. Bb2 Rc8 35. Bxa3 Qe5+ 36. g3 Qe4 37. Bxf7+ 1-0

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "1993.??.??"]
[Round "?"]
[White "Kok, Marijke"]
[Black "Elshout, P."]
[Result "1-0"]
[ECO "C62"]
[PlyCount "55"]
[EventDate "1993.??.??"]
[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 d6 4. d4 Bd7 5. 0-0 exd4 6. Bxc6 Bxc6 7. Nxd4 Qd7 8. Re1 0-0-0 9. Nc3 g6 10. Nxc6 Qxc6 11. Qd4 f6 12. Qxa7 b6 13. Nd5 Qb7 14. Qa4 Bg7 15. Be3 Rd7 16. Rad1 Ne7 17. Bd4 Rf8 18. Rd3 Rf7 19. Nxc7 Kxc7 20. Rc3+ Kd8 21. Bxb6+ Ke8 22. Rc7 Qxc7 23. Bxc7 Nc8 24. Ba5 Kf8 25. Bb4 Kg8 26. Qa8 Rf8 27. Qc6 Rdd8 28. Qc7 1-0

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "1993.??.??"]
[Round "?"]
[White "Kok, Marijke"]
[Black "Talmon, Danielle"]
[Result "1-0"]
[ECO "B90"]
[PlyCount "55"]
[EventDate "1993.??.??"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nbd7 7. f3 e6 8. Be3 Be7 9. Qd2 0-0 10. 0-0-0 b5 11. Nc6 Qe8 12. Bb3 Bb7 13. Nxe7+ Qxe7 14. Qxd6 Qd8 15. e5 Nd5 16. Nxd5 Bxd5 17. Bxd5 exd5 18. Rxd5 Nxe5 19. Qxe5 Qa5 20. a3 Qa4 21. Rd4 Qa5 22. Rhd1 Rfe8 23. Bd2 Qb6 24. Qd6 Qb7 25. Bc3 h6 26. Rg4 g6 27. Qf6 Kf8 28. Rxg6 1-0

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "1993.??.??"]
[Round "?"]
[White "Kok, Marijke"]
[Black "Vereschildt, S."]
[Result "0-1"]
[ECO "C79"]
[PlyCount "90"]
[EventDate "1993.??.??"]
[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 d6 6. d4 b5 7. dxe5 Nxe5 8. Nxe5 bxa4 9. Nc4 Be7 10. Nc3 Bd7 11. Re1 0-0 12. Bg5 h6 13. Bh4 Re8 14. f4 Rb8 15. e5 dxe5 16. Nxe5 Rxb2 17. Ne4 Bf5 18. Qxd8 Bxd8 19. Nc4 Rb4 20. Bxf6 Bxe4 21. Bxd8 Rxc4 22. Bh4 Rxc2 23. Bf2 f5 24. a3 Rb8 25. Rab1 Rb3 26. Rbc1 Rxa3 27. Rxc2 Bxc2 28. Rc1 Ra2 29. h3 c6 30. g4 fxg4 31. hxg4 Kf7 32. Kg2 Be4+ 33. Kg3 g6 34. Bc5 Rg2+ 35. Kh3 Rc2 36. Rxc2 Bxc2 37. Kh4 Ke6 38. g5 h5 39. Ba3 Kd5 40. Kg3 c5 41. Kf3 Kd4 42. Bb2+ Kd3 43. f5 gxf5 44. g6 Bb3 45. g7 Bg8 0-1

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "1993.??.??"]
[Round "?"]
[White "Kok, Marijke"]
[Black "Wuts, Helene"]
[Result "0-1"]
[ECO "C02"]
[BlackElo "2040"]
[PlyCount "76"]
[EventDate "1993.??.??"]
[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 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. Bc2 cxd4 8. cxd4 Nb4 9. Ba4 Bxa4 10. Qxa4+ Qc6 11. Qxc6+ bxc6 12. Na3 Rb8 13. Ke2 Nh6 14. Bd2 Be7 15. Rhc1 Kd7 16. Nc2 Na6 17. Rab1 c5 18. dxc5 Nxc5 19. b4 Ne4 20. Be1 Rhc8 21. Rb3 Rc4 22. Nfd4 Rbc8 23. Kd3 Bg5 24. Rd1 Ng4 25. f3 Nxe5+ 26. Ke2 Nc3+ 27. Bxc3 Rxc3 28. Rxc3 Rxc3 29. Rb1 Nd3 30. g3 e5 31. Nb5 Rxc2+ 32. Kxd3 Rd2+ 33. Kc3 a6 34. f4 Rxh2 35. fxg5 axb5 36. Rf1 Ke6 37. g4 Rxa2 38. Rh1 e4 0-1

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "1993.??.??"]
[Round "?"]
[White "Raats, V."]
[Black "Kok, Marijke"]
[Result "1-0"]
[ECO "C68"]
[PlyCount "75"]
[EventDate "1993.??.??"]
[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. h3 Qf6 6. d4 exd4 7. Qxd4 c5 8. Qxf6 Nxf6 9. Nc3 Be6 10. 0-0 0-0-0 11. Bg5 h6 12. Be3 g5 13. Rad1 Be7 14. Ne5 Rd6 15. Nd3 Rc6 16. Rd2 Nd7 17. Nd5 Bf8 18. c4 f5 19. f3 Kb8 20. Rfd1 Nb6 21. b3 Nc8 22. Ne5 Rd6 23. Bxc5 Rxd5 24. exd5 Bxc5+ 25. Kf1 Bd6 26. dxe6 Bxe5 27. Rd8 Rxd8 28. Rxd8 Bf6 29. Rf8 Be7 30. Rxf5 Nd6 31. Rd5 c6 32. Rd3 b6 33. Kf2 Nb7 34. Rd7 Bc5+ 35. Kg3 Kc8 36. Kg4 Nd6 37. f4 Ne4 38. fxg5 1-0

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "1993.??.??"]
[Round "?"]
[White "Van Amerongen, Marleen"]
[Black "Kok, Marijke"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "2065"]
[PlyCount "85"]
[EventDate "1993.??.??"]
[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 b5 6. Bb3 Be7 7. Re1 d6 8. c3 Na5 9. Bc2 c5 10. d3 Bg4 11. h3 Bh5 12. Nbd2 0-0 13. Nf1 Re8 14. Ng3 Bg6 15. Nh2 Nd7 16. Ng4 Bh4 17. Ne3 Nf6 18. Nef5 Bxg3 19. Nxg3 Qd7 20. f4 exf4 21. Bxf4 Nc6 22. Bg5 Re6 23. Kh2 d5 24. Qf3 Ne5 25. Qf1 Qd8 26. Rad1 Nfg4+ 27. Kg1 Qxg5 28. hxg4 Nxg4 29. Qf3 Qh4 30. e5 Rae8 31. Bb1 Bh5 32. d4 Qh2+ 33. Kf1 Ne3+ 34. Qxe3 Rf6+ 35. exf6 Rxe3 36. Rxe3 Kf8 37. Rde1 gxf6 38. Re8+ Kg7 39. Kf2 Qh4 40. R1e3 Qf4+ 41. Kg1 f5 42. Nxf5+ Qxf5 43. Bxf5 1-0

[Event "NED-ch U18"]
[Site "Nijmegen"]
[Date "1992.??.??"]
[Round "?"]
[White "Boersma, M."]
[Black "Kok, Marijke"]
[Result "1/2-1/2"]
[ECO "C45"]
[PlyCount "36"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Nc2 Bb6 8. Nd2 0-0 9. Nc4 Rd8 10. Nxb6 axb6 11. Bd3 d5 12. exd5 Rxd5 13. Qe2 Ne5 14. Nb4 Rd6 15. Bc2 Be6 16. Bd4 Bc4 17. Qe4 N7g6 18. 0-0-0 c5 1/2-1/2

[Event "Den Bosch op"]
[Site "Den Bosch"]
[Date "1992.??.??"]
[Round "6"]
[White "Gouma, Ronald"]
[Black "Kok, Marijke"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "47"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. b4 e5 2. a3 f5 3. Bb2 d6 4. e3 Nf6 5. c4 Be7 6. d4 e4 7. Nc3 0-0 8. Qc2 a5 9. b5 c6 10. h3 Nbd7 11. Nge2 Nb6 12. Na4 Be6 13. Nxb6 Qxb6 14. Nc3 cxb5 15. d5 Bd7 16. cxb5 Rac8 17. Qd2 Qc5 18. Be2 Be8 19. 0-0 Bf7 20. Rfd1 Nxd5 21. Nxd5 Bxd5 22. Rac1 Qxc1 23. Qxd5+ Kh8 24. Rxc1 1-0

[Event "Den Bosch op"]
[Site "Den Bosch"]
[Date "1992.??.??"]
[Round "5"]
[White "Kok, Marijke"]
[Black "Baudoin, Paul"]
[Result "1/2-1/2"]
[ECO "B15"]
[PlyCount "43"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng3 g6 6. Nf3 Bg7 7. Bd3 Bg4 8. c3 0-0 9. Bg5 Nbd7 10. Be2 Qc7 11. Qd2 Rfe8 12. 0-0-0 Rad8 13. Bf4 Qa5 14. Kb1 Bxf3 15. Bxf3 e5 16. Bg5 exd4 17. cxd4 Qxd2 18. Rxd2 h6 19. Be3 Nb6 20. Rc1 Nbd5 21. Rd3 Rd7 22. Rb3 1/2-1/2

[Event "NED-ch U18"]
[Site "Nijmegen"]
[Date "1992.??.??"]
[Round "?"]
[White "Kok, Marijke"]
[Black "De Jonge, Floortje"]
[Result "1-0"]
[ECO "C09"]
[PlyCount "51"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Qb6 7. Qe2+ Be6 8. dxc5 Bxc5 9. 0-0 Nge7 10. Nb3 0-0 11. Nxc5 Qxc5 12. c3 Ng6 13. Be3 Qe7 14. b4 Rfe8 15. h3 Qc7 16. Rac1 a6 17. Bd3 Nce5 18. Nxe5 Nxe5 19. Bf4 Bc8 20. Rfe1 f6 21. Bxh7+ Kf8 22. Bg6 Re7 23. Qh5 Re6 24. Rcd1 Qd6 25. Qh8+ Ke7 26. Qe8# 1-0

[Event "Den Bosch op"]
[Site "Den Bosch"]
[Date "1992.??.??"]
[Round "1"]
[White "Kok, Marijke"]
[Black "De Rooij, Gert"]
[Result "0-1"]
[ECO "B73"]
[PlyCount "74"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. Be2 cxd4 7. Nxd4 0-0 8. Be3 Nc6 9. 0-0 Ng4 10. Nxc6 Nxe3 11. Nxd8 Nxd1 12. Nxd1 Rxd8 13. c3 b6 14. Bc4 e6 15. Ne3 Bb7 16. f5 gxf5 17. exf5 d5 18. Bb3 Kh8 19. f6 Bf8 20. Ng4 Bd6 21. Nh6 Rd7 22. Ba4 Rc7 23. Bd1 e5 24. Bh5 Rf8 25. Rad1 e4 26. g3 b5 27. Rf5 a5 28. Re1 Bc5+ 29. Kf1 d4 30. Rg5 d3 31. Bxf7 e3 32. Rxc5 e2+ 33. Kf2 Rxc5 34. Ke3 Be4 35. h4 Rc6 36. Ng4 Rxf7 37. Nf2 Bg6 0-1

[Event "NED-ch U18"]
[Site "Nijmegen"]
[Date "1992.??.??"]
[Round "?"]
[White "Kok, Marijke"]
[Black "Jap Tjoen San, Linda"]
[Result "0-1"]
[ECO "B84"]
[PlyCount "66"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 Be7 7. Be2 a6 8. a4 b6 9. f4 Bb7 10. e5 dxe5 11. fxe5 Nd5 12. Nxd5 Bxd5 13. Bf3 0-0 14. 0-0 Bc5 15. c3 Qc7 16. Bxd5 exd5 17. e6 fxe6 18. Rxf8+ Bxf8 19. Nxe6 Qe5 20. Nxf8 Qxe3+ 21. Kh1 Qe4 22. Qh5 Ra7 23. Rf1 g6 24. Qd1 Re7 25. h3 Re8 26. Nxh7 Kxh7 27. Rf7+ Kg8 28. Rb7 Nc6 29. Rxb6 Ne5 30. Rxa6 Nd3 31. Qd2 Rf8 32. Kg1 d4 33. Qh6 Rf1+ 0-1

[Event "NED-ch U18"]
[Site "Nijmegen"]
[Date "1992.??.??"]
[Round "?"]
[White "Kok, Marijke"]
[Black "Thurlings, C."]
[Result "0-1"]
[ECO "C62"]
[PlyCount "102"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. Nxd4 Bd7 6. 0-0 Nxd4 7. Bxd7+ Qxd7 8. Qxd4 Ne7 9. Rd1 Nc6 10. Qe3 Be7 11. Qg3 Bf6 12. c3 0-0-0 13. b4 h5 14. h3 Qe6 15. f3 Qc4 16. Bb2 Nxb4 17. Qf2 Nc6 18. Nd2 Qc5 19. Qxc5 dxc5 20. Nb3 b6 21. a4 Rxd1+ 22. Rxd1 Rd8 23. Rxd8+ Kxd8 24. f4 Bh4 25. Kh2 Be7 26. Nd2 Na5 27. c4 f6 28. Kg3 g5 29. Bc3 Nc6 30. Nf3 Nb4 31. fxg5 fxg5 32. Ne5 Bd6 33. Kf3 Ke7 34. Ke3 Ke6 35. Nf3 Bf4+ 36. Ke2 a6 37. h4 g4 38. Ng5+ Ke7 39. Kf2 Nd3+ 40. Ke2 Ne5 41. Nh7 Bg3 42. Kf1 Nd7 43. Ke2 Bxh4 44. Ke3 Bg3 45. e5 Bxe5 46. Be1 Ke6 47. Ke4 Nf6+ 48. Nxf6 Bxf6 49. Bg3 c6 50. Bf2 h4 51. Kf4 h3 0-1

[Event "NED-ch U18"]
[Site "Nijmegen"]
[Date "1992.??.??"]
[Round "?"]
[White "Kok, Marijke"]
[Black "Van Loenen, A."]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "48"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. c3 Bd6 7. dxc5 Bxc5 8. Nb3 Bb6 9. Bd3 Qe7+ 10. Qe2 Qxe2+ 11. Bxe2 0-0 12. 0-0 Nc6 13. Bg5 Ne4 14. Bh4 h6 15. Rad1 Be6 16. Nbd4 Bg4 17. Rfe1 a6 18. Nxc6 bxc6 19. Ne5 Bxe2 20. Rxe2 Rfc8 21. Nd7 Bd8 22. Bg3 Ra7 23. Ne5 Nxg3 24. hxg3 Bf6 1/2-1/2

[Event "NED-ch U18"]
[Site "Nijmegen"]
[Date "1992.??.??"]
[Round "?"]
[White "Kok, Marijke"]
[Black "Van der Werf, I."]
[Result "1-0"]
[ECO "B03"]
[PlyCount "45"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 dxe5 6. fxe5 e6 7. Nf3 Be7 8. Be2 Nc6 9. Be3 f6 10. 0-0 0-0 11. Nc3 fxe5 12. d5 exd5 13. cxd5 Nb4 14. Bxb6 axb6 15. Qb3 Kh8 16. Nxe5 Qe8 17. Rxf8+ Bxf8 18. Nf3 Bc5+ 19. Kh1 Qe3 20. Re1 Nxa2 21. Bb5 Nc1 22. Rxe3 Nxb3 23. Re8+ 1-0

[Event "NED-ch U18"]
[Site "Nijmegen"]
[Date "1992.??.??"]
[Round "?"]
[White "Kouwenhoven, Marisca"]
[Black "Kok, Marijke"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "61"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Nxc3 9. bxc3 d5 10. cxb4 dxc4 11. Re1+ Ne7 12. Qe2 Be6 13. Ng5 Bd5 14. b5 c5 15. Ba3 Rc8 16. Bxc5 Rc7 17. Bxa7 Rd7 18. Bc5 h6 19. Nh3 g5 20. Qh5 b6 21. Bb4 Kf8 22. Rxe7 Rxe7 23. Re1 Be6 24. Nxg5 Qxd4 25. Nxe6+ fxe6 26. Qe2 Qd5 27. Qxe6 Qxe6 28. Rxe6 Rhh7 29. Rxe7 Rxe7 30. Bxe7+ Kxe7 31. Kf1 1-0

[Event "Den Bosch op"]
[Site "Den Bosch"]
[Date "1992.??.??"]
[Round "2"]
[White "Quint, Hans"]
[Black "Kok, Marijke"]
[Result "1-0"]
[ECO "C27"]
[PlyCount "54"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 0-0 5. f4 d5 6. Nxd5 Nxd5 7. Bxd5 exf4 8. Bxf4 c6 9. Bb3 Qd4 10. Qd2 Qxb2 11. Rc1 Ba3 12. Ne2 Qf6 13. Rb1 a5 14. 0-0 Nd7 15. Bc7 Qg6 16. Bxa5 b6 17. Bc3 Bd6 18. Rf3 Nc5 19. Nf4 Qh6 20. Rbf1 Bg4 21. Rg3 Nxb3 22. axb3 f5 23. exf5 Ra7 24. Rxg4 Rxf5 25. g3 Raf7 26. Bd4 g5 27. h4 Kf8 1-0

[Event "NED-ch U18"]
[Site "Nijmegen"]
[Date "1992.??.??"]
[Round "?"]
[White "Schoolderman, W."]
[Black "Kok, Marijke"]
[Result "0-1"]
[ECO "C84"]
[PlyCount "56"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. Nc3 0-0 8. 0-0 d6 9. h3 Na5 10. Nh2 Nxb3 11. axb3 d5 12. exd5 Nxd5 13. Nxd5 Qxd5 14. Re1 Bb7 15. Nf3 Bd6 16. Qe2 h6 17. Bd2 f5 18. Bc3 Rae8 19. Rad1 b4 20. Bd2 Rf6 21. Qf1 Qf7 22. Re2 Qh5 23. Ne1 Rg6 24. Kh1 Qxh3+ 25. Kg1 Ree6 26. Bc1 Ref6 27. d4 exd4 28. Rxd4 Qh2# 0-1

[Event "Den Bosch op"]
[Site "Den Bosch"]
[Date "1992.??.??"]
[Round "3"]
[White "Span, Paul"]
[Black "Kok, Marijke"]
[Result "1/2-1/2"]
[ECO "C84"]
[PlyCount "66"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 9. Nbd2 exd4 10. Bd5 Nxd5 11. exd5 dxc3 12. dxc6 cxd2 13. Bxd2 0-0 14. Qb3 Be6 15. Qd3 Bf6 16. Rfe1 Bd5 17. Re3 Re8 18. Rae1 Re6 19. Bc3 Qe7 20. Nd4 Bxd4 21. Bxd4 Re8 22. Qc3 Qg5 23. g3 Qg4 24. f3 Bxf3 25. Rxe6 fxe6 26. Bxg7 Qxg7 27. Qxf3 Qxb2 28. Re4 Re7 29. Rg4+ Rg7 30. Rf4 Kh8 31. Rf8+ Rg8 32. Qf7 Qc1+ 33. Kg2 Qd2+ 1/2-1/2

