[Event "NED-ch U16 Girls"]
[Site "Rotterdam"]
[Date "2016.05.07"]
[Round "7"]
[White "Koning, Femke"]
[Black "Boekhoudt, Nicolien"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1162"]
[BlackElo "1099"]
[PlyCount "63"]
[EventDate "2016.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nc6 4. Nc3 Nf6 5. d3 g6 6. 0-0 Bg7 7. Bd2 0-0 8. h3 Be6 9. Bb3 d5 10. Ng5 Qd7 11. Nxe6 fxe6 12. Rb1 a6 13. f4 b5 14. e5 Ne8 15. a3 Nd4 16. Ne2 Nxb3 17. cxb3 a5 18. Nc3 b4 19. Na4 Qa7 20. Qc1 Rc8 21. Be3 d4 22. Bf2 Bh6 23. Bxd4 Bxf4 24. Rxf4 Rxf4 25. Qxf4 cxd4 26. Rf1 Nc7 27. Qf7+ Kh8 28. Qxe7 Qb8 29. Rf7 Kg8 30. Rg7+ Kh8 31. Rxh7+ Kg8 32. Qg7# 1-0

[Event "NED-ch U16 Girls"]
[Site "Rotterdam"]
[Date "2016.05.06"]
[Round "6"]
[White "Boekhoudt, Nicolien"]
[Black "Kroon, Gerbrich"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1099"]
[BlackElo "1115"]
[PlyCount "141"]
[EventDate "2016.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Bd2 Nd7 7. Nf3 Ne7 8. Nc3 c5 9. Nb5 Ng6 10. Bg5 Qb6 11. Nc3 cxd4 12. Qxd4 Qxd4 13. Nxd4 a6 14. 0-0 h6 15. Bd2 Be7 16. f4 Bc5 17. Be3 Nb6 18. b3 0-0 19. Rae1 Rac8 20. Nce2 Bb4 21. Rc1 Nd7 22. c3 Be7 23. Nf3 Nc5 24. Nd2 Nh4 25. Bf2 Nf5 26. Nd4 Nd3 27. Nxf5 exf5 28. Rc2 Nxf4 29. Be3 Ne2+ 30. Kh1 Nxc3 31. Rfc1 Ba3 32. Rf1 Ne4 33. Rxc8 Rxc8 34. Nf3 Rc3 35. Re1 Bc5 36. Bxc5 Rxc5 37. Nd4 g6 38. h3 Rc3 39. Ne2 Rd3 40. Nf4 Rd2 41. e6 fxe6 42. Nxe6 Rxa2 43. Nf4 Kf7 44. Nxd5 Re2 45. Rc1 Rd2 46. Nf4 Rd1+ 47. Rxd1 Nf2+ 48. Kh2 Nxd1 49. Nd3 b5 50. Kg1 Kf6 51. Kf1 a5 52. Ke1 Ne3 53. Kf2 Nc2 54. Nc5 Ke5 55. Ke2 Kd5 56. Nb7 Nd4+ 57. Kd3 Nxb3 58. Kc3 a4 59. Nd8 g5 60. Nf7 g4 61. hxg4 fxg4 62. Nxh6 Nc5 63. Nxg4 Ne6 64. Kb4 Kd4 65. Nf2 Ke3 66. Nd1+ Kf4 67. Nb2 Nc5 68. Kxc5 a3 69. Nd3+ Kg3 70. Nb4 Kxg2 71. Kxb5 1/2-1/2

[Event "NED-ch U16 Girls"]
[Site "Rotterdam"]
[Date "2016.05.05"]
[Round "5"]
[White "Boekhoudt, Nicolien"]
[Black "Lu, Ting Ting"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1099"]
[BlackElo "1470"]
[PlyCount "72"]
[EventDate "2016.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 Qd6 5. exd5 Qxd5 6. d4 exd4 7. Nxd4 Bd7 8. Bb5 Qxg2 9. Rf1 Nge7 10. Bf4 0-0-0 11. Nd2 Nxd4 12. Bxd7+ Rxd7 13. cxd4 Nc6 14. Be3 Bb4 15. 0-0-0 Bxd2+ 16. Kxd2 Qe4 17. f3 Qh4 18. Kc1 Re8 19. Bf2 Qf4+ 20. Kb1 Qxf3 21. Bg3 Qe4+ 22. Ka1 Qd5 23. Be5 f6 24. Bxf6 gxf6 25. Rxf6 Nxd4 26. Rff1 a6 27. Rfe1 Rxe1 28. Rxe1 Qh5 29. Re8+ Qxe8 30. Qd1 Nc2+ 31. Qxc2 Qe1+ 32. Qb1 Rd1 33. a3 Rxb1+ 34. Ka2 Ra1+ 35. Kb3 Qe3+ 36. Kc2 Rc1# 0-1

[Event "NED-ch U16 Girls"]
[Site "Rotterdam"]
[Date "2016.05.04"]
[Round "4"]
[White "Kalkman, Lorena"]
[Black "Boekhoudt, Nicolien"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1270"]
[BlackElo "1099"]
[PlyCount "83"]
[EventDate "2016.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d5 6. exd5 Nxd5 7. 0-0 0-0 8. Re1 Re8 9. b4 Bb6 10. Qb3 Be6 11. a4 a6 12. Ng5 Qf6 13. Ne4 Qd8 14. Nbd2 Nf4 15. Qc2 Bxc4 16. dxc4 Nd3 17. Re2 f5 18. c5 Ba7 19. Ng3 f4 20. Nge4 Rf8 21. Nf3 b6 22. Ba3 bxc5 23. b5 axb5 24. axb5 Ne7 25. Rd1 c4 26. Qa2 Bb6 27. Qxc4+ Rf7 28. Bxe7 Qxe7 29. Qxd3 Rff8 30. Neg5 g6 31. Rxe5 Qf6 32. Qd7 Qg7 33. Re7 Qxc3 34. Ne6 Bxf2+ 35. Kh1 Ra1 36. Rg7+ Kh8 37. Rxh7+ Kg8 38. Qg7+ Qxg7 39. Rxg7+ Kh8 40. Rxa1 Re8 41. Nfg5 Rf8 42. Ra8 1-0

[Event "NED-ch U16 Girls"]
[Site "Rotterdam"]
[Date "2016.05.03"]
[Round "3"]
[White "Wang, Bi Rong"]
[Black "Boekhoudt, Nicolien"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1013"]
[BlackElo "1099"]
[PlyCount "64"]
[EventDate "2016.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bc5 5. d3 h6 6. 0-0 d6 7. h3 Be6 8. Bb3 Qd7 9. Be3 0-0-0 10. d4 exd4 11. Nxd4 Qe8 12. Nxc6 Qxc6 13. Qd3 Bxe3 14. Qxe3 b6 15. Rfe1 d5 16. exd5 Nxd5 17. Qe4 Rd6 18. Ba4 Qb7 19. Nb5 Rdd8 20. c4 Nf6 21. Qxb7+ Kxb7 22. Bb3 Rd2 23. Nc3 Rxb2 24. Rad1 Bd7 25. Rd3 Re8 26. Rxe8 Bxe8 27. Kf1 Bc6 28. f3 a6 29. Nd1 Rb1 30. Ke1 b5 31. cxb5 Bxb5 32. Rc3 Nd7 1/2-1/2

[Event "NED-ch U16 Girls"]
[Site "Rotterdam"]
[Date "2016.05.02"]
[Round "2"]
[White "Boekhoudt, Nicolien"]
[Black "Calje, Fong Li"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1099"]
[BlackElo "1177"]
[PlyCount "110"]
[EventDate "2016.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 h6 6. Be3 Bb6 7. Qd2 d6 8. 0-0-0 Bg4 9. h3 Be6 10. Ne2 Bxc4 11. dxc4 Nxe4 12. Qe1 Bxe3+ 13. fxe3 Qe7 14. Ng3 Nxg3 15. Qxg3 g6 16. Rhf1 0-0-0 17. Qf2 Qe6 18. Nd2 Rhf8 19. b3 d5 20. e4 d4 21. Nb1 Qe7 22. Qf6 Qe8 23. Rf3 Rd6 24. Qg7 h5 25. c3 Nd8 26. cxd4 Rg8 27. Qh6 Rxd4 28. Rxd4 exd4 29. Qf4 Qe7 30. e5 Qc5 31. Rd3 Re8 32. Rxd4 Qxe5 33. Nc3 Qe1+ 34. Nd1 Ne6 35. Qd2 Nxd4 36. Qxd4 Rd8 37. Qxa7 Qxd1+ 38. Kb2 Qd4+ 39. Qxd4 Rxd4 40. Kc3 Rf4 41. a4 Rf2 42. b4 Rxg2 43. b5 Rg3+ 44. Kb4 Rxh3 45. a5 Rh1 46. c5 Rh4+ 47. Kb3 g5 48. c6 bxc6 49. bxc6 Kb8 50. Kc2 g4 51. Kd3 g3 52. Ke3 g2 53. Kf2 Rg4 54. a6 g1Q+ 55. Ke2 Rf4 0-1

[Event "NED-ch U16 Girls"]
[Site "Rotterdam"]
[Date "2016.05.01"]
[Round "1"]
[White "De Jong, Eliza"]
[Black "Boekhoudt, Nicolien"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1335"]
[BlackElo "1099"]
[PlyCount "79"]
[EventDate "2016.05.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nge7 5. Bc4 g6 6. b3 d5 7. exd5 Nxd5 8. Nxc6 bxc6 9. Bb2 f6 10. Nc3 Bb4 11. Bxd5 cxd5 12. 0-0 Bxc3 13. Bxc3 0-0 14. Re1 Bb7 15. Re6 c5 16. Qf3 Kg7 17. Rae1 Rf7 18. Qg3 Rc8 19. Rd6 Qf8 20. Ree6 Re8 21. Rxf6 d4 22. Rxf7+ Qxf7 23. Bd2 Re2 24. Ba5 Qe7 25. h3 Rxc2 26. Bd8 Qe1+ 27. Kh2 Rc1 28. Bf6+ Kf7 29. Rd7+ Ke8 30. Re7+ Qxe7 31. Bxe7 Kxe7 32. Qc7+ Ke6 33. Qxb7 d3 34. Qc6+ Ke5 35. Qf3 Kd4 36. Qe3+ Kc3 37. Qxc1+ Kd4 38. Qc4+ Ke5 39. Qxd3 a5 40. a4 1-0

[Event "NED-ch U21/U17 Girls"]
[Site "Rotterdam"]
[Date "2015.05.09"]
[Round "9"]
[White "Boekhoudt, Nicolien"]
[Black "Reichardt, Monica"]
[Result "1/2-1/2"]
[ECO "B25"]
[BlackElo "1860"]
[PlyCount "126"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nh3 Nge7 8. g4 a6 9. Be3 Nd4 10. 0-0 Qc7 11. Qc1 Bd7 12. Rf2 0-0-0 13. Ne2 Nxe2+ 14. Rxe2 h5 15. g5 f6 16. c3 Kb8 17. d4 cxd4 18. cxd4 Qxc1+ 19. Rxc1 Rc8 20. Rxc8+ Rxc8 21. e5 fxe5 22. dxe5 dxe5 23. fxe5 Bxe5 24. Bf4 Bxf4 25. Nxf4 Rc5 26. Nxe6 Bxe6 27. Rxe6 Nf5 28. Be4 Nh4 29. Re8+ Ka7 30. Re7 Rxg5+ 31. Kf2 Rb5 32. b3 Nf5 33. Re6 g5 34. Rf6 Nd4 35. Rd6 Nf5 36. Rd5 Rxd5 37. Bxd5 b5 38. Bf3 g4 39. Be4 Nd4 40. Bg6 h4 41. Bh5 g3+ 42. hxg3 hxg3+ 43. Kxg3 Kb6 44. Kf4 Kc5 45. Bd1 Kb4 46. Ke3 Kc3 47. Ke4 Nc2 48. Ke5 Kb2 49. Kd6 Nb4 50. a4 bxa4 51. bxa4 Ka3 52. Kc7 Kb2 53. Kb6 Kc3 54. a5 Kd4 55. Be2 Kd5 56. Bxa6 Nxa6 57. Kxa6 Kc6 58. Ka7 Kc7 59. a6 Kc8 60. Kb6 Kb8 61. Ka5 Ka7 62. Kb5 Ka8 63. Kb6 Kb8 1/2-1/2

[Event "NED-ch U21/U17 Girls"]
[Site "Rotterdam"]
[Date "2015.05.08"]
[Round "8"]
[White "Boekhoudt, Nicolien"]
[Black "Waardenburg, Feline"]
[Result "0-1"]
[ECO "B25"]
[BlackElo "1490"]
[PlyCount "64"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nh3 Nge7 8. Ne2 Qb6 9. c3 Bd7 10. Rb1 Qc7 11. d4 cxd4 12. cxd4 Qa5+ 13. b4 Qxa2 14. Be3 Qc4 15. Qd2 d5 16. 0-0 dxe4 17. Bxe4 Nf5 18. Rfc1 Qb5 19. Nc3 Qb6 20. Bxf5 exf5 21. d5 Bd4 22. Re1 0-0 23. dxc6 Bxe3+ 24. Qxe3 Qxc6 25. b5 Qc4 26. Rec1 Rfe8 27. Qd2 Rad8 28. Nd5 Re2 29. Qd1 Qa2 30. Nc3 Rg2+ 31. Kh1 Rxh2+ 32. Kg1 Qg2# 0-1

[Event "NED-ch U21/U17 Girls"]
[Site "Rotterdam"]
[Date "2015.05.07"]
[Round "7"]
[White "Koning, Femke"]
[Black "Boekhoudt, Nicolien"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "45"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nc3 Bb4 6. Be2 Bxc3+ 7. bxc3 Nf6 8. 0-0 0-0 9. Nf5 Qxe4 10. Bd3 Qg4 11. f3 Qa4 12. Nxg7 Kxg7 13. Bh6+ Kxh6 14. Qd2+ Kh5 15. g4+ Nxg4 16. fxg4+ Qxg4+ 17. Kh1 Nd4 18. cxd4 b6 19. Rf5+ Qxf5 20. Bxf5 Rg8 21. Be4 c6 22. Bf3+ Kh4 23. Qh6# 1-0

[Event "NED-ch U21/U17 Girls"]
[Site "Rotterdam"]
[Date "2015.05.06"]
[Round "6"]
[White "De Jong, Eliza"]
[Black "Boekhoudt, Nicolien"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1429"]
[PlyCount "129"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nc3 Bb4 6. Nxc6 Bxc3+ 7. bxc3 Qxe4+ 8. Qe2 Qxe2+ 9. Bxe2 dxc6 10. Bf4 Bf5 11. Bd3 Bxd3 12. cxd3 0-0-0 13. Kd2 Nf6 14. Rhe1 Rd7 15. Re3 Nd5 16. Rf3 Nxf4 17. Rxf4 Rhd8 18. Rf3 c5 19. c4 c6 20. Rb1 a6 21. a4 g6 22. a5 h5 23. h4 Rg8 24. Rf6 g5 25. hxg5 Rxg5 26. g3 Rg4 27. Kc3 h4 28. gxh4 Rxh4 29. Rf5 Rh3 30. Rd1 Kc7 31. Rxc5 Rf3 32. Rd2 b6 33. axb6+ Kxb6 34. Re5 a5 35. Re3 Rf4 36. Rb2+ Ka6 37. c5 Rb7 38. Rxb7 Kxb7 39. Re2 a4 40. Rb2+ Kc7 41. Rb4 Rxf2 42. Rxa4 Rf3 43. Re4 f5 44. Re7+ Kd8 45. Rf7 Ke8 46. Rf6 Kd7 47. Kd2 Rf2+ 48. Ke3 Rf1 49. Kd4 Rf4+ 50. Ke5 Rf3 51. d4 Re3+ 52. Kxf5 Rf3+ 53. Kg6 Rg3+ 54. Kf7 Rg4 55. Rd6+ Kc7 56. Ke6 Rg6+ 57. Ke5 Rg5+ 58. Kf6 Rh5 59. Kg6 Rh1 60. Kf7 Rh7+ 61. Kf6 Rh6+ 62. Ke7 Rh7+ 63. Ke6 Rh6+ 64. Ke7 Rh7+ 65. Kf6 1/2-1/2

[Event "NED-ch U21/U17 Girls"]
[Site "Rotterdam"]
[Date "2015.05.05"]
[Round "5"]
[White "Boekhoudt, Nicolien"]
[Black "Naber, Quirine"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "106"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 c6 5. Bf4 Bg7 6. Qd2 b5 7. a3 Bb7 8. Bd3 a6 9. e5 dxe5 10. Bxe5 Nbd7 11. Qe2 Nxe5 12. dxe5 Nd5 13. Rd1 Nxc3 14. bxc3 Qa5 15. 0-0 e6 16. Qd2 0-0 17. Ra1 Rfd8 18. Rfd1 c5 19. Qe1 c4 20. Be2 Be4 21. Rxd8+ Rxd8 22. Bd1 Bxf3 23. Bxf3 Qc7 24. a4 Qxe5 25. Qxe5 Bxe5 26. axb5 axb5 27. Ra3 Rd2 28. Ra2 Bxc3 29. g4 b4 30. Be4 Bd4 31. Ra4 Rxf2 32. Kh1 Rf4 33. Bg2 Bc3 34. h3 Rf2 35. Be4 Re2 36. Bf3 Rxc2 37. Ra8+ Kg7 38. Rc8 b3 39. Rb8 b2 40. Be4 Re2 41. Bf3 Re1+ 42. Kg2 b1Q 43. Rxb1 Rxb1 44. h4 Rb2+ 45. Kf1 Ba5 46. h5 c3 47. Be4 c2 48. Bxc2 Rxc2 49. hxg6 Kxg6 50. g5 Kxg5 51. Kg1 Kg4 52. Kf1 Kg3 53. Kg1 Rc1# 0-1

[Event "NED-ch U21/U17 Girls"]
[Site "Rotterdam"]
[Date "2015.05.04"]
[Round "4"]
[White "Boekhoudt, Nicolien"]
[Black "Martinez, Sara"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "59"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bc4 Nxd5 4. Nf3 Bg4 5. h3 Bh5 6. g4 Bg6 7. d3 Nc6 8. Qe2 e6 9. Bd2 Bc5 10. Nc3 Nxc3 11. Bxc3 0-0 12. 0-0-0 Nb4 13. Qe5 Qf6 14. Qxc5 Nxa2+ 15. Bxa2 Qxf3 16. Qe5 Qf6 17. Qxf6 gxf6 18. Bxf6 a5 19. h4 h6 20. h5 Bh7 21. Rdg1 Rfb8 22. g5 hxg5 23. Rxg5+ Kf8 24. h6 a4 25. Rg7 Bg8 26. h7 Bxh7 27. Rhxh7 Ke8 28. Rxf7 a3 29. Re7+ Kd8 30. Rh8# 1-0

[Event "NED-ch U21/U17 Girls"]
[Site "Rotterdam"]
[Date "2015.05.03"]
[Round "2"]
[White "Boekhoudt, Nicolien"]
[Black "Mestrom, Sterre"]
[Result "0-1"]
[ECO "B06"]
[BlackElo "1312"]
[PlyCount "146"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. Bf4 e6 5. Nc3 Ne7 6. Qe2 Bd7 7. 0-0-0 a6 8. h4 b5 9. a3 h5 10. Ng5 Nbc6 11. Qe3 b4 12. axb4 Nxb4 13. Bc4 a5 14. Kd2 Nec6 15. d5 Nd4 16. Rc1 e5 17. Bg3 Bh6 18. f4 f6 19. Ne6 Bxe6 20. dxe6 Qe7 21. Rhd1 Nxe6 22. Bxe6 Qxe6 23. Ke1 Kd7 24. Qf2 Qg4 25. Ne2 Rhf8 26. c3 Nc6 27. Rd3 g5 28. hxg5 exf4 29. Qxf4 Qxf4 30. Nxf4 Bxg5 31. Rcd1 Bxf4 32. Bxf4 Ne5 33. Rh3 Rh8 34. b3 Rag8 35. g3 Rg4 36. Rh1 h4 37. Kf2 hxg3+ 38. Bxg3 Rxh1 39. Rxh1 Rxe4 40. Rh7+ Kc6 41. c4 Nd3+ 42. Kf3 Re8 43. Rh1 Rb8 44. Rb1 a4 45. Ke2 Nc5 46. b4 Nb3 47. b5+ Kc5 48. Kd3 c6 49. Bf2+ Kb4 50. bxc6 Rc8 51. Be1+ Kc5 52. Bh4 f5 53. Bf6 Rxc6 54. Kc3 Kb6 55. Bd4+ Kc7 56. Kb4 Nxd4 57. Kxa4 Ra6+ 58. Kb4 Rb6+ 59. Kc3 Rxb1 60. Kxd4 Kc6 61. Kc3 Kc5 62. Kd3 Rc1 63. Ke3 Rxc4 64. Kd3 Re4 65. Kd2 Kd4 66. Kc2 f4 67. Kb3 Kd5 68. Kb2 f3 69. Kb3 f2 70. Kb2 f1Q 71. Kb3 Qb1+ 72. Ka3 Re8 73. Ka4 Ra8# 0-1

[Event "NED-ch U21/U17 Girls"]
[Site "Rotterdam"]
[Date "2015.05.03"]
[Round "3"]
[White "Knottnerus, Willeke"]
[Black "Boekhoudt, Nicolien"]
[Result "0-1"]
[ECO "C69"]
[PlyCount "130"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 f6 4. Bb5 a6 5. Bxc6 dxc6 6. 0-0 Bg4 7. d5 cxd5 8. exd5 Ne7 9. h3 Bh5 10. g4 Bg6 11. c4 Qd6 12. Qa4+ c6 13. Nc3 h5 14. Rd1 hxg4 15. dxc6 Qxc6 16. Qxc6+ Nxc6 17. hxg4 Rd8 18. Be3 Bd6 19. Bb6 Rd7 20. c5 Bb8 21. Re1 Kf7 22. Ne4 Nd4 23. Nxd4 exd4 24. Rad1 Bh2+ 25. Kg2 Be5 26. Nd6+ Kf8 27. Ba5 Rh4 28. f3 Rh2+ 29. Kg1 Rxb2 30. a3 d3 31. Nc4 Bh2+ 32. Kh1 Rf2 33. Bb4 Kg8 34. Nb6 Rd8 35. Nc4 Bf4 36. Nd2 Bxd2 37. Rxd2 Rxf3 38. Re7 Re8 39. Rd7 Re2 40. Rxe2 dxe2 41. Re7 Bd3 42. Kg2 Rf1 43. Re3 Bc4 44. Re7 g6 45. c6 bxc6 46. Re8+ Kf7 47. Re7+ Kg8 48. Re8+ Kh7 49. g5 Bd5+ 50. Kh3 Rf3+ 51. Kh2 Bc4 52. gxf6 Rxf6 53. Bc3 e1Q 54. Bxe1 Rf3 55. Bb4 g5 56. Rd8 g4 57. Rd7+ Kg6 58. Rd6+ Kf5 59. Rxc6 g3+ 60. Kg2 Bd5 61. Rc5 Rd3+ 62. Rxd5+ Rxd5 63. Kxg3 a5 64. Bf8 Ke6 65. Kf4 Rf5+ 0-1

[Event "NED-ch U21/U17 Girls"]
[Site "Rotterdam"]
[Date "2015.05.02"]
[Round "1"]
[White "Den Dunnen, Lola"]
[Black "Boekhoudt, Nicolien"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "1724"]
[PlyCount "95"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 Bf5 7. Nf3 a6 8. Be2 e6 9. Nh4 Bb4 10. Nxf5 exf5 11. 0-0 0-0 12. Bg5 Bxc3 13. bxc3 Re8 14. Bf3 Re6 15. Qc2 Ne7 16. c4 Rc8 17. c5 b6 18. Rac1 Rec6 19. Qb2 bxc5 20. Bxf6 Rxf6 21. Rxc5 Rxc5 22. dxc5 Rc6 23. Rc1 Qa5 24. Bxd5 Rc8 25. Bf3 h6 26. Qc2 g5 27. Bb7 Rc7 28. c6 Nd5 29. h3 Qb5 30. Rb1 Qa5 31. Qc4 Nc3 32. Rc1 Nxa2 33. Ra1 Qb6 34. Qxa2 Rxb7 35. cxb7 Qxb7 36. Qxa6 Qb2 37. Qc8+ Kg7 38. Ra8 Qb1+ 39. Kh2 Qb6 40. Qb8 Qe6 41. Qh8+ Kg6 42. Qa1 Qd6+ 43. Kg1 Qd7 44. Ra6+ Kh5 45. Qf6 Qd1+ 46. Kh2 Kh4 47. Qxh6+ Qh5 48. g3# 1-0

[Event "NED-ch U14 op"]
[Site "Borne"]
[Date "2013.08.08"]
[Round "6"]
[White "Boekhoudt, Nicolien"]
[Black "De Boer, Sipke"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "801"]
[BlackElo "955"]
[PlyCount "47"]
[EventDate "2013.08.05"]
[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. Bc4 Nf6 4. d3 Bc5 5. Nc3 d6 6. h3 0-0 7. Bg5 Be6 8. Qd2 Bxc4 9. dxc4 Nd4 10. Nd5 Nxf3+ 11. gxf3 Kh8 12. Nxf6 gxf6 13. Bh4 Rg8 14. 0-0-0 Qe7 15. f4 Qe6 16. f5 Qe8 17. Bxf6+ Rg7 18. Qg5 Qf8 19. Rdg1 Kg8 20. Bxg7 f6 21. Qg4 Qc8 22. Bxf6+ Kf7 23. Qg7+ Ke8 24. Qe7# 1-0

[Event "NED-ch U14 op"]
[Site "Borne"]
[Date "2013.08.07"]
[Round "5"]
[White "Bekedam, Tyro"]
[Black "Boekhoudt, Nicolien"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1771"]
[BlackElo "801"]
[PlyCount "103"]
[EventDate "2013.08.05"]
[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. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 dxc6 7. Qxd8+ Kxd8 8. Bg5 Re8 9. 0-0-0+ Bd7 10. f3 Kc8 11. Bc4 Be6 12. Bxe6+ Rxe6 13. Rhe1 Bxc3 14. bxc3 b5 15. Re2 h6 16. Bxf6 Rxf6 17. Red2 Kb7 18. Rd7 a5 19. Re7 Kb6 20. Rdd7 Ra7 21. Rxf7 Rxf7 22. Rxf7 b4 23. cxb4 axb4 24. Kb2 c5 25. Rxg7 c4 26. c3 Ra3 27. cxb4 Re3 28. a4 Rb3+ 29. Kc2 Rxb4 30. e5 Rxa4 31. e6 Ra1 32. f4 Ra2+ 33. Kc3 Kb5 34. e7 Ra3+ 35. Kb2 Ra8 36. f5 Rb8 37. f6 Kc5+ 38. Kc2 Kd6 39. Rf7 Re8 40. Rf8 Ke6 41. Rxe8 Kxf6 42. Rh8 Kxe7 43. Rxh6 Kf7 44. h4 Kg7 45. Rc6 Kh7 46. g4 Kg7 47. g5 Kh7 48. h5 c3 49. Rxc7+ Kg8 50. h6 Kh8 51. g6 Kg8 52. Rc8# 1-0

[Event "NED-ch U14 op"]
[Site "Borne"]
[Date "2013.08.07"]
[Round "4"]
[White "Boekhoudt, Nicolien"]
[Black "Maes, Marlies"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "801"]
[BlackElo "1092"]
[PlyCount "49"]
[EventDate "2013.08.05"]
[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. Bc4 Bc5 4. Nc3 Nf6 5. d3 h6 6. Be3 Bb6 7. Qd2 0-0 8. 0-0-0 d6 9. h3 Be6 10. g4 Nh7 11. g5 Bxe3 12. Qxe3 hxg5 13. Rdg1 Nd4 14. Nxg5 Nxg5 15. Rxg5 Qf6 16. Rhg1 g6 17. Bxe6 Nxe6 18. Nd5 Qd8 19. R5g4 c6 20. Nc3 d5 21. exd5 Nd4 22. Qxe5 Nf3 23. Rxg6+ fxg6 24. Rxg6+ Kf7 25. Qe6# 1-0

[Event "NED-ch U14 op"]
[Site "Borne"]
[Date "2013.08.06"]
[Round "2"]
[White "Boekhoudt, Nicolien"]
[Black "Van Harten, Lucas"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "801"]
[BlackElo "1118"]
[PlyCount "73"]
[EventDate "2013.08.05"]
[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. Nf3 d5 3. Nc3 Bg4 4. d3 d4 5. h3 Bh5 6. g4 dxc3 7. gxh5 cxb2 8. Bxb2 h6 9. Rg1 Nf6 10. Ne5 Nbd7 11. h4 Qa5+ 12. Qd2 Qxd2+ 13. Kxd2 Nxe5 14. Bxe5 Nxh5 15. Be2 Nf6 16. Rab1 b6 17. d4 Nxe4+ 18. Ke1 Nf6 19. Bf3 Rc8 20. c4 e6 21. a4 c5 22. dxc5 Bxc5 23. Rd1 0-0 24. Bxf6 g6 25. h5 g5 26. Be2 a6 27. Rg3 Bb4+ 28. Kf1 Rfe8 29. f4 Be7 30. Bxe7 Rxe7 31. fxg5 hxg5 32. Rxg5+ Kh7 33. Kf2 f6 34. Rg6 Rf8 35. Rdg1 Rff7 36. Bd3 Kh8 37. Rh6+ 1-0

[Event "NED-ch U14 op"]
[Site "Borne"]
[Date "2013.08.06"]
[Round "3"]
[White "Kanger, Martijn"]
[Black "Boekhoudt, Nicolien"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1332"]
[BlackElo "801"]
[PlyCount "79"]
[EventDate "2013.08.05"]
[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. d4 d5 4. Nxe5 dxe4 5. Nxc6 bxc6 6. Nc3 Nf6 7. Bc4 Bd6 8. 0-0 Be6 9. Bxe6 fxe6 10. Qe2 0-0 11. Nxe4 Nxe4 12. Qxe4 Qd7 13. Re1 Rae8 14. Bd2 Rf5 15. Bc3 Rf4 16. Qe3 Qf7 17. Rad1 Qf5 18. Rd2 Rh4 19. g3 Rg4 20. Rde2 Bf4 21. Qf3 h5 22. Re4 Rf8 23. Rxe6 h4 24. Re8 Rg6 25. Kf1 hxg3 26. hxg3 Qh3+ 27. Qg2 Qxg2+ 28. Kxg2 Bd6 29. Rxf8+ Kxf8 30. Bd2 Rg4 31. c3 a5 32. Kf3 Rg6 33. Bf4 Rf6 34. Re4 g5 35. Ke3 gxf4+ 36. gxf4 a4 37. d5 cxd5 38. Rxa4 Bxf4+ 39. Rxf4 Rxf4 40. Kxf4 1-0

[Event "NED-ch U14 op"]
[Site "Borne"]
[Date "2013.08.05"]
[Round "1"]
[White "Pirard, Natan"]
[Black "Boekhoudt, Nicolien"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "1465"]
[BlackElo "801"]
[PlyCount "42"]
[EventDate "2013.08.05"]
[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 Bd6 4. 0-0 Nf6 5. Re1 a6 6. Ba4 b5 7. Bb3 Bc5 8. c3 Ng4 9. d4 exd4 10. cxd4 Bb4 11. Nfd2 Bxd2 12. Qxd2 Bb7 13. Qf4 Nh6 14. Nc3 Na5 15. Bc2 d6 16. e5 d5 17. e6 f6 18. Qh4 Qd6 19. Qh5+ g6 20. Qxh6 0-0-0 21. Qh3 f5 1-0

[Event "NED-ch U15 Girls"]
[Site "Sneek"]
[Date "2013.05.05"]
[Round "9"]
[White "Knottnerus, Willeke"]
[Black "Boekhoudt, Nicolien"]
[Result "1-0"]
[ECO "C47"]
[PlyCount "103"]
[EventDate "2013.04.27"]
[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. Nc3 Nf6 4. Be2 Bc5 5. 0-0 d6 6. d3 h6 7. Be3 Bb6 8. d4 Bg4 9. d5 Nb4 10. a3 Na6 11. Bb5+ Bd7 12. Bxd7+ Qxd7 13. b4 0-0 14. Qd2 Qg4 15. h3 Qg6 16. Nh4 Nxe4 17. Nxg6 Nxd2 18. Ne7+ Kh8 19. Bxd2 Bd4 20. Nf5 Rae8 21. Nxd4 exd4 22. Nb5 c6 23. dxc6 bxc6 24. Nxd4 c5 25. bxc5 Nxc5 26. Nb5 Re2 27. Bb4 Rxc2 28. Nxd6 Nb3 29. Rad1 a5 30. Rb1 Nd2 31. Bxd2 Rxd2 32. Nc4 Rd5 33. Nb6 Rd3 34. a4 Rd4 35. Rfc1 Rb8 36. Rc8+ Rxc8 37. Nxc8 Rxa4 38. Nd6 Rf4 39. Ra1 Rf6 40. Nc4 a4 41. Rxa4 Rf4 42. Ra8+ Kh7 43. Ne3 g5 44. Ra6 f5 45. g3 Rf3 46. Kg2 Rxe3 47. fxe3 h5 48. Kf3 g4+ 49. hxg4 fxg4+ 50. Kf4 Kg7 51. Kg5 Kf7 52. Kxh5 1-0

[Event "NED-ch U15 Girls"]
[Site "Sneek"]
[Date "2013.05.04"]
[Round "8"]
[White "Boekhoudt, Nicolien"]
[Black "De Kraker, Lena"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "96"]
[EventDate "2013.04.27"]
[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. Bc4 Bc5 4. Nxe5 Nxe5 5. Bb3 Qh4 6. Qe2 Ng4 7. g3 Bxf2+ 8. Kd1 Bxg3 9. Qf1 Nf2+ 10. Ke1 Nd3+ 11. Kd1 Nf2+ 12. Ke1 Qxe4+ 13. Qe2 Qxe2+ 14. Kxe2 Nxh1 15. hxg3 Nxg3+ 16. Kf3 Nf5 17. Ba4 b5 18. Bb3 Nd4+ 19. Ke3 Nxb3 20. axb3 Nf6 21. Nc3 c6 22. d4 h5 23. Kf2 d5 24. Bf4 Ne4+ 25. Nxe4 dxe4 26. Re1 f5 27. Be5 Rh7 28. c4 g5 29. d5 cxd5 30. cxd5 Bd7 31. d6 g4 32. Bg3 h4 33. Bh2 Rc8 34. b4 Rc2+ 35. Kg1 g3 36. Bxg3 hxg3 37. Rf1 g2 38. Rf2 Rh1+ 39. Kxg2 Rxf2+ 40. Kxf2 Rh2+ 41. Kg3 e3 42. Kxh2 e2 43. b3 e1Q 44. Kg2 f4 45. Kf3 Qe3+ 46. Kg2 Bh3+ 47. Kh2 Qg3+ 48. Kh1 Qg2# 0-1

[Event "NED-ch U15 Girls"]
[Site "Sneek"]
[Date "2013.05.03"]
[Round "7"]
[White "Mestrom, Sterre"]
[Black "Boekhoudt, Nicolien"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "127"]
[EventDate "2013.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. g3 Bf5 4. a3 Nf6 5. Bg2 h6 6. Nc3 e6 7. Bd2 Bd6 8. 0-0 e5 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. Re1 Qd7 12. Rb1 0-0-0 13. b4 Bh3 14. Bh1 Ng4 15. Bg2 Bxg2 16. Kxg2 Qc6 17. b5 Qc5 18. e3 Bxc3 19. Bxc3 Qxc3 20. Qxg4+ Kb8 21. Red1 Qxc2 22. Qxg7 Qe4+ 23. Kg1 f5 24. Rb4 Qf3 25. Re1 Rdg8 26. Qe5 b6 27. Rf4 Qh5 28. Qxf5 Qxf5 29. Rxf5 Rd8 30. Rd1 h5 31. h4 Rhe8 32. Rfxd5 Rxd5 33. Rxd5 Re4 34. Rd4 Re5 35. a4 Rc5 36. Rd8+ Kb7 37. Rh8 Rc1+ 38. Kg2 Ra1 39. Rxh5 Rxa4 40. f4 Ra2+ 41. Kf3 Ra1 42. f5 a5 43. bxa6+ Kxa6 44. g4 c5 45. Kf4 c4 46. f6 c3 47. Rh7 c2 48. Rc7 c1Q 49. Rxc1 Rxc1 50. Kg5 Rc5+ 51. Kg6 Rc6 52. Kg7 Rc7+ 53. f7 b5 54. Kg8 Rc8+ 55. f8Q Rxf8+ 56. Kxf8 b4 57. g5 b3 58. g6 b2 59. g7 b1Q 60. g8Q Qb4+ 61. Kg7 Qg4+ 62. Kf8 Qc8+ 63. Kf7 Qc7+ 64. Kf8 1/2-1/2

[Event "NED-ch U15 Girls"]
[Site "Sneek"]
[Date "2013.05.02"]
[Round "6"]
[White "Boekhoudt, Nicolien"]
[Black "Balt, Merel"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "74"]
[EventDate "2013.04.27"]
[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. Bc4 Nf6 4. Nc3 Bc5 5. d3 d6 6. Bg5 Bg4 7. h3 Be6 8. Bb3 h6 9. Be3 Bb4 10. Bd2 Bxc3 11. Bxc3 d5 12. Nxe5 Nxe5 13. Bxe5 Qe7 14. Qe2 dxe4 15. Bxe6 Qxe6 16. Bxf6 gxf6 17. dxe4 0-0-0 18. Qg4 Rhe8 19. f3 f5 20. Qf4 fxe4 21. fxe4 Qc4 22. Qg4+ Kb8 23. Kf2 Qxc2+ 24. Kg1 Rxe4 25. Qf5 Rg8 26. Qf3 Rf4 27. Qd5 Qf2+ 28. Kh2 Rh4 29. Qf3 Qd2 30. Rhg1 Qd6+ 31. Kh1 Rg3 32. Qxf7 Rhxh3+ 33. gxh3 Rxh3+ 34. Kg2 Qg3+ 35. Kf1 Qd3+ 36. Ke1 Re3+ 37. Kf2 Qe2# 0-1

[Event "NED-ch U15 Girls"]
[Site "Sneek"]
[Date "2013.05.01"]
[Round "5"]
[White "Waardenburg, Feline"]
[Black "Boekhoudt, Nicolien"]
[Result "1/2-1/2"]
[ECO "C44"]
[PlyCount "89"]
[EventDate "2013.04.27"]
[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. d4 d5 4. dxe5 dxe4 5. Qxd8+ Nxd8 6. Ng5 Bf5 7. Nc3 Bb4 8. Bd2 f6 9. Ngxe4 fxe5 10. 0-0-0 Bxc3 11. Nxc3 Nf6 12. Nb5 Ne6 13. Bc4 0-0-0 14. Nxa7+ Kb8 15. Nb5 Nc5 16. f3 e4 17. Bf4 Na6 18. Nd4 Bd7 19. Bg5 Nc5 20. Rhe1 Rhe8 21. fxe4 Ncxe4 22. Bxf6 gxf6 23. Rf1 Bg4 24. Nf3 Rxd1+ 25. Rxd1 Ng5 26. Rd3 Bxf3 27. gxf3 Re1+ 28. Kd2 Rh1 29. Rd8+ Ka7 30. Ke3 Rxh2 31. Bd3 Rh3 32. Be2 h5 33. Rf8 f5 34. Rxf5 Ne6 35. Ke4 b6 36. f4 Nc5+ 37. Kd5 Rh2 38. Bxh5 Rd2+ 39. Ke5 Rxc2 40. Rf7 Nd3+ 41. Ke4 Nxb2 42. f5 Rc4+ 43. Kd5 Rc5+ 44. Ke6 Nc4 45. Bf3 1/2-1/2

[Event "NED-ch U15 Girls"]
[Site "Sneek"]
[Date "2013.04.30"]
[Round "4"]
[White "Waardenburg, Marlinde"]
[Black "Boekhoudt, Nicolien"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "107"]
[EventDate "2013.04.27"]
[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. Bc4 Bc5 4. d3 d6 5. h3 h6 6. Nc3 Nf6 7. 0-0 Be6 8. Bb5 Qd7 9. a3 a6 10. Ba4 b5 11. Bb3 Na5 12. Bxe6 fxe6 13. Re1 0-0 14. d4 exd4 15. Nxd4 Ne8 16. e5 Nc6 17. Nf3 Rd8 18. Ne4 Bb6 19. Ng3 dxe5 20. Qxd7 Rxd7 21. Nxe5 Nxe5 22. Rxe5 Rd1+ 23. Kh2 Bd4 24. Rxe6 Bxf2 25. Rxa6 Bg1+ 26. Kh1 Be3+ 27. Kh2 Bxc1 28. b3 c5 29. Ne2 Rff1 30. Ra8 Bf4+ 31. Nxf4 Rxa1 32. Rxe8+ Kf7 33. Re4 Rf2 34. Ne2 Re1 35. Rf4+ Rxf4 36. Nxf4 Rc1 37. a4 bxa4 38. bxa4 Rxc2 39. Nd5 Ra2 40. Nb6 c4 41. Nxc4 Rxa4 42. Ne5+ Kf6 43. Ng4+ Kg5 44. Kg3 Ra3+ 45. Kh2 h5 46. Nf2 Kh4 47. Ne4 Ra2 48. Nc3 Rc2 49. Nd1 g5 50. Ne3 Rf2 51. Kg1 Rf4 52. Kh2 Rf2 53. Kg1 Re2 54. Nf5# 1-0

[Event "NED-ch U15 Girls"]
[Site "Sneek"]
[Date "2013.04.29"]
[Round "3"]
[White "Boekhoudt, Nicolien"]
[Black "Dubbeldam, Lydia"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "1661"]
[PlyCount "86"]
[EventDate "2013.04.27"]
[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 e6 2. Nf3 d5 3. exd5 exd5 4. Nc3 Nf6 5. d4 Bf5 6. Bg5 Be7 7. Qe2 0-0 8. 0-0-0 Nbd7 9. Re1 Re8 10. Nh4 Bg6 11. Nxg6 hxg6 12. g3 c6 13. Bg2 a5 14. h4 Bb4 15. Qd2 a4 16. g4 a3 17. b3 Qa5 18. Rd1 Bxc3 19. Qd3 Bb2+ 20. Kb1 Qc3 21. Qxc3 Bxc3 22. h5 gxh5 23. gxh5 Ng4 24. Rdf1 Nh6 25. Bh3 Nb6 26. Rfg1 Kh8 27. Bg4 Nxg4 28. Rxg4 Re1+ 29. Rxe1 Bxe1 30. Rf4 Bd2 31. Rg4 Bxg5 32. Rxg5 Re8 33. Rg1 Re2 34. Rh1 Kh7 35. f4 Nd7 36. f5 Nf6 37. Kc1 Ne4 38. c4 Rxa2 39. Rh4 Rf2 40. cxd5 cxd5 41. Kb1 Rb2+ 42. Ka1 Nc3 43. Rh1 Ra2# 0-1

[Event "NED-ch U15 Girls"]
[Site "Sneek"]
[Date "2013.04.27"]
[Round "1"]
[White "Boekhoudt, Nicolien"]
[Black "Calje, Fong Li"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "82"]
[EventDate "2013.04.27"]
[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. Bc4 Bc5 4. Nc3 Nf6 5. d3 h6 6. 0-0 d6 7. h3 Be6 8. Bxe6 fxe6 9. Be3 Bb6 10. Na4 0-0 11. Nxb6 axb6 12. Nh4 d5 13. exd5 exd5 14. Re1 Nd7 15. Ng6 Rf7 16. Qg4 Qf6 17. Qg3 Nf8 18. Nh4 Nb4 19. Rad1 Rxa2 20. Bc1 Nc6 21. c3 Ra4 22. Nf3 Qg6 23. Qxg6 Nxg6 24. b3 Ra2 25. d4 e4 26. Rd2 Rxd2 27. Nxd2 Nf4 28. Ba3 Nd3 29. Re2 b5 30. f3 exf3 31. Nxf3 Na5 32. b4 Nc4 33. Ra2 Rf8 34. Nd2 Rf2 35. Bc1 Re2 36. Ra8+ Kh7 37. Nf3 Nxc1 38. Ra1 Nd3 39. Rf1 Ne3 40. Ra1 Rxg2+ 41. Kh1 Nf2# 0-1

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2012.05.19"]
[Round "7"]
[White "Boekhoudt, Nicolien"]
[Black "Kok, Silke Nienke"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "91"]
[EventDate "2012.05.17"]
[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. Bc4 Bc5 4. 0-0 Nf6 5. Nc3 0-0 6. d3 h6 7. h3 d6 8. a3 a5 9. Nd5 Be6 10. Re1 Re8 11. Bd2 b6 12. b4 Bd4 13. c3 Bxc3 14. Bxc3 Bd7 15. d4 axb4 16. axb4 Rxa1 17. Bxa1 Nxd5 18. Bxd5 Qf6 19. dxe5 Nxe5 20. Bxe5 dxe5 21. Re2 Qg6 22. Nh4 Qg5 23. Bxf7+ Kf8 24. Qxd7 Rd8 25. Ng6+ Qxg6 26. Qxd8+ Kxf7 27. Qxc7+ Kg8 28. Rd2 Kh7 29. Rd6 Qg5 30. Rxb6 Kh8 31. Rb8+ Kh7 32. g3 Qg6 33. Qxe5 Qf7 34. b5 Qd7 35. b6 Qd1+ 36. Kg2 Qd7 37. Qb2 Qe7 38. f3 Qd7 39. b7 Qc7 40. Rc8 Qd7 41. b8Q Qf7 42. Rh8+ Kg6 43. Q8b6+ Kh5 44. Q2b5+ Qf5 45. Qxf5+ g5 46. Qbg6# 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2012.05.19"]
[Round "8"]
[White "Boekhoudt, Nicolien"]
[Black "Schelleman, Iris"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "26"]
[EventDate "2012.05.17"]
[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. Bc4 Bc5 4. 0-0 Nf6 5. d3 d6 6. Bg5 Bg4 7. Nc3 Nd4 8. Bxf6 Qxf6 9. Nd5 Qd8 10. h3 Nxf3+ 11. gxf3 Bxh3 12. Re1 Qg5+ 13. Kh1 Qg2# 0-1

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2012.05.19"]
[Round "9"]
[White "Van Harten, Eva"]
[Black "Boekhoudt, Nicolien"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "101"]
[EventDate "2012.05.17"]
[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 Nf6 3. Nc3 Bc5 4. Nxe5 0-0 5. Bc4 Qe7 6. Nf3 Nxe4 7. 0-0 Nxc3 8. bxc3 Nc6 9. d4 Bd6 10. Re1 Qd8 11. Bg5 Ne7 12. Re3 h6 13. Bh4 c6 14. Qe2 Re8 15. Re1 Kf8 16. Qd3 g6 17. Bf6 Ba3 18. Nh4 d5 19. Bb3 Qd6 20. Bxe7+ Rxe7 21. Rxe7 Qxe7 22. Rxe7 Bxe7 23. Nf3 Bf5 24. Qd2 Bg4 25. c4 Bf6 26. cxd5 cxd5 27. Bxd5 Rd8 28. Bxb7 Bxf3 29. gxf3 Rxd4 30. Qxh6+ Bg7 31. Qe3 Rd1+ 32. Kg2 Bd4 33. Qe2 Rb1 34. Bd5 Rb5 35. Qxb5 Bf6 36. Bb3 g5 37. Qd5 Ke8 38. Qxf7+ Kd8 39. Qxf6+ Kc7 40. Qxg5 a6 41. Qe5+ Kc6 42. Ba4+ Kb6 43. Qd5 Ka7 44. Qc6 Kb8 45. Qd7 a5 46. Kg3 Ka8 47. Kf4 Kb8 48. Ke5 Ka8 49. Kd5 Kb8 50. Kc6 Ka8 51. Qb7# 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2012.05.18"]
[Round "4"]
[White "Boekhoudt, Nicolien"]
[Black "Scholten, Aliya"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "47"]
[EventDate "2012.05.17"]
[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. Bc4 Bc5 4. 0-0 Nf6 5. Nh4 0-0 6. Nc3 d6 7. d3 h6 8. Ng6 Re8 9. Qf3 Nd4 10. Qd1 Bg4 11. Qd2 Nc6 12. h3 Bh5 13. Nh4 a6 14. Nf5 Qd7 15. Nxh6+ Kf8 16. Nf5 Nd4 17. Qg5 Bg6 18. Nh4 Bh5 19. Nd5 Nf3+ 20. Nxf3 Bxf3 21. Nxf6 gxf6 22. Qxf6 Re7 23. Bh6+ Ke8 24. Qh8# 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2012.05.18"]
[Round "5"]
[White "Hulleman, Anna Marie"]
[Black "Boekhoudt, Nicolien"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "70"]
[EventDate "2012.05.17"]
[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 Nf6 3. Nxe5 Bc5 4. Nc3 0-0 5. Bc4 Qe8 6. Nf3 Nxe4 7. Nxe4 Qxe4+ 8. Be2 b6 9. 0-0 Bd6 10. d3 Qd5 11. c4 Qh5 12. h3 Bb7 13. Re1 Bxf3 14. Bxf3 Qg6 15. Bxa8 Na6 16. Be4 Qf6 17. Bf3 Bc5 18. Be3 Bb4 19. Re2 Bd6 20. Bd2 h6 21. Qe1 Qd8 22. Re4 Nc5 23. Rd4 Qf6 24. Bc3 Qd8 25. Qd2 Ne6 26. Rg4 h5 27. Re4 Ng5 28. Rh4 Nxf3+ 29. gxf3 Qxh4 30. Kf1 Qxh3+ 31. Ke2 Re8+ 32. Kd1 Qf1+ 33. Kc2 Qxa1 34. Qg5 Re2+ 35. Kb3 Qd1# 0-1

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2012.05.18"]
[Round "6"]
[White "Van Rooden, Sarah"]
[Black "Boekhoudt, Nicolien"]
[Result "1-0"]
[ECO "C47"]
[PlyCount "89"]
[EventDate "2012.05.17"]
[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 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Nb4 6. a3 Na6 7. Bg5 h6 8. Bh4 Nc5 9. e5 Qe7 10. Qe2 b6 11. exf6 gxf6 12. Bxf6 Qxe2+ 13. Bxe2 Rg8 14. 0-0 Bb7 15. Bf3 Bxf3 16. Nxf3 Rg6 17. Bd4 d6 18. Rfe1+ Be7 19. Nd5 Re6 20. Nxc7+ Kd7 21. Nxa8 Ne4 22. Re3 Bg5 23. Nxg5 hxg5 24. Rae1 d5 25. c4 Kd6 26. cxd5 Kxd5 27. Nc7+ Kxd4 28. Nxe6+ fxe6 29. Rxe4+ Kd3 30. Rxe6 b5 31. g3 g4 32. Kg2 Kc2 33. h4 Kb3 34. h5 Ka2 35. h6 a5 36. h7 a4 37. h8Q b4 38. axb4 a3 39. bxa3 Kxa3 40. Qa1+ Kxb4 41. R1e4+ Kb3 42. Qd1+ Kc3 43. Rc6+ Kb2 44. Rb4+ Ka3 45. Qb3# 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2012.05.17"]
[Round "1"]
[White "Boekhoudt, Nicolien"]
[Black "Kalkman, Lorena"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "147"]
[EventDate "2012.05.17"]
[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. Bc4 Bc5 4. d3 Nf6 5. Ng5 0-0 6. Nc3 h6 7. Nf3 d6 8. Nd5 a6 9. b4 Bxb4+ 10. Nxb4 Nxb4 11. 0-0 Re8 12. Bd2 Nc6 13. h3 b5 14. Bd5 Bd7 15. d4 Rb8 16. dxe5 dxe5 17. Bc3 Kh8 18. Bxf7 Re7 19. Bg6 Be8 20. Nh4 Kg8 21. Qxd8 Rxd8 22. Rad1 Kf8 23. Rxd8 Nxd8 24. Rd1 Nc6 25. a3 Kg8 26. Bb2 Re6 27. Bxe8 Rxe8 28. Bc3 Nxe4 29. Bb4 a5 30. f3 Nf6 31. Bc3 Nh5 32. Rd5 Nf4 33. Rd2 Rb8 34. g3 Nxh3+ 35. Kg2 Ng5 36. Rd5 Nf7 37. f4 e4 38. Rc5 Ne7 39. Bxa5 c6 40. Bb4 Nd5 41. Rxc6 Re8 42. c4 bxc4 43. Rxc4 e3 44. Rc2 e2 45. Nf3 Ne3+ 46. Kf2 Nxc2 47. Bc5 Nd6 48. Bxd6 Nd4 49. Bb4 Kf7 50. Nxd4 Rc8 51. Kxe2 Kf6 52. a4 Rc4 53. Bd6 Kf7 54. Nf5 Rxa4 55. Be5 Ra3 56. Bxg7 Kg6 57. Bf8 Ra8 58. Nh4+ Kh5 59. Bd6 Kg4 60. f5 Rd8 61. Be7 Re8 62. f6 Kxg3 63. Ng6 Rg8 64. f7 Rxg6 65. f8Q Re6+ 66. Kd3 Re1 67. Bd6+ Kg2 68. Bc5 Rf1 69. Qxh6 Rf3+ 70. Ke4 Rg3 71. Qd2+ Kh3 72. Kf4 Rg4+ 73. Kf5 Kh4 74. Qh2# 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2012.05.17"]
[Round "3"]
[White "Boekhoudt, Nicolien"]
[Black "Vuong, Joelle"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "74"]
[EventDate "2012.05.17"]
[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. Bc4 Be7 4. 0-0 d6 5. Nc3 Bg4 6. Be2 Nf6 7. h3 Bh5 8. d3 Qd7 9. Bg5 h6 10. Bxf6 Bxf6 11. Nd5 0-0-0 12. Nxf6 gxf6 13. d4 Rhg8 14. Nh4 Bxe2 15. Qxe2 Ne7 16. dxe5 fxe5 17. Rad1 Ng6 18. Nxg6 Rxg6 19. Qf3 Rdg8 20. Rd3 Kd8 21. Re1 Qe6 22. Ree3 Qxa2 23. h4 f6 24. h5 R6g7 25. Qxf6+ Ke8 26. Qf3 Qxb2 27. Rc3 Rf8 28. Rb3 Qxc2 29. Rxb7 Rxf3 30. Rxf3 Qc1+ 31. Kh2 Qg5 32. Rg3 Qh4+ 33. Rh3 Qxf2 34. Rb8+ Ke7 35. Rg3 Rxg3 36. Rb2 Rxg2+ 37. Kh3 Qg3# 0-1

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2012.05.17"]
[Round "2"]
[White "Tikranian, Maro"]
[Black "Boekhoudt, Nicolien"]
[Result "1-0"]
[ECO "C27"]
[PlyCount "49"]
[EventDate "2012.05.17"]
[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 Nf6 3. Nc3 Bc5 4. Bc4 Ng4 5. 0-0 Nc6 6. Be2 Nf6 7. Nxe5 Nxe5 8. d4 Bxd4 9. Qxd4 d6 10. Bf4 c5 11. Qe3 Nfg4 12. Bxg4 Nxg4 13. Qg3 c4 14. Bxd6 f5 15. exf5 Bxf5 16. h3 Nf6 17. Rfe1+ Be6 18. Rxe6+ Kd7 19. Re7+ Qxe7 20. Bxe7 Kxe7 21. Qxg7+ Ke6 22. Re1+ Kd6 23. Qxf6+ Kc5 24. Re5+ Kb4 25. a3# 1-0

