[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.09"]
[Round "9"]
[White "Hijweegen, Claudia"]
[Black "Bosschem, Tim"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "44"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. d3 Be7 5. Bg5 dxc4 6. Qa4+ c6 7. Qxc4 Be6 8. Qc2 Nbd7 9. Nf3 0-0 10. 0-0 h6 11. Bxf6 Bxf6 12. Nc3 g6 13. b3 Bg7 14. Rab1 Rc8 15. Ne4 Qe7 16. Rfe1 c5 17. Nc3 f5 18. Nh4 Qf7 19. Bxb7 Rb8 20. Bg2 g5 21. Nf3 g4 22. Nd2 h5 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.08"]
[Round "7"]
[White "Hijweegen, Claudia"]
[Black "Gerssen, Jeanet"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "19"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 Nc6 3. e3 Bf5 4. c3 Nf6 5. Bb5 Qd7 6. Nf3 Bg4 7. Nbd2 h6 8. Bh4 g5 9. Qa4 Qd6 10. Bg3 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.08"]
[Round "8"]
[White "Huebner, Werner"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "85"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Bd3 Bd7 6. Nf3 Nc6 7. 0-0 cxd4 8. cxd4 Nb4 9. Nc3 Nxd3 10. Qxd3 Bb4 11. Bg5 Rc8 12. Rac1 Bxc3 13. Rxc3 Qxb2 14. Rxc8+ Bxc8 15. Rc1 Bd7 16. Rb1 Qxa2 17. Rxb7 f6 18. exf6 gxf6 19. Bh4 Ke7 20. Ne5 Qa1+ 21. Qb1 Qxb1+ 22. Rxb1 Nh6 23. Rb7 Rc8 24. h3 Rd8 25. Nc6+ Ke8 26. Nxd8 Kxd8 27. Bxf6+ Kc8 28. Rxa7 Nf5 29. Ra8+ Kb7 30. Rh8 h6 31. g4 Nd6 32. Rxh6 Kc6 33. h4 Kb5 34. Rh7 Bc8 35. g5 Kc4 36. g6 Ne4 37. Rc7+ Kd3 38. Be5 Nd2 39. g7 Nf3+ 40. Kf1 Ba6 41. g8Q Kd2+ 42. Kg2 Nxh4+ 43. Kh3 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.07"]
[Round "6"]
[White "Stotyn, Fabian"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "C05"]
[PlyCount "45"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 f6 9. Bd3 Bb4+ 10. Bd2 Qb6 11. Ne2 0-0 12. Bxb4 Qxb4+ 13. Qd2 Nb6 14. 0-0 fxe5 15. dxe5 g5 16. Qc2 gxf4 17. Bxh7+ Kh8 18. Qg6 Qxb2 19. Qh6 Rf7 20. Nxf4 Rxf4 21. Bg6+ Kg8 22. Qh7+ Kf8 23. Qh8+ 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.06"]
[Round "5"]
[White "Hijweegen, Claudia"]
[Black "Van der Molen, Jarich"]
[Result "1/2-1/2"]
[ECO "B26"]
[PlyCount "50"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 e6 6. d3 Nge7 7. Be3 Nd4 8. Qd2 d6 9. 0-0 0-0 10. f4 Rb8 11. Bxd4 cxd4 12. Nd1 b6 13. Qb4 Nc6 14. Qa4 b5 15. Qb3 Qc7 16. c3 dxc3 17. Ndxc3 Qb6+ 18. Kh1 Nd4 19. Nxd4 Bxd4 20. Ne2 Bg7 21. Rac1 Bb7 22. Rc2 Rbc8 23. Rfc1 Rxc2 24. Rxc2 Qf2 25. Ng1 Qb6 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.06"]
[Round "4"]
[White "Koffeman, Timotheus"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "B84"]
[PlyCount "49"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. f4 d6 3. Nf3 Nc6 4. Be2 Qc7 5. 0-0 Nf6 6. Nc3 e6 7. Kh1 a6 8. d4 cxd4 9. Nxd4 Bd7 10. Bf3 Rc8 11. f5 Nxd4 12. Qxd4 e5 13. Qf2 b5 14. a3 Bc6 15. Bg5 Nd7 16. Rad1 Be7 17. Bxe7 Kxe7 18. Rd2 Nb6 19. f6+ gxf6 20. Bg4 Rcg8 21. Qxf6+ Kf8 22. Rxd6 Qe7 23. Rxc6 Qxf6 24. Rcxf6 Rxg4 25. Rxb6 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.05"]
[Round "2"]
[White "Hijweegen, Claudia"]
[Black "Slobbe, Arthur"]
[Result "1-0"]
[ECO "B25"]
[PlyCount "89"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 d6 6. d3 Nf6 7. Bd2 0-0 8. Qc1 Qb6 9. Rb1 e5 10. f3 Be6 11. Bh6 Bxh6 12. Qxh6 Nd4 13. h4 Nxc2+ 14. Kd2 Nb4 15. h5 Qa6 16. Nc1 Rad8 17. a3 Nc6 18. Qg5 Ne8 19. Qh4 Rd7 20. f4 exf4 21. gxf4 Nd4 22. Qg5 f6 23. Qg3 Rg7 24. h6 Rgf7 25. f5 Bxf5 26. exf5 Nxf5 27. Qg4 Nc7 28. N1e2 Kh8 29. Qc4 Qxc4 30. dxc4 Re7 31. Bxb7 Re5 32. Bc6 Rf7 33. b4 Rfe7 34. bxc5 dxc5 35. Rb8+ Ne8 36. Nf4 Nd4 37. Ba4 Kg8 38. Ncd5 Nf3+ 39. Kd1 Kf7 40. Nxe7 Rxe7 41. Bxe8+ Rxe8 42. Rxe8 Kxe8 43. Nd5 f5 44. Nf6+ Kf7 45. Nxh7 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.05"]
[Round "3"]
[White "Vos, Jan Pieter"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "53"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Bd6 4. Ngf3 Nd7 5. g3 c6 6. Bg2 Ne7 7. c3 f5 8. Qe2 Qc7 9. 0-0 0-0 10. exd5 exd5 11. Ng5 Nf6 12. Ne6 Bxe6 13. Qxe6+ Kh8 14. Nf3 Qd7 15. Ng5 Rae8 16. Nf7+ Rxf7 17. Qxf7 Qc8 18. Bh6 Nh5 19. Qxh5 gxh6 20. Qxh6 Ng6 21. Rae1 f4 22. Bh3 Qb8 23. Bf5 Rg8 24. Re6 fxg3 25. hxg3 Bxg3 26. Re7 Bxf2+ 27. Kh1 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.04"]
[Round "1"]
[White "Rietman, Frits"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2200"]
[PlyCount "59"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 f6 9. Bd3 Be7 10. Ne2 0-0 11. 0-0 f5 12. Kh1 h6 13. Rg1 Nb6 14. g4 Kh8 15. gxf5 exf5 16. Qf1 Qe8 17. Qg2 Qf7 18. Bd2 Be6 19. Nc3 Rac8 20. Rad1 Rg8 21. Qh3 Nb4 22. Bb1 a6 23. Ng5 Bxg5 24. fxg5 Nc6 25. g6 Qf8 26. Bxh6 gxh6 27. g7+ Rxg7 28. Qxh6+ Rh7 29. Qxe6 Rh6 30. Rg8+ 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2003.08.04"]
[Round "1"]
[White "Sminia, Jelmer"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "C62"]
[PlyCount "81"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. d5 Nce7 6. Bd3 Nf6 7. Bg5 Nc8 8. Nbd2 Be7 9. 0-0 0-0 10. Nc4 Nb6 11. Nxb6 axb6 12. Bd2 Re8 13. h3 h6 14. c4 c6 15. a3 c5 16. Ne1 Nh7 17. Nc2 Bg5 18. f4 exf4 19. Bxf4 Bxf4 20. Rxf4 Re5 21. Ne1 Qe8 22. Nf3 Re7 23. Nh2 b5 24. Qc2 bxc4 25. Bxc4 Bb5 26. Re1 Bxc4 27. Qxc4 Ra4 28. b4 cxb4 29. axb4 Qa8 30. Ng4 Ra1 31. Rff1 Rxe1 32. Rxe1 Qe8 33. Qd4 Ng5 34. e5 f6 35. e6 f5 36. Ne3 g6 37. h4 Nh7 38. g4 fxg4 39. Nxg4 h5 40. Nh6+ Kf8 41. Qh8# 1-0

[Event "NED-ch U20 Girls"]
[Site "Schagen"]
[Date "2003.05.03"]
[Round "9"]
[White "Hijweegen, Claudia"]
[Black "Gerssen, Jeanet"]
[Result "1-0"]
[ECO "A20"]
[PlyCount "49"]
[EventDate "2003.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. e3 0-0 5. a3 Re8 6. b4 Be7 7. Ne2 c6 8. Nbc3 d6 9. Qc2 Be6 10. d3 d5 11. c5 d4 12. exd4 exd4 13. Na2 Bd5 14. 0-0 Bxg2 15. Kxg2 Na6 16. Bb2 Nc7 17. Nxd4 Ne6 18. Nxe6 fxe6 19. Qc4 Qd5+ 20. Qxd5 exd5 21. Rfe1 b6 22. cxb6 axb6 23. Re6 Rac8 24. Rc1 c5 25. Rxb6 1-0

[Event "NED-ch U20 Girls"]
[Site "Schagen"]
[Date "2003.05.02"]
[Round "8"]
[White "Volkers, Annemarie"]
[Black "Hijweegen, Claudia"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "66"]
[EventDate "2003.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Ne7 6. c4 c6 7. c5 Bc7 8. Qc2 g6 9. Bg5 Nd7 10. Bh6 Nf8 11. 0-0 Be6 12. Re1 Qd7 13. Nc3 0-0-0 14. b4 Bf5 15. Bg7 Rg8 16. Bf6 Bxd3 17. Qxd3 Ne6 18. a4 Nf4 19. Qf1 Rde8 20. Be5 Qg4 21. Bxc7 Kxc7 22. Ne5 Nh3+ 23. Kh1 Qxd4 24. gxh3 Qxc3 25. Rab1 Nf5 26. Ng4 Nh4 27. Ne3 d4 28. Rec1 Qa3 29. Qc4 dxe3 30. Qxh4 e2 31. Qf4+ Kc8 32. Re1 Qxh3 33. Rb2 Qf1+ 0-1

[Event "NED-ch U20 Girls"]
[Site "Schagen"]
[Date "2003.05.01"]
[Round "7"]
[White "Hijweegen, Claudia"]
[Black "Muhren, Bianca"]
[Result "0-1"]
[ECO "A24"]
[BlackElo "2092"]
[PlyCount "76"]
[EventDate "2003.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e3 c6 6. Nge2 d6 7. 0-0 e5 8. d3 Be6 9. Rb1 Qc8 10. Re1 h5 11. b4 d5 12. c5 Nbd7 13. d4 e4 14. a4 Nh7 15. Kh1 Ndf6 16. Ng1 Ng5 17. Qe2 h4 18. gxh4 Bg4 19. f3 exf3 20. Nxf3 Nge4 21. Bb2 Qf5 22. Qf1 Bxf3 23. Qxf3 Qxf3 24. Bxf3 Nd2 25. Bg2 Nxb1 26. Rxb1 Rfe8 27. Bc1 Ng4 28. Nd1 Bxd4 29. Rb3 Bf6 30. b5 Ne5 31. a5 a6 32. bxc6 bxc6 33. Rb6 Bd8 34. Rb7 Bxa5 35. Bb2 Nd3 36. Bc3 Bxc3 37. Nxc3 Nxc5 38. Rc7 Rxe3 0-1

[Event "NED-ch U20 Girls"]
[Site "Schagen"]
[Date "2003.04.30"]
[Round "6"]
[White "Van Weersel, Brigitta"]
[Black "Hijweegen, Claudia"]
[Result "0-1"]
[ECO "A80"]
[PlyCount "76"]
[EventDate "2003.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 f5 3. e3 Nf6 4. b3 d5 5. Bb2 Bd6 6. Nbd2 0-0 7. a3 Nbd7 8. b4 c6 9. c4 Qe8 10. c5 Bc7 11. Qc2 Ne4 12. a4 Ndf6 13. h3 Qg6 14. Nxe4 fxe4 15. Ng1 Nh5 16. Ne2 Qf6 17. Nc3 Qh4 18. Nd1 Bd7 19. Rg1 Rf7 20. Bc1 Raf8 21. Ra2 Bh2 22. Rh1 Bg3 23. Rg1 Be8 24. a5 Bh2 25. Rh1 Bg3 26. Rg1 g5 27. a6 Bh2 28. Rh1 Bg3 29. Rg1 g4 30. axb7 Rxb7 31. Rb2 Bh2 32. g3 Nxg3 33. Rg2 gxh3 34. Rxh2 Nxf1 35. Kxf1 Bh5 36. Bd2 Bf3 37. Be1 Rg7 38. Qa4 Qg4 0-1

[Event "NED-ch U20 Girls"]
[Site "Schagen"]
[Date "2003.04.29"]
[Round "5"]
[White "Hijweegen, Claudia"]
[Black "Bensdorp, Laura"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "2063"]
[PlyCount "180"]
[EventDate "2003.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 h6 3. Bh4 c6 4. c3 Bf5 5. e3 Qb6 6. Qb3 Nd7 7. f4 Ngf6 8. Be2 e6 9. Nd2 Be7 10. Bxf6 Nxf6 11. h3 Ne4 12. Nxe4 Bxe4 13. Nf3 g5 14. g4 gxf4 15. exf4 Bd6 16. Rg1 Bxf4 17. Kf2 0-0-0 18. Qxb6 axb6 19. a4 Kc7 20. a5 bxa5 21. Rxa5 Ra8 22. Raa1 f6 23. Nh4 Rhg8 24. Bf3 Bh7 25. Ng2 Bd6 26. Ne3 Kd7 27. Ke2 Kc7 28. Rgf1 Rxa1 29. Rxa1 f5 30. Kf2 Be7 31. Ng2 Bf6 32. Nf4 Kd6 33. Ra7 Bh4+ 34. Ke2 Rg7 35. Nd3 Kc7 36. Nc5 Kb8 37. Ra1 Re7 38. Nd3 Bf6 39. Ne5 Rg7 40. Kf2 c5 41. Ra3 Bxe5 42. dxe5 Rg5 43. h4 Rg7 44. Ra4 Rg8 45. Rf4 Kc7 46. gxf5 Bxf5 47. Bxd5 Rd8 48. Be4 Bxe4 49. Rxe4 Rd2+ 50. Ke3 Rxb2 51. Rg4 Kc6 52. Rg6 Kd5 53. Rxh6 Kxe5 54. Rh5+ Kd6 55. Rg5 Rh2 56. h5 b5 57. Kd3 Rh4 58. Kd2 e5 59. Rg6+ Kd5 60. Rb6 Rxh5 61. Rxb5 Kc4 62. Ra5 Kd5 63. Ke2 Rh2+ 64. Kd3 e4+ 65. Ke3 Rh3+ 66. Kd2 Rd3+ 67. Kc2 Kd6 68. Ra6+ Kd5 69. Ra5 Rf3 70. Ra8 Rf2+ 71. Kd1 Kc4 72. Rc8 Rf3 73. Kd2 Rd3+ 74. Ke2 Rxc3 75. Kd2 Rd3+ 76. Ke2 Rh3 77. Kd2 e3+ 78. Ke2 Kd4 79. Rd8+ Kc3 80. Rc8 c4 81. Rc7 Kb3 82. Rb7+ Kc2 83. Rc7 c3 84. Rc8 Kb2 85. Rb8+ Kc1 86. Rc8 c2 87. Rc7 Rh6 88. Rc8 Rb6 89. Kxe3 Kb1 90. Kd2 Rd6+ 0-1

[Event "NED-ch U20 Girls"]
[Site "Schagen"]
[Date "2003.04.28"]
[Round "4"]
[White "Greeuw, Sietske"]
[Black "Hijweegen, Claudia"]
[Result "0-1"]
[ECO "C06"]
[PlyCount "54"]
[EventDate "2003.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. Nf4 Nxd4 10. Qh5+ Ke7 11. Ng6+ hxg6 12. exf6+ Nxf6 13. Qxh8 Kf7 14. Qh4 e5 15. 0-0 Bf5 16. Qg3 Bd6 17. Kh1 e4 18. Qe3 Bxh2 19. Nxe4 dxe4 20. Bc4+ Ne6 21. Qb3 Qh8 22. Rd1 Bf4+ 23. Kg1 Qh2+ 24. Kf1 Qh1+ 25. Ke2 Bg4+ 26. f3 Qxg2+ 27. Ke1 Bg3# 0-1

[Event "NED-ch U20 Girls"]
[Site "Schagen"]
[Date "2003.04.27"]
[Round "3"]
[White "Hijweegen, Claudia"]
[Black "Visschedijk, Gillian"]
[Result "1/2-1/2"]
[ECO "A14"]
[PlyCount "42"]
[EventDate "2003.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. 0-0 0-0 6. cxd5 exd5 7. d4 Ne4 8. Nc3 c6 9. Ne5 Nxc3 10. bxc3 Nd7 11. Nxd7 Qxd7 12. Qc2 Bd6 13. e4 dxe4 14. Bxe4 Qh3 15. a4 Bc7 16. Ba3 Re8 17. Rae1 Be6 18. Bg2 Qh5 19. Qe2 Qg5 20. f4 Qd8 21. f5 Bd5 1/2-1/2

[Event "NED-ch U20 Girls"]
[Site "Schagen"]
[Date "2003.04.26"]
[Round "2"]
[White "Workum, Freija"]
[Black "Hijweegen, Claudia"]
[Result "0-1"]
[ECO "C15"]
[PlyCount "28"]
[EventDate "2003.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 Bb4 3. d4 d5 4. Bd3 c5 5. Bd2 cxd4 6. Nce2 Qb6 7. Nf3 dxe4 8. Bxe4 Nf6 9. Bd3 Nc6 10. 0-0 Bxd2 11. Qxd2 e5 12. Rfe1 0-0 13. Rab1 e4 14. Nfxd4 Nxd4 0-1

[Event "NED-ch U20 Girls"]
[Site "Schagen"]
[Date "2003.04.25"]
[Round "1"]
[White "Hijweegen, Claudia"]
[Black "Van Weersel, Arlette"]
[Result "0-1"]
[ECO "C59"]
[BlackElo "2096"]
[PlyCount "68"]
[EventDate "2003.04.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bd6 11. f4 0-0 12. 0-0 Bxe5 13. fxe5 Qd4+ 14. Kh1 Qxe5 15. d4 exd3 16. Qxd3 Bg4 17. Nc3 Rfd8 18. Qe3 Qxe3 19. Bxe3 Bxe2 20. Nxe2 Re8 21. Bd4 Rxe2 22. Bxf6 gxf6 23. Rxf6 Rxc2 24. b4 Nb7 25. Raf1 Nd8 26. Rxh6 Rxa2 27. h3 Kg7 28. Rd6 Rb2 29. Rf4 Rb8 30. Rfd4 Ne6 31. Rg4+ Kf8 32. Rd7 R8xb4 33. Rxb4 Rxb4 34. Rxa7 c5 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.10"]
[Round "9"]
[White "Hijweegen, Claudia"]
[Black "Terstall, Karel"]
[Result "1-0"]
[ECO "A26"]
[PlyCount "89"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 e5 5. e4 Nc6 6. Nge2 0-0 7. 0-0 d6 8. d3 Nd7 9. f4 exf4 10. Bxf4 Nd4 11. Qd2 Nc5 12. Rf2 Bg4 13. Nxd4 Bxd4 14. Be3 Bh8 15. Raf1 Be6 16. b3 Qd7 17. Bh6 Bd4 18. Be3 Bg7 19. d4 Na6 20. Bh6 Bh3 21. Nd5 Bxg2 22. Kxg2 Qe6 23. Bxg7 Kxg7 24. Rf4 c6 25. Rh4 h5 26. Nf6 Rh8 27. Qg5 Nc7 28. Nxh5+ Rxh5 29. Rxh5 Qxe4+ 30. Kh3 Qe6+ 31. g4 Rh8 32. Rxh8 Kxh8 33. Qf6+ Kg8 34. Qxe6 Nxe6 35. d5 Nd4 36. dxc6 bxc6 37. Rf6 Ne6 38. Rf1 Kf8 39. Kg3 Nd4 40. Rd1 c5 41. Kf4 Ke7 42. h4 Ne2+ 43. Ke3 Nd4 44. Rxd4 cxd4+ 45. Kxd4 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.09"]
[Round "8"]
[White "De Bode, Christian"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "A85"]
[PlyCount "109"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. e3 Bb4 5. a3 Bxc3+ 6. bxc3 b6 7. Qc2 Bb7 8. f3 0-0 9. Ne2 Nh5 10. Ng3 Qh4 11. Qf2 Nxg3 12. Qxg3 Qxg3+ 13. hxg3 Nc6 14. Bb2 Ba6 15. a4 Na5 16. Ba3 Rf7 17. c5 Bxf1 18. Rxf1 Nc4 19. cxb6 Nxe3 20. bxc7 Nc2+ 21. Kd2 Nxa3 22. Rxa3 Rc8 23. Rb3 Rxc7 24. Rfb1 Rf8 25. Rb7 Rfc8 26. R1b3 Kf7 27. c4 Kf6 28. c5 Kg5 29. a5 Kf6 30. a6 Ke7 31. Ke3 Kd8 32. Kf4 Rxb7 33. axb7 Rb8 34. Ke5 Kc7 35. d5 exd5 36. Kxd5 Rxb7 37. Ra3 Kb8 38. Kd6 Rb5 39. Re3 a5 40. Re8+ Ka7 41. Re7 Rb7 42. Rxg7 a4 43. Rxh7 a3 44. Rh1 a2 45. Ra1 Rb2 46. Kxd7 Rxg2 47. c6 Rd2+ 48. Kc7 Ka6 49. g4 fxg4 50. fxg4 Ka5 51. g5 Ka4 52. g6 Ka3 53. Kb7 Re2 54. c7 Re7 55. Kb8 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.09"]
[Round "7"]
[White "Hijweegen, Claudia"]
[Black "Boonstra, Jasper"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "39"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 e6 2. e3 Nf6 3. c3 b6 4. f4 Bb7 5. Nf3 d5 6. Bd3 Nbd7 7. 0-0 c5 8. Nbd2 Be7 9. Qe1 Ne4 10. Bxe4 dxe4 11. Ne5 Nf6 12. f5 exf5 13. Rxf5 Qc7 14. Qg3 g6 15. Rf1 Nh5 16. Qg4 f5 17. Qe2 Bd6 18. Rxf5 0-0-0 19. Rf7 Qb8 20. Qg4+ 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.08"]
[Round "6"]
[White "Witkamp, Jarno"]
[Black "Hijweegen, Claudia"]
[Result "0-1"]
[ECO "A10"]
[PlyCount "56"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. g3 f5 2. c4 Nf6 3. d3 e5 4. Bd2 c6 5. Bg2 Be7 6. Nf3 d6 7. 0-0 0-0 8. b4 Qe8 9. Qb3 Qh5 10. Nc3 Ng4 11. a4 e4 12. dxe4 fxe4 13. h3 Nf6 14. Ng5 h6 15. Ngxe4 Bxh3 16. Nxf6+ Rxf6 17. Ne4 Re6 18. Qf3 Bg4 19. Qb3 Bxe2 20. Rfe1 Bg4 21. Nxd6 Bxd6 22. c5 Qf7 23. Rxe6 Bxe6 24. Qe3 Bf8 25. Re1 Bd7 26. b5 a6 27. b6 a5 28. Qe5 Na6 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.07"]
[Round "5"]
[White "Hijweegen, Claudia"]
[Black "Porte, Henrik"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "56"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d6 3. f4 Nbd7 4. e3 b6 5. Nf3 Bb7 6. Bd3 g6 7. Nbd2 Bg7 8. c3 0-0 9. 0-0 c5 10. Qe1 Rc8 11. Qh4 Re8 12. f5 Nf8 13. Bh6 Bxh6 14. Qxh6 e5 15. fxg6 hxg6 16. Ng5 Rc7 17. Nde4 Bxe4 18. Bxe4 exd4 19. Rf4 Re5 20. Raf1 N8h7 21. Nxh7 Nxh7 22. Rh4 f5 23. Bc2 dxe3 24. Qxg6+ Rg7 25. Qh5 Qg5 26. Qxg5 Nxg5 27. Rxf5 Rxf5 28. Bxf5 Nf3+ 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.07"]
[Round "4"]
[White "Hijweegen, Claudia"]
[Black "Van Eerd, Marieke"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "31"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 f6 3. Bh4 Nc6 4. e3 Bf5 5. c3 Qd7 6. Nd2 0-0-0 7. Bb5 a6 8. Ba4 Qe6 9. b4 Bg4 10. Ngf3 Nh6 11. b5 axb5 12. Bxb5 Na5 13. Qa4 c6 14. Qxa5 Nf7 15. Bg3 Re8 16. Qc7# 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.06"]
[Round "3"]
[White "De Jong, Jasper"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "C18"]
[PlyCount "65"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 a5 9. Bb2 Nc6 10. Nf3 Bd7 11. Nfxd4 Nge7 12. Nxc7+ Qxc7 13. Nb5 Qb6 14. Nd6+ Kf8 15. b5 Qe3+ 16. Be2 Na7 17. Bd4 Qxf4 18. Rf1 Qh4+ 19. g3 Qxh2 20. Rxf7+ Kg8 21. Rxe7 Qxg3+ 22. Bf2 Qc3+ 23. Kf1 Rf8 24. Rxd7 Qxe5 25. Nf7 Qh2 26. Bxa7 Qh1+ 27. Bg1 Qh3+ 28. Ke1 Qc3+ 29. Kf2 Qf6+ 30. Kg2 Qg6+ 31. Kh1 Qe4+ 32. Bf3 Qh4+ 33. Bh2 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.06"]
[Round "2"]
[White "Hijweegen, Claudia"]
[Black "Van der Molen, Jarich"]
[Result "1/2-1/2"]
[ECO "A20"]
[PlyCount "57"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 Qc7 5. Nc3 d6 6. 0-0 Be6 7. d3 Nbd7 8. a3 Be7 9. b4 h6 10. b5 0-0 11. Ne1 d5 12. cxd5 cxd5 13. Bb2 Nb6 14. Rc1 Qd7 15. a4 Bh3 16. Nf3 Bxg2 17. Kxg2 Qe6 18. Qb3 Bd6 19. Rfd1 Nbd7 20. Qa2 Rfe8 21. Rc2 Rac8 22. Ba1 d4 23. Nb1 Qxa2 24. Rxa2 Bb4 25. Nbd2 Nd5 26. Nc4 N5b6 27. Nxb6 Nxb6 28. Rb1 Ba5 29. h3 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.05"]
[Round "1"]
[White "Heltzel, Joost"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2078"]
[PlyCount "61"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 Be7 3. Nf3 b6 4. g3 Bb7 5. Bg2 Nf6 6. d3 c5 7. 0-0 0-0 8. Nbd2 d5 9. e5 Nfd7 10. Re1 Nc6 11. Nf1 Qe8 12. h4 Nd8 13. N1h2 d4 14. c3 dxc3 15. bxc3 b5 16. Bg5 Nb6 17. c4 Bxg5 18. hxg5 bxc4 19. dxc4 Nc6 20. Ng4 Rd8 21. Rad1 Qe7 22. Nf6+ Kh8 23. Qe4 g6 24. Qh4 h5 25. g4 Kg7 26. gxh5 Rh8 27. h6+ Kf8 28. h7 Qc7 29. Qh6+ Ke7 30. Qg7 Qb8 31. Rxd8 1-0

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "2002.05.04"]
[Round "9.1"]
[White "Hijweegen, Claudia"]
[Black "Bensdorp, Marlies"]
[Result "1-0"]
[ECO "D00"]
[BlackElo "2117"]
[PlyCount "43"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 e6 2. e3 d5 3. c3 c5 4. Bd3 Nf6 5. f4 b6 6. Nf3 Ba6 7. Bxa6 Nxa6 8. Qa4+ Nd7 9. Qxa6 f6 10. Qe2 Qc7 11. Nbd2 Bd6 12. g3 0-0 13. 0-0 Rae8 14. Nh4 Rf7 15. Ndf3 Qd8 16. Bd2 Nf8 17. e4 e5 18. dxe5 fxe5 19. fxe5 Bxe5 20. Nxe5 Rxf1+ 21. Rxf1 Rxe5 22. Qf3 1-0

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "2002.05.03"]
[Round "7.5"]
[White "Hijweegen, Claudia"]
[Black "Hania, Renske"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "115"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e3 d5 4. Bd3 c5 5. c3 Nc6 6. Nd2 cxd4 7. exd4 Be7 8. f4 Qb6 9. Rb1 Bd7 10. Ngf3 h6 11. Bh4 Nh5 12. Bg3 Bd6 13. Ne5 Nxg3 14. hxg3 Bxe5 15. fxe5 0-0-0 16. Qg4 Rdg8 17. Rf1 f6 18. exf6 gxf6 19. Qh4 e5 20. Rxf6 exd4 21. cxd4 Rg4 22. Qh5 Re8+ 23. Kf1 Qxd4 24. Bf5 Qxf6 25. Qxe8+ Kc7 26. Qxd7+ Kb6 27. Qe6 Qf8 28. Nf3 Rxg3 29. Qxd5 Qg7 30. Qb3+ Kc7 31. Qc2 Qf7 32. b4 Qh5 33. b5 Rxf3+ 34. gxf3 Qh1+ 35. Ke2 Qg2+ 36. Kd1 Qxf3+ 37. Kc1 Qf1+ 38. Qd1 Qc4+ 39. Bc2 Nb4 40. Rxb4 Qxb4 41. Qd3 Qf4+ 42. Kb1 Qb4+ 43. Qb3 Qe1+ 44. Kb2 Qe5+ 45. Qc3+ Qxc3+ 46. Kxc3 Kd6 47. Kd4 b6 48. Be4 Ke6 49. Bd5+ Kd6 50. Bf3 Ke6 51. Ke4 Kd6 52. Kd4 Ke6 53. Bg4+ Kd6 54. a3 Kc7 55. Ke5 Kb7 56. Kd6 Kb8 57. Kc6 Ka8 58. Kc7 1-0

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "2002.05.03"]
[Round "8.5"]
[White "Van Zutphen, Amy"]
[Black "Hijweegen, Claudia"]
[Result "0-1"]
[ECO "C58"]
[PlyCount "36"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Ba4 h6 9. Nf3 e4 10. Ng1 Bc5 11. h3 Qd4 12. Bxc6+ Nxc6 13. Qe2 0-0 14. Nc3 Nb4 15. Nb5 Nxc2+ 16. Kd1 Qd3 17. Qxd3 exd3 18. Rb1 Ne4 0-1

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "2002.05.02"]
[Round "6.6"]
[White "Hagerop van Eijs, Isabelle"]
[Black "Hijweegen, Claudia"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "62"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 Bb4 3. d3 d5 4. Bd2 Ne7 5. a3 Ba5 6. Nf3 Bd7 7. Bg5 c5 8. Bd2 Nbc6 9. Qe2 0-0 10. g3 Rc8 11. Bg2 Nd4 12. Qd1 dxe4 13. Nxd4 cxd4 14. Nxe4 Bxd2+ 15. Nxd2 Qb6 16. b3 Bc6 17. Bxc6 Qxc6 18. 0-0 Qxc2 19. Nc4 Qxd1 20. Rfxd1 Rfd8 21. Re1 b5 22. Na5 Rc3 23. Red1 Nc6 24. Nxc6 Rxc6 25. a4 b4 26. Rac1 Rdc8 27. Rb1 Rc2 28. Kg2 Ra2 29. Rf1 Rd2 30. Rbc1 Rc3 31. Rb1 Rdxd3 0-1

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "2002.05.01"]
[Round "5.6"]
[White "Hijweegen, Claudia"]
[Black "Greeuw, Sietske"]
[Result "1/2-1/2"]
[ECO "A22"]
[PlyCount "45"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Be6 6. Qb3 Nb4 7. Qd1 c6 8. Nf3 Nd7 9. d3 Be7 10. 0-0 h6 11. Ne1 0-0 12. f4 Bc5+ 13. Kh1 Nf6 14. Ne4 Nxe4 15. Bxe4 f5 16. Bg2 exf4 17. Bxf4 Nd5 18. Nc2 Bd6 19. Bxd6 Qxd6 20. e4 Nc7 21. Qe2 fxe4 22. dxe4 Qc5 23. b3 1/2-1/2

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "2002.04.30"]
[Round "2.4"]
[White "Hijweegen, Claudia"]
[Black "Van Run, Rieke"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "96"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 c6 3. e3 Nf6 4. Bd3 e6 5. f4 Nbd7 6. Nf3 Be7 7. Nbd2 c5 8. c3 Qc7 9. Ne5 a6 10. g4 Ng8 11. Bxe7 Nxe7 12. g5 Nxe5 13. fxe5 Nf5 14. Bxf5 exf5 15. Nf3 Be6 16. Qc2 0-0-0 17. 0-0-0 Kb8 18. Kb1 g6 19. h4 h5 20. Qd2 Rd7 21. Rc1 Rc8 22. Rhe1 c4 23. Ng1 b5 24. Ne2 a5 25. Nf4 Qb6 26. Kc2 b4 27. Kd1 Rb7 28. Ke2 Ka7 29. Kf3 Rcb8 30. Re2 bxc3 31. bxc3 Qb2 32. Qxb2 Rxb2 33. Rcc2 Rb1 34. Nxe6 fxe6 35. Kf2 Rh1 36. Kg3 Rbb1 37. Rh2 Rxh2 38. Kxh2 Re1 39. Kg3 Rxe3+ 40. Kg2 Re1 41. Kf2 Rh1 42. Kg3 Rb1 43. Kf3 Kb6 44. a4 Ka7 45. Ra2 Rb3 46. Rc2 Ra3 47. Ke2 Rxa4 48. Kd2 Ra3 0-1

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "2002.04.30"]
[Round "3.6"]
[White "Van den Boom, Inge"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "53"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. c3 Nc6 6. Qc2 Nge7 7. Ne2 Be6 8. 0-0 Qd7 9. Bf4 0-0-0 10. b4 Bxf4 11. Nxf4 Bf5 12. Qa4 g5 13. Bxf5 Nxf5 14. Nd3 Nh4 15. f3 g4 16. Nc5 Qe8 17. b5 gxf3 18. Na3 Qe3+ 19. Rf2 Qxc3 20. Rd1 Na5 21. Nb1 Qe3 22. Qxa5 Kb8 23. Rd3 Qc1+ 24. Rf1 Qg5 25. g3 Rhg8 26. Ra3 a6 27. Nxa6+ 1-0

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "2002.04.29"]
[Round "1.2"]
[White "Wortel, Meike"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "C17"]
[PlyCount "77"]
[EventDate "2002.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Nc6 6. a3 Bxc3 7. Bxc3 Nge7 8. Qg4 cxd4 9. Bxd4 Nxd4 10. Qxd4 Bd7 11. 0-0-0 Ng6 12. Nf3 f5 13. Bd3 0-0 14. g4 Ne7 15. Rhg1 f4 16. g5 Qa5 17. Bf1 Rac8 18. Qd2 Qc5 19. Rg4 Be8 20. Bd3 Kh8 21. Rh4 g6 22. Rxf4 Bb5 23. Ne1 Nc6 24. Bxb5 Qxb5 25. Nd3 Qb6 26. Kb1 Na5 27. Qb4 Qxb4 28. axb4 Nc6 29. Rf6 Rce8 30. f4 b6 31. c3 Nd8 32. h4 Nc6 33. h5 Kg7 34. Rh1 Nd8 35. hxg6 hxg6 36. Rh6 Rxf6 37. exf6+ Kf7 38. Ne5+ Kf8 39. Rh8# 1-0

[Event "Vlissingen HZ op 05th"]
[Site "Vlissingen"]
[Date "2001.07.29"]
[Round "2"]
[White "Hagedorn, Volker"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "C15"]
[PlyCount "61"]
[EventDate "2001.07.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 083 Extra"]
[Source "ChessBase"]
[SourceDate "2001.09.11"]
[SourceVersion "1"]
[SourceVersionDate "2001.09.11"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd3 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Ng6 8. e5 Nc6 9. h4 f5 10. exf6 Qxf6 11. Bg5 Qf7 12. h5 Nge7 13. Bxe7 Nxe7 14. Bb5+ Bd7 15. Bxd7+ Kxd7 16. Nf3 Qf6 17. Ne5+ Ke8 18. Rh3 Qf5 19. Qxg7 Rg8 20. Qh6 Rxg2 21. Rf3 Rg1+ 22. Kd2 Qg5+ 23. Qxg5 Rxg5 24. Rf6 Rxh5 25. Rxe6 cxd4 26. Rg1 dxc3+ 27. Kd3 Rf5 28. Rg8+ Rf8 29. Rg7 Rxf2 30. Rexe7+ Kf8 31. Nd7# 1-0

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2001.06.09"]
[Round "2"]
[White "De Santos, A."]
[Black "Hijweegen, Claudia"]
[Result "0-1"]
[ECO "E20"]
[PlyCount "55"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 Bxc3 5. Bxc3 b6 6. Nf3 Bb7 7. g3 d6 8. Bg2 Nbd7 9. 0-0 Ne4 10. Qc2 f5 11. Rfd1 0-0 12. b3 Rb8 13. a4 Ndf6 14. a5 Ng4 15. Rf1 Qf6 16. h3 Nh6 17. e3 g5 18. Nd2 Nxc3 19. Qxc3 Bxg2 20. Kxg2 f4 21. exf4 gxf4 22. Qd3 Kh8 23. axb6 axb6 24. Ra7 Rf7 25. g4 Rg8 26. Nf3 Nxg4 27. hxg4 Rxg4+ 28. Kh1 0-1

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2001.06.08"]
[Round "1"]
[White "Hijweegen, Claudia"]
[Black "Lukacs, Andras"]
[Result "0-1"]
[ECO "A36"]
[PlyCount "83"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 c5 4. Nc3 Bg7 5. e4 d6 6. Nge2 Nc6 7. 0-0 0-0 8. a3 Bd7 9. Rb1 Rb8 10. b4 b6 11. d3 a6 12. Bd2 e6 13. Qc2 Qe7 14. Be3 Rfc8 15. b5 axb5 16. Nxb5 Ng4 17. Bf4 Nge5 18. Qd2 Na5 19. Nec3 Rd8 20. Na4 Bc6 21. Nbc3 Nd7 22. Nb5 Ne5 23. Nbc3 Qd7 24. Bxe5 dxe5 25. Nb2 Nb3 26. Qc2 Nd4 27. Qd2 Qa7 28. a4 Qd7 29. Rfe1 f5 30. Qd1 f4 31. Ne2 Rf8 32. Nxd4 Qxd4 33. g4 Rbd8 34. Qf3 Ra8 35. Qd1 Ra5 36. Qf3 Rfa8 37. h3 Bxa4 38. Nxa4 Rxa4 39. Rxb6 Qc3 40. Rbb1 Ra1 41. Rxa1 Rxa1 42. Kh2 0-1

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2001.??.??"]
[Round "4"]
[White "Auwens, Michiel"]
[Black "Hijweegen, Claudia"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "42"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Be3 Qb6 6. Qd2 cxd4 7. cxd4 Nge7 8. Nf3 Nf5 9. Bd3 Bd7 10. Bxf5 Bb4 11. Nc3 exf5 12. 0-0 Be6 13. a3 Be7 14. Rfb1 0-0 15. b4 Qd8 16. Ne2 Qe8 17. Ng3 f6 18. b5 Nd8 19. Qd3 fxe5 20. dxe5 f4 21. Nd4 fxe3 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "9"]
[White "Bax, Frank"]
[Black "Hijweegen, Claudia"]
[Result "0-1"]
[ECO "C06"]
[PlyCount "104"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Ndf3 Nc6 7. Bd3 Qb6 8. Ne2 cxd4 9. cxd4 f6 10. exf6 Nxf6 11. a3 Bd7 12. Bc2 Rc8 13. Nc3 Bd6 14. 0-0 0-0 15. Re1 a6 16. Rb1 Qc7 17. Qd3 Rce8 18. Bg5 g6 19. Re2 Nh5 20. g3 Rxf3 21. Nxd5 Rxd3 22. Nxc7 Rxg3+ 23. hxg3 Bxc7 24. Rd1 Bb6 25. Be3 Nf6 26. Bb3 Nd5 27. Kg2 Nce7 28. Rc2 Nf5 29. Re2 Bc6 30. Bxd5 Bxd5+ 31. f3 e5 32. Bf2 Bxd4 33. Bxd4 Nxd4 34. Rxd4 Bxf3+ 35. Kxf3 Rf8+ 36. Rf4 exf4 37. gxf4 g5 38. Rg2 Rxf4+ 39. Ke3 h6 40. Rc2 Kg7 41. Rd2 Rf6 42. Rd7+ Rf7 43. Rd6 g4 44. Ke2 h5 45. b4 g3 46. Rd3 h4 47. Rd4 Rf2+ 48. Ke3 Rh2 49. a4 g2 50. Kf2 h3 51. b5 axb5 52. axb5 Rh1 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "7"]
[White "De Jong, Jasper"]
[Black "Hijweegen, Claudia"]
[Result "1/2-1/2"]
[ECO "C14"]
[PlyCount "118"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 Bxg5 7. hxg5 Qxg5 8. Nh3 Qe7 9. Nf4 c5 10. Nb5 Kd8 11. Qg4 g6 12. Bd3 cxd4 13. Nxd4 Nxe5 14. Qe2 Nxd3+ 15. Nxd3 Nc6 16. Nxc6+ bxc6 17. Ne5 Bd7 18. Qf3 Ke8 19. Qc3 Qf6 20. 0-0-0 c5 21. Rde1 c4 22. Rh3 Qg5+ 23. Kb1 f6 24. Rg3 Qf5 25. Rf3 Qg5 26. Rg3 Qh4 27. Nf3 Qf4 28. Qa3 Qc7 29. Nd4 Kf7 30. Rge3 e5 31. Nf3 Rab8 32. Nh4 Rb7 33. f4 e4 34. g3 Rhb8 35. Ng2 Qb6 36. b3 Qb4 37. Qb2 Rc8 38. Rh1 h5 39. Ree1 Bg4 40. Ne3 c3 41. Qc1 Be6 42. f5 Bxf5 43. Nxf5 gxf5 44. Rxh5 d4 45. Reh1 d3 46. Rh7+ Ke6 47. Rxb7 Qxb7 48. cxd3 exd3 49. Re1+ Kf7 50. Qh6 Kg8 51. Qg6+ Qg7 52. Re8+ Rxe8 53. Qxe8+ Kh7 54. Qh5+ Kg8 55. Qe8+ Qf8 56. Qg6+ Kh8 57. Qh5+ Kg7 58. Qxf5 Qd6 59. Qg4+ Kh6 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "3"]
[White "Fijlstra, Bobby"]
[Black "Hijweegen, Claudia"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "52"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Nf6 6. 0-0 0-0 7. h3 Be6 8. Be3 Nbd7 9. Nbd2 Rc8 10. Rc1 c5 11. c3 c4 12. Bb1 b5 13. Ng5 h6 14. Nxe6 fxe6 15. Nf3 Qe8 16. Nh2 Qh5 17. Qxh5 Nxh5 18. Rce1 a5 19. Nf3 g5 20. Bd2 Ng7 21. Nh2 Nf6 22. h4 gxh4 23. Bxh6 Bxh2+ 24. Kh1 Bc7 25. Bg5 Ng4 26. Re2 Bd8 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "1"]
[White "Groenewold, Jan Joris"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "A10"]
[PlyCount "69"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 f5 3. g3 Nf6 4. Bg2 d5 5. 0-0 c6 6. a4 Bd6 7. a5 0-0 8. Nc3 Nbd7 9. cxd5 exd5 10. a6 Ne4 11. Nd4 Qf6 12. e3 g5 13. Nxe4 fxe4 14. axb7 Bxb7 15. Bxe4 Be5 16. Qb3 Rfb8 17. Bb1 Bxd4 18. Qd3 Bxb2 19. Qxh7+ Kf8 20. Qxd7 Bxc1 21. Rxc1 Qxa1 22. Qd6+ Kg8 23. Bh7+ Kxh7 24. Rxa1 a5 25. Qe7+ Kg6 26. Qe6+ Kg7 27. Rxa5 Rxa5 28. Qe5+ Kg6 29. Qxb8 Rb5 30. Kg2 Rb2 31. Qd6+ Kf7 32. Qh6 g4 33. Qh7+ Ke6 34. Qg8+ Kf5 35. Qf7+ 1-0

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "5"]
[White "Groot, Marjoke"]
[Black "Hijweegen, Claudia"]
[Result "1/2-1/2"]
[ECO "C06"]
[PlyCount "83"]
[EventDate "2001.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Nb6 8. 0-0 Bd7 9. Nf3 cxd4 10. cxd4 Rc8 11. Bg5 Be7 12. Bxe7 Qxe7 13. Nc3 a6 14. Rc1 0-0 15. Bb1 f6 16. Qd3 f5 17. Nd2 Nb4 18. Qh3 Nc4 19. Nxc4 Rxc4 20. Ne2 Bb5 21. Qe3 Rxc1 22. Rxc1 Bxe2 23. Qxe2 Nc6 24. Qd2 Qd8 25. Rc5 Qb6 26. Qc3 Qb4 27. Qxb4 Nxb4 28. Rc7 Nc6 29. Rxb7 Nxd4 30. Rc7 Rb8 31. b3 Rb6 32. g3 Nf3+ 33. Kg2 Nxe5 34. f4 Rc6 35. Re7 Ng4 36. h3 Ne3+ 37. Kf3 Nd1 38. Bd3 Nb2 39. Ke2 Nxd3 40. Kxd3 Kf8 41. Ra7 h6 42. a4 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "4"]
[White "Hijweegen, Claudia"]
[Black "Duijker, Rick"]
[Result "0-1"]
[ECO "A36"]
[PlyCount "54"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 d6 6. Nge2 c5 7. 0-0 Nc6 8. a3 Bd7 9. Rb1 a5 10. d3 Ne8 11. h3 Nc7 12. Bd2 Rb8 13. Na2 b5 14. Qc1 Qc8 15. Kh2 Qa6 16. b3 a4 17. bxa4 bxc4 18. Qxc4 Qxc4 19. dxc4 Ne5 20. Rfc1 Bxa4 21. Bc3 Nd3 22. Rf1 Bb3 23. Nac1 Bxc4 24. Bxg7 Kxg7 25. Ra1 Nxc1 26. Nxc1 Bxf1 27. Bxf1 Rb2 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "2"]
[White "Hijweegen, Claudia"]
[Black "Hagerop van Eijs, Isabelle"]
[Result "1-0"]
[ECO "A20"]
[PlyCount "71"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. a3 a5 5. Nc3 d6 6. d3 c6 7. Na4 Nbd7 8. Nxc5 Nxc5 9. Rb1 a4 10. Nf3 h6 11. 0-0 Be6 12. Nd2 0-0 13. b3 axb3 14. Nxb3 Nxb3 15. Qxb3 Rb8 16. Be3 Bc8 17. Bxc6 Qc7 18. Qb6 Qxb6 19. Rxb6 Rd8 20. Bg2 d5 21. Rc1 dxc4 22. Rxc4 Nd5 23. Rb5 Be6 24. Rcc5 Nxe3 25. fxe3 Bg4 26. Kf2 b6 27. Rxe5 Rdc8 28. h3 Bd7 29. Rb2 f6 30. Re4 Bc6 31. Rc4 Bxg2 32. Kxg2 Re8 33. e4 b5 34. Rcb4 Re5 35. a4 Kf7 36. Rxb5 1-0

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "9"]
[White "Hijweegen, Claudia"]
[Black "Hamelink, Desiree"]
[Result "0-1"]
[ECO "D13"]
[BlackElo "2112"]
[PlyCount "100"]
[EventDate "2001.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. cxd5 cxd5 5. d4 Bf5 6. Nc3 e6 7. Nf3 Nc6 8. a3 h6 9. 0-0 Bd6 10. Re1 0-0 11. Nh4 Bh7 12. e4 dxe4 13. Nxe4 Be7 14. Nxf6+ Bxf6 15. Bxc6 bxc6 16. Nf3 Qd5 17. Bd2 Be4 18. Re3 Bxf3 19. Rxf3 Bxd4 20. Bc3 Bxc3 21. Rxc3 Rfb8 22. Qc2 Rb6 23. b4 Rd8 24. Rc1 Ra6 25. Qe2 Qb5 26. Qb2 Rd3 27. Rc5 Qa4 28. R1c3 Qd1+ 29. Kg2 Qf3+ 30. Kh3 Qd1 31. Kg2 Rd2 32. Rc2 Rxc2 33. Qxc2 Qxc2 34. Rxc2 Rxa3 35. Rxc6 Kh7 36. b5 Rb3 37. Rc7 Rxb5 38. Rxa7 Kg6 39. h4 f5 40. Ra3 Kf6 41. Ra4 Rb6 42. f4 g5 43. fxg5+ hxg5 44. hxg5+ Kxg5 45. Rc4 e5 46. Ra4 e4 47. Ra3 Kg4 48. Re3 Rb2+ 49. Kf1 Rd2 50. Ra3 Rd3 0-1

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "4"]
[White "Hijweegen, Claudia"]
[Black "Hania, Renske"]
[Result "0-1"]
[ECO "A17"]
[PlyCount "60"]
[EventDate "2001.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 c6 5. cxd5 exd5 6. d4 Bf5 7. Nc3 Nbd7 8. 0-0 Ne4 9. Nh4 Nxc3 10. bxc3 Be6 11. Nf3 Nf6 12. Rb1 Rb8 13. Bf4 Bd6 14. Bxd6 Qxd6 15. Qa4 a6 16. Nd2 Bf5 17. Rb2 0-0 18. f3 Qe6 19. Rf2 Qe3 20. Qb3 Rfe8 21. c4 Qxd4 22. Bf1 Re3 23. Qb6 Qxb6 24. Rxb6 Re7 25. Bg2 Rd8 26. cxd5 Nxd5 27. Rb2 Ne3 28. Nb3 Nd1 29. Rd2 Rxd2 30. Nxd2 Nxf2 0-1

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2001.??.??"]
[Round "6"]
[White "Hijweegen, Claudia"]
[Black "Kemper, P."]
[Result "1/2-1/2"]
[ECO "A24"]
[PlyCount "109"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 d6 3. Bg2 c6 4. Nc3 g6 5. e4 Nbd7 6. Nge2 e5 7. 0-0 Bg7 8. d3 0-0 9. f4 a6 10. f5 b5 11. cxb5 axb5 12. Bg5 Qb6+ 13. Kh1 Bb7 14. h3 Ra7 15. Qd2 Rfa8 16. Be3 c5 17. b4 Bc6 18. fxg6 fxg6 19. Rfc1 Qb7 20. Nd1 Bf8 21. Nf2 Ra3 22. bxc5 dxc5 23. Rc3 b4 24. Rxa3 Rxa3 25. h4 b3 26. Qb2 c4 27. axb3 Rxb3 28. Qc2 cxd3 29. Nxd3 Bxe4 30. Qc4+ Bd5 31. Bxd5+ Qxd5+ 32. Qxd5+ Nxd5 33. Nec1 Rc3 34. Bg1 e4 35. Nf2 Rxg3 36. Bh2 Re3 37. Kg2 Kf7 38. Bg3 N7f6 39. Nd1 Rf3 40. Nf2 Rf5 41. Ra7+ Kg8 42. Ra2 Nh5 43. Nxe4 Ne3+ 44. Kh3 Rf3 45. Ne2 Nxg3 46. N2xg3 Nf5 47. Rf2 Rxf2 48. Nxf2 Nxg3 49. Kxg3 Bd6+ 50. Kg4 Kg7 51. Ne4 Bc7 52. Nc5 Bb6 53. Ne4 h5+ 54. Kh3 Bd8 55. Nd2 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "8"]
[White "Hijweegen, Claudia"]
[Black "Markus, Aernout"]
[Result "1/2-1/2"]
[ECO "A10"]
[PlyCount "21"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 f5 2. g3 Nf6 3. Bg2 g6 4. Nc3 Bg7 5. e3 c6 6. Nge2 0-0 7. 0-0 e6 8. a3 d5 9. cxd5 exd5 10. d4 Nbd7 11. Qc2 1/2-1/2

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "6"]
[White "Hijweegen, Claudia"]
[Black "Paulis, Winifred"]
[Result "1/2-1/2"]
[ECO "E18"]
[PlyCount "66"]
[EventDate "2001.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e6 2. g3 Nf6 3. Bg2 Be7 4. Nf3 d5 5. 0-0 0-0 6. cxd5 exd5 7. d4 b6 8. Nc3 Bb7 9. Bg5 Nbd7 10. Qb3 Re8 11. Rac1 h6 12. Bxf6 Nxf6 13. e3 c6 14. Nd2 Qd7 15. Ne2 Bd6 16. Rfe1 Qf5 17. Qc2 Qg5 18. a3 Rac8 19. Bh3 Ng4 20. Nf4 Bxf4 21. exf4 Qh5 22. Kg2 Rcd8 23. Bxg4 Qxg4 24. Qd1 Qg6 25. Nf3 Qd6 26. Qa4 a6 27. Ne5 f6 28. Nd3 a5 29. Qb3 Ba6 30. Rxe8+ Rxe8 31. Re1 Rxe1 32. Nxe1 c5 33. Nc2 Kh8 1/2-1/2

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2001.??.??"]
[Round "3"]
[White "Hijweegen, Claudia"]
[Black "Severijnen, Arjon"]
[Result "1/2-1/2"]
[ECO "A16"]
[PlyCount "62"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 c6 2. g3 Nf6 3. Bg2 g6 4. Nc3 Bg7 5. e4 d6 6. Nge2 0-0 7. 0-0 Nbd7 8. Rb1 Nb6 9. d3 e5 10. f4 exf4 11. Bxf4 Nh5 12. Qd2 Nxf4 13. Qxf4 f5 14. Qd2 Nd7 15. exf5 gxf5 16. Bh3 Ne5 17. b3 Ng4 18. Bxg4 fxg4 19. Rxf8+ Qxf8 20. Rf1 Qe7 21. d4 Bd7 22. Nf4 Re8 23. Nfe2 Qe3+ 24. Qxe3 Rxe3 25. Rf4 c5 26. Kf2 cxd4 27. Nd5 Re8 28. Nxd4 Rf8 29. Ne7+ Kh8 30. Rxf8+ Bxf8 31. Nd5 Kg7 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "6"]
[White "Hijweegen, Claudia"]
[Black "Van Dijk, Martin"]
[Result "1-0"]
[ECO "A20"]
[PlyCount "61"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. g3 Bc5 3. Bg2 c6 4. e3 d5 5. cxd5 cxd5 6. Qb3 e4 7. Nc3 Nf6 8. Nge2 Bb6 9. Nf4 Be6 10. d4 Nc6 11. 0-0 0-0 12. f3 exf3 13. Bxf3 Ne7 14. Bd2 Rb8 15. Na4 Bc7 16. Nc5 Bxf4 17. exf4 Nf5 18. Bc3 Re8 19. Rfe1 Ne4 20. Bxe4 dxe4 21. Nxe6 Rxe6 22. d5 Re8 23. Be5 Nd6 24. Qb4 Rc8 25. Qxd6 Qxd6 26. Bxd6 Rcd8 27. Be5 Rxd5 28. Rad1 Rb5 29. Rc1 f6 30. Bc3 e3 31. Rc2 1-0

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "2"]
[White "Hijweegen, Claudia"]
[Black "Van Weersel, Arlette"]
[Result "0-1"]
[ECO "D33"]
[PlyCount "56"]
[EventDate "2001.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. cxd5 exd5 5. d4 c5 6. Nf3 Nc6 7. 0-0 Be6 8. Nc3 Rc8 9. e3 Be7 10. Bd2 0-0 11. dxc5 Bxc5 12. a3 Qd7 13. b4 Bd6 14. Re1 Ne5 15. Qe2 Bg4 16. Rec1 Ne4 17. Nxe5 Bxe5 18. Qe1 Bh3 19. Ra2 Bxg2 20. Kxg2 Ng5 21. Qe2 Bxc3 22. Bxc3 d4 23. exd4 Rfe8 24. Qd1 Qd5+ 25. f3 Qxa2+ 26. Rc2 Qe6 27. h4 Qh3+ 28. Kf2 Qh2+ 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "5"]
[White "Kamstra, Jippe"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "133"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. f4 Qb6 6. Nf3 cxd4 7. cxd4 Bb4+ 8. Kf2 Nh6 9. a3 Be7 10. b4 Bd7 11. Nc3 Rc8 12. Na4 Qc7 13. h3 Nxe5 14. fxe5 Qc2+ 15. Qxc2 Rxc2+ 16. Be2 Bxa4 17. Bxh6 gxh6 18. Rhc1 Rxc1 19. Rxc1 Kd7 20. Bd3 Bg5 21. Nxg5 hxg5 22. Ke3 h6 23. Rf1 Ke7 24. Rc1 Kd7 25. Rc5 b6 26. Rc1 Rf8 27. Rf1 Ke7 28. Rf6 Rh8 29. Kd2 Kf8 30. Bg6 Be8 31. Rf1 Ke7 32. Bh5 Rf8 33. Rf6 Rh8 34. b5 Rh7 35. a4 Bd7 36. Kc3 Bc8 37. Kb4 Bd7 38. a5 Be8 39. axb6 axb6 40. Rf1 Bd7 41. Ra1 Rh8 42. Ra7 Rb8 43. Bxf7 Kd8 44. Bg6 Kc8 45. Ra1 Rb7 46. Rf1 Rc7 47. Bd3 Be8 48. Rf8 Kd8 49. Rh8 h5 50. Bg6 Re7 51. Bxh5 Kd7 52. Bg4 Rf7 53. Rh6 Re7 54. Rf6 Bf7 55. g3 Be8 56. h4 gxh4 57. gxh4 Bf7 58. h5 Bg8 59. Kc3 Bh7 60. Kd2 Be4 61. h6 Bh7 62. Ke3 Be4 63. Kf4 Bd3 64. Kg5 Bxb5 65. Rxe6 Bd3 66. Rxe7+ Kxe7 67. Bf5 1-0

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2001.??.??"]
[Round "5"]
[White "Lukacs, Milko"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "C18"]
[PlyCount "83"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 c4 7. Qg4 Kf8 8. a4 Nc6 9. Nh3 Nge7 10. Be2 Qa5 11. Bd2 Ng6 12. 0-0 h5 13. Qg5 Qd8 14. Qe3 Nce7 15. Qg5 Nc6 16. Qg3 Nce7 17. Bg5 Bd7 18. Bxe7+ Nxe7 19. f4 Nf5 20. Qf3 Qh4 21. Ng5 f6 22. g3 Nxg3 23. hxg3 Qg4 24. Qf2 Qf5 25. Nf3 Qxc2 26. Qe3 Ke7 27. Nh4 Qh7 28. f5 Qh6 29. Qf2 exf5 30. exf6+ gxf6 31. Rad1 Kd8 32. Nxf5 Bxf5 33. Qxf5 Qe3+ 34. Qf2 Qxf2+ 35. Rxf2 Rh6 36. Rf5 Kc7 37. Bf3 Rg8 38. Kh2 Rgg6 39. Rg1 h4 40. g4 Rg8 41. Rxd5 Re8 42. Rc5+ 1-0

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "3"]
[White "Veenstra, Petra"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2098"]
[PlyCount "103"]
[EventDate "2001.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Nbd2 Na5 8. Be2 Bd7 9. 0-0 Ne7 10. Rb1 Rc8 11. Re1 Ng6 12. g3 Be7 13. Bf1 0-0 14. Bh3 Rfe8 15. Kh1 f6 16. exf6 Bxf6 17. Ng1 Qc6 18. f4 b5 19. Ngf3 Nb7 20. Nf1 Nd6 21. Ne3 Ne4 22. Qc2 a5 23. Bg2 Be7 24. Ng4 Bd6 25. Nd2 Nxd2 26. Bxd2 Rb8 27. Re3 b4 28. axb4 axb4 29. Rbe1 Ne7 30. Ne5 Bxe5 31. Rxe5 bxc3 32. Bxc3 Ng6 33. R5e3 Qb5 34. Bh3 Kf7 35. Qe2 Nf8 36. Qf3 Qc6 37. Re5 g6 38. g4 Kg7 39. f5 Rb6 40. f6+ Kf7 41. Qf4 Reb8 42. Qh6 Qd6 43. g5 Ra6 44. Kg1 Rb5 45. Qg7+ Ke8 46. Qg8 Rb7 47. f7+ Ke7 48. Qg7 Kd8 49. Bxe6 Bxe6 50. Rxe6 Nxe6 51. Rxe6 Rxf7 52. Rxd6+ 1-0

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "8"]
[White "Versmissen, Jorie"]
[Black "Hijweegen, Claudia"]
[Result "0-1"]
[ECO "C06"]
[PlyCount "56"]
[EventDate "2001.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 cxd4 9. cxd4 f6 10. exf6 Nxf6 11. 0-0 Bd6 12. Re1 0-0 13. a3 a5 14. Qc2 Bd7 15. Ng5 g6 16. Nf3 Rac8 17. Qb1 e5 18. dxe5 Nxe5 19. Nxe5 Bxe5 20. h3 Ng4 21. Be3 Nxe3 22. fxe3 Qxe3+ 23. Kh1 Bxh3 24. Nf4 Qxf4 25. Rxe5 Bxg2+ 26. Kg1 Qf2+ 27. Kh2 Bf1+ 28. Kh1 Qg2# 0-1

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "1"]
[White "Wezenaar, Femke"]
[Black "Hijweegen, Claudia"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "80"]
[EventDate "2001.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 Nge7 8. Nc3 Nf5 9. Bb5 Bb4 10. Bxc6+ bxc6 11. a3 Bxc3+ 12. bxc3 0-0 13. 0-0 Ba6 14. Re1 Rab8 15. Be3 Qb3 16. Qd2 Qb2 17. Ra2 Qxd2 18. Bxd2 Rb3 19. Rc1 Rfb8 20. Raa1 Ne7 21. Bg5 Nc8 22. Nd2 Rb2 23. Rab1 Bd3 24. Rxb2 Rxb2 25. h3 h6 26. Be3 Nb6 27. Kh2 Ra2 28. Nb3 Rxa3 29. Nc5 Bb5 30. Rc2 Na4 31. Nxa4 Bxa4 32. Rc1 a5 33. c4 Bb3 34. cxd5 Bxd5 35. Bd2 Ra2 36. Be3 a4 37. Kg3 a3 38. Rc3 Ra1 39. Bc1 a2 40. Rc2 Rb1 0-1

[Event "NED-ch U20 Girls"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "7"]
[White "Wortel, Marten"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "C17"]
[WhiteElo "2302"]
[PlyCount "139"]
[EventDate "2001.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Ne7 6. a3 Bxc3 7. Bxc3 cxd4 8. Qxd4 Nbc6 9. Qf4 0-0 10. Nf3 Qc7 11. 0-0-0 Bd7 12. Bd3 Ng6 13. Qg3 Rac8 14. h4 f5 15. exf6 Qxg3 16. f7+ Rxf7 17. fxg3 Nf8 18. g4 e5 19. Nxe5 Nxe5 20. Bxe5 Bxg4 21. Rdf1 Nd7 22. Bd4 Rxf1+ 23. Rxf1 b6 24. Re1 Nc5 25. Bxc5 bxc5 26. c4 d4 27. Re7 a6 28. Ra7 Re8 29. Rxa6 g6 30. Rc6 Re1+ 31. Kd2 Rd1+ 32. Kc2 Rg1 33. Be4 Re1 34. Bd3 Rg1 35. Rxc5 Rxg2+ 36. Kb3 Rg3 37. Kc2 Rg2+ 38. Kc1 Rg1+ 39. Kd2 Rg2+ 40. Kc1 Rg1+ 41. Kd2 Rg2+ 42. Ke1 Rxb2 43. Ra5 Rb3 44. Kd2 Rb2+ 45. Kc1 Rh2 46. Rd5 Rh1+ 47. Kd2 Rh2+ 48. Ke1 Rxh4 49. Rxd4 Rh1+ 50. Kd2 Bf5 51. Bxf5 gxf5 52. c5 Rh6 53. Kc3 Rc6 54. Kb4 Kf7 55. Rd7+ Kg6 56. Kb5 Rc8 57. Rd3 f4 58. Kb6 Kf5 59. c6 Kg4 60. c7 f3 61. Kb7 Rxc7+ 62. Kxc7 f2 63. Rd1 Kg3 64. a4 Kg2 65. a5 f1Q 66. Rxf1 Kxf1 67. a6 h5 68. a7 h4 69. a8Q Kg1 70. Qh8 1-0

[Event "NED-ch U16 op"]
[Site "Hengelo"]
[Date "2000.08.12"]
[Round "9"]
[White "Hijweegen, Claudia"]
[Black "De Jong, Bert"]
[Result "1/2-1/2"]
[ECO "A36"]
[PlyCount "50"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 g6 5. e4 Bg7 6. Nge2 0-0 7. 0-0 d6 8. a3 a5 9. Rb1 Rb8 10. b3 Bd7 11. Bb2 b6 12. Nd5 Nxd5 13. exd5 Ne5 14. f4 Ng4 15. Bxg7 Kxg7 16. h3 Nf6 17. d4 Qc8 18. Kh2 Bf5 19. Rb2 Be4 20. Nc3 Bxg2 21. Kxg2 Qd7 22. Re1 Rfe8 23. Rbe2 Rb7 24. Nb5 h5 25. Qd3 Qd8 1/2-1/2

[Event "NED-ch U16 op"]
[Site "Hengelo"]
[Date "2000.08.11"]
[Round "7"]
[White "Hijweegen, Claudia"]
[Black "Jacobs, Jos"]
[Result "0-1"]
[ECO "E62"]
[PlyCount "84"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 c6 5. Nf3 d6 6. d4 Bf5 7. 0-0 0-0 8. Re1 d5 9. cxd5 Nxd5 10. e4 Nxc3 11. bxc3 Bg4 12. h3 Bxf3 13. Bxf3 Qa5 14. Bb2 Rd8 15. Qb3 Nd7 16. Rab1 Nb6 17. h4 e6 18. Ba3 e5 19. dxe5 Qxe5 20. c4 Qc3 21. c5 Nc4 22. Rec1 Qxb3 23. Rxb3 Nxa3 24. Rxa3 Bb2 25. Rac3 Bxc1 26. Rxc1 Rd2 27. a4 Rd3 28. Kg2 Rd4 29. Rb1 Rb8 30. e5 Rdd8 31. a5 a6 32. Rb2 Kf8 33. Kh3 Ke7 34. Bg2 Ke6 35. f4 h5 36. Rb1 Kd7 37. Ra1 Kc7 38. Kh2 Rd2 39. Re1 Re8 40. Kg1 f5 41. Bf1 Rc2 42. e6 Rxc5 0-1

[Event "NED-ch U16 op"]
[Site "Hengelo"]
[Date "2000.08.11"]
[Round "8"]
[White "Van Zutphen, Amy"]
[Black "Hijweegen, Claudia"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "96"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Bd3 Qe7+ 6. Be3 Nf6 7. Nc3 0-0 8. 0-0 Bg4 9. h3 Be6 10. Re1 Nbd7 11. Bg5 Qd8 12. Ne5 Be7 13. Nxd7 Qxd7 14. Qf3 c6 15. Qg3 Nh5 16. Qh4 Bxg5 17. Qxg5 Nf6 18. Re3 Qd8 19. Rg3 g6 20. Qh6 b5 21. Ne2 Ne4 22. Re3 Rc8 23. Bxe4 dxe4 24. Rxe4 Bf5 25. Rh4 g5 26. Rh5 f6 27. Nf4 Qd7 28. h4 gxf4 29. Qxf4 Bxc2 30. Qg3+ Kh8 31. Rc1 Be4 32. f3 Qxd4+ 33. Kh2 Bg6 34. Rhc5 Rg8 35. Qe1 Qxb2 36. Qe7 Be4 37. Rg1 Bxf3 38. Rc2 Qxc2 39. Qxf6+ Rg7 40. Qxf3 Rcg8 41. Qf6 c5 42. h5 h6 43. Qxh6+ Qh7 44. Qxh7+ Kxh7 45. Kh3 Rg3+ 46. Kh2 Kh6 47. Kh1 R8g5 48. Kh2 c4 0-1

[Event "NED-ch U16 op"]
[Site "Hengelo"]
[Date "2000.08.10"]
[Round "6"]
[White "Van Deutekom, Yde"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "A01"]
[PlyCount "115"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nc6 2. b3 e5 3. Bb2 d6 4. e3 Be7 5. Bb5 Bd7 6. c4 Nf6 7. 0-0 0-0 8. d4 exd4 9. exd4 d5 10. Bxc6 Bxc6 11. Ne5 Bd7 12. Nc3 Be6 13. Qd3 c6 14. Rae1 Re8 15. f4 g6 16. h3 c5 17. cxd5 Bxd5 18. Nxd5 Nxd5 19. a3 cxd4 20. Qxd4 Bf6 21. Rd1 Qb6 22. Qxb6 Nxb6 23. Rd6 Be7 24. Rd3 Red8 25. Rfd1 Rxd3 26. Rxd3 Rd8 27. Rxd8+ Bxd8 28. Bd4 Bc7 29. g3 Bxe5 30. fxe5 Kf8 31. Bxb6 axb6 32. Kf2 Ke7 33. Ke3 Kd7 34. Kd4 Ke6 35. a4 Kd7 36. Kd5 Ke7 37. b4 Kd7 38. a5 bxa5 39. bxa5 Kc7 40. h4 Kd7 41. g4 h6 42. Kc5 Kc7 43. h5 g5 44. Kd5 Kd7 45. Ke4 Ke6 46. Kd4 Kd7 47. Kd5 Kc7 48. Ke4 Kd7 49. Kf5 Ke7 50. Ke4 Ke6 51. Kd4 Kd7 52. Kd5 Kc7 53. Kc5 Kc8 54. Kd6 Kd8 55. e6 f5 56. e7+ Ke8 57. gxf5 g4 58. Ke6 1-0

[Event "NED-ch U16 op"]
[Site "Hengelo"]
[Date "2000.08.09"]
[Round "5"]
[White "Hijweegen, Claudia"]
[Black "Van der Eijk, Martijn"]
[Result "1-0"]
[ECO "A13"]
[PlyCount "95"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Nc6 5. cxd5 exd5 6. d4 Be6 7. 0-0 Qd7 8. Ng5 Be7 9. Nc3 h6 10. Nxe6 fxe6 11. e3 g5 12. f4 g4 13. Qc2 0-0-0 14. Bd2 h5 15. Rac1 h4 16. a3 Nh5 17. Be1 Bf6 18. Kf2 Qg7 19. Ke2 Bxd4 20. b4 hxg3 21. hxg3 Bxc3 22. Bxc3 d4 23. exd4 Nxd4+ 24. Bxd4 Rxd4 25. Kf2 Rhd8 26. Rfd1 Rxd1 27. Rxd1 Rxd1 28. Qxd1 Qb2+ 29. Kg1 Nf6 30. Qe1 Qb3 31. Qe5 Qb1+ 32. Bf1 Qf5 33. Qxf5 exf5 34. Bd3 Ne4 35. Bxe4 fxe4 36. Kf2 Kd7 37. Ke3 b6 38. Kxe4 Kd6 39. Kf5 c5 40. bxc5+ Kxc5 41. Kxg4 Kd6 42. f5 b5 43. Kf4 a5 44. Ke4 b4 45. axb4 axb4 46. Kd4 b3 47. Kc3 Ke5 48. g4 1-0

[Event "NED-ch U16 op"]
[Site "Hengelo"]
[Date "2000.08.09"]
[Round "4"]
[White "Overduin, Derk"]
[Black "Hijweegen, Claudia"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "70"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. g3 Bd7 7. Be3 cxd4 8. Nxd4 Bc5 9. Qd2 Nxe5 10. Bg2 Ne7 11. b4 Bxd4 12. Bxd4 Qc7 13. Qf4 Nd3+ 14. Kf1 Nxf4 15. gxf4 f6 16. Be3 Nf5 17. Bd2 Kf7 18. Na3 Bc6 19. Nc2 Nh4 20. Nd4 Nxg2 21. Kxg2 e5 22. fxe5 fxe5 23. Nf3 d4 24. cxd4 Bxf3+ 25. Kxf3 Qc6+ 26. Ke2 Qe4+ 27. Be3 exd4 28. f3 Qxe3+ 29. Kf1 Rhe8 30. Kg2 Rac8 31. Rhf1 Rc2+ 32. Kh1 Qh6 33. Rf2 Rxf2 34. h4 Qxh4+ 35. Kg1 Qh2# 0-1

[Event "NED-ch U16 op"]
[Site "Hengelo"]
[Date "2000.08.08"]
[Round "3"]
[White "Hijweegen, Claudia"]
[Black "Maassen van den Brink, Koen"]
[Result "1/2-1/2"]
[ECO "D79"]
[PlyCount "95"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 c6 2. g3 d5 3. cxd5 cxd5 4. Nf3 Nf6 5. Bg2 g6 6. Nc3 Bg7 7. d4 0-0 8. 0-0 Nc6 9. a3 Re8 10. e3 Bg4 11. h3 Bc8 12. Ne1 b6 13. Nc2 Ba6 14. Re1 e6 15. b4 Bb7 16. Bd2 Qd7 17. Qe2 Rec8 18. Reb1 Ne8 19. a4 Nd6 20. a5 Rab8 21. axb6 axb6 22. Na3 Ne7 23. Rc1 e5 24. dxe5 Bxe5 25. Rab1 Bg7 26. Qd3 Nc4 27. Nxc4 Rxc4 28. Ne2 Ba6 29. Nc3 Bb7 30. Kh2 b5 31. Ne4 Qf5 32. Nc5 Qc8 33. Bc3 Ra8 34. Bxg7 Kxg7 35. Rc2 Bc6 36. Bf1 Bd7 37. Nxd7 Qxd7 38. Qd1 Rxc2 39. Qxc2 Rc8 40. Qb2+ Kg8 41. Rc1 Qb7 42. Rxc8+ Nxc8 43. Qd4 Nd6 44. Bg2 Ne4 45. Bxe4 dxe4 46. Qd8+ Kg7 47. Qd4+ Kg8 48. Qd8+ 1/2-1/2

[Event "NED-ch U16 op"]
[Site "Hengelo"]
[Date "2000.08.08"]
[Round "2"]
[White "Van Duijvenbode, Harrie"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "C15"]
[PlyCount "39"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 c5 5. dxc5 Ne7 6. Be3 Nbc6 7. Nd4 e5 8. Nxc6 bxc6 9. exd5 cxd5 10. a3 Bxc3+ 11. bxc3 0-0 12. Bd3 Nf5 13. 0-0 Nxe3 14. fxe3 Qa5 15. c4 dxc4 16. Bxc4 Qxc5 17. Rxf7 Rxf7 18. Qd8+ Qf8 19. Bxf7+ Kxf7 20. Rf1+ 1-0

[Event "NED-ch U16 op"]
[Site "Hengelo"]
[Date "2000.08.07"]
[Round "1"]
[White "Hijweegen, Claudia"]
[Black "Van den Oord, Pieter"]
[Result "1/2-1/2"]
[ECO "A26"]
[PlyCount "74"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nc3 Bd7 5. a3 a5 6. e4 g6 7. Nge2 Nge7 8. 0-0 Bg7 9. d3 0-0 10. Rb1 Kh8 11. b4 axb4 12. axb4 Qc8 13. Nd5 Nxd5 14. exd5 Ne7 15. Bb2 Bh3 16. f4 Bxg2 17. Kxg2 Nf5 18. Qd2 Qe8 19. Rbe1 c6 20. Nc3 Qd7 21. Kg1 Rfe8 22. dxc6 bxc6 23. Ne4 Qa7+ 24. Kh1 d5 25. Nc5 dxc4 26. Bxe5 cxd3 27. Bxg7+ Nxg7 28. Qxd3 Qb6 29. Qc4 Rad8 30. Rd1 Qc7 31. Rfe1 Rxe1+ 32. Rxe1 h5 33. Rc1 Rd6 34. Ne4 Re6 35. Ng5 Rf6 36. Ne4 Re6 37. Ng5 Rf6 1/2-1/2

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.21"]
[Round "6"]
[White "Hijweegen, Claudia"]
[Black "De Klerk, Ronald"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1527"]
[BlackElo "1681"]
[PlyCount "38"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 e6 5. Bxf5 exf5 6. Nf3 Ne7 7. 0-0 g6 8. Re1 Bg7 9. Bg5 0-0 10. Nbd2 Na6 11. Nb3 Nc7 12. c3 Ne6 13. Bd2 b6 14. Qc2 Rc8 15. Ng5 h6 16. Nxe6 fxe6 17. f4 c5 18. Be3 c4 19. Nd2 b5 1/2-1/2

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.21"]
[Round "5"]
[White "Hijweegen, Louis H"]
[Black "Hijweegen, Claudia"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "1727"]
[BlackElo "1527"]
[PlyCount "54"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 c6 6. d3 Bb4 7. Qc2 Be6 8. Bd2 0-0 9. Nf3 Nd7 10. 0-0 Nxc3 11. Bxc3 Qa5 12. Bxb4 Qxb4 13. Rfc1 f6 14. Nd2 Rac8 15. a3 Qe7 16. b4 Nb6 17. Ne4 Bd5 18. Nc5 Bxg2 19. Kxg2 Nd5 20. Qa2 Qf7 21. Ne4 Rcd8 22. Nc5 Rb8 23. Qc2 Kh8 24. Ne4 Nb6 25. Kg1 Rfd8 26. h4 Qd5 27. Qd2 Qxe4 0-1

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "3"]
[White "Hijweegen, Claudia"]
[Black "Duivenvoorden, Ben"]
[Result "1-0"]
[ECO "C59"]
[WhiteElo "1527"]
[BlackElo "1692"]
[PlyCount "61"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 Nd5 9. Nf3 Nf4 10. 0-0 e4 11. Ne1 Bd6 12. d3 exd3 13. Nxd3 Qg5 14. Bxf4 Bxf4 15. Nxf4 Qxf4 16. Qd2 Qc7 17. Qe3+ Be6 18. Bg4 0-0 19. Bxe6 Rfe8 20. Bxf7+ Qxf7 21. Qc3 Nc4 22. Na3 Ne5 23. Rfe1 Rad8 24. Rxe5 Rxe5 25. Qxe5 Re8 26. Qc3 Re2 27. Qc4 Re6 28. Rd1 Kf8 29. Qb4+ Kg8 30. Rd8+ Re8 31. Qb8 1-0

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "2"]
[White "Lardenoye, Bert"]
[Black "Hijweegen, Claudia"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "1707"]
[BlackElo "1527"]
[PlyCount "59"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. bxc3 0-0 7. Bg5 b6 8. cxd5 exd5 9. e3 Bb7 10. Bd3 h6 11. Bh4 Nbd7 12. Nf3 Rc8 13. 0-0 c5 14. Qe2 g5 15. Bg3 Qe7 16. Ne5 Nxe5 17. Bxe5 Ne4 18. Rfc1 f6 19. Bg3 cxd4 20. Bxe4 dxe4 21. Qa2+ Qf7 22. Qxf7+ Kxf7 23. cxd4 Rxc1+ 24. Rxc1 Rc8 25. Rxc8 Bxc8 26. Bb8 a6 27. Bc7 b5 28. f3 Bb7 29. Kf2 Ke6 30. fxe4 1/2-1/2

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.19"]
[Round "1"]
[White "Hijweegen, Claudia"]
[Black "Baak, Karl"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1527"]
[BlackElo "1748"]
[PlyCount "96"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Be2 Nc6 7. 0-0 cxd4 8. cxd4 Nge7 9. Na3 Nf5 10. Nc2 Rc8 11. b3 a5 12. Be3 Bb4 13. Rb1 Qd8 14. Bg5 Qc7 15. g4 Nfe7 16. a3 h6 17. Bh4 Bc3 18. Ne3 Qb6 19. Nc2 Na7 20. Bxe7 Kxe7 21. Qd3 Bb5 22. Qe3 Rc6 23. Rfc1 Rhc8 24. h4 Bxe2 25. Qxe2 Nb5 26. Qe3 Qc7 27. Rd1 Bb2 28. Rxb2 Rxc2 29. Rxc2 Qxc2 30. Qd3 Qxd3 31. Rxd3 Rc3 32. Rxc3 Nxc3 33. a4 Kd7 34. Kf1 Kc6 35. Ke1 b5 36. axb5+ Kxb5 37. Nd2 Kb4 38. g5 Ne4 39. f4 Nxd2 40. Kxd2 hxg5 41. hxg5 g6 42. Kc2 a4 43. bxa4 Kxa4 44. Kd2 Kb4 45. Kd3 Kb3 46. Ke2 Kc4 47. Ke3 Kc3 48. Kf3 Kxd4 0-1

[Event "NED-ch U16 Girls"]
[Site "Leiden"]
[Date "2000.05.06"]
[Round "9"]
[White "Hijweegen, Claudia"]
[Black "Hemmer, Anne Fleur"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "70"]
[EventDate "2000.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 Bd7 7. 0-0 cxd4 8. cxd4 Nge7 9. Na3 Nf5 10. Nc2 Be7 11. b3 Rc8 12. Kh1 h6 13. Rg1 g5 14. g4 Ng7 15. Nfe1 Kd8 16. f4 f6 17. fxg5 fxg5 18. Nf3 Kc7 19. Be3 Kb8 20. Qd2 Rc7 21. Rgc1 Rhc8 22. h4 h5 23. gxh5 gxh4 24. Bg5 Bxg5 25. Qxg5 Nf5 26. Qd2 Rh8 27. Ng5 Ncxd4 28. Nxd4 Rxc1+ 29. Rxc1 Qxd4 30. Qxd4 Nxd4 31. Bg4 Rg8 32. Rd1 Nf5 33. Bxf5 exf5 34. e6 Be8 35. Rxd5 Bc6 0-1

[Event "NED-ch U16 Girls"]
[Site "Leiden"]
[Date "2000.05.05"]
[Round "7"]
[White "Hijweegen, Claudia"]
[Black "Van Run, Rieke"]
[Result "1/2-1/2"]
[ECO "C54"]
[PlyCount "59"]
[EventDate "2000.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[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. Qb3 Nce7 12. Rfe1 c6 13. h3 Qc7 14. Rad1 Bf5 15. Ne4 Bxe4 16. Rxe4 Nf6 17. Re2 Ned5 18. Rde1 Qb6 19. Qxb6 Nxb6 20. Ng5 Rfe8 21. Ne4 Nxe4 22. Rxe4 Rxe4 23. Rxe4 Kf8 24. Bd5 cxd5 25. Re5 Rd8 26. f3 f6 27. Re3 Rc8 28. Rb3 Rc7 29. Rb5 Rd7 30. Kf2 1/2-1/2

[Event "NED-ch U16 Girls"]
[Site "Leiden"]
[Date "2000.05.05"]
[Round "8"]
[White "Van Houwelingen, Iris"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "C68"]
[PlyCount "123"]
[EventDate "2000.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bd6 6. d4 Bg4 7. dxe5 Bxf3 8. Qxf3 Bxe5 9. Bd2 Nf6 10. 0-0-0 Qe7 11. h3 0-0 12. Bg5 Bxc3 13. Qxc3 Qxe4 14. Qg3 Qg6 15. Bxf6 Qxg3 16. fxg3 gxf6 17. Rd7 Rac8 18. Re1 Rfd8 19. Ree7 Rxd7 20. Rxd7 Kf8 21. Rd4 Re8 22. Kd2 Re5 23. Rd8+ Kg7 24. Rd7 Rd5+ 25. Rxd5 cxd5 26. Ke3 c6 27. Kd4 b6 28. b4 Kg6 29. a4 Kf5 30. a5 bxa5 31. bxa5 Ke6 32. Kc5 Kd7 33. Kb6 Kd6 34. Kxa6 Kc7 35. c3 f5 36. g4 fxg4 37. hxg4 f6 38. g3 h6 39. g5 hxg5 40. g4 f5 41. gxf5 g4 42. f6 g3 43. f7 g2 44. f8Q g1Q 45. Qe7+ Kc8 46. Qb7+ Kd8 47. Qxc6 Qf1+ 48. Qb5 Qf5 49. Qc6 Qf1+ 50. Kb7 Qf7+ 51. Kb6 Qf2+ 52. Kb5 Qf1+ 53. Kc5 Qf2+ 54. Kxd5 Qf5+ 55. Kc4 Qxa5 56. Qd5+ Qxd5+ 57. Kxd5 Kd7 58. Kc5 Kd8 59. Kd6 Kc8 60. c4 Kd8 61. c5 Kc8 62. Kc6 1-0

[Event "NED-ch U16 Girls"]
[Site "Leiden"]
[Date "2000.05.04"]
[Round "6"]
[White "Van Zutphen, Amy"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "53"]
[EventDate "2000.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[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 Bg4 12. h3 Bh5 13. Qc2 Nf6 14. Qc3 a6 15. Rac1 Qd6 16. Bb3 Rad8 17. Nc4 Qf4 18. Nce5 Bxf3 19. Nxf3 Rfe8 20. Rxe8+ Rxe8 21. d5 Ne5 22. Nxe5 Rxe5 23. g3 Qe4 24. Qxc7 Re7 25. Qc8+ Ne8 26. d6 Re5 27. d7 1-0

[Event "NED-ch U16 Girls"]
[Site "Leiden"]
[Date "2000.05.03"]
[Round "4"]
[White "Hijweegen, Claudia"]
[Black "Eimers, Nathalie"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "89"]
[EventDate "2000.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 Bd7 7. 0-0 h6 8. b3 cxd4 9. cxd4 Nge7 10. Na3 Nf5 11. Nc2 Rc8 12. Bb2 Nb4 13. Nxb4 Bxb4 14. Rc1 Rxc1 15. Qxc1 0-0 16. g4 Rc8 17. Qa1 Ne7 18. a3 Ba5 19. b4 Ng6 20. bxa5 Qxa5 21. Rc1 Rf8 22. Bc3 Qd8 23. Qb2 Nf4 24. Bf1 Bc6 25. Bd2 Ng6 26. Bb5 Qb6 27. Rb1 Rb8 28. Bxc6 Qxc6 29. Qc1 Qd7 30. Qc5 b6 31. Qb4 Rc8 32. Rc1 Rf8 33. Qc3 Qb5 34. Qc2 Qe2 35. Qd1 Qe4 36. h3 f6 37. Bb4 Rf7 38. Rc8+ Kh7 39. Rc2 fxe5 40. Nxe5 Nxe5 41. dxe5 Qxe5 42. Re2 Qf4 43. Qc2+ g6 44. Rxe6 Qf3 45. Qxg6+ 1-0

[Event "NED-ch U16 Girls"]
[Site "Leiden"]
[Date "2000.05.03"]
[Round "5"]
[White "Hijweegen, Claudia"]
[Black "Veenstra, Petra"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "70"]
[EventDate "2000.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nc3 d6 6. h3 0-0 7. Be3 Na5 8. Nd2 Nxc4 9. Nxc4 c6 10. d4 Qc7 11. 0-0 c5 12. dxe5 dxe5 13. Nd5 Nxd5 14. Qxd5 Be6 15. Qxe5 Qc6 16. Nd2 Bd6 17. Qh5 f5 18. exf5 Rxf5 19. Qe2 Rf6 20. f3 Rg6 21. Kh1 Qd7 22. g4 b6 23. Ne4 Be5 24. c3 Bd5 25. Bd2 Re8 26. Qd3 c4 27. Qc2 Qc6 28. Rad1 Bc7 29. Rde1 h6 30. Re2 Rge6 31. Rfe1 Bg3 32. Rg1 Bxe4 33. Rxe4 Rxe4 34. fxe4 Rxe4 35. Rxg3 Re1+ 0-1

[Event "NED-ch U16 Girls"]
[Site "Leiden"]
[Date "2000.05.02"]
[Round "2"]
[White "Greeuw, Sietske"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "B95"]
[PlyCount "49"]
[EventDate "2000.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Bc4 Be7 8. Bb3 Qc7 9. Qd2 b5 10. 0-0-0 Bb7 11. f3 Nbd7 12. Bxe6 fxe6 13. Nxe6 Qb6 14. Nxg7+ Kf7 15. Nf5 Ke6 16. Ne2 Rac8 17. Ned4+ Kf7 18. Nxe7 Kxe7 19. Nf5+ Ke6 20. Nxd6 Rc7 21. Bf4 Rc6 22. Rhe1 Nc5 23. e5 Ne8 24. Qd5+ Ke7 25. Qf7+ 1-0

[Event "NED-ch U16 Girls"]
[Site "Leiden"]
[Date "2000.05.02"]
[Round "3"]
[White "Verboom, Linda"]
[Black "Hijweegen, Claudia"]
[Result "1/2-1/2"]
[ECO "B42"]
[PlyCount "66"]
[EventDate "2000.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Be3 e6 7. Bd3 Be7 8. 0-0 Qc7 9. Qd2 0-0 10. f4 b5 11. a3 Bb7 12. Nde2 Nbd7 13. Ng3 Rac8 14. Rac1 Ng4 15. Kh1 Nxe3 16. Qxe3 Bf6 17. Nd1 Qc5 18. c3 Qxe3 19. Nxe3 Nc5 20. Bc2 Bh4 21. b4 Nd7 22. Ne2 Bf6 23. Bd3 Nb6 24. Ng4 Be7 25. e5 dxe5 26. Nxe5 Rfd8 27. Rfd1 Nd5 28. Be4 Rc7 29. Bxd5 Rxd5 30. Rxd5 Bxd5 31. Ra1 Bb3 32. Rc1 Bd5 33. Ng4 h6 1/2-1/2

[Event "NED-ch U16 Girls"]
[Site "Leiden"]
[Date "2000.05.01"]
[Round "1"]
[White "Hijweegen, Claudia"]
[Black "Bensdorp, Marlies"]
[Result "0-1"]
[ECO "C41"]
[PlyCount "76"]
[EventDate "2000.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Bg5 e5 5. Nf3 Be7 6. dxe5 dxe5 7. Bd3 c6 8. Be3 Qc7 9. Qd2 Nc5 10. 0-0 h6 11. Kh1 Be6 12. Rad1 Rd8 13. Qe2 0-0 14. h3 Nxd3 15. cxd3 Ne8 16. d4 f6 17. dxe5 fxe5 18. Rxd8 Bxd8 19. Bc5 Rf7 20. Rd1 Bf6 21. a3 b6 22. Be3 Nd6 23. Nd2 Rd7 24. Qf3 Qd8 25. Qe2 Kh7 26. Rc1 Qe8 27. f4 exf4 28. Bxf4 Be7 29. e5 Nf5 30. Qe4 Rd4 31. Qf3 Qg6 32. Rg1 Bc5 33. g4 Nh4 34. Qg3 Qd3 35. Qxh4 Rxf4 36. Rd1 Bd5+ 37. Nxd5 Qxd5+ 38. Kh2 Rf2+ 0-1

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.14"]
[Round "9"]
[White "Van Woerden, Michiel"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "B86"]
[PlyCount "51"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 Be7 8. Bc4 Qc7 9. Bb3 0-0 10. Qd2 Nbd7 11. 0-0-0 Nc5 12. g4 e5 13. Nf5 Nxb3+ 14. axb3 Bxf5 15. gxf5 Rac8 16. Qg2 Rfe8 17. Bh6 Nh5 18. Nd5 Qc6 19. f6 Bf8 20. Bxg7 Nxg7 21. Rhg1 Qd7 22. h4 Rc5 23. h5 Rxd5 24. Rxd5 Qe6 25. Qg5 b5 26. Qh6 1-0

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.13"]
[Round "7"]
[White "De Bode, Christian"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "B95"]
[PlyCount "79"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. 0-0 Be7 8. Bg5 0-0 9. Qe2 Nxe4 10. Bxe7 Nxc3 11. Bxd8 Nxe2+ 12. Bxe2 Rxd8 13. f4 Nc6 14. Rad1 Nxd4 15. Rxd4 b5 16. Rfd1 d5 17. c4 bxc4 18. Rxc4 Bb7 19. Rb4 Bc6 20. Rc1 Bb5 21. Bxb5 axb5 22. a3 Rab8 23. Rc5 d4 24. Kf2 d3 25. Ke1 Rbc8 26. Rbxb5 h6 27. Kd2 Ra8 28. Rc3 Rd4 29. g3 Rad8 30. Rbb3 g5 31. fxg5 hxg5 32. Rxd3 f5 33. a4 f4 34. gxf4 gxf4 35. a5 e5 36. a6 e4 37. Rxd4 Rxd4+ 38. Ke2 Ra4 39. Ra3 Rd4 40. a7 1-0

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.13"]
[Round "8"]
[White "Hijweegen, Claudia"]
[Black "Ten Katen, Koen"]
[Result "1/2-1/2"]
[ECO "B84"]
[PlyCount "64"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Be2 Qc7 8. Qd2 Be7 9. 0-0-0 b5 10. a3 Bb7 11. Bd3 Nbd7 12. f4 Nc5 13. Qe2 Rc8 14. Bf2 Qa5 15. Nf3 Na4 16. Nxa4 Qxa4 17. Bd4 0-0 18. Rhf1 Rc7 19. Kb1 Rfc8 20. Bb6 Rc6 21. Bd4 Ba8 22. g3 d5 23. e5 Ne4 24. Rg1 b4 25. axb4 Qxb4 26. Qe1 Qa4 27. b3 Qa3 28. Bb2 Nc3+ 29. Qxc3 Rxc3 30. Bxa3 Bxa3 31. Bxa6 R8c6 32. Bd3 Bc5 1/2-1/2

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.12"]
[Round "6"]
[White "Hijweegen, Claudia"]
[Black "Ondersteijn, Niels"]
[Result "0-1"]
[ECO "B73"]
[PlyCount "54"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 d6 8. 0-0 0-0 9. Kh1 Bd7 10. f4 Rc8 11. a3 Na5 12. g4 Rxc3 13. bxc3 Nxe4 14. Qe1 Qc7 15. Bd2 Nxd2 16. Qxd2 e5 17. fxe5 dxe5 18. Nb3 Rd8 19. Qe3 f5 20. Rac1 Nc4 21. Qxa7 Bh6 22. Qc5 Bc6+ 23. Bf3 Bxf3+ 24. Rxf3 Qxc5 25. Nxc5 Bxc1 26. gxf5 Rd1+ 27. Kg2 Ne3+ 0-1

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.11"]
[Round "5"]
[White "De Glopper, Maarten"]
[Black "Hijweegen, Claudia"]
[Result "1/2-1/2"]
[ECO "B85"]
[PlyCount "51"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e6 7. Be2 Be7 8. 0-0 0-0 9. Kh1 Qc7 10. f4 Nc6 11. Be3 Bd7 12. Bd3 Nxd4 13. Bxd4 e5 14. Be3 exf4 15. Bxf4 Be6 16. Qf3 Rfd8 17. Nd5 Bxd5 18. exd5 Qb6 19. b3 Re8 20. Bg5 Qd4 21. Rad1 Qg4 22. Bxf6 Qxf3 23. Rxf3 Bxf6 24. Rdf1 Re5 25. Rh3 h6 26. Rg3 1/2-1/2

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.11"]
[Round "4"]
[White "Hijweegen, Claudia"]
[Black "Plukkel, Sjoerd"]
[Result "0-1"]
[ECO "B45"]
[PlyCount "64"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 Bb4 7. Nxc6 bxc6 8. Qd3 Qa5 9. Bd2 0-0 10. Qf3 d5 11. exd5 exd5 12. Qd1 Re8+ 13. Ne2 Ng4 14. a3 Bxd2+ 15. Qxd2 Qb6 16. Qf4 Qxb2 17. Rd1 Qxa3 18. h3 Ne5 19. f3 Ba6 20. Qd4 Bxe2 21. Bxe2 Re6 22. 0-0 Nd7 23. Bd3 Qc5 24. Qxc5 Nxc5 25. Ra1 Kf8 26. Kf2 a5 27. Ra2 Re7 28. Rb1 Nxd3+ 29. cxd3 Rea7 30. Rb6 Ra6 31. Rb1 a4 32. Ke3 c5 0-1

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.10"]
[Round "2"]
[White "Hijweegen, Claudia"]
[Black "Van Beek, Guido"]
[Result "1/2-1/2"]
[ECO "B85"]
[PlyCount "102"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7 7. Be3 0-0 8. 0-0 Nc6 9. Kh1 a6 10. a4 Qc7 11. f4 Rd8 12. Qe1 Nxd4 13. Bxd4 e5 14. Be3 exf4 15. Rxf4 Be6 16. Bd3 Ng4 17. Bd2 Ne5 18. Rc1 Rac8 19. Rf1 Qb6 20. Rb1 Bf6 21. Qe2 Nc4 22. Nd5 Bxd5 23. exd5 Re8 24. Qd1 Nxd2 25. Qxd2 Re3 26. Qf2 Rce8 27. Rbe1 Qd4 28. Rxe3 Qxe3 29. Qxe3 Rxe3 30. b3 Bc3 31. g3 g6 32. Kg2 Kg7 33. Rf3 Rxf3 34. Kxf3 f5 35. h3 Kf6 36. g4 fxg4+ 37. hxg4 Ke5 38. Bc4 h5 39. gxh5 gxh5 40. Kg3 Be1+ 41. Kh3 Kd4 42. Kg2 Ke3 43. Bd3 Kf4 44. Kh3 Kf3 45. Bc4 Ke4 46. Kg2 Kd4 47. Kh3 Ke5 48. Kg2 b5 49. axb5 a5 50. Bd3 Kxd5 51. Kh3 Kc5 1/2-1/2

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.10"]
[Round "3"]
[White "Jellema, Yme Jan"]
[Black "Hijweegen, Claudia"]
[Result "0-1"]
[ECO "B86"]
[PlyCount "76"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 Be7 7. Be3 0-0 8. 0-0 a6 9. a4 Qc7 10. Bd3 Nc6 11. Nb3 Rd8 12. a5 Qd7 13. Na4 Rb8 14. Bb6 Rf8 15. f4 e5 16. fxe5 dxe5 17. Qe2 Qg4 18. Bc7 Qxe2 19. Bxe2 Ra8 20. Nb6 Ra7 21. Nd2 Be6 22. Rxf6 Bxf6 23. Nd5 Raa8 24. Nc4 Rac8 25. Ncb6 Bxd5 26. Nxc8 Rxc8 27. exd5 Nd4 28. d6 Nxe2+ 29. Kf2 Nd4 30. Rd1 h6 31. c4 Ne6 32. Bb6 Rxc4 33. d7 Rc2+ 34. Kg3 Rxb2 35. d8Q+ Bxd8 36. Bxd8 Nxd8 37. Rxd8+ Kh7 38. Rd7 Kg6 0-1

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.09"]
[Round "1"]
[White "Slaman, Gertjan"]
[Black "Hijweegen, Claudia"]
[Result "0-1"]
[ECO "B52"]
[PlyCount "66"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. Nc3 Ngf6 6. d3 g6 7. 0-0 Bg7 8. Bg5 e6 9. Nb5 Qb6 10. a4 0-0 11. Ra2 a6 12. Nc3 Qc6 13. Re1 b5 14. axb5 axb5 15. Rxa8 Rxa8 16. Ne2 Ne8 17. c3 d5 18. exd5 exd5 19. d4 c4 20. Be7 Nc7 21. Ba3 Na6 22. b4 cxb3 23. Qxb3 Rb8 24. Ne5 Nxe5 25. dxe5 Bxe5 26. Nd4 Bxd4 27. cxd4 Qc4 28. Qe3 Qc6 29. Qe5 Rc8 30. h3 Qd7 31. Bc1 Qe6 32. Qxe6 fxe6 33. Rxe6 Rxc1+ 0-1

[Event "NED-ch U16 Girls"]
[Site "Leiden"]
[Date "1999.05.08"]
[Round "9"]
[White "Bauerhuit, Monique"]
[Black "Hijweegen, Claudia"]
[Result "1/2-1/2"]
[ECO "B92"]
[PlyCount "42"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 Be6 8. 0-0 Be7 9. Be3 Nc6 10. Nd2 d5 11. exd5 Nxd5 12. Nxd5 Bxd5 13. Nc4 Be6 14. f4 exf4 15. Bxf4 Qd4+ 16. Be3 Qxd1 17. Raxd1 0-0 18. b3 Rac8 19. Nd6 Rc7 20. Bf3 Bxd6 21. Rxd6 Rd7 1/2-1/2

[Event "NED-ch U16 Girls"]
[Site "Leiden"]
[Date "1999.05.07"]
[Round "8"]
[White "Hania, Renske"]
[Black "Hijweegen, Claudia"]
[Result "1/2-1/2"]
[ECO "E32"]
[PlyCount "64"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Bxc3+ 5. bxc3 d5 6. Bg5 0-0 7. e3 b6 8. cxd5 exd5 9. Nf3 Bb7 10. c4 Nbd7 11. Bd3 h6 12. Bh4 Rc8 13. cxd5 g5 14. Bg3 Bxd5 15. h4 g4 16. Ne5 Bxg2 17. Rg1 Bb7 18. Nxd7 Nxd7 19. Bf5 h5 20. Bh7+ Kg7 21. Bf5 c5 22. dxc5 Rxc5 23. Qb2+ Qf6 24. Qxf6+ Nxf6 25. Bd3 Rfc8 26. Rd1 Bd5 27. Ba6 Re8 28. Be2 a5 29. f3 Bxf3 30. Bxf3 Rxe3+ 31. Be2 Rc2 32. Rd2 Rc1+ 1/2-1/2

[Event "NED-ch U16 Girls"]
[Site "Leiden"]
[Date "1999.05.07"]
[Round "7"]
[White "Hijweegen, Claudia"]
[Black "De Smet, Mariska"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "56"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nc3 d6 6. h3 Be6 7. Bb3 0-0 8. Be3 d5 9. d4 exd4 10. exd5 dxe3 11. dxe6 exf2+ 12. Kxf2 Bc5+ 13. Kf1 fxe6 14. Bxe6+ Kh8 15. Na4 Qxd1+ 16. Rxd1 Bd6 17. Bd5 Nh5 18. Kf2 Rae8 19. g4 Nf4 20. Bxc6 bxc6 21. h4 Re2+ 22. Kg1 Rxc2 23. Rd2 Rc1+ 24. Kh2 Nd5+ 25. Kg2 Rxh1 26. Kxh1 Rxf3 27. Re2 Ne3 28. Re1 Rh3+ 0-1

[Event "NED-ch U16 Girls"]
[Site "Leiden"]
[Date "1999.05.06"]
[Round "6"]
[White "Veenstra, Petra"]
[Black "Hijweegen, Claudia"]
[Result "1-0"]
[ECO "B92"]
[PlyCount "121"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 Be6 8. 0-0 Be7 9. h3 Nc6 10. Bg5 0-0 11. Bxf6 Bxf6 12. Nd5 Bxd5 13. Qxd5 Qc7 14. c3 Be7 15. Ne1 Rab8 16. Nc2 Qb6 17. Rab1 Qc7 18. Ne3 g6 19. Qd3 Qa5 20. a3 Rfe8 21. Bd1 Kg7 22. Bb3 Qb5 23. Qxb5 axb5 24. Nd5 Bd8 25. Rfd1 Rc8 26. Nb4 Nxb4 27. axb4 Rc6 28. Rd5 Rb6 29. Bc2 Rc6 30. Rxb5 Re7 31. Rd5 Re6 32. Re1 Be7 33. Bb3 Rf6 34. Rb5 Rc7 35. Bd5 b6 36. Rxb6 Ra7 37. Rb7 Rxb7 38. Bxb7 Bd8 39. Bd5 Bb6 40. Re2 g5 41. g3 Rf3 42. Kg2 Rf6 43. f3 h5 44. b5 Rh6 45. Rc2 Rh8 46. Bc6 Rc8 47. Rd2 Rd8 48. b4 Kf6 49. Ra2 Rb8 50. Rc2 Ke7 51. Kf1 Ke6 52. Ke2 f5 53. exf5+ Kxf5 54. Bd7+ Kf6 55. c4 Rd8 56. Bc6 Rc8 57. c5 dxc5 58. bxc5 Ba7 59. b6 Rxc6 60. bxa7 Ra6 61. c6 1-0

[Event "NED-ch U16 Girls"]
[Site "Leiden"]
[Date "1999.05.05"]
[Round "5"]
[White "Hijweegen, Claudia"]
[Black "Arcilla, Maris"]
[Result "1/2-1/2"]
[ECO "B12"]
[PlyCount "50"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Nf3 Qa5+ 7. Nbd2 Qa6 8. Qxa6 Nxa6 9. c3 Nh6 10. Nb3 Nf5 11. 0-0 Be7 12. Be3 Kd7 13. Rfe1 h5 14. Bg5 Rac8 15. Rac1 Rc7 16. Bxe7 Kxe7 17. Kf1 Rhc8 18. Ke2 c5 19. h3 h4 20. Red1 b5 21. a3 Rb8 22. Rd2 b4 23. cxb4 cxb4 24. Rxc7+ Nxc7 25. Nc5 bxa3 1/2-1/2

[Event "NED-ch U16 Girls"]
[Site "Leiden"]
[Date "1999.05.05"]
[Round "4"]
[White "Van Houten, Myrette"]
[Black "Hijweegen, Claudia"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "96"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e5 7. Nf3 Nc6 8. Ng5 Be6 9. Bxe6 fxe6 10. Nxe6 Qd7 11. Nd5 Rb8 12. f3 h6 13. g4 Kf7 14. Nec7 Rc8 15. Nxf6 Qxc7 16. Nd5 Qd8 17. h4 Be7 18. Nxe7 Qxe7 19. f4 exf4 20. Qd5+ Ke8 21. Bxf4 Nb4 22. Qh5+ Qf7 23. Qxf7+ Kxf7 24. Kd1 Nxc2 25. Rc1 Nb4 26. a3 Nd3 27. Rxc8 Rxc8 28. Rf1 Nxb2+ 29. Ke2 Rc2+ 30. Bd2+ Ke6 31. Ke1 Nc4 32. Bf4 Ra2 33. Rf3 Rxa3 34. Rf2 Ra1+ 35. Ke2 Ra2+ 36. Kf3 Rxf2+ 37. Kxf2 d5 38. exd5+ Kxd5 39. g5 hxg5 40. Bxg5 g6 41. Ke2 b5 42. Kd3 Ne5+ 43. Kc3 Nf3 44. Be7 Ne5 45. Bg5 Nc6 46. Be3 a5 47. Bb6 a4 48. Be3 b4+ 0-1

[Event "NED-ch U16 Girls"]
[Site "Leiden"]
[Date "1999.05.04"]
[Round "3"]
[White "Hijweegen, Claudia"]
[Black "Van Neijhof, Kim"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "119"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 Bg4 6. 0-0 Nc6 7. h3 Bxf3 8. Bxf3 e5 9. d5 Ne7 10. Re1 0-0 11. Qd3 Nd7 12. Nb5 f5 13. c4 f4 14. Bd2 g5 15. g3 Ng6 16. g4 Nh4 17. b3 Nc5 18. Qe2 a5 19. b4 axb4 20. Bxb4 Na6 21. Bc3 Nc5 22. Bb4 Na4 23. a3 c6 24. dxc6 bxc6 25. Nc3 Nxc3 26. Bxc3 c5 27. Red1 Qc7 28. Rd2 Rfd8 29. Bg2 Nxg2 30. Kxg2 Qc6 31. f3 Ra4 32. Bb2 Rb8 33. Rad1 Bf8 34. Qd3 Rd8 35. Bxe5 Raa8 36. Qc3 Qc7 37. Bf6 Be7 38. Bxe7 Qxe7 39. Rd5 Ra6 40. Rf5 Rda8 41. Qf6 Qxf6 42. Rxf6 Rxa3 43. Rfxd6 Ra2+ 44. R6d2 R8a4 45. Rxa2 Rxa2+ 46. Kg1 Ra3 47. Kf2 Ra2+ 48. Ke1 Ra3 49. Ke2 Ra2+ 50. Rd2 Rxd2+ 51. Kxd2 Kf7 52. Kc3 Ke7 53. Kb3 Kd6 54. Ka4 Ke5 55. Kb5 Kd4 56. e5 Kxe5 57. Kxc5 Ke6 58. Kc6 Ke5 59. c5 Ke6 60. Kb7 1-0

