[Event "Ghent Taminco op 32nd"]
[Site "Ghent"]
[Date "2009.07.18"]
[Round "1"]
[White "Dgebuadze, Alexandre"]
[Black "Nieuwenbroek, Mark"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2516"]
[PlyCount "75"]
[EventDate "2009.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. Be2 c6 6. 0-0 Bg4 7. b4 Qc7 8. b5 e6 9. h3 Bh5 10. Nd4 Bxe2 11. Qxe2 a6 12. bxa6 Rxa6 13. Re1 Be7 14. Bb2 0-0 15. a4 Nbd7 16. Nf5 Bc5 17. Ne3 Qf4 18. Rab1 Rfa8 19. Ba1 b6 20. Qf1 h6 21. g3 Qc7 22. Qc4 Qd6 23. Kg2 Bd4 24. Qd3 Ne5 25. Qe2 Ned7 26. Qd3 Ne5 27. Qe2 Ned7 28. Ng4 Bxc3 29. Bxc3 Rxa4 30. Bxf6 gxf6 31. Nxh6+ Kg7 32. Ng4 c5 33. d3 Ra2 34. Kh1 Rh8 35. h4 Ra4 36. Ne3 Ne5 37. f4 Nd7 38. Nc4 1-0

[Event "Ghent Taminco op 31st"]
[Site "Ghent"]
[Date "2008.07.22"]
[Round "7"]
[White "Van den Berg, Bram"]
[Black "Nieuwenbroek, Mark"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2204"]
[PlyCount "58"]
[EventDate "2008.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 125 Extra"]
[Source "ChessBase"]
[SourceDate "2008.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2008.09.01"]
[SourceQuality "1"]

1. e4 d5 2. d4 dxe4 3. Nc3 e5 4. Qh5 Nf6 5. Qxe5+ Qe7 6. Bg5 c6 7. Bxf6 gxf6 8. Qxe7+ Bxe7 9. Nxe4 Be6 10. Ne2 Nd7 11. Nf4 Nb6 12. Nxe6 fxe6 13. 0-0-0 0-0-0 14. c3 Rhg8 15. g3 e5 16. Bh3+ Kc7 17. dxe5 fxe5 18. Rhe1 Rxd1+ 19. Rxd1 Rd8 20. Rxd8 Kxd8 21. Be6 Nd7 22. Bxd7 Kxd7 23. Kd2 Ke6 24. g4 h6 25. Kd3 b6 26. Ng3 Bg5 27. Nf5 Bc1 28. b3 a5 29. Ke4 b5 1-0

[Event "Ghent op"]
[Site "Ghent"]
[Date "2007.07.14"]
[Round "1"]
[White "Dutreeuw, Marc"]
[Black "Nieuwenbroek, Mark"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2398"]
[PlyCount "89"]
[EventDate "2007.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 119 Extra"]
[Source "ChessBase"]
[SourceDate "2007.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.09.04"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bd2 c6 6. Bd3 Bg4 7. f3 Bh5 8. Nge2 e6 9. Nf4 Bg6 10. Nxg6 hxg6 11. Ne2 Qc7 12. g3 Bd6 13. c3 Nbd7 14. Qc2 0-0-0 15. 0-0-0 Rh7 16. Rdg1 Rdh8 17. h4 Nh5 18. f4 Nhf6 19. Re1 Ng4 20. Rhf1 Nh2 21. Rf2 Ng4 22. Rff1 Nh2 23. Rf2 Ng4 24. Rg2 Ndf6 25. Ng1 Re8 26. Nf3 Rhh8 27. Ne5 Bxe5 28. fxe5 Nd5 29. Qd1 Nh6 30. g4 Qe7 31. Rh2 Kb8 32. Kb1 Reg8 33. Qe2 Qe8 34. Rf2 Rf8 35. Ref1 Ka8 36. a3 Ne7 37. Ka2 Kb8 38. Be4 Nhg8 39. Bg5 f5 40. exf6 gxf6 41. Bxf6 Nxf6 42. Rxf6 Rxf6 43. Qh2+ Kc8 44. Rxf6 Kd7 45. Qe5 1-0

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.12"]
[Round "9"]
[White "Nieuwenbroek, Mark"]
[Black "Lui, Kachun"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "100"]
[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. Bd3 Qf6 5. c3 Bd6 6. Qf3 c6 7. Be3 h5 8. h3 Be6 9. Nd2 Nd7 10. Ne2 Ne7 11. 0-0-0 0-0-0 12. Qxf6 gxf6 13. Nf4 Rdg8 14. Rdg1 Bf5 15. Be2 h4 16. Bf3 Ng6 17. Nxg6 fxg6 18. g4 hxg3 19. fxg3 Rxh3 20. g4 Rxh1 21. Rxh1 Be6 22. Rh7 Nf8 23. Rh1 Rg7 24. g5 f5 25. Bg2 Rh7 26. Nf3 f4 27. Bd2 Bg4 28. Re1 Ne6 29. Ne5 Bxe5 30. Rxe5 Kd7 31. Re1 Rh2 32. Bf1 f3 33. Bd3 f2 34. Rf1 Rg2 35. Kc2 Bf5 36. Bxf5 gxf5 37. Be3 f4 38. Rxf2 Rxf2+ 39. Bxf2 Nxg5 40. Kd3 Ke6 41. b3 Ne4 42. Bh4 Kf5 43. c4 Kg4 44. Be1 Kf3 45. a4 Kg2 46. cxd5 cxd5 47. b4 f3 48. Ke3 f2 49. Bxf2 Nxf2 50. Kf4 Nd3+ 0-1

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.11"]
[Round "8"]
[White "Buitelaar, Jacob"]
[Black "Nieuwenbroek, Mark"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "85"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. Qd2 Bd7 9. f3 0-0 10. g4 a6 11. h4 h5 12. gxh5 Nxh5 13. Nxc6 Bxc6 14. Bh6 Qa5 15. Rg1 Qb6 16. 0-0-0 Bb5 17. Nd5 Qd8 18. c4 Rc8 19. Bxg7 Kxg7 20. b3 Bd7 21. Qg5 Nf6 22. h5 Nxd5 23. exd5 e5 24. dxe6 Qxg5+ 25. Rxg5 Bxe6 26. hxg6 fxg6 27. Rxd6 Bf5 28. Bd3 Bxd3 29. Rxd3 Rc6 30. Kd2 Rcf6 31. Ke2 R8f7 32. Rgd5 Re6+ 33. Kf2 Rfe7 34. Rd2 Kf6 35. Rd6 Rxd6 36. Rxd6+ Kf5 37. Rb6 g5 38. Kg3 Rg7 39. Rd6 Rh7 40. c5 Rc7 41. Rd5+ Kf6 42. Kg4 Rg7 43. Rf5+ 1-0

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.11"]
[Round "7"]
[White "Nieuwenbroek, Mark"]
[Black "Versmissen, Jorie"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "128"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 Bg4 6. Nge2 e6 7. 0-0 c6 8. a3 Bd6 9. Qd2 Qh5 10. Ng3 Bxg3 11. fxg3 Bf5 12. Bd3 Bxd3 13. Qxd3 Nbd7 14. Bf4 0-0 15. Qf3 Qg6 16. Rf2 Rac8 17. Re1 Rfd8 18. Ne4 Nxe4 19. Qxe4 Qxe4 20. Rxe4 Nf6 21. Re1 Rxd4 22. Be5 Re4 23. Bc3 Rxe1+ 24. Bxe1 Rd8 25. Rd2 Rxd2 26. Bxd2 Ne4 27. Be3 a6 28. Kf1 e5 29. Ke2 f5 30. Bb6 Kf7 31. Bc7 Ke6 32. Ba5 Kd5 33. Bc7 Nd6 34. b3 Ne4 35. Ba5 c5 36. Ke3 Nf6 37. h3 b5 38. Bc3 Ne4 39. Be1 c4 40. h4 Nc5 41. b4 Ne6 42. c3 g5 43. Kf3 e4+ 44. Ke3 f4+ 45. gxf4 gxf4+ 46. Ke2 h5 47. Bf2 Ke5 48. g3 Kf5 49. gxf4 Nxf4+ 50. Ke3 Nd3 51. Bg3 Kg4 52. Bc7 Kxh4 53. Kxe4 Kg4 54. Kd5 h4 55. Bh2 Nf4+ 56. Kc6 Ne2 57. Kb6 Kh3 58. Be5 Kg4 59. Kxa6 Ng3 60. Bd4 Ne2 61. Be5 h3 62. Bh2 Nxc3 63. Be5 Ne4 64. Kxb5 c3 0-1

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.09"]
[Round "5"]
[White "Nieuwenbroek, Mark"]
[Black "Groenhuis, Vincent"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "90"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. c4 Be7 10. Be2 0-0 11. 0-0 a6 12. Nc3 f5 13. Bd2 Nd7 14. b4 b6 15. Qb3 Bb7 16. a3 Rc8 17. Rab1 Kh8 18. f4 e4 19. Be3 Bf6 20. Rbc1 g5 21. Na4 gxf4 22. Bxf4 Bd4+ 23. Kh1 Qf6 24. c5 dxc5 25. bxc5 Bxc5 26. Nxc5 Nxc5 27. Qg3 Qg6 28. Be5+ Kg8 29. Bc4 Kf7 30. Rxf5+ Qxf5 31. Rf1 Qxf1+ 32. Bxf1 Bxd5 33. Be2 Ne6 34. Bh5+ Ke7 35. Bd6+ Kd7 36. h3 Rg8 37. Bg4 h5 38. Bb4 Rc6 39. Bxe6+ Bxe6 40. Qh4 a5 41. Qe7+ Kc8 42. Bd2 e3 43. Bxe3 Bd5 44. Bg5 Rc2 45. h4 Rxg2 0-1

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.09"]
[Round "4"]
[White "Nieuwenbroek, Mark"]
[Black "Kranenburg, Leo"]
[Result "1/2-1/2"]
[ECO "B03"]
[PlyCount "122"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. a3 e6 9. Nf3 Be7 10. Nc3 0-0 11. Be2 f6 12. exf6 Bxf6 13. Qd2 Bg4 14. 0-0 Bxf3 15. Rxf3 Nxd4 16. Bxd4 Qxd4+ 17. Qxd4 Bxd4+ 18. Kf1 Rxf3+ 19. gxf3 c5 20. Rc1 a6 21. Rc2 Rd8 22. Ne4 h6 23. Rd2 Nd7 24. b4 b6 25. Kg2 e5 26. Kg3 Ra8 27. Bf1 Nf6 28. Bd3 Be3 29. Nxf6+ gxf6 30. Rb2 cxb4 31. axb4 Rd8 32. Rb3 Bd4 33. h3 Kg7 34. Ra3 Ra8 35. c5 bxc5 36. bxc5 Bxc5 37. Rxa6 Rd8 38. Bf1 Be3 39. Ra2 Kh7 40. Kh2 Rd1 41. Be2 Rd7 42. Rc2 Bf4+ 43. Kh1 Kg6 44. Bb5 Rd8 45. Be2 Kh5 46. Bc4 Kh4 47. Be6 Rf8 48. Bd7 f5 49. Kg2 Be3 50. Rc4+ Kg5 51. Ba4 f4 52. Re4 Bd4 53. Bd7 Rb8 54. Re2 Rb1 55. Kh2 Rb3 56. Bc6 Kf6 57. Be4 Rc3 58. Rg2 Ra3 59. Rg6+ Kf7 60. Rg2 Ra6 61. Rc2 Rb6 1/2-1/2

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.08"]
[Round "3"]
[White "Brokken, Dennis"]
[Black "Nieuwenbroek, Mark"]
[Result "1/2-1/2"]
[ECO "B71"]
[PlyCount "52"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 dxe5 9. Qxd8+ Kxd8 10. fxe5 Nd5 11. Nxd5 cxd5 12. Bg5 h6 13. Bh4 g5 14. Bg3 Bf5 15. 0-0-0 e6 16. Bd3 Bg4 17. Rdf1 Ke7 18. h3 Bh5 19. h4 Bg7 20. Rf2 f5 21. exf6+ Bxf6 22. Bd6+ Kxd6 23. Rxf6 Bg4 24. Rg6 Bh5 25. Rf6 Bg4 26. Rg6 Bh5 1/2-1/2

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.08"]
[Round "2"]
[White "Nieuwenbroek, Mark"]
[Black "Sparenberg, Erik"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "150"]
[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. Bd3 Be7 5. Bf4 Nf6 6. Nf3 Bg4 7. Nbd2 Nbd7 8. c3 Bh5 9. 0-0 Bg6 10. Qe2 Bxd3 11. Qxd3 0-0 12. Rfe1 Re8 13. Re2 Nh5 14. Bg3 Nxg3 15. fxg3 Nf6 16. Qb5 Bd6 17. Rae1 Rxe2 18. Rxe2 Qc8 19. Qd3 Qd7 20. b3 Re8 21. Rxe8+ Qxe8 22. Kf1 Ng4 23. Qe2 Qe3 24. Qxe3 Nxe3+ 25. Ke2 Ng4 26. Kd3 c6 27. c4 Kf8 28. cxd5 cxd5 29. Nb1 Nf2+ 30. Kc2 Ne4 31. Nc3 Nxc3 32. Kxc3 Ke7 33. Kd3 h6 34. Ke3 Ke6 35. Ne1 f5 36. Nd3 b6 37. Kf3 g5 38. h3 Be7 39. Ke3 Bf6 40. Nf2 Kd6 41. Kd3 Kc6 42. g4 f4 43. Nd1 Be7 44. Kc3 Kb5 45. Nf2 Bb4+ 46. Kc2 Bd6 47. Kc3 Kc6 48. Nd3 a5 49. Ne5+ Bxe5 50. dxe5 Kc5 51. Kd3 b5 52. a3 Kb6 53. Kd4 Kc6 54. e6 Kd6 55. e7 Kxe7 56. Kxd5 Kd7 57. Kc5 Ke6 58. Kxb5 Ke5 59. Kxa5 Ke4 60. b4 Ke3 61. b5 Kf2 62. b6 Kxg2 63. b7 f3 64. b8Q f2 65. Qb2 Kg1 66. Qd4 Kg2 67. Qd2 Kg1 68. Qe3 Kg2 69. Qxf2+ Kxf2 70. Kb5 Kg3 71. a4 Kxh3 72. a5 Kxg4 73. a6 Kh3 74. a7 g4 75. a8Q h5 1-0

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.07"]
[Round "1"]
[White "Van Zutphen, Jimmy"]
[Black "Nieuwenbroek, Mark"]
[Result "1-0"]
[ECO "B71"]
[PlyCount "19"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Bg7 7. e5 dxe5 8. fxe5 Ng4 9. Bb5+ Kf8 10. Ne6+ 1-0

[Event "NED U20 op"]
[Site "Hengelo"]
[Date "1999.08.14"]
[Round "9"]
[White "Mahabali, P."]
[Black "Nieuwenbroek, Mark"]
[Result "1/2-1/2"]
[ECO "B72"]
[PlyCount "49"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 071 Extra"]
[Source "ChessBase"]
[SourceDate "1999.09.14"]
[SourceVersion "1"]
[SourceVersionDate "1999.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bd3 0-0 8. 0-0 Bd7 9. Qd2 Ng4 10. Nde2 Nxe3 11. Qxe3 Nc6 12. a3 a6 13. f4 b5 14. b4 Rc8 15. Rad1 Bg4 16. e5 Qc7 17. Nd5 Qb7 18. Be4 Kh8 19. h3 Bxe2 20. Qxe2 Qa7+ 21. Qe3 Qxe3+ 22. Nxe3 dxe5 23. f5 Nd4 24. fxg6 hxg6 25. Nd5 1/2-1/2

[Event "NED U20 op"]
[Site "Hengelo"]
[Date "1999.08.13"]
[Round "8"]
[White "Nieuwenbroek, Mark"]
[Black "Huistra, Heikel"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "90"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 071 Extra"]
[Source "ChessBase"]
[SourceDate "1999.09.14"]
[SourceVersion "1"]
[SourceVersionDate "1999.09.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c3 Bf5 5. Bd3 Bg6 6. Nf3 Nc6 7. 0-0 e6 8. Bf4 Nf6 9. Re1 Be7 10. Bc2 Qb6 11. Bxg6 hxg6 12. Qb3 Qxb3 13. axb3 Ne4 14. Nbd2 Nxd2 15. Nxd2 g5 16. Bg3 Kd7 17. b4 f5 18. b5 Nd8 19. Be5 Rh7 20. Ra2 Nf7 21. Rea1 Nxe5 22. dxe5 Bc5 23. b4 Bb6 24. Nf1 Rc8 25. Rc2 f4 26. g3 g6 27. Rd1 Ke7 28. Rd3 fxg3 29. Rxg3 Rh5 30. Rg4 Rh4 31. Rxg5 Rxb4 32. Rxg6 Rxb5 33. Rg7+ Ke8 34. h4 d4 35. Rg8+ Kd7 36. Rxc8 Kxc8 37. cxd4+ Kd7 38. Rd2 Rd5 39. Ne3 Rxd4 40. Rxd4+ Bxd4 41. Ng4 a5 42. h5 Ke7 43. h6 Kf7 44. Kf1 a4 45. f4 a3 0-1

[Event "NED U20 op"]
[Site "Hengelo"]
[Date "1999.08.13"]
[Round "7"]
[White "Stiepel, Hannes"]
[Black "Nieuwenbroek, Mark"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "51"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 071 Extra"]
[Source "ChessBase"]
[SourceDate "1999.09.14"]
[SourceVersion "1"]
[SourceVersionDate "1999.09.14"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d3 c6 5. Bd2 Qc7 6. Nf3 Bg4 7. h3 Bh5 8. Be2 Nf6 9. 0-0 e6 10. Re1 Bd6 11. Nd4 Bxe2 12. Qxe2 0-0 13. Ne4 Nbd7 14. Nxd6 Qxd6 15. Nf3 Nd5 16. Ng5 N7f6 17. Qf3 h6 18. Ne4 Nxe4 19. Rxe4 Ne7 20. Rae1 c5 21. Rg4 Ng6 22. h4 Kh8 23. h5 Ne7 24. Bxh6 Nf5 25. Bxg7+ Nxg7 26. Qf6 1-0

[Event "NED U20 op"]
[Site "Hengelo"]
[Date "1999.08.12"]
[Round "6"]
[White "Nieuwenbroek, Mark"]
[Black "Pouw, Pieter"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "72"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 071 Extra"]
[Source "ChessBase"]
[SourceDate "1999.09.14"]
[SourceVersion "1"]
[SourceVersionDate "1999.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Bg5 h6 7. Nxc6 bxc6 8. Bd2 0-0 9. Bd3 d5 10. 0-0 Bxc3 11. Bxc3 Nxe4 12. Bxe4 dxe4 13. Re1 Bf5 14. Qxd8 Raxd8 15. Rad1 Rd5 16. Rd4 Rfd8 17. Red1 e3 18. fxe3 Bxc2 19. R1d2 Bb1 20. a3 f5 21. Kf2 Be4 22. g3 g5 23. Rd1 Kf7 24. R1d2 h5 25. Rd1 Ke6 26. Ke2 R8d7 27. Rg1 g4 28. Re1 Kf7 29. Kf2 Kg6 30. Red1 Kg5 31. Rxd5 cxd5 32. Bd4 a6 33. Rc1 Bd3 34. Rc6 Bb5 35. Rf6 c5 36. Be5 Re7 0-1

[Event "NED U20 op"]
[Site "Hengelo"]
[Date "1999.08.11"]
[Round "5"]
[White "Hiemstra, Sebastian"]
[Black "Nieuwenbroek, Mark"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "58"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 071 Extra"]
[Source "ChessBase"]
[SourceDate "1999.09.14"]
[SourceVersion "1"]
[SourceVersionDate "1999.09.14"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. e3 Nf6 4. d4 exd4 5. exd4 d5 6. Nf3 Bg4 7. cxd5 Nxd5 8. Bb5 Bb4 9. Qe2+ Nde7 10. Bxc6+ bxc6 11. a3 Bd6 12. b4 0-0 13. 0-0 Nf5 14. Bg5 Bxf3 15. Bxd8 Bxe2 16. Bxc7 Bxf1 17. Bxd6 Nxd6 18. Kxf1 Nb5 19. Nxb5 cxb5 20. Ke2 Rad8 21. Rd1 Rfe8+ 22. Kf3 h6 23. Kf4 Re2 24. Kf3 Ra2 25. Rd3 Kf8 26. h4 a6 27. g4 Rc8 28. Ke3 Rc1 29. f3 Rca1 0-1

[Event "NED U20 op"]
[Site "Hengelo"]
[Date "1999.08.11"]
[Round "4"]
[White "Nieuwenbroek, Mark"]
[Black "Marsman, O."]
[Result "1/2-1/2"]
[ECO "C45"]
[PlyCount "23"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 071 Extra"]
[Source "ChessBase"]
[SourceDate "1999.09.14"]
[SourceVersion "1"]
[SourceVersionDate "1999.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 b6 6. Bc4 Qf6 7. Qxf6 Nxf6 8. 0-0 Bc5 9. Nc3 0-0 10. e5 Ng4 11. Bf4 Re8 12. Nd5 1/2-1/2

[Event "NED U20 op"]
[Site "Hengelo"]
[Date "1999.08.10"]
[Round "3"]
[White "Kuijvenhoven, Marco"]
[Black "Nieuwenbroek, Mark"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "93"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 071 Extra"]
[Source "ChessBase"]
[SourceDate "1999.09.14"]
[SourceVersion "1"]
[SourceVersionDate "1999.09.14"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 Bf5 4. c4 Qd8 5. Nc3 e6 6. Nf3 Nf6 7. Qb3 Nc6 8. Bg5 Nb4 9. Rc1 Bc2 10. Rxc2 Nxc2+ 11. Qxc2 Be7 12. Bd3 h6 13. Bf4 0-0 14. 0-0 c5 15. dxc5 Bxc5 16. Ne4 Nxe4 17. Bxe4 Qe7 18. Qb3 Bb6 19. Nd2 e5 20. Be3 Bxe3 21. Qxe3 Rac8 22. Bd5 b6 23. Nf3 Rfe8 24. Re1 e4 25. Nd2 Kh8 26. Nb3 f5 27. Nd4 Qf6 28. Qc3 a6 29. Ne2 Qxc3 30. Nxc3 Re7 31. Ne2 b5 32. Nf4 Kh7 33. b3 Rd8 34. g3 g5 35. Ng2 bxc4 36. bxc4 Rb8 37. Ne3 Kg6 38. g4 fxg4 39. Nxg4 Rbe8 40. Rb1 Kf5 41. Ne3+ Ke5 42. Rb6 h5 43. Rxa6 Rg7 44. Ra5 Kf4 45. Be6 Rf8 46. Kf1 Rb7 47. Ng2+ 1-0

[Event "NED U20 op"]
[Site "Hengelo"]
[Date "1999.08.10"]
[Round "2"]
[White "Nieuwenbroek, Mark"]
[Black "Gerritse, Xanthine"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "83"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 071 Extra"]
[Source "ChessBase"]
[SourceDate "1999.09.14"]
[SourceVersion "1"]
[SourceVersionDate "1999.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nc3 Bb4 6. Qd3 Ne5 7. Qe3 Nf6 8. Bd3 0-0 9. Nf5 Qg4 10. Ng3 d5 11. 0-0 Bxc3 12. bxc3 Re8 13. f4 Nxd3 14. cxd3 dxe4 15. dxe4 b6 16. e5 Bb7 17. h3 Qe6 18. exf6 Qxe3+ 19. Bxe3 Rxe3 20. Nf5 Re2 21. Rf2 Rxf2 22. Kxf2 Rd8 23. Re1 Rd2+ 24. Kf1 Ba6+ 25. Kg1 Re2 26. Rd1 Re8 27. Nxg7 Ra8 28. Rd7 c5 29. Nf5 Bc4 30. Nh6+ Kf8 31. Rd2 Ke8 32. Kf2 Rd8 33. Rxd8+ Kxd8 34. a3 Kd7 35. g4 Ke6 36. g5 Bd3 37. h4 Bg6 38. Kf3 Kd5 39. Kg4 Bd3 40. Nxf7 Be2+ 41. Kg3 Kc4 42. Ne5+ 1-0

[Event "NED U20 op"]
[Site "Hengelo"]
[Date "1999.08.09"]
[Round "1"]
[White "Van Dijk, Olger C"]
[Black "Nieuwenbroek, Mark"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "79"]
[EventDate "1999.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 071 Extra"]
[Source "ChessBase"]
[SourceDate "1999.09.14"]
[SourceVersion "1"]
[SourceVersionDate "1999.09.14"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Bg4 6. h3 Bh5 7. Bc4 e6 8. Be3 Bb4 9. Bd2 Qc7 10. 0-0 Nf6 11. Nb5 Qb6 12. Nc7+ Qxc7 13. Bxb4 a5 14. Bc3 Nbd7 15. b3 0-0 16. Re1 Nd5 17. Bb2 Qf4 18. Be2 Bxf3 19. Bxf3 N7f6 20. Re5 Qh4 21. Bc1 h6 22. c4 Ne7 23. Kh2 Nf5 24. Rxf5 exf5 25. g3 Ng4+ 26. Kg2 Qf6 27. hxg4 fxg4 28. Bxg4 Rad8 29. Be3 Qg6 30. Be2 f5 31. Qd3 Qf6 32. Rd1 g5 33. Bc1 Rfe8 34. Rd2 g4 35. Bb2 Qg5 36. Rd1 Re4 37. Qc2 h5 38. Bd3 Ree8 39. Bxf5 Rf8 40. Bh7+ 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Kalb, Jos"]
[Black "Nieuwenbroek, Mark"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "37"]
[EventDate "1998.??.??"]
[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. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Be7 7. 0-0 d6 8. Qe2 Nf6 9. Rd1 Qc7 10. Bf4 e5 11. Bg5 Bg4 12. Bxf6 Bxf6 13. Nb5 Qe7 14. Nxd6+ Kf8 15. Nxf7 Nd4 16. Rxd4 exd4 17. Nxh8 Be6 18. e5 Bxc4 19. Qxc4 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Lahaye, Jordy"]
[Black "Nieuwenbroek, Mark"]
[Result "1-0"]
[ECO "B38"]
[PlyCount "93"]
[EventDate "1998.??.??"]
[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. c4 Nc6 3. Ne2 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 g6 7. Be2 Bg7 8. Be3 Bd7 9. Nb3 0-0 10. f3 b6 11. Qd2 Qc7 12. 0-0 Ne5 13. Rac1 Qb7 14. Rfd1 Rac8 15. Nb1 Be6 16. Na3 Nc6 17. h3 Nd7 18. Na1 a5 19. Nb5 Na7 20. Nd4 Nc5 21. b3 Bd7 22. a3 Ne6 23. Nac2 Nc5 24. b4 axb4 25. axb4 Ne6 26. Nxe6 Bxe6 27. Nd4 Bd7 28. Bd3 b5 29. c5 dxc5 30. bxc5 Rfd8 31. Qb4 Rb8 32. Be2 Bxd4 33. Qxd4 Nc6 34. Qb2 Be6 35. Bf4 Rxd1+ 36. Rxd1 Rc8 37. Rb1 b4 38. g4 f6 39. g5 fxg5 40. Bxg5 Rf8 41. h4 Qc7 42. Kg2 Qa7 43. Be3 Qa3 44. Qd2 b3 45. Bb5 Rd8 46. Qc3 Rc8 47. Bh6 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Molenaar, Joseph"]
[Black "Nieuwenbroek, Mark"]
[Result "1-0"]
[ECO "B73"]
[PlyCount "93"]
[EventDate "1998.??.??"]
[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 g6 6. Be2 Bg7 7. Be3 0-0 8. 0-0 Nc6 9. Qd2 Bd7 10. Rad1 a6 11. f4 b5 12. a3 Rc8 13. h3 Qc7 14. Bf3 Na5 15. Qf2 Nc4 16. Bc1 Nxa3 17. e5 dxe5 18. fxe5 Qxe5 19. Bb7 Rxc3 20. bxc3 Nc4 21. Bxa6 Qc5 22. Bb7 e5 23. Nb3 Qxf2+ 24. Rxf2 Bf5 25. g4 Be4 26. g5 Ng4 27. Bxe4 Nxf2 28. Kxf2 f5 29. gxf6 Bxf6 30. Kg2 Bh4 31. Bd5+ Kg7 32. Rf1 Rxf1 33. Kxf1 Kf6 34. Bxc4 bxc4 35. Nd2 Kf5 36. Nxc4 Ke4 37. Ke2 h5 38. Nd6+ Kd5 39. Ne8 Kc4 40. Bd2 e4 41. Nc7 Bf6 42. Ne6 Be5 43. Ke3 Bxc3 44. Bxc3 Kxc3 45. Nf4 Kxc2 46. Nxg6 Kc3 47. Nf4 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Nieuwenbroek, Mark"]
[Black "Marsman, O."]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "41"]
[EventDate "1998.??.??"]
[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. d3 h6 5. Be3 Bxe3 6. fxe3 Nf6 7. Nc3 0-0 8. 0-0 d6 9. Qe2 Be6 10. Bxe6 fxe6 11. h3 d5 12. exd5 exd5 13. e4 dxe4 14. Nxe4 Nxe4 15. Qxe4 Rf4 16. Qe3 Qf6 17. Nxe5 Rxf1+ 18. Rxf1 Qxe5 19. Qxe5 Nxe5 20. Re1 Re8 21. Kh1 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Nieuwenbroek, Mark"]
[Black "Stiepel, Hannes"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "62"]
[EventDate "1998.??.??"]
[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 Nh6 7. 0-0 Nf5 8. dxc5 Bxc5 9. b4 Be7 10. Bd3 Nh4 11. Bf4 Bd7 12. Nxh4 Bxh4 13. Qg4 Be7 14. Qxg7 0-0-0 15. Bxh7 d4 16. a4 dxc3 17. Nxc3 Qxb4 18. Ne4 Nd4 19. Rab1 Qa5 20. Kh1 Kb8 21. Bd2 Qa6 22. Nd6 Bxd6 23. exd6 Qxd6 24. Bc3 Bc6 25. Rfd1 e5 26. Bxd4 exd4 27. f3 Qf4 28. Rb4 Kc7 29. Rbxd4 Rxd4 30. Qxd4 Qxd4 31. Rxd4 Rxh7 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Nieuwenbroek, Mark"]
[Black "Van der Meulen, Freerk Rinder"]
[Result "0-1"]
[ECO "B48"]
[PlyCount "67"]
[EventDate "1998.??.??"]
[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 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. a4 Nf6 8. Bd3 Bb4 9. Qd2 d5 10. exd5 Nxd5 11. 0-0 Bxc3 12. bxc3 Nxe3 13. Qxe3 0-0 14. f4 Ne7 15. c4 Bd7 16. Rfb1 Bc6 17. Nxc6 Nxc6 18. Qe4 g6 19. Rb2 Rfd8 20. Qe3 Rac8 21. Rab1 Na5 22. Rb4 Qe7 23. Qe2 Rc7 24. Kh1 Rdc8 25. Qe4 Rc5 26. h3 R8c7 27. Kh2 f5 28. Qd4 Nc6 29. Qb2 Nxb4 30. Qxb4 e5 31. fxe5 Qxe5+ 32. Kh1 Qe7 33. Re1 Re5 34. Rxe5 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Tybout, Kees"]
[Black "Nieuwenbroek, Mark"]
[Result "1-0"]
[ECO "D37"]
[PlyCount "49"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf4 Be7 5. e3 0-0 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Nxd5 exd5 11. Bd3 Qa5+ 12. Nd2 Nf6 13. 0-0 Be6 14. a3 Rac8 15. Qe2 Qd8 16. Nf3 Nh5 17. Bxh7+ Kh8 18. Bd3 Nxf4 19. exf4 Bg4 20. h3 Bxf3 21. Qxf3 Qd6 22. Rfe1 Rce8 23. Re5 g6 24. Rce1 Qd7 25. Qe3 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Versmissen, Jorie"]
[Black "Nieuwenbroek, Mark"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "38"]
[EventDate "1998.??.??"]
[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. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 e6 6. Be3 Nf6 7. Bb3 Be7 8. Nf3 d6 9. 0-0 0-0 10. Rc1 Qc7 11. Qe2 Qb8 12. Rfd1 Bd7 13. Bf4 e5 14. Bg5 h6 15. Bxf6 Bxf6 16. Nd5 Bd8 17. Qd2 Bg4 18. Qc3 Ba5 19. Qc4 Kh8 1/2-1/2

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "5"]
[White "Bogers, Tim"]
[Black "Nieuwenbroek, Mark"]
[Result "1/2-1/2"]
[ECO "E87"]
[PlyCount "48"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bd3 e5 7. d5 Nbd7 8. Be3 Ne8 9. Qd2 f6 10. h4 Rf7 11. 0-0-0 c6 12. Bh6 Nc5 13. Bb1 a5 14. g4 a4 15. Bxg7 Rxg7 16. g5 Qe7 17. gxf6 Qxf6 18. Rf1 Rf7 19. Nge2 Ng7 20. f4 Bd7 21. Bc2 a3 22. bxa3 Rxa3 23. Kb2 Ra8 24. fxe5 Qxe5 1/2-1/2

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "3"]
[White "De Groot, Tim"]
[Black "Nieuwenbroek, Mark"]
[Result "1-0"]
[ECO "E93"]
[PlyCount "77"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. e4 0-0 6. Be2 e5 7. d5 Nbd7 8. b4 Ne8 9. Nd2 f5 10. Nb3 f4 11. c5 Ndf6 12. f3 h6 13. a4 Nh5 14. Kd2 Rf7 15. Kc2 Bf8 16. Ba3 Nhf6 17. b5 b6 18. c6 Nh7 19. Bb4 Rg7 20. a5 h5 21. axb6 cxb6 22. Na4 Rb8 23. Be1 Rc7 24. Kb2 Qf6 25. Bf2 Qd8 26. Ra2 Rg7 27. Qa1 Qc7 28. Rc1 g5 29. Nd2 g4 30. Nc4 Ng5 31. Nd2 Nh7 32. Rc3 Ng5 33. Rca3 gxf3 34. Bf1 fxg2 35. Bxg2 Nh3 36. Bxh3 Bxh3 37. Nc3 Ra8 38. Na4 Bg4 39. Nxb6 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "4"]
[White "Nieuwenbroek, Mark"]
[Black "Poffers, Rieke"]
[Result "1/2-1/2"]
[ECO "C41"]
[PlyCount "124"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. Nc3 Bg4 5. h3 Bh5 6. d3 Nf6 7. Be3 Nc6 8. Qd2 a6 9. a3 Qd7 10. 0-0-0 0-0-0 11. Rde1 Rhf8 12. g4 Bg6 13. Nh2 Ng8 14. f4 exf4 15. Bxf4 Ne5 16. Bb3 Qe8 17. Qf2 Kb8 18. Ba4 Nd7 19. Nf3 f6 20. Nd4 Bf7 21. Nf5 Rc8 22. Nxg7 Qd8 23. Bxd7 Qxd7 24. Nf5 Rfe8 25. Nxe7 Rxe7 26. Rhg1 Be6 27. Qd4 Rf7 28. Qa4 Qxa4 29. Nxa4 Ne7 30. Nc3 Nc6 31. Rgf1 Rh8 32. Bh6 Rg8 33. Rg1 Rg6 34. Be3 Rfg7 35. Ref1 Rf7 36. Ne2 Rg8 37. Nf4 Nd8 38. Nh5 Rg6 39. Nf4 Rg8 40. Nxe6 Nxe6 41. Bd2 Rgf8 42. Rf2 Ng5 43. Rg3 Ne6 44. Rg1 Ng5 45. Bxg5 fxg5 46. Rf5 Rxf5 47. exf5 Kc8 48. Re1 Kd7 49. Kd2 h5 50. c4 hxg4 51. hxg4 Rh8 52. Rg1 Rh2+ 53. Kc3 Rh4 54. Rg2 b6 55. d4 Rh3+ 56. Kc2 Rh4 57. Kd3 c6 58. Ke4 Rh7 59. Kd3 Rh3+ 60. Kd2 Rh4 61. Ke2 Rh3 62. Kd2 Rh4 1/2-1/2

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "2"]
[White "Nieuwenbroek, Mark"]
[Black "Snuverink, Laurens"]
[Result "1/2-1/2"]
[ECO "B34"]
[PlyCount "35"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Nc3 Nf6 7. Be2 0-0 8. Qd2 b6 9. 0-0-0 Bb7 10. f3 d6 11. g4 Rc8 12. h4 h5 13. Nxc6 Bxc6 14. g5 Nd7 15. Bd4 Bxd4 16. Qxd4 Ne5 17. f4 Nd7 18. Rhg1 1/2-1/2

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "8"]
[White "Nieuwenbroek, Mark"]
[Black "Van der Kuyl, Alexander"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "35"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. h3 Nf6 6. Be3 Bb6 7. Nc3 0-0 8. Qd2 Be6 9. Bb3 Qd7 10. 0-0 Nh5 11. Kh2 f5 12. exf5 Bxb3 13. axb3 Qxf5 14. Bxb6 axb6 15. Ne2 Rxa1 16. Rxa1 Nf4 17. Nxf4 Qxf4+ 18. Qxf4 1/2-1/2

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "6"]
[White "Nieuwenbroek, Mark"]
[Black "Van der Vegt, Seth"]
[Result "0-1"]
[ECO "B45"]
[PlyCount "84"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Bc4 a6 7. f3 Qc7 8. Bb3 b5 9. Nxc6 dxc6 10. 0-0 Bc5+ 11. Kh1 h5 12. Bg5 Nd7 13. f4 Be7 14. Bxe7 Kxe7 15. f5 e5 16. a4 b4 17. Na2 a5 18. Qd2 f6 19. Nxb4 axb4 20. Qxb4+ Ke8 21. Rad1 c5 22. Qc3 Ba6 23. Rfe1 c4 24. Ba2 Ke7 25. Qg3 Rag8 26. Qa3+ Nc5 27. Rd5 Rc8 28. Red1 Rcd8 29. Rxd8 Rxd8 30. Rxd8 Kxd8 31. Qb4 Qd6 32. h3 Nxe4 33. Qa5+ Ke7 34. Qe1 Qd5 35. Qb4+ Kf7 36. Qb6 Bb7 37. Bxc4 Qxc4 38. Qxb7+ Kg8 39. Qb8+ Kh7 40. Qe8 Qf1+ 41. Kh2 Qxf5 42. a5 h4 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "1"]
[White "Van de Laar, Clement"]
[Black "Nieuwenbroek, Mark"]
[Result "1-0"]
[ECO "E72"]
[PlyCount "57"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. e4 0-0 6. Ne2 e5 7. d5 Nbd7 8. Nbc3 Ne8 9. 0-0 f5 10. f3 Ndf6 11. Be3 Qe7 12. Qd2 Bd7 13. b4 b6 14. Nc1 fxe4 15. Nxe4 Nxe4 16. fxe4 Rxf1+ 17. Bxf1 Nf6 18. Bg2 Rc8 19. Nd3 c6 20. a4 cxd5 21. cxd5 Rc7 22. b5 Be8 23. Nb4 Qd8 24. Nc6 Bxc6 25. dxc6 Bf8 26. a5 Rc8 27. axb6 axb6 28. Ra7 Ra8 29. Qa2+ 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "9"]
[White "Wichhart, Maarten"]
[Black "Nieuwenbroek, Mark"]
[Result "1/2-1/2"]
[ECO "B72"]
[PlyCount "27"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 Bd7 8. 0-0 0-0 9. Qd2 Nc6 10. f4 Ng4 11. Nce2 Nxe3 12. Qxe3 a6 13. c3 Rc8 14. Bb3 1/2-1/2

