[Event "NED-ch U17 Girls"]
[Site "Sneek"]
[Date "2013.05.03"]
[Round "7"]
[White "Van der Werff, Silvia"]
[Black "Siu, Villa"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "36"]
[EventDate "2013.04.27"]
[EventType "tourn"]
[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. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Ne7 6. 0-0 0-0 7. h3 c6 8. c3 Bf5 9. Be2 Qc7 10. Re1 Nd7 11. Nh4 Be6 12. Bd3 Rae8 13. Qh5 Nf6 14. Qf3 Ng6 15. Bg5 Bg4 16. Rxe8 Rxe8 17. hxg4 Re1+ 18. Bf1 Bh2+ 0-1

[Event "NED-ch U17 Girls"]
[Site "Sneek"]
[Date "2013.05.02"]
[Round "6"]
[White "Naber, Quirine"]
[Black "Van der Werff, Silvia"]
[Result "1/2-1/2"]
[ECO "A48"]
[PlyCount "38"]
[EventDate "2013.04.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Nf3 Bg7 4. e3 d6 5. Bd3 0-0 6. Nbd2 Nbd7 7. Qe2 a6 8. 0-0 Re8 9. c4 e5 10. d5 Nc5 11. Bc2 h6 12. Bh4 g5 13. Bg3 Nh5 14. Ne1 Nxg3 15. fxg3 e4 16. Rb1 a5 17. a3 a4 18. Bd1 f5 19. Nc2 Rf8 1/2-1/2

[Event "NED-ch U17 Girls"]
[Site "Sneek"]
[Date "2013.05.01"]
[Round "5"]
[White "Van der Werff, Silvia"]
[Black "Verhoeff, Timardi"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "94"]
[EventDate "2013.04.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be6 8. h3 Nbd7 9. Be2 Be7 10. 0-0 0-0 11. Qd2 b5 12. Bd3 Nb6 13. b3 Rc8 14. Ne2 Qc7 15. Ng3 Rfd8 16. Qe2 Nbd7 17. Rfe1 Nc5 18. Rac1 Qb7 19. Bd2 Rc6 20. Nh4 Nxd3 21. cxd3 d5 22. Ba5 Rdc8 23. Rxc6 Qxc6 24. Nhf5 Bf8 25. Nh5 Bxf5 26. exf5 Nxh5 27. Qxh5 b4 28. f6 Qxf6 29. Qxe5 Qxe5 30. Rxe5 Rc1+ 31. Kh2 Bd6 32. f4 Bxe5 33. fxe5 Rd1 34. Bxb4 Rxd3 35. Kg1 Re3 36. Kf2 Rxe5 37. Bc3 Re6 38. a4 Rc6 39. Bd2 d4 40. Ke2 f5 41. Kd3 Rd6 42. Bf4 Rb6 43. Kxd4 Rxb3 44. a5 Rb4+ 45. Ke3 Rc4 46. Bd6 Rc6 47. Bb4 g5 0-1

[Event "NED-ch U17 Girls"]
[Site "Sneek"]
[Date "2013.04.30"]
[Round "4"]
[White "Vermeulen, Dewi"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "139"]
[EventDate "2013.04.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bd2 c6 6. Bd3 Bg4 7. Nf3 e6 8. Qe2 Be7 9. 0-0 Qc7 10. Nd1 Nbd7 11. Ne3 Bh5 12. Qd1 0-0 13. Be2 Rfd8 14. c3 c5 15. Nc2 Nb6 16. Re1 cxd4 17. Nfxd4 Bg6 18. Qc1 a6 19. Bf3 Rac8 20. b3 Nbd7 21. c4 b5 22. Nc6 Re8 23. Ba5 Qd6 24. Bb4 Nc5 25. Rd1 Nd3 26. Nxe7+ Qxe7 27. Bxe7 Nxc1 28. Bxf6 Nxb3 29. axb3 Bxc2 30. Rdc1 Bxb3 31. Bd4 bxc4 32. Rxa6 Red8 33. Be3 Rd7 34. h3 h6 35. Ra3 Rcd8 36. Be2 Kh7 37. Bxc4 Bxc4 38. Rxc4 Rd1+ 39. Kh2 R1d7 40. Rac3 Rb8 41. Rc7 Rb7 42. Rxb7 Rxb7 43. Rc4 Rd7 44. Rg4 Rd5 45. Ra4 Rd7 46. Kg3 Rb7 47. Kf4 Rb5 48. Ra7 Kg6 49. g4 Kf6 50. Bd4+ e5+ 51. Bxe5+ Rxe5 52. Rxf7+ Kxf7 53. Kxe5 Ke7 54. h4 Kf7 55. h5 Kg8 56. Ke6 Kf8 57. Kf5 Kf7 58. f4 Kg8 59. Kg6 Kf8 60. f5 Kg8 61. f6 gxf6 62. Kxf6 Kf8 63. Kg6 Kg8 64. Kxh6 Kh8 65. Kg6 Kg8 66. Kf6 Kh8 67. Kf7 Kh7 68. g5 Kh8 69. h6 Kh7 70. g6+ 1-0

[Event "NED-ch U17 Girls"]
[Site "Sneek"]
[Date "2013.04.28"]
[Round "2"]
[White "Parren, Ashley"]
[Black "Van der Werff, Silvia"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "100"]
[EventDate "2013.04.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bd2 c6 7. Bc4 e6 8. Bb3 Qc7 9. Qe2 Be7 10. Ne5 Nbd7 11. Bf4 Nxe5 12. Bxe5 Qd7 13. Rd1 0-0 14. Rd2 Rfd8 15. 0-0 Ng4 16. Bg3 Rac8 17. Rfd1 Bg5 18. f4 Be7 19. h3 Nf6 20. Bf2 Bb4 21. Qc4 Bd6 22. Be3 Qc7 23. Rf2 h6 24. g4 Bh7 25. g5 hxg5 26. fxg5 Ne4 27. Nxe4 Bxe4 28. Qf1 Bh2+ 29. Rxh2 Qg3+ 30. Rg2 Bxg2 31. Qxg2 Qxe3+ 32. Qf2 Qxg5+ 33. Kh2 Rd7 34. Rg1 Qh6 35. c3 c5 36. Rg2 cxd4 37. cxd4 Rcd8 38. Rg4 Qc1 39. Qg2 Qc7+ 40. Kh1 Qc1+ 41. Kh2 Qh6 42. Qf2 b5 43. Rh4 Qf6 44. Rf4 Qe7 45. Bc2 e5 46. Rh4 Rxd4 47. Bh7+ Kf8 48. Be4 Qf6 49. Rh8+ Ke7 50. Rxd8 Qxf2+ 0-1

[Event "NED-ch U17 Girls"]
[Site "Sneek"]
[Date "2013.04.27"]
[Round "1"]
[White "Van Bruxvoort, Xadya"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "71"]
[EventDate "2013.04.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bd2 c6 7. Bc4 Nbd7 8. 0-0 e6 9. Re1 Qc7 10. d5 cxd5 11. Bxd5 Be7 12. Bb3 0-0 13. Be3 a6 14. h3 h6 15. Qe2 Rfd8 16. Rad1 Rac8 17. a3 Bxa3 18. Nb5 axb5 19. bxa3 Nc5 20. Rxd8+ Rxd8 21. Qxb5 Nfe4 22. Nh4 Bh7 23. Nf3 Rc8 24. Bd4 Qf4 25. Be5 Qf5 26. Bd4 Qf4 27. Bxc5 Nxc5 28. Rd1 Qe4 29. Qxc5 Rf8 30. Qd4 Qc6 31. Ne5 Qc7 32. Nd7 Rc8 33. Qb6 Qc3 34. Ne5 Bxc2 35. Bxc2 Qxe5 36. Rd8+ 1-0

[Event "Drents op"]
[Site "Assen"]
[Date "2012.11.30"]
[Round "1"]
[White "Van Velzen, Martin"]
[Black "Van der Werff, Silvia"]
[Result "1/2-1/2"]
[ECO "A24"]
[WhiteElo "1958"]
[BlackElo "1467"]
[PlyCount "46"]
[EventDate "2012.11.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 d6 5. e4 e5 6. Nge2 0-0 7. 0-0 Nbd7 8. d3 a5 9. b3 Nc5 10. Bb2 Qe7 11. Qc2 Bh6 12. Nd5 Nxd5 13. cxd5 Bg7 14. d4 exd4 15. Nxd4 Re8 16. Rfe1 Bd7 17. f4 Rac8 18. e5 dxe5 19. fxe5 b6 20. Qd2 Rcd8 21. Qe2 Qg5 22. Nf3 Qf5 23. Rad1 Bc8 1/2-1/2

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2012.05.06"]
[Round "9"]
[White "Van der Werff, Silvia"]
[Black "Vermeulen, Dewi"]
[Result "1/2-1/2"]
[ECO "C59"]
[WhiteElo "1598"]
[BlackElo "1323"]
[PlyCount "51"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 Bc5 9. d3 0-0 10. 0-0 Bb6 11. Nc3 Nd5 12. Nge4 f5 13. Bg5 Qe8 14. Nxd5 cxd5 15. Nd6 Qg6 16. Be7 Ba6 17. Bf3 Qe6 18. Bxf8 Rxf8 19. Nxf5 Qxf5 20. Bxd5+ Kh8 21. Qe2 Qf4 22. Qe4 Qd2 23. Qxe5 Qxc2 24. Be4 Bxd3 25. Bxd3 Qxd3 26. Qe7 1/2-1/2

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2012.05.05"]
[Round "8"]
[White "Verhoeff, Timardi"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1647"]
[BlackElo "1598"]
[PlyCount "123"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 d6 5. h3 Nf6 6. d3 h6 7. Be3 Bb6 8. Qe2 Be6 9. Bb3 d5 10. exd5 Nxd5 11. Nxd5 Bxd5 12. Bxb6 axb6 13. Nxe5 0-0 14. Nxc6 Bxc6 15. 0-0-0 Qg5+ 16. Kb1 Rfe8 17. Qg4 Qxg4 18. hxg4 Bxg2 19. Rhg1 Bf3 20. Rdf1 Re2 21. Rg3 Bc6 22. Re3 Re8 23. Rxe8+ Rxe8 24. c3 Re2 25. Bd1 Rd2 26. d4 Kf8 27. Kc1 Rd3 28. Re1 Rh3 29. Kd2 Bd7 30. f3 Rh2+ 31. Re2 Rh1 32. Re1 Rh2+ 33. Be2 Bb5 34. Ke3 Bxe2 35. Rxe2 Rh1 36. b3 Ke7 37. c4 Kd7 38. Ke4 Rh4 39. Kf5 Rh3 40. Rf2 Rh1 41. Re2 Rf1 42. Ke4 Rd1 43. Ke3 Rf1 44. Rf2 Rd1 45. d5 c6 46. dxc6+ bxc6 47. Rd2+ Rxd2 48. Kxd2 Kd6 49. Kd3 f5 50. Kd4 fxg4 51. fxg4 g6 52. b4 h5 53. gxh5 gxh5 54. Ke4 h4 55. a4 h3 56. Kf3 Ke5 57. Kg3 Kd4 58. a5 bxa5 59. bxa5 Kc5 60. Kxh3 Kd6 61. Kg4 c5 62. Kf5 1-0

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2012.05.04"]
[Round "7"]
[White "Van der Werff, Silvia"]
[Black "Holan, Franciska"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "1598"]
[BlackElo "1007"]
[PlyCount "101"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4 6. d6 Qxd6 7. 0-0 Be6 8. Nxe6 Nxe6 9. Bxe6 Qxe6 10. Re1 0-0-0 11. Qe2 Bc5 12. h3 Rhe8 13. Nc3 Nd5 14. Nxd5 Rxd5 15. d3 Qf6 16. Be3 Bxe3 17. Qxe3 b6 18. Qe4 Rd4 19. Qa8+ Kd7 20. Qxa7 Rf4 21. Re2 Qg6 22. Qb7 Rh4 23. Qd5+ Kc8 24. Kh1 Rh5 25. Rae1 Rg5 26. Rxe5 Rgxe5 27. Rxe5 Rxe5 28. Qxe5 f6 29. Qe4 Qh6 30. Qe3 Qh5 31. Qe1 g5 32. Qe6+ Kb7 33. Qg4 Qh6 34. Kg1 Qf8 35. Qe4+ Ka6 36. Qc4+ Kb7 37. a3 f5 38. Qd5+ Ka6 39. Qd7 Qg8 40. Qxc7 Qa2 41. Qc4+ Qxc4 42. dxc4 b5 43. cxb5+ Kxb5 44. Kf1 Kc4 45. b4 Kb5 46. Ke2 Kc4 47. c3 Kxc3 48. b5 Kc4 49. b6 Kc5 50. b7 Kc6 51. b8Q 1-0

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2012.05.03"]
[Round "6"]
[White "Dubbeldam, Lydia"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1349"]
[BlackElo "1598"]
[PlyCount "41"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 Bg4 6. Nge2 e6 7. Bd2 c6 8. f3 Bf5 9. g4 Bg6 10. h4 h5 11. g5 Ng8 12. Nf4 Bf5 13. Ne4 Qc7 14. Qe2 Nd7 15. 0-0-0 0-0-0 16. g6 fxg6 17. Bxe6 Re8 18. Bxf5 gxf5 19. Nd6+ Qxd6 20. Qxe8+ Kc7 21. Ne6+ 1-0

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2012.05.02"]
[Round "5"]
[White "Van der Werff, Silvia"]
[Black "Naber, Quirine"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1598"]
[BlackElo "1336"]
[PlyCount "62"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Nc6 5. Bc4 a6 6. f3 e5 7. d5 Na5 8. Bd3 b5 9. Qd2 c5 10. dxc6 Nxc6 11. Bh6 Be6 12. Bxf8 Rxf8 13. Nge2 Rg8 14. 0-0 g5 15. Nd5 h5 16. c4 bxc4 17. Bxc4 Bxd5 18. Bxd5 Nxd5 19. Qxd5 Qb6+ 20. Kh1 Qc5 21. Qxc5 dxc5 22. Rfc1 Nd4 23. Nc3 Rb8 24. Nd5 Rg6 25. Rab1 Rc6 26. h3 c4 27. Ne3 Rbc8 28. Nd5 g4 29. hxg4 hxg4 30. Rf1 Ne2 31. Rfe1 Rh6# 0-1

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2012.05.01"]
[Round "4"]
[White "Van der Werff, Silvia"]
[Black "De Kraker, Lena"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1598"]
[BlackElo "995"]
[PlyCount "89"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. 0-0 0-0 11. Nb3 Nb6 12. Bb5 Qd5 13. Be2 Be6 14. Rc1 Nd7 15. Bc4 Qe4 16. d5 b5 17. Re1 Qg6 18. Bd3 Qh5 19. dxe6 fxe6 20. Rxc6 Nf6 21. Rxc7 Nd5 22. Rc5 Qe8 23. Bxb5 Qf7 24. Bc6 Rad8 25. Bxd5 exd5 26. Re5 d4 27. Nbxd4 Qxa2 28. Qb3+ Qxb3 29. Nxb3 Rb8 30. Rb5 Rfd8 31. Rxb8 Rxb8 32. Nfd4 a6 33. Ra5 Rb6 34. Kf1 Rh6 35. h3 Rb6 36. Ke2 Kf7 37. Kd3 Ke7 38. Kc3 Kd7 39. Rxa6 Rb8 40. Nc5+ Ke8 41. b4 g6 42. b5 h6 43. b6 g5 44. b7 Ke7 45. Ra8 1-0

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2012.04.30"]
[Round "3"]
[White "Kootstra, Anneke"]
[Black "Van der Werff, Silvia"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "965"]
[BlackElo "1598"]
[PlyCount "84"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Bg4 5. Be2 Nf6 6. d3 e6 7. Be3 Nbd7 8. Qd2 c6 9. h3 Bh5 10. Bf4 Be7 11. a3 0-0 12. 0-0 Qb6 13. Rfe1 Nd5 14. Nxd5 cxd5 15. c3 Rfe8 16. d4 Bg6 17. Bd3 Bxd3 18. Qxd3 h6 19. Rab1 Rac8 20. Re2 Nf6 21. Ne5 Ne4 22. f3 Nd6 23. Qe3 Nc4 24. Nxc4 Rxc4 25. Qf2 Rxc3 26. Rd2 Rec8 27. Rdd1 Rc2 28. Qg3 Kf8 29. b4 Qa6 30. Ra1 R2c3 31. Rdc1 Rxc1+ 32. Bxc1 Qd3 33. Qf2 Bf6 34. Bb2 Rc2 35. Qg3 Bxd4+ 36. Bxd4 Qxd4+ 37. Kh2 Qxa1 38. Qb8+ Ke7 39. Qxb7+ Kf6 40. Qxa7 Qe5+ 41. Kg1 Rc1+ 42. Kf2 Qe1# 0-1

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2012.04.29"]
[Round "2"]
[White "Van der Werff, Silvia"]
[Black "Keetman, Maaike"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1598"]
[BlackElo "1808"]
[PlyCount "76"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Be2 Bxe2 5. Nxe2 Nxd5 6. 0-0 Nc6 7. Nd2 e6 8. Nf3 Bd6 9. Re1 Qd7 10. a3 0-0-0 11. c4 Nf6 12. b4 e5 13. d5 Nb8 14. Nc3 Rhe8 15. Nb5 c6 16. dxc6 Nxc6 17. Nxd6+ Qxd6 18. Qxd6 Rxd6 19. Bb2 Nd7 20. Red1 Rxd1+ 21. Rxd1 f6 22. Kf1 Nb6 23. Nd2 Rd8 24. Ke1 Na4 25. Rb1 Rd3 26. Ke2 Nxb2 27. Rxb2 Rxa3 28. b5 Nd4+ 29. Kd1 Ra1+ 30. Rb1 Ra4 31. Rc1 Kc7 32. Ne4 Ra2 33. Nd2 Rxd2+ 34. Kxd2 Nb3+ 35. Kc2 Nxc1 36. Kxc1 Kb6 37. Kc2 Kc5 38. Kc3 a6 0-1

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2012.04.28"]
[Round "1"]
[White "Parren, Ashley"]
[Black "Van der Werff, Silvia"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1166"]
[BlackElo "1598"]
[PlyCount "86"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. d3 Bg4 6. g3 e6 7. Bg2 c6 8. 0-0 Nbd7 9. Qe2 Bd6 10. Bd2 Qc7 11. Rfe1 0-0 12. Ne4 Nxe4 13. Qxe4 Nf6 14. Qc4 Rfe8 15. Bg5 Bxf3 16. Bxf3 Nd5 17. Qg4 Qb6 18. Bxd5 cxd5 19. Bf6 Bf8 20. Bc3 Rac8 21. Re2 Rc6 22. Re5 g6 23. Rh5 Bg7 24. Bxg7 Kxg7 25. Re5 Rxc2 26. Re2 Rxb2 27. Rxb2 Qxb2 28. Qd1 Rc8 29. Rb1 Qa3 30. Ra1 Rc3 31. d4 Rd3 32. Qe2 Kg8 33. Qe5 Qf8 34. Rc1 Rd2 35. Rc7 Rb2 36. Qf6 a5 37. Rd7 b5 38. Rd8 Rxa2 39. Rxf8+ Kxf8 40. Qd8+ Kg7 41. Qd6 b4 42. Qe5+ Kg8 43. Qb8+ Kg7 1/2-1/2

[Event "Maastricht Limburg op-C 5th"]
[Site "Maastricht"]
[Date "2011.06.13"]
[Round "6"]
[White "Knof, Henrike"]
[Black "Van der Werff, Silvia"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1488"]
[BlackElo "1416"]
[PlyCount "94"]
[EventDate "2011.06.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 Bg4 6. f3 Bf5 7. Bd2 c6 8. g4 Bg6 9. h4 h6 10. Bb3 Nbd7 11. Qe2 e6 12. 0-0-0 Qc7 13. f4 0-0-0 14. h5 Bh7 15. Nh3 g6 16. hxg6 Bxg6 17. Nf2 Bg7 18. Rh3 Nb6 19. Nb5 Qd7 20. Nxa7+ Kb8 21. f5 exf5 22. Bf4+ Kxa7 23. Qd2 Ka6 24. Be6 Qe7 25. Qe2+ Ka7 26. Ra3+ Qxa3 27. bxa3 fxe6 28. Qd2 Ka6 29. Nd3 Ne4 30. Nb4+ Ka7 31. Qe1 Rxd4 32. Rxd4 Bxd4 33. Nd5 e5 34. Qa5+ Kb8 35. Nxb6 exf4 36. gxf5 f3 37. fxg6 f2 38. Nd7+ Kc8 39. Qf5 Ng3 40. Nb6+ Kb8 41. Qf4+ Ka7 42. Qxd4 f1Q+ 43. Kb2 Qb5+ 44. Ka1 Re8 45. Nd7+ c5 46. Qd2 Ne4 47. Qd5 Nc3 0-1

[Event "Maastricht Limburg op-C 5th"]
[Site "Maastricht"]
[Date "2011.06.13"]
[Round "7"]
[White "Van der Werff, Silvia"]
[Black "Gundogmus, Alaetin"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1416"]
[BlackElo "1552"]
[PlyCount "42"]
[EventDate "2011.06.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nxd4 5. Qxd4 Qc7 6. Nc3 e5 7. Qd1 Nf6 8. Be2 Bb4 9. Bd2 Bxc3 10. Bxc3 Nxe4 11. Bb4 Qb6 12. 0-0 Qxb4 13. Bd3 Nf6 14. Re1 d6 15. Rb1 0-0 16. a3 Qg4 17. Be2 Qg5 18. Qxd6 Be6 19. Bf3 e4 20. Bxe4 Nxe4 21. Rxe4 Bd5 0-1

[Event "Maastricht Limburg op-C 5th"]
[Site "Maastricht"]
[Date "2011.06.12"]
[Round "5"]
[White "Van der Werff, Silvia"]
[Black "Ingelaere, Arthur"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "1416"]
[BlackElo "1342"]
[PlyCount "119"]
[EventDate "2011.06.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 0-0 8. Bc4 e6 9. Qd2 d5 10. exd5 exd5 11. Bb3 Nxd4 12. Bxd4 Re8+ 13. Ne2 a5 14. Ba4 Bd7 15. Bxd7 Qxd7 16. 0-0 Qb5 17. Nc3 Qc6 18. Rad1 Rad8 19. Rfe1 b5 20. Bxf6 Rxe1+ 21. Rxe1 Bxf6 22. Rd1 Bxc3 23. Qxc3 Qxc3 24. bxc3 f5 25. Kf2 Kf7 26. Ke3 Ke6 27. Kd4 Rc8 28. Re1+ Kd6 29. g3 Rc4+ 30. Kd3 Rc8 31. f4 h6 32. Re2 b4 33. cxb4 axb4 34. Re1 Ra8 35. Ra1 Ra3+ 36. Kd4 Rf3 37. Rb1 Rf2 38. Rxb4 Rxc2 39. a3 Kc6 40. h4 Rf2 41. Rb8 Rf3 42. Rc8+ Kd7 43. Rc3 Rf1 44. Kxd5 Rd1+ 45. Kc4 Ke6 46. Re3+ Kf6 47. a4 Ra1 48. Kb4 Rb1+ 49. Rb3 Rd1 50. a5 Rd4+ 51. Kc5 Ra4 52. Rb6+ Kf7 53. a6 Ra1 54. Rb7+ Ke6 55. a7 Rc1+ 56. Kb6 Kd6 57. a8Q Rb1+ 58. Ka7 Ra1+ 59. Kb8 Rxa8+ 60. Kxa8 1-0

[Event "Maastricht Limburg op-C 5th"]
[Site "Maastricht"]
[Date "2011.06.12"]
[Round "4"]
[White "Van der Wouw, Paul"]
[Black "Van der Werff, Silvia"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1538"]
[BlackElo "1416"]
[PlyCount "63"]
[EventDate "2011.06.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 dxe4 3. Nxe4 Bf5 4. Ng3 Bg6 5. d4 Nf6 6. Nf3 h6 7. Bd3 Bxd3 8. Qxd3 Nc6 9. c4 e6 10. 0-0 Be7 11. a3 0-0 12. b4 a6 13. Bb2 Bd6 14. Rfe1 Re8 15. Qc3 b6 16. Rad1 Qc8 17. Qc2 Bf8 18. d5 exd5 19. Bxf6 gxf6 20. Rxd5 Rxe1+ 21. Nxe1 Qe6 22. Kf1 Re8 23. Nf3 b5 24. Rd1 Qxc4+ 25. Qxc4 bxc4 26. Rc1 Ne5 27. Nxe5 fxe5 28. Rxc4 Bd6 29. Ne4 Be7 30. f3 f5 31. Ng3 Bd6 32. Rc3 1/2-1/2

[Event "Maastricht Limburg op-C 5th"]
[Site "Maastricht"]
[Date "2011.06.11"]
[Round "3"]
[White "Van der Werff, Silvia"]
[Black "Ulburghs, Piet"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "1416"]
[BlackElo "1697"]
[PlyCount "169"]
[EventDate "2011.06.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Bb4 6. Be3 Qc7 7. Qd2 Nf6 8. f3 b5 9. g4 Bb7 10. g5 Nh5 11. Be2 e5 12. Nb3 0-0 13. 0-0-0 d6 14. Rhg1 Nd7 15. h4 Rac8 16. f4 Nxf4 17. Bxf4 exf4 18. Qxf4 Ne5 19. h5 Bxc3 20. bxc3 Qxc3 21. Qd2 Bxe4 22. Qxc3 Rxc3 23. Rd2 Rfc8 24. Na1 d5 25. Bd1 Bf3 26. Kb1 Bxd1 27. Rgxd1 Re8 28. Rxd5 Ng4 29. Rd8 Rce3 30. Rxe8+ Rxe8 31. Rd6 Ra8 32. Nb3 f6 33. Rd4 Ne5 34. gxf6 gxf6 35. Rd6 Ng4 36. Nc5 a5 37. Nd7 Kf7 38. Nb6 Re8 39. Rd7+ Re7 40. Rd5 Re5 41. Rd7+ Kg8 42. Rd5 Rxd5 43. Nxd5 Kg7 44. Nc7 b4 45. Kb2 Kh6 46. a3 bxa3+ 47. Kxa3 Ne5 48. Nd5 Kg5 49. Ka4 Nc4 50. Kb5 Na3+ 51. Kxa5 Nxc2 52. Kb5 f5 53. Kc4 Kxh5 54. Kd3 Ne1+ 55. Ke2 Ng2 56. Kf3 Nh4+ 57. Kf4 Kg6 58. Ne7+ Kf6 59. Nd5+ Ke6 60. Ne3 h6 61. Nf1 Ng6+ 62. Kf3 Ke5 63. Ng3 Nh4+ 64. Kf2 f4 65. Nh5 Kf5 66. Ng7+ Kg4 67. Ne6 f3 68. Nd4 h5 69. Nc2 Kf4 70. Ne3 Ke4 71. Nf1 Kf4 72. Ne3 Ng6 73. Nd5+ Ke5 74. Ne3 Ke4 75. Nf1 Ne5 76. Ng3+ Kf4 77. Nxh5+ Kg5 78. Ng3 Kg4 79. Nf1 Nd3+ 80. Ke3 f2 81. Kxd3 Kf3 82. Nd2+ Kg2 83. Ke3 Kg1 84. Kf3 f1Q+ 85. Nxf1 1/2-1/2

[Event "Maastricht Limburg op-C 5th"]
[Site "Maastricht"]
[Date "2011.06.11"]
[Round "2"]
[White "Vossen, Patrick"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1310"]
[BlackElo "1416"]
[PlyCount "83"]
[EventDate "2011.06.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Nbd2 Nbd7 7. c3 c5 8. 0-0 c4 9. Qc2 Bd6 10. e4 Be7 11. h3 0-0 12. Re1 b5 13. e5 Ne8 14. a3 Qb6 15. Nf1 f6 16. Ng3 fxe5 17. Nxe5 Nxe5 18. Rxe5 Nf6 19. Qe2 Bd6 20. Rxe6 Qc7 21. Nf5 Ne4 22. Nxd6 Nxd6 23. Re7 Qc6 24. Qg4 Rf7 25. Qe6 Rc8 26. Bf4 Kh8 27. Bxd6 Rf6 28. Qg4 Rg6 29. Qf5 Rf6 30. Qg4 Rg6 31. Qf5 Rf6 32. Qe5 Qxd6 33. Qxd6 Rxd6 34. Rxa7 Rb8 35. Re1 Rdd8 36. Ree7 Rg8 37. Red7 Rbd8 38. Rab7 Rxd7 39. Rxd7 Rb8 40. Rxd5 Kg8 41. Re5 Kf7 42. f4 1-0

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2011.05.08"]
[Round "9"]
[White "Van Meegen, Judith"]
[Black "Van der Werff, Silvia"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1387"]
[BlackElo "1423"]
[PlyCount "56"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. Nf3 Bg4 6. h3 Bh5 7. d3 e6 8. Bd2 c6 9. Qe2 Nbd7 10. Qe3 Qc7 11. 0-0-0 Be7 12. Rhe1 b5 13. Bb3 a5 14. g4 Bg6 15. g5 Nh5 16. a4 Nc5 17. Qe5 Nxb3+ 18. cxb3 Bd6 19. Qd4 c5 20. Qe3 bxa4 21. bxa4 0-0 22. Nb5 Qc6 23. Nh4 Rab8 24. Nxg6 hxg6 25. Kb1 Be7 26. h4 Qd5 27. Qe4 Qd8 28. Be3 Qb6 1/2-1/2

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2011.05.06"]
[Round "7"]
[White "Van der Werff, Silvia"]
[Black "Hogenkamp, Jessie"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1423"]
[BlackElo "998"]
[PlyCount "99"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. Qb3 Nce7 11. 0-0 0-0 12. Ne5 c6 13. Rfe1 Nf5 14. Ndf3 Rb8 15. Nxc6 bxc6 16. Qxb8 Nb6 17. Bb3 Nxd4 18. Nxd4 Qxd4 19. Qe5 Qxe5 20. Rxe5 Nd7 21. Re7 a6 22. Rae1 Nf6 23. Rc7 Bd7 24. Ba4 h6 25. Bxc6 Bxc6 26. Rxc6 Ra8 27. Rec1 Nd5 28. Rc8+ Rxc8 29. Rxc8+ Kh7 30. Ra8 Nb4 31. a3 Nd3 32. b4 Ne5 33. Rxa6 Nc4 34. b5 Ne5 35. b6 Nd7 36. b7 Nb8 37. Ra8 Nc6 38. b8Q Nxb8 39. Rxb8 Kg6 40. a4 Kf6 41. a5 Ke6 42. a6 Kf5 43. a7 h5 44. a8Q h4 45. Qf3+ Kg5 46. Rb6 f5 47. g3 hxg3 48. Qxg3+ Kh5 49. Rg6 f4 50. Qg4# 1-0

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2011.05.04"]
[Round "5"]
[White "Parren, Ashley"]
[Black "Van der Werff, Silvia"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1134"]
[BlackElo "1423"]
[PlyCount "76"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 c6 4. b3 Bg4 5. Nf3 Nbd7 6. Nbd2 e6 7. Bb2 Bd6 8. Qe2 Qe7 9. 0-0-0 b5 10. Rde1 a5 11. c3 Ba3 12. Kb1 Bxb2 13. Kxb2 0-0 14. e4 b4 15. exd5 bxc3+ 16. Kxc3 Qb4+ 17. Kb2 Nxd5 18. Rc1 a4 19. Rc4 Qb7 20. Rhc1 Rfb8 21. Rxc6 axb3 22. axb3 Qb4 23. Ba6 Bxf3 24. gxf3 Qxd4+ 25. Kb1 Ne7 26. R6c4 Qd6 27. Ra4 Nc5 28. Ne4 Nxe4 29. Qxe4 Rxa6 30. Rxa6 Qxa6 31. Kb2 Ra8 32. Rd1 Qa2+ 33. Kc3 Nd5+ 34. Kd4 Qxb3 35. Qd3 Qa4+ 36. Qc4 Qxd1+ 37. Ke5 Qxf3 38. Qc2 Qf4# 0-1

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2011.05.03"]
[Round "4"]
[White "Van der Werff, Silvia"]
[Black "Keetman, Maaike"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1423"]
[BlackElo "1724"]
[PlyCount "44"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. c4 e6 6. dxe6 Nc6 7. exf7+ Kxf7 8. Be3 Bb4+ 9. Nc3 Re8 10. Kf2 Qe7 11. Bg5 Ng4+ 12. fxg4 Qxg5 13. Qf3 Qd2+ 14. Nge2 Bxc3 15. Qxf5+ Kg8 16. Qd5+ Kh8 17. bxc3 Qe3+ 18. Ke1 Qxc3+ 19. Kd1 Qxa1+ 20. Kd2 Qb2+ 21. Ke1 Nxd4 22. Qg5 Rxe2+ 0-1

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2011.05.02"]
[Round "3"]
[White "Van der Werff, Silvia"]
[Black "Waardenburg, Lisanne"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1423"]
[BlackElo "1187"]
[PlyCount "99"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Bc5 5. d3 h6 6. Be3 Bb6 7. 0-0 d6 8. h3 0-0 9. Na4 Ne7 10. Nxb6 axb6 11. Qd2 Ng6 12. d4 Nxe4 13. Qd3 d5 14. Bb3 c6 15. dxe5 Re8 16. c4 Be6 17. Rfd1 Ra5 18. Bc2 Nc5 19. Qe2 Ra8 20. Nd4 Nxe5 21. Qh5 Qf6 22. Re1 Ned3 23. Re2 Qg6 24. Qxg6 fxg6 25. Rd2 Nxb2 26. Bxg6 Nxc4 27. Bxe8 Nxd2 28. Nxe6 Nxe6 29. Bd7 Nc5 30. Bxc6 bxc6 31. Bxd2 Nb3 32. Rd1 Rxa2 33. Be3 b5 34. Rb1 Ra1 35. Rxa1 Nxa1 36. Kf1 Kf7 37. Ke2 Ke6 38. Kd3 Nb3 39. Kc3 Na5 40. Kb4 Nb7 41. g4 Nd6 42. Bd4 Ne4 43. Bxg7 Nxf2 44. Bxh6 Nxh3 45. Be3 Ke5 46. Kc5 b4 47. Kxb4 Ke4 48. Bb6 d4 49. Kc5 d3 50. Ba5 1/2-1/2

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2011.05.01"]
[Round "2"]
[White "Sanders, Catheleijne"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1739"]
[BlackElo "1423"]
[PlyCount "117"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nf3 Nf6 4. d4 Bg4 5. Be2 e6 6. Be3 Be7 7. 0-0 0-0 8. c4 Qd8 9. Nc3 c6 10. a3 Qc7 11. h3 Bh5 12. Rc1 Rd8 13. Qd2 Nbd7 14. Rfd1 Nc5 15. Qe1 Nb3 16. Rc2 Bg6 17. Bd3 Bxd3 18. Rxd3 Nc5 19. Rd1 Nce4 20. b4 a5 21. Nxe4 Nxe4 22. Rb1 a4 23. Qc1 Bf6 24. Bf4 Qd7 25. Re2 Nd6 26. Ne5 Qe7 27. Qc3 Nf5 28. Rd1 Rac8 29. Red2 b5 30. Qf3 Qb7 31. cxb5 Qxb5 32. Qc3 Ne7 33. Qc5 Qxc5 34. dxc5 Nd5 35. Bg3 h6 36. Nc4 Nc3 37. Rxd8+ Rxd8 38. Rxd8+ Bxd8 39. Be5 Nb5 40. Kf1 g6 41. Ke2 Kf8 42. Bb2 Bc7 43. Na5 Bxa5 44. bxa5 Ke8 45. Kd3 Nc7 46. Kc4 Nd5 47. a6 Kd8 48. a7 Nc7 49. Be5 Na8 50. Kb4 Kc8 51. Kxa4 Kb7 52. Bb8 Ka6 53. Kb4 h5 54. h4 f6 55. f4 e5 56. fxe5 fxe5 57. Kc4 Ka5 58. Bxe5 Ka4 59. Bd6 1-0

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2011.04.30"]
[Round "1"]
[White "Siu, Villa"]
[Black "Van der Werff, Silvia"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1120"]
[BlackElo "1423"]
[PlyCount "96"]
[EventDate "2011.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. Bg5 h6 7. Bh4 Bg4 8. h3 Bh5 9. Nd5 Nd4 10. Nxf6+ gxf6 11. g4 Bg6 12. c3 Nc6 13. a3 Qe7 14. Qe2 Nd8 15. d4 Bb6 16. d5 c6 17. 0-0-0 Bc7 18. Ne1 a6 19. Ng2 b5 20. Bb3 c5 21. Bc2 Rb8 22. a4 c4 23. Rhf1 Nb7 24. Qf3 Bd8 25. axb5 axb5 26. b4 cxb3 27. Bxb3 Rc8 28. Kb2 Nc5 29. Bc2 Na4+ 30. Bxa4 bxa4 31. Kc2 Qc7 32. Rfe1 Qc4 33. Rb1 Ba5 34. Qd3 Qxc3+ 35. Qxc3 Rxc3+ 36. Kb2 Rb3+ 37. Ka2 Bxe1 38. Rxe1 0-0 39. Bxf6 Rfb8 40. f4 Rb2+ 41. Ka1 Rxg2 42. fxe5 dxe5 43. Bxe5 Re8 44. Bf6 Rxe4 45. Rc1 Re8 46. d6 Rd2 47. Be7 Rb8 48. h4 Rbb2 0-1

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2010.05.15"]
[Round "9"]
[White "Keetman, Maaike"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "87"]
[EventDate "2010.05.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Bc4 a6 6. Nf3 Nc6 7. 0-0 e6 8. Re1 Be7 9. Ne2 0-0 10. Bf4 Qd7 11. c3 b5 12. Bd3 Bb7 13. Ng3 Rad8 14. Qc2 h6 15. a4 b4 16. Ne4 Nh5 17. Bd2 e5 18. Be2 bxc3 19. bxc3 exd4 20. Nxd4 Nxd4 21. cxd4 Nf6 22. Nxf6+ Bxf6 23. Bc3 Bxd4 24. Bxd4 Qxd4 25. Qxc7 Rd7 26. Qg3 Rfd8 27. h3 Qf6 28. Rab1 Qd4 29. Bg4 Be4 30. Rbd1 Qxd1 31. Bxd1 Rxd1 32. Rxd1 Rxd1+ 33. Kh2 Rd4 34. Qe5 Rxa4 35. Qe8+ Kh7 36. Qxa4 Bd3 37. Qf4 Kg8 38. Qb8+ Kh7 39. Qe8 Kg6 40. Qc6+ Kh7 41. Qd7 Bc4 42. Qc6 Bb5 43. Qc2+ Kg8 44. Kg3 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2010.05.15"]
[Round "7"]
[White "Van der Werff, Silvia"]
[Black "Den Dunnen, Lola"]
[Result "1-0"]
[ECO "C90"]
[PlyCount "103"]
[EventDate "2010.05.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[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. d4 Bg4 11. h3 Bh5 12. dxc5 Bxf3 13. Qxf3 dxc5 14. Qg3 Bf8 15. Qxe5+ Qe7 16. Qg3 Nc6 17. Nd2 g6 18. Nf3 Bg7 19. Bg5 Qe6 20. Red1 Qc8 21. Qd6 Qd7 22. Bxf6 Qxd6 23. Rxd6 Bxf6 24. Rxf6 Nd8 25. Rd1 Ne6 26. Ne5 0-0 27. Nxf7 Ng5 28. Nh6+ Kg7 29. Rxf8 Rxf8 30. Ng4 Ne6 31. Rd6 Kf7 32. Rxa6 Rb8 33. Ne5+ Ke8 34. Rxe6+ Kd8 35. Nc6+ Kd7 36. Nxb8+ Kxe6 37. Kf1 Kd6 38. Ke2 Kc7 39. Na6+ Kb6 40. e5 Kc6 41. Be4+ Kd7 42. Nxc5+ Ke7 43. Kd3 Ke8 44. Kd4 Ke7 45. Kd5 Ke8 46. Ke6 Kf8 47. Kd7 Kf7 48. e6+ Kf6 49. e7 Kg5 50. e8Q Kf4 51. g3+ Kg5 52. h4+ 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2010.05.15"]
[Round "8"]
[White "Van der Werff, Silvia"]
[Black "Meng, Olivia"]
[Result "0-1"]
[ECO "C89"]
[PlyCount "42"]
[EventDate "2010.05.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[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 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Qf3 Bg4 16. Qg2 Qh5 17. Nd2 Rae8 18. Qf1 Bh3 19. Qd3 Rxe1+ 20. Nf1 Qf3 21. Qxf3 Rxf1# 0-1

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2010.05.14"]
[Round "5"]
[White "Kazarian, Anna Maja"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "83"]
[EventDate "2010.05.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bd2 c6 6. h3 Bf5 7. Nf3 Nbd7 8. Bc4 e6 9. 0-0 Qc7 10. Re1 Be7 11. Be3 0-0 12. Bd3 Bxd3 13. Qxd3 Nb6 14. Rad1 Nbd5 15. Nxd5 Nxd5 16. Bd2 Rad8 17. c4 Nf6 18. Qc2 Rfe8 19. Be3 Bd6 20. Bg5 h6 21. Bxf6 gxf6 22. Re4 f5 23. Rh4 Bf8 24. Qc1 Kh7 25. g4 fxg4 26. hxg4 Kg8 27. Kg2 Bg7 28. g5 hxg5 29. Qxg5 Qe7 30. Qg3 Qf6 31. Rdh1 Kf8 32. Rg4 Bh6 33. Qh3 Bg7 34. Qh7 Rc8 35. Ne5 Rcd8 36. Kf1 a6 37. Rhg1 Bh6 38. Rg8+ Ke7 39. Rxe8+ Rxe8 40. Ng4 Qg6 41. Qxg6 f6 42. Nxh6 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2010.05.14"]
[Round "4"]
[White "Van der Werff, Silvia"]
[Black "Looijer, Cheryl"]
[Result "1-0"]
[ECO "D06"]
[PlyCount "77"]
[EventDate "2010.05.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. Bf4 Nf6 4. e3 Bf5 5. c4 e6 6. Nc3 Bb4 7. a3 Bxc3+ 8. bxc3 0-0 9. cxd5 Nxd5 10. Bg3 Nxc3 11. Qb3 Ne4 12. Qxb7 Nxg3 13. hxg3 Ne7 14. Be2 Bg6 15. 0-0 Nf5 16. Ne5 Nd6 17. Qb2 Rb8 18. Qc3 Ne4 19. Qa5 Rb7 20. Nxg6 fxg6 21. Bf3 Qd5 22. Qa6 Rfb8 23. Qd3 Rb5 24. Qxe4 Qd6 25. Rfc1 R5b6 26. Rc6 Qd7 27. Rxb6 cxb6 28. Qc6 Qe7 29. Bg4 Re8 30. d5 exd5 31. Qxd5+ Kh8 32. Qd7 Qe5 33. Rd1 h6 34. Qxa7 Qe4 35. Bf3 Qe6 36. Qd7 Qe5 37. Qc6 Re6 38. Qd5 Qf6 39. Qd8+ 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2010.05.14"]
[Round "6"]
[White "Verhoeff, Timardi"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "106"]
[EventDate "2010.05.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bd2 c6 6. Nf3 g6 7. Ne4 Qc7 8. Nxf6+ exf6 9. g3 Bg7 10. Bg2 0-0 11. 0-0 Be6 12. c3 Nd7 13. b3 c5 14. Rc1 Nb6 15. Bf4 Qe7 16. dxc5 Qxc5 17. Bd6 Qb5 18. Bxf8 Rxf8 19. Re1 f5 20. Nd4 Bxd4 21. Qxd4 Rb8 22. Qe5 Qe8 23. c4 Nd7 24. Qd4 Nb6 25. Bd5 Qd7 26. Rcd1 Rd8 27. f4 Qc7 28. Qe5 Qc5+ 29. Qe3 Qxe3+ 30. Rxe3 Kg7 31. Ree1 Bxd5 32. cxd5 Rxd5 33. Rxd5 Nxd5 34. Kf2 Nc3 35. Re7 Nxa2 36. Rxb7 Nc1 37. Ke3 a5 38. Kd2 Na2 39. Kc2 Nb4+ 40. Rxb4 axb4 41. Kd3 Kf6 42. Kc4 Ke6 43. Kxb4 Kd6 44. Kc4 Kc6 45. b4 Kb6 46. b5 Kc7 47. Kc5 Kb7 48. b6 Kb8 49. Kc6 Kc8 50. Kd6 Kb7 51. Ke7 Kxb6 52. Kxf7 Kc5 53. Kg7 Kd5 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2010.05.13"]
[Round "2"]
[White "Berga, Marije"]
[Black "Van der Werff, Silvia"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "82"]
[EventDate "2010.05.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 d5 2. Bd3 dxe4 3. Bxe4 Nf6 4. Nc3 Nxe4 5. Nxe4 Bf5 6. Nc5 Qd5 7. Nf3 Qxc5 8. 0-0 Qxc2 9. Qxc2 Bxc2 10. b3 Nc6 11. Bb2 Be4 12. Ng5 Bg6 13. Rac1 e5 14. Ra1 Bb4 15. Rad1 0-0-0 16. Bc1 Nd4 17. Bb2 Ne2+ 18. Kh1 Rxd2 19. Rxd2 Bxd2 20. Nf3 Bc3 21. Bxc3 Nxc3 22. Nxe5 Nxa2 23. Rd1 Re8 24. f4 f6 25. Nxg6 hxg6 26. h4 Re3 27. Kh2 Rxb3 28. Ra1 Nb4 29. Rxa7 Kb8 30. Ra1 Nd5 31. g3 c5 32. Rd1 Ne3 33. Rd7 c4 34. Rxg7 c3 35. Rxg6 c2 36. Rg8+ Ka7 37. h5 c1Q 38. g4 Nf1+ 39. Kg2 Qd2+ 40. Kg1 Qh2+ 41. Kxf1 Rb1# 0-1

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2010.05.13"]
[Round "3"]
[White "Van der Werff, Silvia"]
[Black "Dubbeldam, Lydia"]
[Result "1-0"]
[ECO "C40"]
[PlyCount "90"]
[EventDate "2010.05.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. d4 fxe4 4. Nxe5 Nf6 5. Nc3 Bb4 6. Bd2 d6 7. Nc4 0-0 8. a3 Bxc3 9. bxc3 Nc6 10. Be2 d5 11. Ne3 Ne7 12. 0-0 Nf5 13. Nxf5 Bxf5 14. c4 c6 15. cxd5 cxd5 16. c4 a6 17. Rb1 e3 18. Bxe3 Bxb1 19. Qxb1 Qc7 20. cxd5 Nxd5 21. Qb3 Qc6 22. Bf3 Rad8 23. Rc1 Qb5 24. Qa2 Kh8 25. Rc5 Qb6 26. Rxd5 Rxd5 27. Bxd5 Qa5 28. h3 Qe1+ 29. Kh2 Qa5 30. Qb3 Qc7+ 31. Kg1 b5 32. a4 bxa4 33. Qxa4 Rb8 34. Be4 Qe7 35. Bd3 Qb4 36. Qxa6 Qe1+ 37. Kh2 Qc3 38. Qc4 Qxc4 39. Bxc4 Rc8 40. Be6 Re8 41. d5 h6 42. Bf4 g5 43. Bg3 h5 44. d6 Rxe6 45. d7 Re2 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2010.05.13"]
[Round "1"]
[White "Van der Werff, Silvia"]
[Black "Kruijsen, Sterre"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "53"]
[EventDate "2010.05.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb6 7. Nc3 d6 8. 0-0 Bg4 9. h3 Bh5 10. d5 Nd4 11. Re1 Nxf3+ 12. gxf3 0-0 13. Na4 Nd7 14. Nxb6 Nxb6 15. Bb3 Qh4 16. Kg2 h6 17. Be3 Rfe8 18. Rc1 c5 19. dxc6 Rxe4 20. cxb7 Rb8 21. Bxb6 axb6 22. Rxe4 Qxe4 23. Rc8+ Kh7 24. Bc2 Bxf3+ 25. Qxf3 Qxc2 26. Rxc2 f6 27. Rc8 1-0

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2010.05.08"]
[Round "9"]
[White "Van der Werff, Silvia"]
[Black "De Ridder, Naomi"]
[Result "0-1"]
[ECO "C57"]
[BlackElo "1799"]
[PlyCount "42"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. Bxb5 Qxd5 7. Bxc6+ Qxc6 8. 0-0 Bb7 9. Nf3 Bd6 10. d3 0-0 11. Nc3 Rad8 12. Be3 Qa6 13. Re1 e4 14. Nd4 Be5 15. Nb3 exd3 16. Nc5 Qc6 17. Nxb7 Qxb7 18. cxd3 Qxb2 19. Na4 Qxa1 20. Qxa1 Bxa1 21. Rxa1 Rxd3 0-1

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2010.05.07"]
[Round "8"]
[White "Lacourt, Frederique"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "31"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. d4 c6 6. h3 g6 7. Bc4 Bf5 8. Ne5 e6 9. f3 h5 10. g4 hxg4 11. fxg4 Be4 12. Rf1 Nbd7 13. Qe2 Nxe5 14. dxe5 Nd5 15. Bd2 Bb4 16. Nxe4 1-0

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2010.05.06"]
[Round "7"]
[White "Van der Werff, Silvia"]
[Black "Klopstra, Frederieke"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "40"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Bg4 5. h3 Bh5 6. Bb5+ Nc6 7. Bf4 e6 8. Nc3 Bb4 9. 0-0 Bxc3 10. bxc3 Qa5 11. Qd3 Bg6 12. Bxc6+ bxc6 13. Qd2 Nf6 14. Ne5 Ne4 15. Qe3 Qxc3 16. Nxg6 hxg6 17. Rfc1 0-0 18. Rab1 Qxe3 19. Bxe3 Nc3 20. Bf4 Ne2+ 0-1

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2010.05.04"]
[Round "6"]
[White "Van der Wouden, Lotte"]
[Black "Van der Werff, Silvia"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "60"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 a6 5. Nge2 Nf6 6. Bf4 Qd8 7. g3 Bg4 8. Bg2 Nc6 9. Qd2 e6 10. 0-0 Bb4 11. a3 Ba5 12. b4 Bb6 13. Be3 0-0 14. f3 Bf5 15. Na4 Ba7 16. c3 e5 17. Kh1 Re8 18. dxe5 Bxe3 19. Qxe3 Nxe5 20. Qd4 Qe7 21. Qc5 Qd7 22. Qd4 Qxa4 23. h4 Rad8 24. Qf4 Bd3 25. Rfe1 Bxe2 26. Rxe2 Rd1+ 27. Re1 Rxa1 28. Rxa1 Qc2 29. Re1 Qxc3 30. a4 Qxe1+ 0-1

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2010.05.03"]
[Round "5"]
[White "Van der Werff, Silvia"]
[Black "Keetman, Maaike"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "74"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Bg4 5. h3 Bh5 6. Be2 Nf6 7. Bf4 Nc6 8. c3 e6 9. Nbd2 Bd6 10. Bxd6 Qxd6 11. 0-0 0-0 12. Re1 Rac8 13. Nb3 b6 14. Ng5 Bg6 15. Bd3 Bxd3 16. Qxd3 h6 17. Nf3 Nd7 18. Nbd2 Rb8 19. Rac1 b5 20. b3 Rfc8 21. Qe3 Qa3 22. Rc2 Nb4 23. Rcc1 Nc6 24. Rc2 a5 25. Nb1 Qd6 26. Nbd2 Nb4 27. Rb2 Na6 28. Rc2 Rc6 29. c4 Nb4 30. Rcc1 Nxa2 31. Rc2 Nb4 32. Rcc1 bxc4 33. bxc4 dxc4 34. Nxc4 Qd5 35. Ncd2 Rbc8 36. Ra1 Nc2 37. Qe2 Nxa1 0-1

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2010.05.02"]
[Round "4"]
[White "Van der Werff, Silvia"]
[Black "De Vries, Emma"]
[Result "1-0"]
[ECO "B78"]
[PlyCount "45"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Qd2 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 Nc4 13. Bxc4 Rxc4 14. h5 Nxh5 15. g4 Nf6 16. Bh6 Nxe4 17. Qe3 Nf6 18. Bxg7 Kxg7 19. Qh6+ Kh8 20. Ne4 Nh5 21. gxh5 Bf5 22. hxg6 Bxg6 23. Ne6 1-0

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2010.05.01"]
[Round "3"]
[White "Meng, Olivia"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "85"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bd2 c6 7. Be2 Nbd7 8. 0-0 e6 9. a3 Qc7 10. Bg5 Be7 11. Re1 0-0 12. Nh4 Bg6 13. Nf3 h6 14. Bh4 Nb6 15. h3 Rfd8 16. Ne5 Bh7 17. Bg3 Bd6 18. Bd3 Bxd3 19. Qxd3 c5 20. Nb5 Qe7 21. Nxd6 Rxd6 22. Nf3 Rd7 23. Rad1 Rad8 24. c3 cxd4 25. Nxd4 Nbd5 26. Bh4 Nf4 27. Qg3 Ng6 28. Nf5 Qc5 29. Rxd7 Rxd7 30. Nxh6+ Kf8 31. Bxf6 gxf6 32. Ng4 Ke7 33. Qf3 Qg5 34. Ne3 Qb5 35. b4 Qd3 36. c4 Ne5 37. Qe2 Qxa3 38. f4 Nc6 39. Nd5+ Kf8 40. Qh5 Ne7 41. Qh6+ Ke8 42. Qh8+ Ng8 43. Qxg8# 1-0

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2010.04.30"]
[Round "2"]
[White "Hamelink, Veronique"]
[Black "Van der Werff, Silvia"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "58"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 h6 6. Bh4 d6 7. h3 Na5 8. Bb3 Nxb3 9. axb3 Be6 10. 0-0 0-0 11. Nc3 c6 12. Na4 Bb4 13. c3 Ba5 14. c4 Re8 15. Nc3 Bb6 16. b4 Bc7 17. b5 cxb5 18. Nxb5 Bb6 19. Nc3 Qd7 20. Qc2 Bc5 21. b3 a6 22. Nd5 Bxd5 23. cxd5 Rac8 24. Qd2 Rc7 25. Ra4 Rec8 26. Rc4 b5 27. Rcc1 Bb6 28. b4 Rxc1 29. Rxc1 Bc7 1/2-1/2

[Event "NED-ch U15 Girls"]
[Site "Haarlem"]
[Date "2010.04.29"]
[Round "1"]
[White "Van der Werff, Silvia"]
[Black "Kazarian, Anna Maja"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "56"]
[EventDate "2010.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Bb4 7. f3 d5 8. exd5 Bxc3+ 9. bxc3 Qxd5 10. Qxd5 Nxd5 11. c4 Ndb4 12. Bd3 Nxd3+ 13. cxd3 Bf5 14. Ke2 0-0-0 15. Rd1 Nb4 16. Nc5 b6 17. Ne4 Bxe4 18. fxe4 Rd7 19. Ba3 Nc2 20. Rab1 Nxa3 21. Rb2 Rhd8 22. Rdd2 Kb7 23. Rb3 Nxc4 24. Rc2 Nd6 25. a4 f5 26. a5 fxe4 27. dxe4 Nxe4 28. axb6 axb6 0-1

[Event "Enschede op-D U14"]
[Site "Enschede"]
[Date "2009.08.03"]
[Round "7"]
[White "Keetman, Maaike"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1444"]
[BlackElo "1323"]
[PlyCount "55"]
[EventDate "2009.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 6. Bc4 e6 7. 0-0 Be7 8. Bg5 0-0 9. Qd3 b5 10. Bb3 Bb7 11. Rfe1 Nc6 12. Ne5 Rfe8 13. Rad1 Nxe5 14. dxe5 Qc6 15. Qh3 Nd5 16. Bxd5 exd5 17. Bxe7 Rxe7 18. Nxd5 Rd7 19. Qxd7 Qxd7 20. Nf6+ gxf6 21. Rxd7 fxe5 22. Rxe5 Rc8 23. f3 Kg7 24. Ree7 Rf8 25. Rxc7 Bd5 26. a3 Be6 27. Rc6 Ra8 28. Rcxe6 1-0

[Event "Enschede op-D U14"]
[Site "Enschede"]
[Date "2009.08.03"]
[Round "9"]
[White "Keuning, Selwin"]
[Black "Van der Werff, Silvia"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1475"]
[BlackElo "1323"]
[PlyCount "78"]
[EventDate "2009.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Bc4 Nf6 5. Nge2 a6 6. a4 Nc6 7. d4 Bg4 8. Bf4 Qb4 9. f3 0-0-0 10. Bxf7 Bf5 11. d5 e6 12. 0-0 Qe7 13. g4 Bxg4 14. fxg4 Qxf7 15. Nd4 Bc5 16. Be3 e5 17. Nf5 g6 18. Bxc5 gxf5 19. Rxf5 Qg6 20. Qf3 Nxd5 21. Nxd5 Rxd5 22. Be3 Rdd8 23. Rf6 Qxc2 24. Rc1 Qxa4 25. Qf5+ Kb8 26. Rfxc6 bxc6 27. Qxe5 Qxg4+ 28. Kf2 Rhf8+ 29. Ke1 Qb4+ 30. Ke2 Qb5+ 31. Qxb5+ cxb5 32. Ra1 Kb7 33. b4 Rfe8 34. Rc1 Rd4 35. Rb1 Rde4 36. Rb3 Kc6 37. Rc3+ Kd5 38. Kf2 Rxb4 39. Rxc7 Rb2+ 0-1

[Event "Enschede op-D U14"]
[Site "Enschede"]
[Date "2009.08.03"]
[Round "4"]
[White "Van der Werff, Silvia"]
[Black "De Ruiter, Tom"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "1323"]
[BlackElo "1404"]
[PlyCount "86"]
[EventDate "2009.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Bc4 Nc6 7. Be3 Nf6 8. f3 Bd7 9. Qd2 Rc8 10. Bb3 0-0 11. 0-0-0 Ne5 12. Bh6 Nc4 13. Bxc4 Rxc4 14. Bxg7 Kxg7 15. h4 h5 16. Qg5 Qb6 17. Nf5+ Bxf5 18. exf5 Rfc8 19. Rd3 Rb4 20. fxg6 fxg6 21. g4 Rc5 22. Qe3 Re5 23. Qxb6 Rxb6 24. gxh5 Nxh5 25. Rg1 Nf4 26. Rdd1 Rc6 27. Rde1 Rxe1+ 28. Rxe1 e5 29. Kd2 Kh6 30. Rh1 d5 31. Re1 Re6 32. Ne2 Ng2 33. Rh1 e4 34. fxe4 dxe4 35. Rh2 e3+ 36. Kd1 Rf6 37. c3 Rd6+ 38. Kc2 Rd2+ 39. Kc1 Rxe2 40. a3 Nf4 41. Rxe2 Nxe2+ 42. Kd1 Nf4 43. Ke1 e2 0-1

[Event "Enschede op-D U14"]
[Site "Enschede"]
[Date "2009.08.03"]
[Round "2"]
[White "Van der Werff, Silvia"]
[Black "Sanders, Catheleijne"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1323"]
[BlackElo "1540"]
[PlyCount "116"]
[EventDate "2009.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. 0-0 0-0 11. Re1 Nce7 12. Qb3 c6 13. Ne5 Qb6 14. Nef3 Qxb3 15. Nxb3 Bf5 16. Rac1 Rfe8 17. h3 Nb6 18. Be2 Ned5 19. Nc5 Rab8 20. Nh4 Bg6 21. Nxg6 hxg6 22. Bg4 Rxe1+ 23. Rxe1 Nc4 24. b3 Nd6 25. Kh2 Nb5 26. Rd1 Ndc3 27. Rd2 b6 28. Nd7 Rd8 29. a4 f5 30. axb5 Nxb5 31. Bxf5 gxf5 32. Ne5 Rxd4 33. Rc2 c5 34. Nc6 Rd6 35. Ne7+ Kf7 36. Nxf5 Rd3 37. Rb2 Nd4 38. Nxd4 Rxd4 39. Ra2 a5 40. Kg3 Rd3+ 41. Kf4 Rxb3 42. Ke4 Ke6 43. g3 Rb4+ 44. Kd3 a4 45. Kc3 b5 46. h4 Rb3+ 47. Kc2 Rf3 48. Kb1 a3 49. Rc2 Kd5 50. Rd2+ Kc4 51. Rc2+ Kb4 52. Ka2 c4 53. h5 Ka4 54. g4 b4 55. Kb1 Kb3 56. g5 Rh3 57. h6 a2+ 58. Rxa2 Rh1# 0-1

[Event "Enschede op-D U14"]
[Site "Enschede"]
[Date "2009.08.03"]
[Round "6"]
[White "Van der Werff, Silvia"]
[Black "Thienpondt, Mardoek Michel"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1323"]
[BlackElo "1321"]
[PlyCount "55"]
[EventDate "2009.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 c6 5. Nf3 Bd6 6. Bg5 f6 7. Bd2 Bg4 8. h3 Bh5 9. Be2 Ne7 10. 0-0 0-0 11. Re1 Nd7 12. Nh4 Bxe2 13. Qxe2 Nb6 14. Qe6+ Kh8 15. Nf5 Nxf5 16. Qxf5 Qc8 17. Qxc8 Raxc8 18. Re6 Rcd8 19. Rae1 Kg8 20. Kf1 Kf7 21. R6e3 Nc4 22. R3e2 Rfe8 23. b3 Nxd2+ 24. Rxd2 Rxe1+ 25. Kxe1 Re8+ 26. Kd1 Bb4 27. Rd3 Re6 28. Ne2 1/2-1/2

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2009.05.23"]
[Round "7"]
[White "Naber, Maureen"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "130"]
[EventDate "2009.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. Nc3 0-0 6. d3 d6 7. h3 Be6 8. Bb3 h6 9. Be3 Bb6 10. d4 exd4 11. Nxd4 Nxd4 12. Bxd4 d5 13. Bxb6 axb6 14. exd5 Bf5 15. Re1 Qd6 16. Qd2 c5 17. Nb5 Qd7 18. c4 Ne4 19. Qd1 Nd6 20. Nxd6 Qxd6 21. Bc2 Qg6 22. Bxf5 Qxf5 23. Qg4 Qf6 24. b3 Rfe8 25. Qf3 Qd4 26. a4 Qd2 27. Qd1 Rxe1+ 28. Qxe1 Qd4 29. Rd1 Qf6 30. d6 Rd8 31. d7 Qc6 32. Qe7 Qc7 33. Qe8+ Kh7 34. Qxf7 Qc6 35. Qf5+ Kh8 36. Qd5 Qxd5 37. Rxd5 Kg8 38. Rd6 Kf7 39. Rxb6 Rxd7 40. a5 Ke7 41. a6 bxa6 42. Rxa6 Rb7 43. Ra3 Ke6 44. Kf1 Ke5 45. Ke2 Ke4 46. f3+ Kd4 47. Kd2 Ke5 48. Ke3 Rb6 49. f4+ Kf5 50. g4+ Kf6 51. Ke4 Ke6 52. f5+ Kd6 53. h4 Rc6 54. Ra1 Rb6 55. Rd1+ Kc6 56. Rd3 Rb7 57. g5 hxg5 58. hxg5 Re7+ 59. Kf4 Rf7 60. Rd5 Rf8 61. Rd1 Rf7 62. Re1 Rf8 63. Re6+ Kd7 64. Ke5 Kc7 65. Re7+ Kc6 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2009.05.23"]
[Round "8"]
[White "Van der Werff, Silvia"]
[Black "Hamelink, Veronique"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "135"]
[EventDate "2009.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb6 7. Nc3 d6 8. h3 0-0 9. 0-0 h6 10. Bf4 Nh5 11. Be3 Na5 12. Be2 Nc6 13. Qc2 Qf6 14. Nd5 Qg6 15. Nh4 Qe6 16. Bxh5 Rb8 17. Nxb6 axb6 18. d5 Qd7 19. dxc6 Qxc6 20. Qxc6 bxc6 21. Rac1 c5 22. Rfe1 Bb7 23. Bd2 Rfe8 24. Nf3 Ra8 25. a3 Bc6 26. e5 Kh8 27. Bxf7 Re7 28. Bg6 Re6 29. Bf5 Re7 30. exd6 Rxe1+ 31. Rxe1 cxd6 32. Be4 Rc8 33. Bxc6 Rxc6 34. Rc1 Kh7 35. b4 c4 36. Nd4 Rc7 37. Nb5 Rc6 38. Bf4 d5 39. Nc3 d4 40. Ne2 d3 41. Nd4 Rc8 42. Kf1 c3 43. Ke1 g5 44. Bd2 Re8+ 45. Kd1 c2+ 46. Nxc2 dxc2+ 47. Rxc2 Rf8 48. f3 h5 49. a4 g4 50. hxg4 hxg4 51. fxg4 Rf1+ 52. Ke2 Rf6 53. a5 Re6+ 54. Kd1 b5 55. Rc5 Ra6 56. Rxb5 Rg6 57. g5 Kh8 58. Rb8+ Kh7 59. b5 Rxg5 60. Bxg5 Kg6 61. a6 Kxg5 62. a7 Kg4 63. a8Q Kf5 64. Re8 Kf6 65. Qf3+ Kg7 66. Re4 Kg6 67. Rg4+ Kh5 68. Qh3# 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2009.05.23"]
[Round "9"]
[White "Van der Werff, Silvia"]
[Black "Van den Broek, Amber"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "101"]
[EventDate "2009.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Bg4 6. Be2 Nf6 7. 0-0 e6 8. h3 Bh5 9. Bd2 Qc7 10. Re1 Bd6 11. Ng5 Bxe2 12. Qxe2 h6 13. Nge4 Nbd7 14. Rad1 0-0 15. Qf3 Rad8 16. Ng3 Bxg3 17. Qxg3 Rc8 18. Bf4 Qa5 19. Bxh6 Nh5 20. Qg4 Kh8 21. Bd2 Qf5 22. Qxf5 exf5 23. Re7 Nhf6 24. Bg5 Rb8 25. d5 Rfe8 26. Rxf7 Rf8 27. Rxf8+ Rxf8 28. dxc6 bxc6 29. Rd6 c5 30. Nd5 Nxd5 31. Rxd5 Nb6 32. Rxc5 Na4 33. Ra5 Nxb2 34. Rxa7 Nc4 35. a4 Rb8 36. Kf1 Rb1+ 37. Ke2 Ra1 38. Kd3 Nb2+ 39. Kc3 Nd1+ 40. Kc4 Nxf2 41. a5 Ra4+ 42. Kb5 Ra1 43. a6 Rb1+ 44. Kc6 Ra1 45. Ra8+ Kh7 46. Be3 Ne4 47. a7 Nc3 48. Rb8 Rxa7 49. Bxa7 Kh6 50. Bd4 Ne2 51. Be5 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2009.05.22"]
[Round "6"]
[White "De Kok, Carolijn"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "75"]
[EventDate "2009.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. Bc4 Bg4 6. 0-0 e6 7. d3 Be7 8. Bf4 Nc6 9. Nb5 0-0 10. Bxc7 Qb4 11. Qe2 a6 12. Nc3 Rac8 13. Bf4 Qxb2 14. Ne4 Nd4 15. Qd1 Nxf3+ 16. gxf3 Bh3 17. Re1 Qb6 18. Rb1 Qa5 19. Rxb7 Qf5 20. Qd2 Rfe8 21. Ng3 Qg6 22. Re5 h6 23. Bxa6 Ra8 24. Bb5 Bd6 25. Re2 Red8 26. d4 e5 27. Bc4 Qh7 28. Bxe5 Bxe5 29. Rxe5 Rab8 30. Ree7 Nd5 31. Bd3 Qh8 32. Rxf7 Rxb7 33. Rxb7 Nf6 34. Qa5 Rc8 35. Nh5 Nxh5 36. Qd5+ Be6 37. Qxe6+ Kf8 38. Qf7# 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2009.05.22"]
[Round "4"]
[White "Kazarian, Anna Maja"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "169"]
[EventDate "2009.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. d4 a6 6. Be2 Nc6 7. Be3 Bf5 8. a3 e6 9. 0-0 Be7 10. Qd2 0-0 11. Bf4 Qd8 12. Rad1 Re8 13. Rfe1 Bd6 14. Bxd6 cxd6 15. Bd3 Bxd3 16. Qxd3 e5 17. dxe5 dxe5 18. Qxd8 Raxd8 19. Rxd8 Nxd8 20. Rxe5 Ne6 21. g3 Kf8 22. Kg2 Rd8 23. Re1 Re8 24. Rd1 Rc8 25. Nd4 Nxd4 26. Rxd4 Ke8 27. Kf3 Rc6 28. Ke2 Rb6 29. b4 Rc6 30. Kd2 Rc7 31. Nd5 Nxd5 32. Rxd5 Ke7 33. Rd3 Ke6 34. Rc3 Rd7+ 35. Ke2 g6 36. Rc5 f5 37. f4 Kd6 38. Rc3 Re7+ 39. Re3 Rc7 40. Kd3 Kd5 41. Re5+ Kd6 42. c4 Kd7 43. Kd4 Rc6 44. c5 b6 45. cxb6 Rxb6 46. Rc5 Kd6 47. Rd5+ Kc6 48. Kc4 Rb7 49. Rc5+ Kd6 50. a4 Kd7 51. Ra5 Rc7+ 52. Kd5 Rc6 53. Rc5 Rb6 54. Kc4 Kd6 55. Rd5+ Kc6 56. Rd8 Rb7 57. Rc8+ Kd6 58. b5 axb5+ 59. axb5 Kd7 60. Rh8 Kd6 61. Rd8+ Kc7 62. Rd5 Kc8 63. Kc5 Rc7+ 64. Kb6 Rb7+ 65. Ka6 Re7 66. b6 Rf7 67. Rc5+ Kb8 68. Re5 Kc8 69. Re8+ Kd7 70. Rb8 Kc6 71. Rc8+ Kd6 72. b7 Rxb7 73. Kxb7 Ke7 74. Rc7+ Ke6 75. Rxh7 Kf6 76. Kc7 Ke6 77. Kc6 Kf6 78. h4 g5 79. hxg5+ Kg6 80. Rh6+ Kg7 81. Kd6 Z0 82. Ke6 Kf8 83. Kf6 Kg8 84. g6 Kf8 85. Rh8# 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2009.05.22"]
[Round "5"]
[White "Van der Werff, Silvia"]
[Black "Mes, Emily"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "129"]
[EventDate "2009.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Nf3 Nxc3 5. bxc3 Nc6 6. d4 e5 7. Bg5 Be7 8. Bxe7 Qxe7 9. Be2 Bg4 10. 0-0 0-0-0 11. Nxe5 Nxe5 12. Bxg4+ Kb8 13. Qe2 Ng6 14. Qf3 Nh4 15. Qg3 Qg5 16. Rab1 f5 17. Be2 Qxg3 18. fxg3 Rhe8 19. Bb5 c6 20. Bxc6 Re6 21. Bxb7 Rb6 22. Rxb6 axb6 23. Bc6 Rc8 24. gxh4 Rxc6 25. Rxf5 Rxc3 26. Rf2 Ra3 27. d5 Rxa2 28. Rd2 Kc7 29. Kf2 Kd6 30. Ke3 Ra4 31. h5 b5 32. Rd3 b4 33. h3 h6 34. Rd4 Ra3+ 35. Ke4 Rc3 36. Rxb4 Rxc2 37. g4 Re2+ 38. Kf3 Re5 39. Rd4 Rxd5 40. Rxd5+ Kxd5 41. Kf4 Ke6 42. h4 Kf6 43. g5+ Kf7 44. Kf5 hxg5 45. hxg5 Kg8 46. Kg6 Kh8 47. h6 gxh6 48. Kxh6 Kg8 49. Kg6 Kf8 50. Kh7 Ke7 51. g6 Kd6 52. g7 Kd5 53. g8Q+ Ke4 54. Qg5 Kd4 55. Kg6 Ke4 56. Kf6 Kd4 57. Ke6 Kc4 58. Kd6 Kb4 59. Qc5+ Ka4 60. Kd5 Kb3 61. Qc4+ Kb2 62. Kd4 Ka1 63. Kc3 Kb1 64. Qb3+ Kc1 65. Qc2# 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2009.05.21"]
[Round "1"]
[White "Cheroux, Julia"]
[Black "Van der Werff, Silvia"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "42"]
[EventDate "2009.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d5 2. Bd3 dxe4 3. Bc4 Nf6 4. Nc3 Nc6 5. d4 Nxd4 6. Bf4 Bg4 7. f3 exf3 8. gxf3 Bf5 9. Be5 Nxc2+ 10. Ke2 Nxa1 11. Qxa1 e6 12. Nb5 Bd6 13. b3 a6 14. Bxf6 Qxf6 15. Nxc7+ Bxc7 16. Qd1 0-0 17. Nh3 Bxh3 18. Bd3 Qb2+ 19. Ke1 Ba5+ 20. b4 Bxb4+ 21. Qd2 Qxd2# 0-1

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2009.05.21"]
[Round "2"]
[White "Van der Werff, Silvia"]
[Black "Engelberts, Robin"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "104"]
[EventDate "2009.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Be2 Be7 6. 0-0 0-0 7. Bf4 Bf5 8. c3 Nc6 9. Nbd2 Bd6 10. Bg5 h6 11. Bh4 Re8 12. Re1 a6 13. Nb3 Bf4 14. Bg3 Bxg3 15. hxg3 Ne4 16. Bd3 Nd6 17. Bxf5 Nxf5 18. Qc2 Nd6 19. Rad1 Nc4 20. Rxe8+ Qxe8 21. Re1 Qd8 22. Nbd2 N6a5 23. b4 Nxd2 24. Qxd2 Nc4 25. Qc2 Qd7 26. Ne5 Nxe5 27. Rxe5 Re8 28. Qf5 Qxf5 29. Rxf5 c6 30. Kf1 Kf8 31. a3 Re4 32. f3 Re3 33. c4 dxc4 34. Rc5 Rxa3 35. Rxc4 Ke7 36. Ke2 Kd6 37. Kd2 Kd5 38. Rc3 Rxc3 39. Kxc3 b6 40. Kd3 a5 41. bxa5 bxa5 42. Kc3 f5 43. f4 a4 44. Kd3 a3 45. Kc3 a2 46. Kb2 Kxd4 47. Kxa2 Kc3 48. Kb1 Kd2 49. Kb2 c5 50. Kb3 Kd3 51. Kb2 c4 52. Kc1 Kc3 0-1

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2009.05.21"]
[Round "3"]
[White "Van der Werff, Silvia"]
[Black "Van Meegen, Judith"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "48"]
[EventDate "2009.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bb4 5. 0-0 0-0 6. d3 d6 7. Bg5 Bxc3 8. bxc3 Bg4 9. h3 Bh5 10. Re1 h6 11. Bh4 Na5 12. Bb5 c6 13. Ba4 b5 14. Bb3 Nxb3 15. cxb3 Qe7 16. d4 Qe6 17. Qd3 Rfe8 18. Bg3 exd4 19. Nxd4 Qd7 20. e5 dxe5 21. Bxe5 Bg6 22. Qf3 Nd5 23. Bg3 Rxe1+ 24. Rxe1 Re8 1/2-1/2

[Event "Groningen Compact op-D"]
[Site "Groningen"]
[Date "2008.12.26"]
[Round "1"]
[White "Van den Berg, Johan"]
[Black "Van der Werff, Silvia"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "96"]
[EventDate "2008.12.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "CBM 127 Extra"]
[Source "ChessBase"]
[SourceDate "2009.01.08"]
[SourceVersion "2"]
[SourceVersionDate "2009.01.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Bf4 Bf5 4. Nc3 Nf6 5. e3 e6 6. Nf3 Be7 7. cxd5 cxd5 8. Qb3 Qc8 9. Bb5+ Nc6 10. 0-0 0-0 11. Rac1 a6 12. Be2 Qd7 13. Ne5 Nxe5 14. Bxe5 Rfc8 15. a3 Ne4 16. g3 Nd2 17. Qd1 Nxf1 18. Bxf1 Bd6 19. Bxd6 Qxd6 20. Be2 h6 21. Qb3 Kh8 22. Bh5 Kg8 23. f4 b5 24. Qd1 Qe7 25. Qe1 b4 26. Ne2 bxa3 27. bxa3 Qxa3 28. Rc3 Rxc3 29. Qxc3 Qxc3 30. Nxc3 a5 31. Bd1 Rc8 32. Ne2 Bd3 33. Kf2 Bxe2 34. Kxe2 Kf8 35. g4 Ra8 36. Ba4 g5 37. f5 exf5 38. gxf5 Rb8 39. Bc6 Ke7 40. Bxd5 a4 41. e4 a3 42. Kd3 Rc8 43. Ba2 f6 44. d5 Kd6 45. Kd2 Ke5 46. Bb1 g4 47. Ke3 Rc3+ 48. Kf2 Rb3 0-1

[Event "EU-ch U10 Girls 18th"]
[Site "Herceg Novi"]
[Date "2008.09.24"]
[Round "9"]
[White "Van der Werff, Silvia"]
[Black "Yakici, Irem"]
[Result "1-0"]
[ECO "B78"]
[PlyCount "65"]
[EventDate "2008.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MNE"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. f3 Nc6 8. Be3 0-0 9. Qd2 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. Kb1 Re8 13. g4 Qa5 14. h4 b5 15. h5 Nc4 16. Bxc4 bxc4 17. hxg6 fxg6 18. Qh2 Rb8 19. Kc1 Qb4 20. Kd2 Qxb2 21. Bg5 h5 22. Bxf6 Bxf6 23. Nde2 Bg5+ 24. f4 Bf6 25. gxh5 gxh5 26. Rhg1+ Bg4 27. Qxh5 Qb6 28. Rxg4+ Kf8 29. Rdg1 e6 30. Rg8+ Ke7 31. Qh7+ Kd8 32. Rxe8+ Kxe8 33. Rg8# 1-0

[Event "EU-ch U10 Girls 18th"]
[Site "Herceg Novi"]
[Date "2008.09.23"]
[Round "8"]
[White "Ponomarchuk, Anastasia"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "77"]
[EventDate "2008.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MNE"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bd2 c6 7. Bc4 e6 8. 0-0 Nbd7 9. Qe2 Be7 10. Bb3 0-0 11. Rad1 Qc7 12. Rfe1 Rad8 13. h3 Rfe8 14. Bg5 h6 15. Bxf6 Nxf6 16. Ne5 Qb6 17. Qe3 Nd5 18. Nxd5 cxd5 19. c3 Bg5 20. Qe2 Rc8 21. Qf1 Be7 22. Qe2 Bd6 23. Qf3 f6 24. Nd3 Be4 25. Qe2 e5 26. dxe5 Bxe5 27. Nxe5 Rxe5 28. Qf1 Rg5 29. Rxe4 Kh8 30. Red4 Qe6 31. Rxd5 Qxh3 32. Rxg5 Qh4 33. Rg3 Re8 34. Bc2 Kg8 35. Qd3 Qh5 36. Qh7+ Kf7 37. Bb3+ Ke7 38. Rxg7+ Kf8 39. Qg8# 1-0

[Event "EU-ch U10 Girls 18th"]
[Site "Herceg Novi"]
[Date "2008.09.21"]
[Round "6"]
[White "Petrova, Boryana"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "51"]
[EventDate "2008.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MNE"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 Bg4 6. f3 Bf5 7. Nge2 e6 8. Ng3 Bg6 9. 0-0 Nbd7 10. f4 Be7 11. f5 exf5 12. Qe2 Qb6 13. Nxf5 Bxf5 14. Rxf5 Qxd4+ 15. Kh1 Qd6 16. Bf4 Qb6 17. Nd5 Nxd5 18. Bxd5 f6 19. Re1 0-0-0 20. Qxe7 Rhe8 21. Qxe8 g6 22. Rxf6 Qxf6 23. Qf7 Qd4 24. Bg5 Rf8 25. Re8+ Rxe8 26. Qxe8# 1-0

[Event "EU-ch U10 Girls 18th"]
[Site "Herceg Novi"]
[Date "2008.09.19"]
[Round "5"]
[White "Van der Werff, Silvia"]
[Black "Drogovoz, Maria"]
[Result "0-1"]
[ECO "B84"]
[PlyCount "72"]
[EventDate "2008.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MNE"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7 7. Be3 Qc7 8. 0-0 0-0 9. Qd2 a6 10. f3 Nbd7 11. a3 b5 12. Rfb1 Bb7 13. a4 bxa4 14. Nxa4 Rfc8 15. c4 d5 16. b3 dxe4 17. fxe4 Nxe4 18. Qd3 Bg5 19. Rf1 Ne5 20. Qd1 Bxe3+ 21. Kh1 Nf2+ 22. Rxf2 Bxf2 23. Qf1 Bxd4 24. Rd1 Rd8 25. Qf4 Qc6 26. Bf3 Nxf3 27. Qg4 Nh4 28. h3 Qxg2+ 29. Qxg2 Bxg2+ 30. Kh2 Be5+ 31. Kg1 Rxd1+ 32. Kf2 Rad8 33. c5 Rf1+ 34. Ke3 Nf5+ 35. Ke2 Rdd1 36. c6 Bf3# 0-1

[Event "EU-ch U10 Girls 18th"]
[Site "Herceg Novi"]
[Date "2008.09.18"]
[Round "4"]
[White "Garcia Porlan, Beatriz"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "89"]
[EventDate "2008.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MNE"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bd3 Bxd3 7. Qxd3 e6 8. 0-0 Nbd7 9. Qb5 Qxb5 10. Nxb5 Rc8 11. Nxa7 Rd8 12. Nb5 Rc8 13. Bf4 c6 14. Nd6+ Bxd6 15. Bxd6 Rd8 16. c3 Nb6 17. Bc7 Nbd5 18. Bxd8 Kxd8 19. Ne5 Ke7 20. Rfe1 Rd8 21. Nc4 b5 22. Ne5 Nf4 23. Nxc6+ Ke8 24. Nxd8 Kxd8 25. Re5 N4d5 26. a4 bxa4 27. Rxa4 Nd7 28. Rxd5 exd5 29. Ra7 Kc8 30. b4 Nb6 31. Rxf7 Na4 32. b5 Nxc3 33. b6 Nb5 34. b7+ Kb8 35. Rd7 Nxd4 36. Rxd5 Nc6 37. Rd7 g6 38. Rxh7 Ne5 39. Rg7 Ka7 40. f4 Nd3 41. g3 Nc5 42. Rxg6 Kxb7 43. h4 Nd7 44. Rg7 Kc6 45. h5 1-0

[Event "EU-ch U10 Girls 18th"]
[Site "Herceg Novi"]
[Date "2008.09.16"]
[Round "2"]
[White "Van der Werff, Silvia"]
[Black "Firidunlu, Lala Kazim Qizi"]
[Result "0-1"]
[ECO "B45"]
[PlyCount "68"]
[EventDate "2008.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MNE"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Bb4 6. Bc4 Nf6 7. 0-0 Ne5 8. Bb3 Bxc3 9. bxc3 Qa5 10. Re1 Qxc3 11. Bf4 Qc5 12. Rb1 Nc6 13. Nxc6 dxc6 14. Qd2 Qh5 15. Rbd1 0-0 16. e5 Nd5 17. c4 Nxf4 18. Qxf4 b6 19. Qe4 Bb7 20. Re3 Qg6 21. Qf4 Rad8 22. Rg3 Rxd1+ 23. Bxd1 Rd8 24. h3 Rxd1+ 25. Kh2 Qb1 26. Rf3 Rh1+ 27. Kg3 Qg6+ 28. Kh4 c5 29. Rg3 Qe4 30. Qxe4 Bxe4 31. Rg4 Bf5 32. Rf4 h6 33. g4 g5+ 34. Kh5 Rxh3# 0-1

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2008.05.03"]
[Round "7"]
[White "Van der Werff, Silvia"]
[Black "De Ridder, Naomi"]
[Result "0-1"]
[ECO "C58"]
[WhiteElo "942"]
[BlackElo "1123"]
[PlyCount "102"]
[EventDate "2008.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Be2 Nxd5 7. d3 f6 8. Nf3 Nc6 9. d4 Bg4 10. dxe5 fxe5 11. Nc3 Bb4 12. 0-0 Nxc3 13. bxc3 Bxc3 14. Rb1 0-0 15. Qxd8 Nxd8 16. Rb3 Ba5 17. h3 Bh5 18. Bc4+ Bf7 19. Bxf7+ Nxf7 20. Rxb7 Bb6 21. Be3 Nd6 22. Rxb6 axb6 23. Nxe5 Rxa2 24. c3 Ra3 25. c4 Re8 26. Bd4 c5 27. Bb2 Ra2 28. Rb1 Ra4 29. Nd7 Nxc4 30. Bc3 Ra3 31. Bb2 Rb3 32. Rc1 Nxb2 33. Rb1 Rd8 34. Ne5 Rd1+ 35. Rxd1 Nxd1 36. Kf1 Rb1 37. Ke2 Nc3+ 38. Kd2 Ne4+ 39. Ke3 Re1+ 40. Kf4 Nxf2 41. Nd7 Nd3+ 42. Kg3 b5 43. h4 b4 44. Kf3 b3 45. g4 b2 46. h5 b1Q 47. g5 Qd1+ 48. Kg3 Rg1+ 49. Kh2 Qg4 50. Nf6+ gxf6 51. g6 Qg2# 0-1

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2008.05.03"]
[Round "8"]
[White "Van der Wouden, Lotte"]
[Black "Van der Werff, Silvia"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "935"]
[BlackElo "942"]
[PlyCount "64"]
[EventDate "2008.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. Bc4 Bf5 6. 0-0 e6 7. d3 Nbd7 8. Bd2 Qb6 9. Be3 c5 10. d4 Qc7 11. Nb5 Qc8 12. h3 Be7 13. Nc3 0-0 14. d5 Rd8 15. Qc1 e5 16. Nh4 Nb6 17. Rd1 Nxc4 18. Bg5 Nb6 19. Re1 h6 20. Bxh6 g6 21. Bg5 Bxh3 22. d6 Rxd6 23. Rxe5 Bd8 24. Qe3 Nc4 25. Re8+ Nxe8 26. Qxe8+ Kh7 27. Qxf7+ Kh8 28. Nxg6+ Rxg6 29. Qxg6 Bxg5 30. Re1 Bxg2 31. Rd1 Qh3 32. f3 Be3# 0-1

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2008.05.03"]
[Round "9"]
[White "Vlaming, Halana"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1134"]
[BlackElo "942"]
[PlyCount "95"]
[EventDate "2008.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 d5 2. e5 Nc6 3. Nf3 Bg4 4. Bb5 Bxf3 5. Qxf3 e6 6. Bxc6+ bxc6 7. Nc3 f6 8. exf6 Nxf6 9. d3 Bd6 10. Bg5 Be7 11. Qe2 Qd7 12. 0-0 0-0 13. Rae1 h6 14. Bh4 Bd6 15. Qxe6+ Qxe6 16. Rxe6 Ng4 17. Bg3 Bxg3 18. fxg3 Rxf1+ 19. Kxf1 Rf8+ 20. Ke1 Nxh2 21. Rxc6 Re8+ 22. Kf2 Ng4+ 23. Kf1 Rf8+ 24. Ke1 Re8+ 25. Kd2 Re7 26. Nxd5 Rf7 27. Rxc7 Rf2+ 28. Kc3 Rxg2 29. Rxa7 Rxg3 30. Ne7+ Kh7 31. b4 Rf3 32. b5 Rf8 33. b6 Rb8 34. b7 Ne5 35. Kd4 Nd7 36. Nc6 Rxb7 37. Rxb7 h5 38. Rxd7 h4 39. Re7 h3 40. Re2 g5 41. Rh2 g4 42. Ne5 g3 43. Rxh3+ Kg7 44. Rxg3+ Kf6 45. a4 Ke6 46. a5 Kd6 47. Rg1 Kc7 48. Rb1 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2008.05.02"]
[Round "4"]
[White "Cox, Maud"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "998"]
[BlackElo "942"]
[PlyCount "125"]
[EventDate "2008.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. d4 Bf5 6. Ng5 Nbd7 7. Bd2 Qb6 8. Bc4 e6 9. 0-0 Qxd4 10. Bb3 Bd6 11. Re1 0-0 12. h3 h6 13. Nf3 Qb6 14. Be3 Nc5 15. Na4 Qc6 16. Nd4 Qd7 17. Nxc5 Bxc5 18. Nxf5 Qxd1 19. Raxd1 Bxe3 20. Nxe3 c5 21. f4 b5 22. c4 b4 23. f5 e5 24. Nd5 Nxd5 25. Rxd5 f6 26. Rxc5 a5 27. Rd5 a4 28. Bc2 Rfc8 29. b3 axb3 30. Bxb3 Kf8 31. Rc1 Ke7 32. c5 Ra6 33. Bc4 Ra7 34. Bb5 Rb8 35. a4 Rc7 36. Rcd1 b3 37. Rd7+ Rxd7 38. Rxd7+ Kf8 39. Bd3 b2 40. Bb1 Rc8 41. Rd5 Ke7 42. a5 Ra8 43. c6 Rc8 44. Rd7+ Ke8 45. Rd6 Ke7 46. Re6+ Kd8 47. a6 Ra8 48. Bd3 Rxa6 49. c7+ Kxc7 50. Rxa6 Kb7 51. Ra5 Kb6 52. Rb5+ Kc6 53. Rxb2 Kc5 54. Rb7 Kd4 55. Rd7+ Ke3 56. Bc2 Kf4 57. Rxg7 Ke3 58. Rg6 Kf4 59. Rxf6 Kg5 60. Rg6+ Kh5 61. f6 Kh4 62. Rg4+ Kh5 63. Bg6# 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2008.05.02"]
[Round "6"]
[White "Klopstra, Frederieke"]
[Black "Van der Werff, Silvia"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "917"]
[BlackElo "942"]
[PlyCount "71"]
[EventDate "2008.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. b3 Nf6 5. Bb2 Bf5 6. Nf3 Nbd7 7. Be2 e5 8. d3 Be7 9. 0-0 0-0 10. d4 Rad8 11. Qc1 Rfe8 12. Nd1 Ne4 13. Bd3 Bg6 14. Bxe4 Bxe4 15. Qd2 Qb5 16. Ng5 Bc6 17. Qe3 Qd5 18. Nf3 h6 19. dxe5 Bg5 20. Qd4 Qe6 21. Nxg5 hxg5 22. Re1 f6 23. f4 b6 24. Nf2 Qf7 25. exf6 gxf6 26. fxg5 Qg6 27. Rxe8+ Rxe8 28. h4 Ne5 29. Ng4 Qxc2 30. Ne3 Qe2 31. Nd5 Rd8 32. Nxf6+ Kf7 33. Nd5 Bxd5 34. Qf4+ Kg8 35. Qg3 Qxb2 36. Rf1 1/2-1/2

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2008.05.02"]
[Round "5"]
[White "Van der Werff, Silvia"]
[Black "Hondelink, Ida"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "942"]
[BlackElo "777"]
[PlyCount "79"]
[EventDate "2008.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e6 5. Bd2 Qf5 6. Bd3 Qf6 7. Nf3 Nc6 8. Nb5 Bd6 9. Nxd6+ cxd6 10. Bg5 Qxg5 11. Nxg5 h6 12. Nf3 Nf6 13. 0-0 Bd7 14. Re1 0-0-0 15. a4 Nb4 16. c4 d5 17. cxd5 Nbxd5 18. Qc2+ Kb8 19. a5 Rc8 20. Qb3 Rc7 21. Rec1 Rhc8 22. Rxc7 Nxc7 23. a6 Bc6 24. Ne5 Bd5 25. Bc4 Nxa6 26. Bxd5 exd5 27. g3 Ne4 28. Rxa6 Rc1+ 29. Kg2 b6 30. Nd7+ Kb7 31. Ra5 Rc4 32. Rxd5 Nd2 33. Qd3 Rc7 34. Qxd2 Kc6 35. Rf5 Rxd7 36. Qc3+ Kb7 37. b4 Rd8 38. b5 Ka8 39. Rxf7 Kb8 40. Qc7+ 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2008.05.01"]
[Round "1"]
[White "Sekandar, Nilofar"]
[Black "Van der Werff, Silvia"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1312"]
[BlackElo "942"]
[PlyCount "69"]
[EventDate "2008.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d3 Nf6 5. Bd2 Qb6 6. Rb1 Bf5 7. Be2 e6 8. Nf3 Nbd7 9. Nh4 Bg6 10. Nxg6 hxg6 11. Be3 Qc6 12. Bf3 Qa6 13. d4 0-0-0 14. Be2 Qc6 15. 0-0 Bd6 16. h3 Be7 17. Nb5 a6 18. Na7+ Kb8 19. Nxc6+ bxc6 20. Bxa6 e5 21. Re1 exd4 22. Bxd4 Bc5 23. Bxf6 Nxf6 24. Qf3 Nd5 25. Rf1 Ka7 26. Bc4 Rd6 27. Bxd5 cxd5 28. b4 Bb6 29. a4 c5 30. Qxf7+ Ka8 31. a5 cxb4 32. axb6 Rxb6 33. Qc7 Rhb8 34. Ra1+ Ra6 35. Rxa6# 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2008.05.01"]
[Round "2"]
[White "Van der Werff, Silvia"]
[Black "Hamelink, Veronique"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "942"]
[BlackElo "748"]
[PlyCount "89"]
[EventDate "2008.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Bc5 5. Bxc6 dxc6 6. Nxe5 0-0 7. Nf3 Ng4 8. 0-0 Bd6 9. h3 Nf6 10. d4 b6 11. Bg5 c5 12. Nd5 Be7 13. Nxf6+ Bxf6 14. Be3 c4 15. c3 Qe7 16. Re1 Bb7 17. e5 Bh4 18. Bf4 Bxf3 19. Qxf3 Bg5 20. Qg3 Bh4 21. Qg4 g5 22. Bg3 c5 23. Bxh4 f5 24. Qxg5+ Qxg5 25. Bxg5 Rad8 26. Bxd8 Rxd8 27. dxc5 bxc5 28. Rad1 Rf8 29. e6 Re8 30. e7 Kf7 31. Rd8 a5 32. Rxe8 Kxe8 33. g4 fxg4 34. hxg4 a4 35. f4 a3 36. bxa3 h6 37. f5 h5 38. f6 hxg4 39. f7+ Kxf7 40. e8Q+ Kf6 41. Rf1+ Kg5 42. Qg8+ Kh4 43. Rf4 Kh5 44. Rxg4 Kh6 45. Rh4# 1-0

[Event "NED-ch U13 Girls"]
[Site "Rijswijk"]
[Date "2008.05.01"]
[Round "3"]
[White "Van der Werff, Silvia"]
[Black "Ratsma, Rosa"]
[Result "0-1"]
[ECO "B87"]
[WhiteElo "942"]
[BlackElo "1313"]
[PlyCount "64"]
[EventDate "2008.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 b5 7. Bb3 Bb7 8. f3 Nbd7 9. Be3 e6 10. 0-0 Be7 11. a4 b4 12. Nce2 a5 13. Ng3 Nc5 14. Re1 0-0 15. c3 bxc3 16. bxc3 Rc8 17. Bc2 Qd7 18. f4 Nfxe4 19. Nge2 Bf6 20. Rf1 Ba6 21. Rb1 Bxe2 22. Qxe2 Nxc3 23. Qh5 g6 24. Qg4 Nxb1 25. Bxb1 e5 26. fxe5 Qxg4 27. exf6 Rfe8 28. h3 Qd7 29. h4 Rxe3 30. h5 Qg4 31. Rd1 Qxd1+ 32. Kf2 Qe1# 0-1

[Event "NED-ch U11 Girls"]
[Site "Waalwijk"]
[Date "2008.03.22"]
[Round "8"]
[White "Keetman, Maaike"]
[Black "Van der Werff, Silvia"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "62"]
[EventDate "2008.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d5 2. Nf3 dxe4 3. Ng5 Be6 4. Nxe4 Nf6 5. Nbc3 Nc6 6. Bb5 Bd7 7. Bxc6 Bxc6 8. d3 h6 9. Be3 e5 10. 0-0 Be7 11. Nxf6+ Bxf6 12. Qg4 Bd7 13. Qf3 0-0 14. Qxb7 Re8 15. Qe4 Rb8 16. b3 Bg5 17. Bxa7 Ra8 18. Be3 Ra6 19. Nd5 Rg6 20. g3 Bc6 21. Ne7+ Qxe7 22. Qxc6 Rxc6 23. Rfe1 Bxe3 24. Rxe3 Rxc2 25. d4 Qd6 26. dxe5 Rxe5 27. Rae1 Rxe3 28. Rxe3 Qc6 29. f3 Qc5 30. Kf1 Qxe3 31. h4 Qf2# 0-1

[Event "NED-ch U11 Girls"]
[Site "Waalwijk"]
[Date "2008.03.22"]
[Round "7"]
[White "Van den Broek, Amber"]
[Black "Van der Werff, Silvia"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "51"]
[EventDate "2008.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Bf5 5. d3 e5 6. Bd2 Qb6 7. Nf3 Nd7 8. Nd5 Qc6 9. 0-0 Ngf6 10. Nxf6+ Nxf6 11. Nxe5 Qb6 12. Bxf7+ Kd8 13. Nc4 Qc5 14. Re1 Bd6 15. Nxd6 Qxd6 16. Qf3 Bg6 17. Bf4 Qb4 18. Bd5 Bh5 19. Qg3 Nxd5 20. Re4 Qxb2 21. Rae1 Re8 22. c4 Rxe4 23. dxe4 Qb4 24. f3 Nxf4 25. Rd1+ Ke8 26. Qxf4 1/2-1/2

[Event "NED-ch U11 Girls"]
[Site "Waalwijk"]
[Date "2008.03.22"]
[Round "9"]
[White "Van der Werff, Silvia"]
[Black "Berenpas, Lilian"]
[Result "1-0"]
[ECO "C57"]
[PlyCount "57"]
[EventDate "2008.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Qe7 5. Nxf7 Rg8 6. Ng5 d6 7. Bxg8 Bd7 8. Bc4 0-0-0 9. Nc3 g6 10. h3 Bh6 11. Nf3 b6 12. d3 Bg7 13. Bg5 Rf8 14. Nd5 Qd8 15. 0-0 h6 16. Be3 g5 17. a4 a5 18. c3 Be6 19. Nxb6+ cxb6 20. Bxe6+ Kb8 21. Rb1 Re8 22. Bd5 Nxd5 23. exd5 Ne7 24. b4 axb4 25. Rxb4 Qc8 26. Rxb6+ Ka8 27. Qb1 Qb8 28. Ra6+ Qa7 29. Rxa7# 1-0

[Event "NED-ch U11 Girls"]
[Site "Waalwijk"]
[Date "2008.03.22"]
[Round "6"]
[White "Van der Werff, Silvia"]
[Black "Kazarian, Anna Maja"]
[Result "1-0"]
[ECO "B77"]
[PlyCount "88"]
[EventDate "2008.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 5. Bc4 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. f3 Nc6 9. Qd2 Re8 10. 0-0-0 Bd7 11. g4 Rc8 12. Bb3 a5 13. h4 Nxd4 14. Bxd4 Bc6 15. h5 b5 16. hxg6 e6 17. gxf7+ Kxf7 18. g5 a4 19. gxf6 axb3 20. fxg7 bxa2 21. Nxa2 Ra8 22. Qf4+ Kg8 23. Nb4 Ra1+ 24. Kd2 Rxd1+ 25. Kxd1 e5 26. Qh6 exd4 27. Nxc6 Qc8 28. Qxh7+ Kf7 29. Nxd4 Rg8 30. Nf5 Qe6 31. Qh5+ Kf6 32. Qh6+ Kf7 33. Nxd6+ Ke7 34. Qg5+ Kd7 35. Rh6 Qa2 36. Qf5+ Kc7 37. Nxb5+ Kb8 38. Rh8 Qa1+ 39. Kd2 Qa5+ 40. c3 Qd8+ 41. Nd4 Rxh8 42. gxh8Q Qxh8 43. b4 Qh6+ 44. Kd3 Qc1 1-0

[Event "NED-ch U11 Girls"]
[Site "Waalwijk"]
[Date "2008.03.21"]
[Round "2"]
[White "Nurmohamed, Charlotte"]
[Black "Van der Werff, Silvia"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "30"]
[EventDate "2008.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 e5 4. Nc3 Qd6 5. Nb5 Qd8 6. Nf3 Nc6 7. Bg5 Nf6 8. Bxf6 Qxf6 9. Nxc7+ Kd8 10. Nxa8 exd4 11. Nxd4 Nxd4 12. Qd2 Bc5 13. Qa5+ b6 14. Qxa7 Qe6+ 15. Be2 Qxe2# 0-1

[Event "NED-ch U11 Girls"]
[Site "Waalwijk"]
[Date "2008.03.21"]
[Round "5"]
[White "Van Lit, Asa"]
[Black "Van der Werff, Silvia"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "44"]
[EventDate "2008.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Bf5 5. Nf3 Nf6 6. Bf4 Nbd7 7. Nh4 Bg6 8. Nxg6 hxg6 9. h3 0-0-0 10. Qd3 e6 11. Qg3 Ne4 12. Qd3 Ndc5 13. Qc4 Nd7 14. Be3 e5 15. f3 Nb6 16. Qd3 Ng3 17. Rg1 exd4 18. Bxd4 Bc5 19. 0-0-0 Rxd4 20. Qb5 Rxd1+ 21. Kxd1 Qxb5 22. Bxb5 Bxg1 0-1

[Event "NED-ch U11 Girls"]
[Site "Waalwijk"]
[Date "2008.03.21"]
[Round "3"]
[White "Van der Werff, Silvia"]
[Black "Hondelink, Ida"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "129"]
[EventDate "2008.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bd2 c6 6. Ne4 Qd5 7. Nxf6+ gxf6 8. Nf3 Bg4 9. Be2 Bxf3 10. Bxf3 Qxd4 11. 0-0 Qxb2 12. Re1 Nd7 13. Bg4 0-0-0 14. Re3 Rg8 15. Rb3 Qe5 16. Rab1 b6 17. g3 e6 18. Bf4 Nc5 19. Qf3 Qd5 20. Ra3 f5 21. Qxd5 Rxd5 22. Bf3 Ne4 23. Rxa7 Rd7 24. Ra6 Bc5 25. Be3 Bxe3 26. fxe3 b5 27. Rxc6+ Rc7 28. Ra6 Rg7 29. Rxb5 Rxc2 30. Ra8+ Kd7 31. Rb7+ Kc6 32. Rba7 h6 33. Ra6+ Kc5 34. Rc8+ Kb5 35. Rca8 Nxg3 36. a4+ Kb4 37. Rb8+ Ka3 38. Bd1 Ne4+ 39. Kf1 Nd2+ 40. Ke2 Rg2+ 41. Kd3 e5 42. Bxc2 e4+ 43. Kd4 Nf3+ 44. Kd5 Rd2+ 45. Kc6 Rxc2+ 46. Kd7 Ne5+ 47. Ke7 Rc7+ 48. Kf6 Nd7+ 49. Kxf5 Nxb8 50. Rb6 Nd7 51. Rd6 Nc5 52. a5 Ra7 53. Rd1 Rxa5 54. Ra1+ Kb4 55. Rb1+ Ka4 56. Ra1+ Kb5 57. Rb1+ Ka6 58. Rg1 Nd3+ 59. Kxe4 Nf2+ 60. Kf3 Nh3 61. Rf1 Ra2 62. Kg3 Ng1 63. Rxf7 Ra3 64. Rf6+ Kb5 65. Rf5+ 1/2-1/2

[Event "NED-ch U11 Girls"]
[Site "Waalwijk"]
[Date "2008.03.21"]
[Round "1"]
[White "Van der Werff, Silvia"]
[Black "Meng, Olivia"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "108"]
[EventDate "2008.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bc4 Nf6 5. d3 d6 6. Bg5 h6 7. Be3 Bb6 8. Bxb6 axb6 9. 0-0 Bg4 10. h3 Bh5 11. d4 Nxd4 12. g4 Nxf3+ 13. Qxf3 Bg6 14. Rad1 0-0 15. h4 h5 16. g5 Nd7 17. Qg3 Nc5 18. f4 Nxe4 19. Nxe4 Bxe4 20. f5 g6 21. fxg6 Bxg6 22. Rf6 Kh7 23. Bd3 Rxa2 24. Bxg6+ fxg6 25. Re6 Qd7 26. Rf6 Qg7 27. Rdf1 Rxf6 28. gxf6 Qf7 29. Qb3 Qxb3 30. cxb3 Kg8 31. Kg2 Rxb2+ 32. Kf3 Kf7 33. Ke4 Ra2 34. Kd5 Ra8 35. Rc1 Kxf6 36. Rxc7 Re8 37. Ke4 Rb8 38. Rd7 Ke6 39. Rc7 d5+ 40. Kd3 e4+ 41. Kd4 Kd6 42. Rg7 Re8 43. Rxg6+ Re6 44. Rg5 e3 45. Rg1 e2 46. Re1 Kc6 47. Kd3 Kb5 48. Rxe2 Rxe2 49. Kxe2 Kb4 50. Kd3 Kxb3 51. Kd4 b5 52. Kxd5 b4 53. Kd4 Kc2 54. Kc4 b3 0-1

[Event "NED-ch U11 Girls"]
[Site "Waalwijk"]
[Date "2008.03.21"]
[Round "4"]
[White "Van der Werff, Silvia"]
[Black "Naber, Quirine"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "76"]
[EventDate "2008.03.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 h6 5. Be3 Bb6 6. Nc3 Nd4 7. Nxe5 Ne6 8. Qg4 Qf6 9. Qg3 d6 10. Ng4 Qg6 11. Bxb6 axb6 12. Bxe6 Bxe6 13. h3 h5 14. Ne3 Qxg3 15. fxg3 Nf6 16. Nb5 0-0 17. 0-0-0 Rxa2 18. Kb1 Rfa8 19. c3 Bb3 20. Na3 b5 21. Rde1 c5 22. Kc1 b4 23. Nb1 Ra1 24. Kd2 bxc3+ 25. bxc3 R8a2+ 26. Kc1 Nd7 27. Rhf1 Ne5 28. Rd1 Bxd1 29. Rxd1 Kh7 30. Nc2 Nc6 31. Nxa1 Rxa1 32. Kb2 Ra6 33. Rf1 Rb6+ 34. Kc2 f6 35. g4 hxg4 36. hxg4 Kg6 37. Rf5 Ne7 38. Rf3 d5 1-0

[Event "Twente Young Master op-E"]
[Site "Twente"]
[Date "2007.08.10"]
[Round "4"]
[White "Eilers, Luuk"]
[Black "Van der Werff, Silvia"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1046"]
[BlackElo "894"]
[PlyCount "102"]
[EventDate "2007.08.08"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bc5 5. 0-0 0-0 6. d3 d6 7. Be3 Bxe3 8. fxe3 Bg4 9. Nd5 Re8 10. Nxf6+ Qxf6 11. h3 Bh5 12. g4 Bg6 13. Nh4 Qxh4 14. Rf3 Rad8 15. Qf1 Re7 16. Qf2 Qxf2+ 17. Rxf2 Na5 18. Bd5 c6 19. Bb3 Nxb3 20. axb3 a6 21. c4 d5 22. exd5 cxd5 23. c5 d4 24. e4 Rc8 25. Ra5 Re6 26. Rc2 f6 27. h4 b6 28. Rxa6 h6 29. h5 Bf7 30. b4 bxc5 31. Rxe6 Bxe6 32. Rxc5 Rxc5 33. bxc5 Kf8 34. b4 Ke8 35. b5 Kd8 36. b6 Kc8 37. c6 Bxg4 38. c7 Kb7 39. Kf2 Kxb6 40. Kg3 Bc8 41. Kh4 Kxc7 42. Kg3 Kd6 43. Kh4 g5+ 44. hxg6 Ke7 45. Kh5 f5 46. Kxh6 fxe4 47. g7 Be6 48. Kg5 exd3 49. g8Q Bxg8 50. Kf5 d2 51. Kg5 d1Q 0-1

[Event "Twente Young Master op-E"]
[Site "Twente"]
[Date "2007.08.08"]
[Round "1"]
[White "Van der Werff, Silvia"]
[Black "Mostertman, Olav"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "894"]
[BlackElo "1343"]
[PlyCount "64"]
[EventDate "2007.08.08"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. 0-0 0-0 8. Bf4 Nc6 9. Re1 Qb6 10. Be3 Qc7 11. h3 Ne5 12. Bd3 Nxd3 13. Qxd3 Bd7 14. Rad1 Rac8 15. f3 a6 16. Bf2 Nh5 17. Nd5 Qd8 18. Bh4 Nf6 19. Nc3 e6 20. e5 dxe5 21. Rxe5 Qc7 22. Bg3 Ne8 23. Rxe6 Qxg3 24. Re4 Rd8 25. Rg4 Bxg4 26. fxg4 Bxd4+ 27. Kh1 Qxd3 28. Rxd3 Bb6 29. Re3 Bxe3 30. b4 Bf4 31. a4 Be5 32. Ne4 Rd1# 0-1

