[Event "NED-ch op"]
[Site "Netherlands"]
[Date "1992.??.??"]
[Round "2"]
[White "Comp Risc 25"]
[Black "Van Nieuwenhuizen, PR."]
[Result "1-0"]
[ECO "B15"]
[PlyCount "109"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 Be6 8. Nf3 Nd7 9. 0-0 Qc7 10. Bd2 g5 11. h3 h5 12. Re1 0-0-0 13. Kh1 Nb6 14. Qc2 Qd7 15. c4 Bc7 16. c5 Nd5 17. Ng1 Nf4 18. Bxf4 Bxf4 19. Ne2 Bb8 20. Kg1 Qc7 21. Kf1 Qh2 22. f3 g4 23. fxg4 hxg4 24. hxg4 Qh1+ 25. Kf2 Qh4+ 26. Kg1 Qxg4 27. Be4 Rh4 28. Bf3 Qg5 29. Kf2 Rh2 30. Rg1 Re8 31. Qd3 Bf5 32. Qb3 Qh4+ 33. Kf1 Rh1 34. d5 Be4 35. d6 Rxg1+ 36. Kxg1 Bxf3 37. Qxf3 Qc4 38. Qf5+ Qe6 39. Qd3 Qe3+ 40. Qxe3 Rxe3 41. Kf2 Re5 42. Rh1 Kd7 43. Rh8 Re8 44. Rh7 b6 45. b4 a5 46. Rxf7+ Ke6 47. Rb7 axb4 48. Nf4+ Kf5 49. Kf3 Rg8 50. Rxb6 Ba7 51. Rxc6 Rb8 52. g4+ Ke5 53. d7 b3 54. Rd6 f5 55. Nd3# 1-0

[Event "NED-ch op"]
[Site "Netherlands"]
[Date "1992.??.??"]
[Round "6"]
[White "Van Esch, Sebastian"]
[Black "Van Nieuwenhuizen, PR."]
[Result "1-0"]
[ECO "E94"]
[PlyCount "97"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 Qe7 8. Bg5 c6 9. d5 Na6 10. Rb1 c5 11. Qd2 Bg4 12. Ne1 Bxe2 13. Qxe2 Qd7 14. a3 Ne8 15. b4 b6 16. Nd3 f5 17. bxc5 Nxc5 18. Nxc5 dxc5 19. f3 Nd6 20. Rb3 Rf7 21. Ra1 Raf8 22. a4 fxe4 23. Nxe4 Nxe4 24. Qxe4 Qf5 25. Be3 Bf6 26. a5 Bd8 27. axb6 axb6 28. Bh6 Re8 29. Ra8 Qd7 30. Qg4 Rf5 31. Rba3 e4 32. R3a7 exf3 33. gxf3 Qd6 34. Qg3 Qf6 35. Bg7 Qg5 36. Qxg5 Rxg5+ 37. Kf2 Rf5 38. Kg3 Bc7+ 39. Kf2 Rxa8 40. Rxc7 Rf7 41. Be5 Ra2+ 42. Ke3 Ra3+ 43. Ke4 Rxc7 44. Bxc7 Rc3 45. d6 Rxc4+ 46. Ke5 Rd4 47. Ke6 g5 48. d7 h5 49. Bd6 1-0

[Event "NED-ch op"]
[Site "Netherlands"]
[Date "1992.??.??"]
[Round "7"]
[White "Van Nieuwenhuizen, PR."]
[Black "Grooten, Herman"]
[Result "0-1"]
[ECO "E32"]
[BlackElo "2405"]
[PlyCount "72"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. Nf3 b6 6. g3 Bb7 7. Bg2 c5 8. dxc5 bxc5 9. 0-0 Qe7 10. Bg5 d6 11. Bxf6 gxf6 12. Rfd1 Rd8 13. Nh4 Nc6 14. e3 Rab8 15. Ne2 Ne5 16. Nf4 Ba5 17. b3 Bxg2 18. Nfxg2 Qb7 19. Qe2 f5 20. Qh5 Rd7 21. Rac1 Kh8 22. f4 Ng4 23. h3 Nf6 24. Qf3 Qxf3 25. Nxf3 Rg8 26. Kh2 Ne4 27. Ngh4 Rxg3 28. Ne5 Rc7 29. Rxd6 Nxd6 30. Kxg3 Bd2 31. Rd1 f6 32. Kf3 Ne4 33. Nd3 Rd7 34. Nb2 Rg7 35. Ke2 Rg3 36. Nf3 Rg2+ 0-1

[Event "NED-ch op"]
[Site "Netherlands"]
[Date "1992.??.??"]
[Round "5"]
[White "Van Nieuwenhuizen, PR."]
[Black "Theulings, Paul Peter"]
[Result "1-0"]
[ECO "E39"]
[PlyCount "81"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 0-0 6. Nf3 Na6 7. a3 Bxc3+ 8. Qxc3 Nxc5 9. e3 Nfe4 10. Qc2 a5 11. Bd3 d5 12. 0-0 a4 13. Bd2 b6 14. Bb4 Ba6 15. Bxe4 dxe4 16. Bxc5 exf3 17. Bxf8 Qg5 18. g3 Qg4 19. Kh1 Rxf8 20. Qxa4 Bxc4 21. Rg1 b5 22. Qa7 h6 23. Qd4 Qxd4 24. exd4 Rd8 25. a4 Rxd4 26. a5 Rd7 27. b4 Kf8 28. Rgc1 Ke7 29. a6 Ra7 30. Rxc4 bxc4 31. b5 c3 32. h3 c2 33. Rc1 Kd7 34. Rxc2 e5 35. Rc5 f6 36. g4 Rc7 37. Rd5+ Kc8 38. b6 Rc1+ 39. Kh2 Ra1 40. a7 Kb7 41. Rd8 1-0

[Event "NED-ch op"]
[Site "Netherlands"]
[Date "1992.??.??"]
[Round "3"]
[White "Van Nieuwenhuizen, PR."]
[Black "Van Ryn, Anton"]
[Result "1-0"]
[ECO "D20"]
[PlyCount "68"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nc3 a6 6. Bd2 c5 7. Nf3 Nc6 8. dxc5 Bxc5 9. 0-0 0-0 10. Rc1 e5 11. e4 Bg4 12. Be2 h6 13. h3 Be6 14. Qc2 Rc8 15. Qb1 Qe7 16. Na4 Ba7 17. b4 Nd4 18. Nxd4 exd4 19. Bd3 Nd7 20. f4 b5 21. Nb2 f6 22. a4 Rb8 23. Rc6 f5 24. e5 Bd5 25. Rxa6 Nb6 26. axb5 Rbc8 27. Bxf5 Rxf5 28. Qxf5 Rc7 29. Rc1 Rxc1+ 30. Bxc1 Qc7 31. Bd2 d3 32. Qxd3 Nc8+ 33. Kh2 Bb7 34. Qc4+ Kh8 1-0

[Event "NED-ch op"]
[Site "Netherlands"]
[Date "1992.??.??"]
[Round "4"]
[White "Van der Mee, Andy"]
[Black "Van Nieuwenhuizen, PR."]
[Result "1-0"]
[ECO "B15"]
[PlyCount "99"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 Be6 8. Ne2 Qc7 9. Be3 Nd7 10. Qd2 Nb6 11. Bf4 Nc4 12. Bxd6 Qxd6 13. Qc2 0-0-0 14. 0-0-0 Nb6 15. Kb1 Qd5 16. Nc1 g6 17. Be4 Qh5 18. h3 Rhe8 19. Rhe1 Rd7 20. Re2 Rde7 21. Rde1 Bd5 22. Bxg6 Rxe2 23. Rxe2 Rxe2 24. Bxh5 Rxc2 25. Kxc2 Bxg2 26. h4 Be4+ 27. Nd3 Nd5 28. Bg4+ f5 29. Be2 Nf4 30. Kd2 Nxe2 31. Kxe2 Kc7 32. c4 b5 33. b3 f4 34. a3 f3+ 35. Ke3 Bf5 36. cxb5 cxb5 37. b4 Kd6 38. Ne5 Kd5 39. Nxf7 Bg4 40. Ne5 Bh5 41. Nxf3 Kc4 42. Ne5+ Kb3 43. d5 Kxa3 44. d6 Be8 45. Nd3 Ka4 46. Kd4 a5 47. bxa5 Kxa5 48. Kc5 Ka4 49. f4 Bd7 50. Ne5 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "1991.??.??"]
[Round "5"]
[White "Kohler, Aran"]
[Black "Van Nieuwenhuizen, PR."]
[Result "1-0"]
[ECO "E12"]
[PlyCount "65"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. Bg5 0-0 6. e3 b6 7. Qc2 Bb7 8. Bxf6 Bxf6 9. cxd5 exd5 10. Bd3 g6 11. h4 Nc6 12. a3 Ne7 13. h5 c5 14. hxg6 fxg6 15. dxc5 bxc5 16. 0-0-0 Rb8 17. e4 d4 18. Bc4+ Kh8 19. Qd2 Ng8 20. Nd5 Bxd5 21. Bxd5 c4 22. Bxc4 Qc7 23. Qd3 Rfc8 24. b3 Qa5 25. Kb2 Ne7 26. e5 Bxe5 27. Ng5 Qc3+ 28. Ka2 Rxc4 29. Qxc4 Qxc4 30. bxc4 Bf6 31. Nxh7 Be5 32. Nf6+ Kg7 33. Nd7 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "1991.??.??"]
[Round "6"]
[White "Van Nieuwenhuizen, PR."]
[Black "Comp Mephisto Polgar"]
[Result "1/2-1/2"]
[ECO "E39"]
[PlyCount "125"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 0-0 6. Nf3 Na6 7. Bd2 Bxc5 8. a3 d5 9. e3 Nc7 10. Rd1 b6 11. cxd5 exd5 12. Be2 Re8 13. 0-0 Bd7 14. b4 Bd6 15. Bc1 a5 16. Qb3 axb4 17. axb4 Be6 18. Nd4 Qe7 19. b5 Bd7 20. Bb2 Qe5 21. Nf3 Qe6 22. Na4 Ra5 23. Bc3 Bxb5 24. Bxa5 Bxe2 25. Nd4 Qe5 26. f4 Bxd1 27. fxe5 Bxb3 28. exd6 Bxa4 29. dxc7 bxa5 30. Nf5 Bd7 31. Nd6 Rxe3 32. Ra1 Ne4 33. Nxe4 dxe4 34. Rxa5 Kf8 35. Ra8+ Ke7 36. c8Q Bxc8 37. Rxc8 f5 38. Rc7+ Kf6 39. Rc6+ Kf7 40. Rc7+ Kg6 41. Rc6+ Kg5 42. Rc7 Kh6 43. Rc6+ g6 44. Rc7 g5 45. Rc5 f4 46. Re5 Kg6 47. Kf2 Kf6 48. Re8 h5 49. Rf8+ Kg7 50. Rf5 Kg6 51. Re5 Kf6 52. Re8 h4 53. h3 Kf5 54. Rf8+ Ke5 55. Re8+ Kf6 56. Rf8+ Kg6 57. Re8 Kg7 58. Re5 Kh6 59. Re8 g4 60. hxg4 Kg6 61. Re5 h3 62. gxh3 Rxh3 63. Rxe4 1/2-1/2

[Event "NED open-ch 11"]
[Site "Dieren"]
[Date "1980.08.04"]
[Round "5"]
[White "Boll, Peter Albertus"]
[Black "Van Nieuwenhuizen, PR."]
[Result "1-0"]
[ECO "B12"]
[PlyCount "57"]
[EventDate "1980.07.30"]
[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 c6 2. d4 d5 3. f3 e6 4. Nc3 Bb4 5. Bf4 Nf6 6. e5 Nfd7 7. a3 Ba5 8. b4 Bc7 9. Be3 b6 10. f4 c5 11. Nb5 a6 12. Nxc7+ Qxc7 13. Nf3 cxb4 14. axb4 b5 15. Bxb5 Qb7 16. Bd3 Qxb4+ 17. Bd2 Qe7 18. 0-0 Nc6 19. c4 dxc4 20. Be4 Bb7 21. Qa4 Rc8 22. Rfb1 Ndb8 23. Bb4 Qd7 24. Bc5 f5 25. exf6 gxf6 26. Nd2 Kf7 27. Nxc4 Nxd4 28. Rxb7 Rc7 29. Qxd7+ 1-0

[Event "NED Open-ch08 Reinbouw"]
[Site "Velp"]
[Date "1977.07.29"]
[Round "2"]
[White "Van Nieuwenhuizen, PR."]
[Black "Luchtmeijer, Anthonie Pieter"]
[Result "0-1"]
[ECO "E84"]
[PlyCount "46"]
[EventDate "1977.07.28"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Qd2 Re8 8. Nge2 Rb8 9. g4 a6 10. Ng3 e5 11. d5 Nd4 12. Bg2 c5 13. dxc6 bxc6 14. Nge2 Be6 15. Nxd4 exd4 16. Bxd4 c5 17. Be3 Bxc4 18. b3 Nxg4 19. fxg4 Qh4+ 20. Bf2 Qxg4 21. bxc4 Bxc3 22. Qxc3 Qxg2 23. 0-0-0 Qxf2 0-1

