[Event "NED-chT Promotion Liga 2b"]
[Site "Netherlands"]
[Date "2021.06.19"]
[Round "2.2"]
[White "Welling, Gerard J"]
[Black "Nieuwenhuis, Pieter"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2278"]
[BlackElo "2212"]
[PlyCount "41"]
[EventDate "2021.06.05"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "WLC"]
[BlackTeam "Utrecht Oud Zuylen"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. e3 c5 3. Nf3 g6 4. c4 cxd4 5. exd4 d5 6. Nc3 Bg7 7. h3 0-0 8. Be3 Nc6 9. Be2 b6 10. Ne5 Bb7 11. Bf3 e6 12. cxd5 Nxd5 13. Bxd5 exd5 14. Nxc6 Bxc6 15. 0-0 f5 16. Qd2 Qf6 17. Ne2 Bb5 18. Bg5 Qf7 19. Rfe1 Bxe2 20. Rxe2 Rae8 21. Rxe8 1/2-1/2

[Event "NED-chT Promotion Liga 2b"]
[Site "Netherlands"]
[Date "2021.06.05"]
[Round "1.1"]
[White "Van der Velden, Bram"]
[Black "Nieuwenhuis, Pieter"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "2192"]
[BlackElo "2212"]
[PlyCount "101"]
[EventDate "2021.06.05"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Delft"]
[BlackTeam "Utrecht Oud Zuylen"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 a5 6. Nc3 Ba6 7. Nf3 d6 8. g3 Nbd7 9. Bg2 g6 10. 0-0 Bg7 11. Re1 0-0 12. h3 Qxb6 13. Rb1 Rfb8 14. e4 Ne8 15. Bg5 Bxc3 16. bxc3 Qxb1 17. Qxb1 Rxb1 18. Rxb1 f6 19. Be3 Rb8 20. Rxb8 Nxb8 21. Bf1 Nc7 22. c4 Nd7 23. Bd2 a4 24. Ba5 Na8 25. Nd2 Nab6 26. f4 Kf7 27. Kf2 e6 28. Ke3 f5 29. dxe6+ Kxe6 30. exf5+ gxf5 31. Kf3 Bb7+ 32. Ke3 d5 33. cxd5+ Nxd5+ 34. Kf2 Nb4 35. a3 Nc2 36. Nb1 Nf6 37. Bd3 Ne4+ 38. Kg1 Nd4 39. Bxe4 Bxe4 40. Nc3 Bc6 41. Bb6 Kd6 42. Kf2 Nc2 43. Nb1 h5 44. Ke2 Nd4+ 45. Ke3 Bb5 46. Bd8 Kd5 47. Bf6 Kc4 48. Nd2+ Kd5 49. Nb1 Bd7 50. Kd3 Bb5+ 51. Ke3 1/2-1/2

[Event "NED-chT 1516"]
[Site "Netherlands"]
[Date "2016.04.23"]
[Round "9.4"]
[White "Van Wessel, Rudy"]
[Black "Nieuwenhuis, Pieter"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "2398"]
[BlackElo "2243"]
[PlyCount "111"]
[EventDate "2015.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Leiden LSG"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 e6 6. Nc3 exd5 7. Nxd5 Nxd5 8. Qxd5 Nc6 9. Nf3 Be7 10. Ne5 0-0 11. Nxc6 dxc6 12. Qxd8 Bxd8 13. e3 Rb8 14. Bd2 Be6 15. b3 Bd5 16. Rc1 Bxb6 17. f3 f5 18. Bc4 a5 19. Ke2 a4 20. Rhd1 axb3 21. axb3 Ra8 22. Ra1 Bc7 23. Bc3 Rxa1 24. Bxa1 Bxc4+ 25. bxc4 Bxh2 26. f4 Bg3 27. Rh1 Ra8 28. Be5 g5 29. Rh5 gxf4 30. Rxf5 Ra2+ 31. Kf3 Rf2+ 32. Ke4 Re2 33. Rg5+ Kf7 34. Bxf4 Bxf4 35. Kxf4 Rc2 36. Rxc5 Rxg2 37. Rxc6 h5 38. Kf5 Rf2+ 39. Ke5 Rc2 40. Kd5 Kg7 41. e4 h4 42. Rb6 Rd2+ 43. Ke5 Rc2 44. Kd4 Rd2+ 45. Ke5 Rc2 46. Kf5 Rxc4 47. Rg6+ Kf7 48. Rh6 Rc5+ 49. e5 Rc4 50. e6+ Ke7 51. Rh7+ Ke8 52. Ke5 Rc1 53. Rxh4 Re1+ 54. Re4 Rxe4+ 55. Kxe4 Ke7 56. Ke5 1/2-1/2

[Event "NED-chT 1516"]
[Site "Netherlands"]
[Date "2016.03.19"]
[Round "7.3"]
[White "Nieuwenhuis, Pieter"]
[Black "Reinderman, Dimitri"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2243"]
[BlackElo "2592"]
[PlyCount "86"]
[EventDate "2015.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Rotterdam Pathena"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Nd5 f5 11. Bxb5 axb5 12. Nxb5 Ra4 13. Nbc7+ Kd7 14. 0-0 Rxe4 15. Qh5 Nd4 16. c3 Ne2+ 17. Kh1 Kc6 18. b4 Kb7 19. a4 Nf4 20. Qd1 Ne6 21. f3 Rc4 22. Nb5 Kb8 23. Qd3 Rc6 24. Qe3 Ra6 25. a5 Rg8 26. c4 Nf4 27. Nxf4 Bh6 28. Qf2 Bxf4 29. Rad1 Qe7 30. Nc3 Bb7 31. Nd5 Bxd5 32. Rxd5 Qg5 33. Rd3 e4 34. fxe4 fxe4 35. Rd5 Be5 36. g3 Ra7 37. Rb5+ Ka8 38. Qb6 Rc8 39. Rxf7 Qc1+ 40. Kg2 Qd2+ 41. Kh3 Qh6+ 42. Kg2 Qd2+ 43. Kh3 Qh6+ 1/2-1/2

[Event "NED-chT 1516"]
[Site "Netherlands"]
[Date "2016.02.13"]
[Round "6.6"]
[White "Dardha, Arben"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2339"]
[BlackElo "2243"]
[PlyCount "39"]
[EventDate "2015.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]
[WhiteTeam "Charlois Europoort"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Nb3 d6 8. f3 0-0 9. Qd2 Be6 10. Rd1 a6 11. Bh6 Rc8 12. h4 Ne5 13. Bxg7 Kxg7 14. h5 Nxh5 15. Nd4 Kh8 16. Qh6 Rg8 17. Be2 Nf6 18. f4 Neg4 19. Nxe6 fxe6 20. Bxg4 1-0

[Event "NED-chT 1516"]
[Site "Netherlands"]
[Date "2016.01.09"]
[Round "5.6"]
[White "Nieuwenhuis, Pieter"]
[Black "Van Beek, Alexander"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2243"]
[BlackElo "2317"]
[PlyCount "89"]
[EventDate "2015.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "BSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. d4 exd4 3. Nf3 Nc6 4. c3 d5 5. exd5 Qxd5 6. cxd4 Bg4 7. Nc3 Bxf3 8. Nxd5 Bxd1 9. Nxc7+ Kd7 10. Nxa8 Bg4 11. d5 Nd4 12. f3 Nc2+ 13. Kd1 Bf5 14. g4 Bg6 15. Rb1 Nd4 16. Be3 Bxb1 17. Bxd4 Bxa2 18. Bb5+ Kd6 19. Bxa7 Nf6 20. Ke2 Nxd5 21. Ra1 Nb4 22. Bf2 Be7 23. Nb6 Rd8 24. f4 Kc7 25. Rc1+ Kb8 26. Nd7+ Ka8 27. Bb6 Re8 28. Ne5 Rf8 29. Ra1 Rc8 30. Bc4 Rxc4 31. Nxc4 Kb8 32. Ne5 Be6 33. f5 Bc8 34. Nxf7 h5 35. h3 Nd5 36. Bd4 b6 37. Be5+ Kb7 38. Nd6+ Bxd6 39. Bxd6 hxg4 40. hxg4 Nf6 41. Rc1 Bd7 42. Be5 Nxg4 43. Rc7+ Ka6 44. Rxd7 Nxe5 45. Rxg7 1-0

[Event "NED-chT 1516"]
[Site "Netherlands"]
[Date "2015.11.07"]
[Round "3.5"]
[White "Maenhout, Thibaut"]
[Black "Nieuwenhuis, Pieter"]
[Result "1/2-1/2"]
[ECO "B37"]
[WhiteElo "2372"]
[BlackElo "2243"]
[PlyCount "109"]
[EventDate "2015.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Sas van Gent"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 g6 3. c4 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Nc2 d6 7. Be2 f5 8. exf5 Bxf5 9. 0-0 Nf6 10. Nc3 Ne4 11. Nxe4 Bxe4 12. Bf3 Bxf3 13. Qxf3 Qd7 14. Rb1 Ne5 15. Qe2 0-0 16. Be3 Qa4 17. Na3 Rac8 18. Rbc1 a6 19. Rfd1 Rf7 20. c5 dxc5 21. Rxc5 Rxc5 22. Bxc5 Nc6 23. b3 Qa5 24. Qc4 e6 25. h3 Ne5 26. Qb4 Qxb4 27. Bxb4 Rd7 28. Rxd7 Nxd7 29. Nc4 b5 30. Nd2 Ne5 31. Ne4 Nd3 32. Bd2 Bd4 33. Kf1 Nc5 34. Ng5 Bf6 35. Ke2 h5 36. Be3 Bxg5 37. Bxg5 Ne4 38. Bd2 Kf7 39. Bb4 Kf6 40. Ke3 Ke5 41. g4 Kd5 42. Be7 hxg4 43. hxg4 Nc3 44. a3 e5 45. Kd3 Ne4 46. Ke3 Nc3 47. f3 Ke6 48. Bf8 Nd5+ 49. Kd3 Nf4+ 50. Ke4 Nd5 51. Bg7 Nc3+ 52. Kd3 Nd5 53. Ke4 Nc3+ 54. Kd3 Nd5 55. Ke4 1/2-1/2

[Event "NED-chT 1516"]
[Site "Netherlands"]
[Date "2015.10.10"]
[Round "2.2"]
[White "Nijboer, Friso"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2566"]
[BlackElo "2243"]
[PlyCount "85"]
[EventDate "2015.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]
[WhiteTeam "En Passant"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Nde2 Nf6 7. g3 0-0 8. Bg2 d6 9. 0-0 Bd7 10. h3 a6 11. b3 Rc8 12. Bb2 b5 13. Qd2 Qb6 14. Kh2 b4 15. Nd5 Nxd5 16. Bxg7 Ne3 17. Bxf8 Nxf1+ 18. Rxf1 Kxf8 19. f4 Ke8 20. Rd1 f6 21. c4 bxc3 22. Nxc3 Qa5 23. Nd5 Qxd2 24. Rxd2 a5 25. Nb6 Rb8 26. Nd5 Nb4 27. Ne3 Be6 28. Bf1 Nc6 29. h4 Kd7 30. Nd5 Nb4 31. Ne3 Nc6 32. Kg1 Rb4 33. Nc2 Rb8 34. Kf2 h6 35. Na3 Na7 36. Bc4 Bg4 37. Ke3 e5 38. Bf7 g5 39. f5 Ke7 40. Bc4 Nc6 41. Nb5 Nb4 42. Nc3 Nc6 43. Nd5+ 1-0

[Event "NED-chT 1516"]
[Site "Netherlands"]
[Date "2015.09.26"]
[Round "1.4"]
[White "Nieuwenhuis, Pieter"]
[Black "Kleijn, Christov"]
[Result "0-1"]
[ECO "B94"]
[WhiteElo "2243"]
[BlackElo "2419"]
[PlyCount "94"]
[EventDate "2015.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Groningen Combinatie"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. f4 Qc7 8. Qf3 h6 9. Bh4 g5 10. fxg5 hxg5 11. Bxg5 Qc5 12. Qe3 Rg8 13. Nf3 Qa5 14. Qd2 e6 15. 0-0-0 b5 16. Qf4 b4 17. Bxf6 Rg6 18. Nd5 exd5 19. Bg5 Qxa2 20. exd5 Bg7 21. Re1+ Kf8 22. Bd3 Qxb2+ 23. Kd1 Ne5 24. Bxg6 Nxg6 25. Qxd6+ Kg8 26. Re8+ Nf8 27. Bc1 Qb1 28. Qc6 b3 29. cxb3 Qxb3+ 30. Ke1 Bb7 31. Re3 Qb1 32. Nd2 Qb4 33. Qc4 Qxc4 34. Nxc4 Rc8 35. Bd2 Rxc4 36. Rd3 Nd7 37. d6 Be5 38. Rf1 Nc5 39. Re3 Be4 40. Kd1 Bxd6 41. Rf6 Bc2+ 42. Ke2 Ne4 43. Rff3 Rd4 44. Bc3 Bd1+ 45. Ke1 Nxc3 46. Re8+ Kg7 47. Rxc3 Bb4 0-1

[Event "NED-chT 1415"]
[Site "Netherlands"]
[Date "2015.04.25"]
[Round "9.3"]
[White "Ondersteijn, Niels"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2324"]
[BlackElo "2216"]
[PlyCount "91"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Calder HMC"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d6 2. c4 e5 3. d5 f5 4. e4 fxe4 5. Nc3 Nf6 6. Nge2 Bf5 7. Ng3 Bg6 8. Bg5 Nbd7 9. Ncxe4 Be7 10. Bxf6 Bxf6 11. Be2 0-0 12. Bh5 Bxh5 13. Qxh5 Bh4 14. Rc1 Rf4 15. Qe2 Qe8 16. 0-0 Qg6 17. f3 Nf6 18. Qd3 Rf8 19. Nxf6+ R8xf6 20. Qxg6 Rxg6 21. Ne4 Bg5 22. Rc3 b6 23. b4 Rf8 24. b5 h5 25. Ra3 Ra8 26. Kf2 Kf7 27. Ra6 Ke7 28. a4 Kd7 29. a5 Kc8 30. Ra1 Kb8 31. g3 h4 32. g4 h3 33. Nxg5 Rxg5 34. axb6 cxb6 35. Kg3 Rg6 36. Kxh3 Rf6 37. Kg3 g5 38. Rh1 Rf4 39. h4 gxh4+ 40. Rxh4 Rxc4 41. g5 Rc7 42. Rh8+ Kb7 43. Rxa8 Kxa8 44. Kg4 Rc4+ 45. Kh5 Rf4 46. Ra3 1-0

[Event "NED-chT 1415"]
[Site "Netherlands"]
[Date "2015.04.11"]
[Round "8.8"]
[White "Wiersma, Eelke"]
[Black "Nieuwenhuis, Pieter"]
[Result "0-1"]
[ECO "A59"]
[WhiteElo "2370"]
[BlackElo "2216"]
[PlyCount "72"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Leiden LSG"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 Bxf1 8. Kxf1 g6 9. Nf3 Bg7 10. g3 0-0 11. Kg2 Nbd7 12. Re1 Ng4 13. Nd2 Nge5 14. Qe2 g5 15. f4 gxf4 16. gxf4 Ng6 17. Nf3 Bh6 18. f5 Nf4+ 19. Bxf4 Bxf4 20. Kh1 Kh8 21. Rg1 Rg8 22. Qf2 Qb6 23. Qh4 Qxb2 24. Na4 Qc2 25. Qxf4 Qxa4 26. Ng5 Rg7 27. Rg2 Nf6 28. Rag1 Nxd5 29. Qg3 Nf6 30. e5 dxe5 31. Qxe5 Qc6 32. h4 h6 33. Kh2 hxg5 34. hxg5 Rh7+ 35. Kg3 Ra3+ 36. Kf4 Qf3# 0-1

[Event "NED-chT 1415"]
[Site "Netherlands"]
[Date "2015.03.07"]
[Round "6.7"]
[White "Wantola, Ivo"]
[Black "Nieuwenhuis, Pieter"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "2330"]
[BlackElo "2216"]
[PlyCount "82"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Voerendaal"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 e5 6. Nb5 Bb4+ 7. N1c3 d6 8. a3 Bxc3+ 9. bxc3 0-0 10. Bg2 Ne8 11. a4 Na5 12. c5 Be6 13. Ba3 Bb3 14. Qd3 d5 15. 0-0 e4 16. Qb1 Bc4 17. Nd4 Qc7 18. f3 exf3 19. Rxf3 Nc6 20. Qf5 Nf6 21. Qg5 Ne4 22. Qh4 Ne5 23. Re3 Ng6 24. Qh5 Rfe8 25. Rf1 Nf6 26. Qf3 Rxe3 27. Qxe3 Re8 28. Qd2 Ne4 29. Qb2 h5 30. Rb1 Ba6 31. c4 dxc4 32. Nf5 c3 33. Qc2 Nd2 34. Qxc3 Qe5 35. Qxd2 Qxf5 36. Rf1 Qg4 37. Bd5 Rxe2 38. Bxf7+ Kh7 39. Qd8 Ne7 40. Qd1 Qe4 41. Qb1 Bd3 0-1

[Event "NED-chT 1415"]
[Site "Netherlands"]
[Date "2015.02.07"]
[Round "5.3"]
[White "Nieuwenhuis, Pieter"]
[Black "L'Ami, Erwin"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2216"]
[BlackElo "2630"]
[PlyCount "114"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "En Passant"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. d4 exd4 3. Nf3 Nc6 4. c3 d5 5. exd5 Qxd5 6. cxd4 Nf6 7. Nc3 Bb4 8. Bd2 Qa5 9. Be2 0-0 10. 0-0 Bg4 11. a3 Bxc3 12. bxc3 Ne4 13. h3 Bh5 14. Rb1 Qxa3 15. Rxb7 Rab8 16. Rxc7 Qd6 17. Bf4 Qxf4 18. Rxc6 Rfc8 19. Rxc8+ Rxc8 20. c4 Nc3 21. Qd3 Nxe2+ 22. Qxe2 Bxf3 23. Qxf3 Qxf3 24. gxf3 Rxc4 25. Ra1 Rc7 26. Kf1 Re7 27. f4 Kf8 28. d5 Ke8 29. d6 Rb7 30. Ke2 Kd7 31. Ra6 Ke6 32. Kf3 Rd7 33. Kg4 f6 34. f5+ Ke5 35. h4 Kd5 36. Kf4 h5 37. f3 Rb7 38. Ke3 Rf7 39. f4 Rd7 40. Kd3 Kc5 41. Ke4 Kb5 42. Ra1 Kc6 43. Rc1+ Kxd6 44. Rc8 Rc7 45. Rh8 a5 46. Ra8 Rc4+ 47. Ke3 a4 48. Ra7 Kc5 49. Rxg7 Kb6 50. Rf7 Rc6 51. Kd4 a3 52. Rf8 Kb5 53. Ra8 Ra6 54. Rxa6 Kxa6 55. Kc3 Kb5 56. Kb3 Kc5 57. Kxa3 Kd4 0-1

[Event "NED-chT 1415"]
[Site "Netherlands"]
[Date "2014.12.13"]
[Round "4.4"]
[White "Nieuwenhuis, Pieter"]
[Black "De Groote, Ewoud"]
[Result "1-0"]
[ECO "B94"]
[WhiteElo "2216"]
[BlackElo "2330"]
[PlyCount "81"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "BSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. f4 e5 8. fxe5 dxe5 9. Nf5 Qb6 10. Qd2 h6 11. Be3 Qc6 12. 0-0-0 Ng4 13. Bg1 g6 14. Ne3 Nxe3 15. Bxe3 Bb4 16. Bxh6 Bxc3 17. bxc3 b5 18. Bg7 Rg8 19. Bxe5 Bb7 20. Bg3 0-0-0 21. Bd3 f6 22. Rhf1 Rge8 23. Rf3 Ne5 24. Bxe5 Rxe5 25. Qf4 Qc5 26. Qxf6 Qxc3 27. Rg3 Qa3+ 28. Kd2 Rxe4 29. Qc3+ Qxc3+ 30. Kxc3 Rh4 31. h3 Rc4+ 32. Bxc4 Rxd1 33. Be6+ Kc7 34. Rxg6 a5 35. a3 Be4 36. Rg4 Bc6 37. g3 Ra1 38. Kb2 Re1 39. Bf5 Kd6 40. h4 Kc5 41. h5 1-0

[Event "NED-chT 1415"]
[Site "Netherlands"]
[Date "2014.11.22"]
[Round "3.9"]
[White "Nieuwenhuis, Pieter"]
[Black "Riemens, Michael"]
[Result "1/2-1/2"]
[ECO "B71"]
[WhiteElo "2216"]
[BlackElo "2253"]
[PlyCount "66"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Groningen"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. Qf3 d5 10. Be2 Qb6 11. Rb1 Bg7 12. Be3 d4 13. Bf2 Bb7 14. 0-0 c5 15. Ne4 0-0 16. c4 f5 17. exf6 exf6 18. Qd3 Rae8 19. Nd2 Bh6 20. Bf3 Bxf4 21. Bxb7 Qxb7 22. Nb3 Be3 23. Rbe1 Ne5 24. Qd1 Nxc4 25. Nxc5 Qxb2 26. Re2 Qc3 27. Qb3 Qxb3 28. axb3 Nd2 29. Rfe1 Ne4 30. Bxe3 Nxc5 31. Bxd4 Rxe2 32. Rxe2 Nxb3 33. Bxa7 Ra8 1/2-1/2

[Event "NED-chT 1415"]
[Site "Netherlands"]
[Date "2014.11.01"]
[Round "2.1"]
[White "Van Assendelft, Floris"]
[Black "Nieuwenhuis, Pieter"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2363"]
[BlackElo "2216"]
[PlyCount "104"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "SISSA"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nbd7 5. d3 g6 6. Nbd2 Bg7 7. 0-0 0-0 8. d4 Qc7 9. Re1 Rb8 10. a4 b6 11. Bf1 e6 12. Nc4 d5 13. exd5 Nxd5 14. Bg5 Bb7 15. Bh4 Bh6 16. Nfe5 cxd4 17. Bg3 Bf4 18. Bxf4 Nxf4 19. Qxd4 Nxe5 20. Nxe5 Nd5 21. a5 f6 22. Ng4 e5 23. axb6 axb6 24. Qc4 Rbc8 25. Qb3 Kg7 26. Ra7 Rf7 27. Rd1 Nf4 28. g3 Nh5 29. Bg2 Rb8 30. Ne3 Qc5 31. Qe6 Qc8 32. Qxc8 Bxc8 33. Rxf7+ Kxf7 34. Rd8 f5 35. Nd5 Nf6 36. Nb4 e4 37. Bf1 Ra8 38. Bc4+ Kg7 39. Rd6 Ra1+ 40. Kg2 Rb1 41. Rd8 Bd7 42. Nd5 Ba4 43. Nxf6 Kxf6 44. Rd6+ Kg7 45. b3 Bxb3 46. Rxb6 Bc2 47. Rxb1 Bxb1 48. f4 exf3+ 49. Kxf3 Kf6 50. Ke3 g5 51. h4 gxh4 52. gxh4 Ke5 1/2-1/2

[Event "NED-chT 1415"]
[Site "Netherlands"]
[Date "2014.09.27"]
[Round "1.10"]
[White "Den Hartog, Marijn"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2147"]
[BlackElo "2216"]
[PlyCount "83"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 Nf6 7. Nc3 0-0 8. Be2 d6 9. 0-0 a6 10. Qd2 Rb8 11. Rab1 Bd7 12. Rfd1 b5 13. cxb5 Nxd4 14. Bxd4 Bxb5 15. Bxb5 axb5 16. Qe2 b4 17. Nd5 Nxd5 18. exd5 Rb7 19. Rbc1 Qa8 20. Bxg7 Kxg7 21. Qc4 Rfb8 22. Qb3 Ra7 23. Qe3 Rbb7 24. Rc4 Rxa2 25. Rh4 h5 26. g4 Qa7 27. Qe2 Qa6 28. Qe4 Ra1 29. Qd4+ f6 30. gxh5 Rxd1+ 31. Qxd1 Ra7 32. Qc2 f5 33. hxg6 Qb5 34. Qc1 Kxg6 35. Qh6+ Kf7 36. Qh5+ Kf6 37. Qh8+ Kg6 38. Rh6+ Kg5 39. Qg7+ Kf4 40. Qd4+ Kf3 41. Qe3+ Kg4 42. Qg3# 1-0

[Event "NED-chT 1314"]
[Site "Netherlands"]
[Date "2014.05.10"]
[Round "9.7"]
[White "Nieuwenhuis, Pieter"]
[Black "Richter, Christian"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "2208"]
[BlackElo "2366"]
[PlyCount "82"]
[EventDate "2013.09.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Calder HMC"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. d4 exd4 3. Nf3 Nc6 4. c3 d5 5. exd5 Qxd5 6. cxd4 Bg4 7. Be2 Bb4+ 8. Nc3 Bxf3 9. Bxf3 Qc4 10. Bxc6+ bxc6 11. Qe2+ Qxe2+ 12. Kxe2 0-0-0 13. Rd1 Ne7 14. Be3 Rhe8 15. Rd3 Ng6 16. g3 f5 17. a3 Ba5 18. Kd2 f4 19. gxf4 Rf8 20. b4 Bb6 21. Ne2 Nh4 22. Rc3 c5 23. bxc5 Ba5 24. Kd3 Bxc3 25. Nxc3 c6 26. Ne4 Nf5 27. Ng5 Rd7 28. Nxh7 Rfd8 29. Ng5 Nxd4 30. Bxd4 Rxd4+ 31. Ke3 Ra4 32. Ne4 Kc7 33. f5 Rh8 34. Nd6 Rh3+ 35. f3 Kd8 36. Rg1 Rxa3+ 37. Ke4 Rh7 38. f4 Ke7 39. Rb1 Rxh2 40. Rb7+ Kf8 41. Rb8+ Ke7 1/2-1/2

[Event "NED-chT 1314"]
[Site "Netherlands"]
[Date "2014.03.29"]
[Round "7.10"]
[White "Nieuwenhuis, Pieter"]
[Black "Kruit, Mark"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2208"]
[PlyCount "68"]
[EventDate "2013.09.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Groningen"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Nf6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Bxf6 gxf6 10. Na3 b5 11. Nd5 f5 12. Bxb5 axb5 13. Nxb5 Be7 14. Nbc7+ Kf8 15. Nxa8 Qa5+ 16. Qd2 Qxa8 17. Qh6+ Kg8 18. 0-0-0 Bd8 19. Rd3 f4 20. g3 f3 21. Qxd6 Bg5+ 22. Kb1 Kg7 23. Ra3 Qb7 24. Rc3 Bd7 25. h4 Bd8 26. Rd1 Re8 27. Rb3 Qc8 28. Nb6 Bxb6 29. Rxb6 Nd4 30. Qf6+ Kg8 31. c3 Qc4 32. cxd4 Ra8 33. b3 Qe2 34. Qg5+ Kf8 1-0

[Event "NED-chT 1011"]
[Site "Netherlands"]
[Date "2011.04.09"]
[Round "8.6"]
[White "Nieuwenhuis, Pieter"]
[Black "Kuijf, Marinus"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2228"]
[BlackElo "2407"]
[PlyCount "15"]
[EventDate "2010.09.25"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Rotterdam"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Nbd2 f6 8. b4 1/2-1/2

[Event "NED-chT 0203"]
[Site "Netherlands"]
[Date "2003.03.15"]
[Round "7.6"]
[White "Van Kooten, Luuk"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2245"]
[BlackElo "2229"]
[PlyCount "47"]
[EventDate "2002.09.28"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Groningen"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 axb5 6. Bxb5 Qa5+ 7. Nc3 Bb7 8. Nge2 Nxd5 9. 0-0 Nxc3 10. Nxc3 e6 11. e4 Be7 12. Bf4 Nc6 13. Qd3 Nd4 14. Be5 Bf6 15. Bxf6 gxf6 16. b4 Qxb4 17. Rab1 Qa3 18. Bxd7+ Kxd7 19. Rxb7+ Kc8 20. Qb1 Qa6 21. Rxf7 Rb8 22. Qc1 e5 23. Qh6 Rg8 24. Rf8+ 1-0

[Event "NED-chT 0203"]
[Site "Netherlands"]
[Date "2003.02.01"]
[Round "5.3"]
[White "Nieuwenhuis, Pieter"]
[Black "Knoppert, Erik"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2229"]
[BlackElo "2322"]
[PlyCount "73"]
[EventDate "2002.09.28"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Apeldoorn"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. c4 e5 2. g3 f5 3. Bg2 Nf6 4. Nc3 Bb4 5. Nd5 Bc5 6. e3 Nxd5 7. cxd5 0-0 8. Ne2 d6 9. 0-0 Bb6 10. a3 Nd7 11. b4 Nf6 12. d3 g5 13. Nc3 a6 14. Kh1 f4 15. gxf4 gxf4 16. Bf3 Kh8 17. Qe2 Bh3 18. Rg1 Qd7 19. Bd2 Rae8 20. Rg5 Re7 21. Rag1 Qe8 22. Ne4 Qf7 23. Nxf6 Qxf6 24. exf4 Bd4 25. Be4 exf4 26. Qh5 Bd7 27. R1g2 Ref7 28. Rg6 Qe7 29. Bxf4 Bf5 30. Bxf5 Rxf5 31. Qxf5 Qe1+ 32. Rg1 Qxg1+ 33. Rxg1 Rxf5 34. Be3 Rxd5 35. Rd1 Bb2 36. a4 Ba3 37. Rb1 0-1

[Event "NED-chT 0203"]
[Site "Netherlands"]
[Date "2002.11.23"]
[Round "3.4"]
[White "Strating, Sybolt"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "2325"]
[BlackElo "2229"]
[PlyCount "90"]
[EventDate "2002.09.28"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Amstelveen Zukertort"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 cxd4 5. Nxd4 Bg7 6. g3 0-0 7. Bg2 Nc6 8. 0-0 Nxd4 9. Qxd4 d6 10. Qd2 a6 11. b3 Rb8 12. Bb2 b5 13. cxb5 axb5 14. Nd5 Nxd5 15. Bxg7 Kxg7 16. Bxd5 Qb6 17. Rfc1 Bb7 18. Rc3 Rfc8 19. Bxb7 Qxb7 20. a4 b4 21. Rxc8 Rxc8 22. a5 f6 23. Qe3 Rc7 24. a6 Qa7 25. Qe4 Qb6 26. Ra4 Ra7 27. h4 h5 28. Qc4 d5 29. Qd3 Qc5 30. e3 e5 31. Qd2 Kf7 32. Kh2 Ke6 33. Qa2 f5 34. Ra5 Qc6 35. Qe2 Kd6 36. Qd3 Ke6 37. Kg1 Qc1+ 38. Kg2 Qc6 39. Kh2 Kd6 40. f4 Ke6 41. fxe5 Ke7 42. Ra2 Ke6 43. Kg1 Qc3 44. Qd4 Qe1+ 45. Kg2 Rxa6 1-0

[Event "NED-chT 0203"]
[Site "Netherlands"]
[Date "2002.09.28"]
[Round "1.5"]
[White "Nieuwenhuis, Pieter"]
[Black "Stellwagen, Daniel"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2229"]
[BlackElo "2464"]
[PlyCount "96"]
[EventDate "2002.09.28"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Hilversum HSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. Bxb5 axb5 12. Nxb5 Ra4 13. Nbc7+ Kd7 14. 0-0 Qh4 15. c3 Rxe4 16. f3 Rc4 17. Na8 Bb7 18. g3 Rg8 19. Kh1 Rxg3 20. Nab6+ Kd8 21. Nxc4 Rh3 22. Qe2 Ne7 23. Nxe7 Bxe7 24. Rad1 Kc7 25. Ne3 Bg5 26. Nd5+ Bxd5 27. Rxd5 Bf4 28. Rf2 e4 29. Rxf5 e3 30. Rxf7+ Kd8 31. Rg2 Rxh2+ 32. Rxh2 Bxh2 33. Rf8+ Ke7 34. Rg8 Bg3+ 35. Kg1 Kf7 36. Rg4 Qh3 37. Qxe3 Qh2+ 38. Kf1 Qh1+ 39. Ke2 Qe1+ 40. Kd3 Qb1+ 41. Kc4 Qxa2+ 42. b3 d5+ 43. Kxd5 Qxb3+ 44. Rc4 Qb7+ 45. Kd4 Qd7+ 46. Ke4 Qb7+ 47. Kd3 Qb1+ 48. Kd2 Qb2+ 1/2-1/2

[Event "Utrecht Keres Memorial op"]
[Site "Utrecht"]
[Date "1999.??.??"]
[Round "2"]
[White "Layman Sanijs, Frans J"]
[Black "Nieuwenhuis, Pieter"]
[Result "0-1"]
[ECO "B34"]
[BlackElo "2320"]
[PlyCount "78"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Be3 Nc6 6. Nc3 Nf6 7. Be2 0-0 8. 0-0 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Bf3 Qc4 12. Nxc6 bxc6 13. c3 Be6 14. Re1 a5 15. Bg5 Rfd8 16. Qc1 Ra7 17. Re4 Qb5 18. Bh6 Bf6 19. h4 Bd5 20. Be2 Qb6 21. Be3 c5 22. Rg4 h5 23. Rg3 Bxh4 24. Rh3 Bf6 25. Qc2 h4 26. Rd1 Rad7 27. b4 axb4 28. cxb4 Be4 29. Qxe4 Rxd1+ 30. Bxd1 Rxd1+ 31. Kh2 Qxb4 32. Qa8+ Kg7 33. g3 Qe1 34. Qg2 hxg3+ 35. Kxg3 Rd3 36. Kg4 Qe2+ 37. Kf4 g5+ 38. Ke4 Rd4+ 39. Kf5 e6# 0-1

[Event "Utrecht Keres Memorial op"]
[Site "Utrecht"]
[Date "1999.??.??"]
[Round "3"]
[White "Nieuwenhuis, Pieter"]
[Black "Cuijpers, Frans Andre"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "2320"]
[BlackElo "2436"]
[PlyCount "82"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 0-0 5. d3 Re8 6. Bd2 Nc6 7. e3 Bxc3 8. Bxc3 d5 9. cxd5 Nxd5 10. Ne2 Bg4 11. a3 Qd7 12. h3 Be6 13. d4 Rad8 14. dxe5 Qe7 15. Qc2 Qg5 16. 0-0 Nxe5 17. Rfd1 Nxc3 18. Nxc3 c6 19. Rxd8 Rxd8 20. Rd1 Rxd1+ 21. Qxd1 Nc4 22. b4 Qe7 23. Qc1 a5 24. bxa5 Nxa5 25. Bf1 h6 26. Na4 Nb3 27. Qb2 Qd6 28. Nc3 b5 29. h4 Kf8 30. Bg2 Bc4 31. Ne4 Qe7 32. Nd2 Nxd2 33. Qxd2 c5 34. Qc3 Qf6 35. Qa5 g6 36. Qa7 Qe5 37. Kh2 Be6 38. Qb7 c4 39. a4 c3 40. axb5 c2 41. Qc6 Qb2 0-1

[Event "Utrecht Keres Memorial op"]
[Site "Utrecht"]
[Date "1999.??.??"]
[Round "5"]
[White "Nieuwenhuis, Pieter"]
[Black "Stellwagen, Daniel"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2320"]
[BlackElo "2154"]
[PlyCount "70"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Nh6 7. b4 cxd4 8. cxd4 Nf5 9. Be3 Be7 10. Bd3 Nxe3 11. fxe3 f5 12. g3 0-0 13. 0-0 a5 14. b5 Na7 15. a4 Bd7 16. Nbd2 Rac8 17. Qb3 Bb4 18. Rac1 Qd8 19. Nb1 Rxc1 20. Rxc1 Be8 21. Qc2 Bh5 22. Kg2 Bxf3+ 23. Kxf3 Qg5 24. Qe2 Nc8 25. Rc7 Ne7 26. Kf2 Ng6 27. Nd2 f4 28. Nf3 fxg3+ 29. hxg3 Qg4 30. Bxg6 hxg6 31. Kg2 Qe4 32. Rc1 g5 33. g4 Qxg4+ 34. Kf2 Qh3 35. Rg1 g4 0-1

[Event "Utrecht Keres Memorial op"]
[Site "Utrecht"]
[Date "1999.??.??"]
[Round "4"]
[White "Pieters, Minko"]
[Black "Nieuwenhuis, Pieter"]
[Result "0-1"]
[ECO "D94"]
[BlackElo "2320"]
[PlyCount "100"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nf3 Bg7 5. Nc3 0-0 6. Bd3 cxd4 7. exd4 d5 8. h3 Nc6 9. Be3 Nb4 10. Be2 dxc4 11. Bxc4 Bf5 12. Rc1 Rc8 13. Be2 Nbd5 14. 0-0 Nxe3 15. fxe3 Bh6 16. Qd2 Nd5 17. Nxd5 Qxd5 18. b3 Qe4 19. Kf2 Rfd8 20. g4 Bd7 21. Bd3 Qe6 22. Bc4 Qd6 23. a4 Bc6 24. Qe2 e6 25. Rce1 Bg7 26. Rd1 Be4 27. Ng5 Bd5 28. Nf3 Bxc4 29. bxc4 Qb4 30. c5 Qxa4 31. Ra1 Qc6 32. Rxa7 Ra8 33. Rfa1 Rxa7 34. Rxa7 e5 35. dxe5 Bf8 36. Nd4 Qxc5 37. Rxb7 Qxe5 38. Qf3 Qe8 39. Qc6 Qxc6 40. Nxc6 Re8 41. Kf3 Kg7 42. Rb8 Re6 43. Nd4 Rf6+ 44. Kg2 Ba3 45. Rb3 Bc1 46. Rc3 Bd2 47. Rd3 Ba5 48. Nf3 Re6 49. Nd4 Re8 50. Kf3 Bc7 0-1

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1998.??.??"]
[Round "?"]
[White "Lanchava, Tea"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2260"]
[BlackElo "2315"]
[PlyCount "67"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Qc2 bxc4 5. e4 d6 6. Bxc4 g6 7. f4 Bg7 8. Nf3 0-0 9. 0-0 a5 10. Rd1 Ba6 11. e5 dxe5 12. fxe5 Ng4 13. Bf4 Bxc4 14. Qxc4 Nd7 15. Re1 Nb6 16. Qxc5 Nxd5 17. Rd1 e6 18. Nc3 Rc8 19. Qa7 Qb6+ 20. Qxb6 Nxb6 21. h3 Rc4 22. g3 g5 23. Nd2 Rb4 24. Bxg5 Nxe5 25. Be7 Rxb2 26. Bxf8 Kxf8 27. Nce4 Nbc4 28. Rab1 Rxa2 29. Rb8+ Ke7 30. Rb7+ Ke8 31. Rc1 Bh6 32. Rxc4 Nxc4 33. Nxc4 f5 34. Nf6+ 1-0

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1998.??.??"]
[Round "?"]
[White "Molinari, Gabriel"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "B23"]
[BlackElo "2315"]
[PlyCount "101"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 e6 5. g3 d5 6. e5 Ne7 7. d4 cxd4 8. Nxd4 Nbc6 9. Be3 0-0 10. Qd2 a6 11. 0-0-0 b5 12. Nb3 Na5 13. Nxa5 Qxa5 14. Kb1 b4 15. Ne2 Bd7 16. Nd4 Rfb8 17. g4 Qc7 18. h4 a5 19. h5 g5 20. h6 Bh8 21. Rh5 gxf4 22. Bxf4 Ng6 23. Bd3 a4 24. Rf1 b3 25. cxb3 axb3 26. a3 Ra4 27. Qf2 Bc8 28. Bh2 Ba6 29. Bxa6 Rxa6 30. Rc1 Qd7 31. Rh3 Rc8 32. Rxc8+ Qxc8 33. Rc3 Qf8 34. Qe3 Ra4 35. Rxb3 Rc4 36. Ka2 Qc8 37. Rb6 Rc1 38. Rd6 Kf8 39. Bf4 Qc4+ 40. Nb3 Rf1 41. Bg5 f6 42. Qa7 Qc8 43. Qxh7 fxg5 44. Qxg6 Bxe5 45. h7 Ke7 46. Rb6 Rf2 47. Na5 Rc2 48. Qg8 Bf6 49. Rb8 Qc3 50. Qd8+ Kf7 51. Qe8+ 1-0

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1998.??.??"]
[Round "?"]
[White "Nieuwenhuis, Pieter"]
[Black "De Vreugt, Dennis"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2315"]
[BlackElo "2380"]
[PlyCount "82"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 Nf6 6. Nge2 0-0 7. 0-0 d6 8. d4 a5 9. b3 exd4 10. exd4 Re8 11. Bb2 Bf5 12. Qd2 Qd7 13. a3 a4 14. b4 Bh3 15. Nf4 Bxg2 16. Kxg2 Ne7 17. d5 Ng4 18. Nd3 Nf5 19. Rae1 Rxe1 20. Rxe1 Nd4 21. h3 Ne5 22. Nxe5 dxe5 23. Ne2 Nb3 24. Qd1 f5 25. Nc1 Nxc1 26. Qxc1 Re8 27. Qd1 b6 28. Re3 h5 29. b5 h4 30. Qxa4 hxg3 31. Rxg3 Kh7 32. Qd1 Bh6 33. Bc1 f4 34. Rg4 Qf5 35. Rh4 Qe4+ 36. Qf3 Qxc4 37. d6 Qxc1 38. d7 Rf8 39. Qd5 f3+ 40. Qxf3 Qg5+ 41. Rg4 Rxf3 0-1

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1998.??.??"]
[Round "?"]
[White "Sielecki, Christof"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "B39"]
[WhiteElo "2415"]
[BlackElo "2315"]
[PlyCount "45"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 g6 3. d4 cxd4 4. Nxd4 Bg7 5. e4 Nc6 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Bxd4 9. Bxd4 Nxd4 10. 0-0-0 e5 11. f4 h5 12. Qg3 h4 13. Qe3 d6 14. Rxd4 exd4 15. Qxd4 0-0 16. Nd5 f6 17. g3 hxg3 18. hxg3 Kg7 19. f5 g5 20. Rh5 Qa5 21. Rxg5+ Kh7 22. Rh5+ Kg7 23. Qe3 1-0

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1997.??.??"]
[Round "?"]
[White "Bertholee, Rob"]
[Black "Nieuwenhuis, Pieter"]
[Result "0-1"]
[ECO "B75"]
[WhiteElo "2350"]
[BlackElo "2315"]
[PlyCount "133"]
[EventDate "1997.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nc3 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. e4 Nc6 6. Be3 Nf6 7. Bc4 d6 8. f3 Qb6 9. Bb5 Qc7 10. Nd5 Nxd5 11. exd5 a6 12. Nxc6 axb5 13. Bd4 0-0 14. Bxg7 Kxg7 15. Qd4+ Kg8 16. Nb4 Qc4 17. Rd1 Bd7 18. Kf2 Qxd4+ 19. Rxd4 Rac8 20. Re1 Rfe8 21. c3 Kf8 22. g4 h6 23. h4 g5 24. Rh1 Kg7 25. Rdd1 Rc4 26. Nc2 Rf4 27. hxg5 hxg5 28. Ne3 Rh8 29. Rxh8 Kxh8 30. Rh1+ Kg7 31. Rh5 Ra4 32. a3 f6 33. Rh1 Ra8 34. Ke2 Rc8 35. Kd3 Ra8 36. Kd4 Ra4+ 37. Kd3 Ra8 38. Rh2 Kg6 39. Kd4 Ra4+ 40. Kd3 Ra8 41. Rh1 Rf8 42. Ke4 Ra8 43. Nf5 Bxf5+ 44. gxf5+ Kg7 45. Kd3 Ra5 46. Re1 Kf7 47. Re4 b4 48. Rxb4 Rxd5+ 49. Ke3 Re5+ 50. Kf2 b5 51. c4 bxc4 52. Rxc4 Rxf5 53. a4 Ra5 54. b3 d5 55. Rc2 Ke6 56. Rc6+ Ke5 57. Ke2 Kd4 58. Kd2 Ra7 59. Rb6 f5 60. Rg6 Rb7 61. Rxg5 e5 62. Rxf5 Rxb3 63. Kc2 Ra3 64. Rh5 Rxf3 65. Rh4+ e4 66. Kb2 Rf7 67. a5 0-1

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1997.??.??"]
[Round "?"]
[White "Cifuentes Parada, Roberto"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "B39"]
[WhiteElo "2515"]
[BlackElo "2315"]
[PlyCount "99"]
[EventDate "1997.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 g6 3. d4 cxd4 4. Nxd4 Bg7 5. e4 Nc6 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 e5 10. Bd3 d6 11. 0-0 0-0 12. a4 Be6 13. Nb5 a6 14. Nxd4 exd4 15. Bd2 Rc8 16. Rc1 Qd7 17. a5 f5 18. exf5 Bxf5 19. Qb3 Bxd3 20. Qxd3 d5 21. c5 Rfe8 22. b4 Re4 23. h3 Qc6 24. Rb1 Qb5 25. Qxb5 axb5 26. Rfd1 Re2 27. Kf1 Rce8 28. Rb3 R2e4 29. Rd3 Re2 30. Re1 Rxe1+ 31. Bxe1 Kf7 32. f3 Ke6 33. Bf2 Kd7 34. Bxd4 Bh6 35. Rd1 Kc6 36. Re1 Rxe1+ 37. Kxe1 Bf4 38. Ke2 Bg3 39. Bf2 Bf4 40. g4 Bc1 41. Kd3 Bf4 42. Be3 Bg3 43. f4 d4 44. Bd2 Kd5 45. c6 Kxc6 46. Kxd4 Kd6 47. Ke4 Kc6 48. Bc3 h5 49. f5 gxf5+ 50. Kxf5 1-0

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1997.??.??"]
[Round "7"]
[White "Dieks, Roy G"]
[Black "Nieuwenhuis, Pieter"]
[Result "1/2-1/2"]
[ECO "B39"]
[WhiteElo "2270"]
[BlackElo "2315"]
[PlyCount "128"]
[EventDate "1997.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 e5 10. Bd3 0-0 11. 0-0 d6 12. Qd2 Be6 13. Bh6 f5 14. Bxg7 Kxg7 15. exf5 gxf5 16. f4 e4 17. Bxe4 Qb6 18. Kh1 fxe4 19. Na4 Qc6 20. Qxd4+ Rf6 21. Nc3 Qxc4 22. Qxd6 Re8 23. Rae1 e3 24. Qd1 Rxf4 25. Rxf4 Qxf4 26. Rf1 Bg4 27. Qe1 Qc4 28. h3 Bh5 29. Qg3+ Bg6 30. Re1 Qe6 31. Nd1 Qxa2 32. Nxe3 Kg8 33. h4 Qa5 34. b4 Qe5 35. Qf2 Rf8 36. Qa2+ Bf7 37. Qe2 Be6 38. Nc2 Qxe2 39. Rxe2 Bd5 40. Re5 Bc6 41. b5 Bd7 42. Nd4 Rf4 43. Rd5 Rxh4+ 44. Kg1 Be8 45. Rd8 Kf8 46. Nf5 Rf4 47. Nd6 Ke7 48. Nxb7 Bxb5 49. Ra8 Rd4 50. Nc5 Bc6 51. Rh8 Rh4 52. Nb3 Kd6 53. g3 Rh3 54. Kf2 Kc7 55. Nd4 Bb7 56. Ne6+ Kc6 57. Rb8 Rh2+ 58. Ke3 Rb2 59. Rh8 Rb3+ 60. Kf2 Kd6 61. Nd4 Rb4 62. Ke3 a5 63. Rxh7 a4 64. Rh5 Rb6 1/2-1/2

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1997.??.??"]
[Round "5"]
[White "Peek, Marcel"]
[Black "Nieuwenhuis, Pieter"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "2330"]
[BlackElo "2315"]
[PlyCount "74"]
[EventDate "1997.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 Qxb6 6. Nc3 d6 7. e4 g6 8. Nf3 Bg4 9. Be2 Bxf3 10. Bxf3 Nbd7 11. 0-0 Bg7 12. Be2 0-0 13. Kh1 h5 14. h3 Kh7 15. f4 e6 16. dxe6 fxe6 17. f5 Ne5 18. fxg6+ Kxg6 19. Bf4 Rh8 20. Qd2 h4 21. Rad1 Rad8 22. Bg5 Rd7 23. Qf4 Nh5 24. Bxh5+ Rxh5 25. Bxh4 Qxb2 26. Qg3+ Kh7 27. Rf2 Qb4 28. Bf6 Bxf6 29. Rxf6 Rg7 30. Qe3 Ng4 31. Qf3 Nxf6 32. Qxf6 Rh6 33. Qf3 c4 34. Rb1 Qc5 35. Rb8 Qg5 36. Rf8 Qg3 37. Rf7 Rxh3+ 0-1

[Event "NED-chT 9697"]
[Site "Netherlands"]
[Date "1996.??.??"]
[Round "?"]
[White "Abbink, Michel"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "2295"]
[BlackElo "2315"]
[PlyCount "45"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Nb3 Nf6 7. Be2 0-0 8. 0-0 a5 9. a4 d6 10. Be3 Nb4 11. f4 d5 12. e5 Ne8 13. Bf3 Be6 14. Qd2 f6 15. Nc5 Bc8 16. Nxd5 fxe5 17. fxe5 Bxe5 18. c3 Nc6 19. Nb6 Rxf3 20. Rxf3 Qxb6 21. Qd5+ e6 22. Nxe6 Nf6 23. Bxb6 1-0

[Event "NED-chT 9697"]
[Site "Netherlands"]
[Date "1996.??.??"]
[Round "?"]
[White "Nieuwenhuis, Pieter"]
[Black "Besseling, Michiel"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "2315"]
[PlyCount "162"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 c6 2. d4 d5 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 Nh5 7. Bg3 Nxg3 8. hxg3 e6 9. a3 g6 10. b4 Bg7 11. Qd2 e5 12. dxe5 Be6 13. Rd1 Nxe5 14. Nxe5 Bxe5 15. f4 Bg7 16. Nxd5 Rc8 17. e4 Bxd5 18. Qxd5 Bc3+ 19. Kf2 Qb6+ 20. Kf3 0-0 21. Bc4 Qc7 22. Ba2 Rfd8 23. Qc5 Qxc5 24. bxc5 Bd4 25. Rb1 Bxc5 26. Rxb7 Rd3+ 27. Kg4 h5+ 28. Kh4 Rf8 29. Rc1 Bf2 30. Rb3 Bxg3+ 31. Kg5 Rd2 32. Rxg3 Rxa2 33. Rc7 Kg7 34. e5 Re8 35. Rxa7 Rf2 36. a4 Re6 37. a5 Rc6 38. Rb7 Rc4 39. e6 Rcxf4 40. exf7 Rxf7 41. Rxf7+ Rxf7 42. Ra3 Re7 43. a6 Re4 44. Rg3 Ra4 45. a7 Rxa7 46. Rb3 Ra5+ 47. Kf4 Kh6 48. Rb6 Rg5 49. Kf3 h4 50. Ra6 Kh5 51. Ra8 Rg3+ 52. Kf2 Rb3 53. Ra5+ g5 54. Ra4 Rg3 55. Ra8 Rd3 56. Ra4 Rd2+ 57. Kf1 g4 58. Ra5+ Kg6 59. Rb5 g3 60. Rb6+ Kf5 61. Rb5+ Ke4 62. Rb4+ Ke3 63. Rb3+ Rd3 64. Rb1 Ra3 65. Re1+ Kd2 66. Re2+ Kd3 67. Re1 Ra2 68. Rd1+ Rd2 69. Ra1 Rf2+ 70. Kg1 Rc2 71. Kf1 Rf2+ 72. Kg1 Rb2 73. Kf1 Kc3 74. Rd1 Rf2+ 75. Kg1 Rd2 76. Rxd2 Kxd2 77. Kh1 Ke2 78. Kg1 Ke1 79. Kh1 h3 80. Kg1 h2+ 81. Kh1 Kf1 1/2-1/2

[Event "NED-chT 9697"]
[Site "Netherlands"]
[Date "1996.??.??"]
[Round "?"]
[White "Nieuwenhuis, Pieter"]
[Black "Kroeze, Frank"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2315"]
[BlackElo "2390"]
[PlyCount "117"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Nc3 e5 7. dxe5 Qa5 8. Bd2 Qxe5+ 9. Qe2 Qxe2+ 10. Bxe2 Bf5 11. Nf3 Nd7 12. a3 Be7 13. Nd4 Bg6 14. f4 Bf6 15. Be3 0-0-0 16. f5 Re8 17. Kf2 Rxe3 18. Kxe3 Bxd4+ 19. Kxd4 Bxf5 20. Ne4 Bxe4 21. Kxe4 Ngf6+ 22. Kf4 Re8 23. Bf3 Ne5 24. b3 Nd3+ 25. Kg3 Re3 26. h4 Ne4+ 27. Kh2 Nd2 28. Bg4+ Kc7 29. Bf5 Nxb3 30. Rad1 Nbc5 31. Rhf1 Ne5 32. Rde1 Nxc4 33. Bxh7 Rxe1 34. Rxe1 Kd6 35. g4 Ne5 36. Kg3 f6 37. Rd1+ Ke7 38. h5 b5 39. Kf4 Ne6+ 40. Kf5 c5 41. Rd5 Nc4 42. Rd3 Ne5 43. Rd5 Nc4 44. Rd3 Nd4+ 45. Ke4 Ne5 46. Rg3 Ne6 47. Kd5 c4 48. Bf5 Ng5 49. Kc5 a6 50. a4 bxa4 51. Ra3 Ne6+ 52. Kb4 Nc7 53. Rxa4 Nd5+ 54. Kc5 Ne3 55. Rxa6 N5xg4 56. Ra7+ Kf8 57. Bg6 Ne5 58. Kd6 Nf5+ 59. Bxf5 1-0

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Delemarre, Jop"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2235"]
[BlackElo "2315"]
[PlyCount "35"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 a5 6. Nc3 Ba6 7. f4 d6 8. Nf3 Nbd7 9. b7 Rb8 10. e4 Bxf1 11. Rxf1 Qb6 12. e5 dxe5 13. fxe5 Ng4 14. e6 fxe6 15. Ng5 h5 16. dxe6 Rxb7 17. exd7+ Rxd7 18. Qb3 1-0

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Kerkhoff, Leo"]
[Black "Nieuwenhuis, Pieter"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "2270"]
[BlackElo "2315"]
[PlyCount "118"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Be2 0-0 8. 0-0 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Bf3 Qc4 12. Nxc6 bxc6 13. Qd3 Ba6 14. Rfd1 Bxb2 15. Rab1 Bc3 16. Qxc4 Bxc4 17. Bxc6 Rac8 18. Bd5 Be2 19. Rdc1 Rfd8 20. Bb3 Rc7 21. h3 Kg7 22. Ba4 Rd5 23. Rb8 h5 24. Bb3 Rd6 25. Ra8 a6 26. Ra7 Rxa7 27. Bxa7 f5 28. Rb1 Rd7 29. Be3 Kf6 30. Ba4 Rd6 31. Bc5 Rd5 32. Rb6+ e6 33. Be3 Bc4 34. Rc6 Be5 35. f4 Rd1+ 36. Kh2 Bd4 37. c3 Bxe3 38. Bxd1 Bb5 39. Rc8 Bxf4+ 40. g3 Be5 41. c4 Bd7 42. Rh8 Kf7 43. Ra8 h4 44. Rxa6 hxg3+ 45. Kg2 Bc8 46. Ra7+ Kf6 47. c5 Bb8 48. Rh7 e5 49. c6 Bd6 50. Kxg3 f4+ 51. Kg2 e4 52. Bg4 f3+ 53. Kh1 Ba6 54. Rd7 Bc7 55. Rd1 Ke5 56. Kg1 Kf4 57. Rd7 Kg3 58. Rf7 Bb6+ 59. Kh1 Bf1 0-1

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Nieuwenhuis, Pieter"]
[Black "De Boer, Jesper"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2315"]
[PlyCount "127"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 e6 2. b3 d5 3. Bb2 Nf6 4. e3 c6 5. Nf3 Nbd7 6. Nc3 a6 7. d4 Bd6 8. Bd3 0-0 9. 0-0 Re8 10. e4 dxe4 11. Nxe4 Nxe4 12. Bxe4 Nf6 13. Bc2 b6 14. Qd3 g6 15. Rad1 Be7 16. Ne5 Bb7 17. Qh3 Qc7 18. Rfe1 Rad8 19. Re3 c5 20. Nf3 Bc8 21. dxc5 Rxd1+ 22. Bxd1 Qxc5 23. Ne5 Qa5 24. Bc3 Qxa2 25. Nc6 Qa3 26. Nxe7+ Qxe7 27. Qh6 Rd8 28. Be2 Ne8 29. Rh3 f6 30. Bd3 Qg7 31. Qe3 e5 32. Rg3 Nd6 33. Qxb6 Qe7 34. c5 Nf5 35. Bc4+ Kg7 36. Rd3 Nd4 37. Kf1 Bf5 38. Rd1 Rc8 39. b4 Rc6 40. Qa5 Ne6 41. Bd5 Rc7 42. Qxa6 Nxc5 43. bxc5 Qxc5 44. Be1 Rd7 45. Bf3 Ra7 46. Qc6 Qxc6 47. Bxc6 Rc7 48. Bb5 h5 49. Be2 h4 50. f3 g5 51. Bd3 Bxd3+ 52. Rxd3 Kg6 53. Rc3 Rd7 54. Ke2 Kf5 55. Rc6 Ra7 56. Bd2 Rd7 57. g4+ Kg6 58. Bc3 Kf7 59. Ba5 Kg6 60. Ke3 Rd1 61. h3 Rd5 62. Bc3 Rd1 63. Bb4 Rd7 64. Bd6 1-0

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Nieuwenhuis, Pieter"]
[Black "De Jong, Migchiel"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2315"]
[BlackElo "2300"]
[PlyCount "80"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 d6 5. e3 Nf6 6. Nge2 0-0 7. 0-0 c6 8. d4 Re8 9. b4 a5 10. b5 e4 11. Nf4 Bf5 12. h3 g5 13. Nh5 Nxh5 14. Qxh5 Qe7 15. Kh2 Nd7 16. bxc6 bxc6 17. Rb1 Rab8 18. Ba3 Nf8 19. Qd1 Rxb1 20. Qxb1 Qe6 21. Qb3 Nd7 22. Rb1 c5 23. dxc5 dxc5 24. Nd5 Qh6 25. Qd1 Ne5 26. Bxc5 Nf3+ 27. Bxf3 Qxh3+ 28. Kg1 exf3 29. Qf1 Qg4 30. Rd1 Be5 31. Bd6 Kg7 32. c5 Be4 33. Nc7 Re7 34. Nd5 Bxd6 35. cxd6 Re6 36. Rd2 Rxd6 37. Qa1+ f6 38. Qb2 Bxd5 39. Qb5 Qh3 40. Qf1 Qxf1+ 0-1

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Nieuwenhuis, Pieter"]
[Black "Meulders, Richard"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2315"]
[BlackElo "2285"]
[PlyCount "148"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 d4 5. Bd3 Nc6 6. 0-0 Nge7 7. b3 Ng6 8. Re1 Be7 9. Bb2 dxc3 10. dxc3 0-0 11. c4 Nb4 12. Be4 Qc7 13. Nbd2 Rd8 14. Re3 Bd7 15. a3 Nc6 16. Qc2 Be8 17. Rae1 Rd7 18. h4 Rad8 19. h5 Nf8 20. Nf1 h6 21. N1h2 Kh8 22. Ng4 Nd4 23. Qb1 Nxf3+ 24. Bxf3 Bg5 25. R3e2 Rd3 26. Qc2 Qb6 27. Bc3 Bc6 28. Nh2 Bf4 29. Bxc6 Qxc6 30. Nf3 Rxf3 31. gxf3 Qxf3 32. Qe4 Qg4+ 33. Qg2 Qxh5 34. Re4 Ng6 35. Qh1 Nh4 36. Kf1 Qg4 37. R1e3 Rd1+ 38. Be1 g5 39. Qh3 Rxe1+ 40. Kxe1 Ng2+ 41. Kf1 Nxe3+ 42. Rxe3 Qxh3+ 43. Rxh3 Bxe5 44. Rxh6+ Kg7 45. Rh1 g4 46. Ke2 Bd4 47. b4 cxb4 48. axb4 a6 49. Rd1 e5 50. f4 Kf6 51. Kd3 Ke6 52. fxe5 Bxe5 53. Rh1 g3 54. Ke4 Bc3 55. Rh6+ f6 56. Rg6 Bxb4 57. Rxg3 a5 58. Rg8 b6 59. Re8+ Be7 60. Rb8 f5+ 61. Kd3 Bc5 62. Re8+ Kf6 63. Rg8 a4 64. Ra8 a3 65. Ra7 Ke5 66. Ra8 Kf4 67. Ra7 Kf3 68. Ra8 f4 69. Rg8 Kf2 70. Ke4 f3 71. Kd3 Kf1 72. Kd2 f2 73. Kd1 a2 74. Ra8 Kg1 0-1

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Van der Heijden, Ton"]
[Black "Nieuwenhuis, Pieter"]
[Result "1/2-1/2"]
[ECO "B39"]
[BlackElo "2315"]
[PlyCount "58"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 g6 3. d4 Bg7 4. e4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Qd2 0-0 11. Rc1 b6 12. Bd3 Bb7 13. 0-0 f5 14. exf5 gxf5 15. f4 Nc5 16. Bb1 Rc8 17. b4 Bxc3 18. Rxc3 Ne4 19. Bxe4 Bxe4 20. Bd4 Rc6 21. Rg3+ Rg6 22. Rxg6+ hxg6 23. Qf2 d6 24. Qh4 e5 25. Qxd8 Rxd8 26. fxe5 dxe5 27. Bxe5 Rd2 28. Rf2 Rd1+ 29. Rf1 Rd2 1/2-1/2

[Event "NED-chTB 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "7"]
[White "Burlage, Peter"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "B47"]
[BlackElo "2315"]
[PlyCount "95"]
[EventDate "1994.??.??"]
[EventType "team"]
[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. Nc3 e6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 a6 6. g3 Qc7 7. Bg2 Nf6 8. 0-0 Be7 9. Re1 Nxd4 10. Qxd4 Bc5 11. Qd1 d6 12. Be3 0-0 13. Na4 e5 14. c4 Bg4 15. Qd3 h6 16. a3 Rac8 17. Rac1 Bd7 18. Nxc5 dxc5 19. Red1 Bg4 20. f3 Rfd8 21. Qe2 Be6 22. Rxd8+ Rxd8 23. Qf2 b6 24. b4 Nd7 25. Bf1 Ra8 26. Qd2 cxb4 27. axb4 a5 28. f4 Nf6 29. c5 exf4 30. gxf4 bxc5 31. Rxc5 Qb7 32. Rxa5 Rb8 33. Rb5 Qc7 34. Rxb8+ Qxb8 35. Qd4 Ng4 36. Bd2 Qc8 37. Bc3 f6 38. b5 h5 39. b6 Kh7 40. Bd3 Qb8 41. e5+ f5 42. Qd6 Qc8 43. Bd2 Bd7 44. Qc7 Qf8 45. Qxd7 Qc5+ 46. Kh1 Qf2 47. Qxf5+ Kg8 48. Qe6+ 1-0

[Event "NED-chTB 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "8"]
[White "Nieuwenhuis, Pieter"]
[Black "Ballon, Guenther Jan"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2315"]
[BlackElo "2200"]
[PlyCount "107"]
[EventDate "1994.??.??"]
[EventType "team"]
[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. d4 exd4 4. c3 d5 5. exd5 Qxd5 6. cxd4 Bg4 7. Be2 Bb4+ 8. Nc3 Bxf3 9. Bxf3 Qc4 10. Qb3 Qxb3 11. axb3 Nxd4 12. Bxb7 Rb8 13. Rxa7 Ne7 14. Be4 Nb5 15. Rb7 Rxb7 16. Bxb7 Nxc3 17. bxc3 Bxc3+ 18. Kd1 Kd7 19. Kc2 Be5 20. Rd1+ Bd6 21. Be4 Rb8 22. Bb2 f6 23. h3 h6 24. Bc3 Ke6 25. Bd3 Bc5 26. Bc4+ Kf5 27. Re1 Kg6 28. Re4 Bd6 29. Bd3 Kf7 30. Ra4 Nc6 31. Be4 Ne5 32. Ra7 Ke7 33. Ba5 Kd7 34. Ra6 Ke7 35. g3 Nd7 36. Ra7 Kd8 37. b4 Nb6 38. Kd3 Nc8 39. Ra6 Bxb4 40. Bxb4 Rxb4 41. Ra8 Rb1 42. g4 Rb3+ 43. Kc4 Rxh3 44. Bf5 h5 45. Rxc8+ Ke7 46. Rxc7+ Kd6 47. Rd7+ Ke5 48. Rd5+ Kf4 49. Rd4+ Kg5 50. f4+ Kh4 51. gxh5 Rf3 52. Bg6 f5 53. Kd5 Re3 54. Bxf5 1-0

[Event "NED-chTB 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "4"]
[White "Nieuwenhuis, Pieter"]
[Black "Neufeglise, Herman"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2315"]
[PlyCount "81"]
[EventDate "1994.??.??"]
[EventType "team"]
[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. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 Ngf6 6. 0-0 g6 7. e5 dxe5 8. Qxe5 Bg7 9. Re1 e6 10. Qd6 a6 11. Bc4 Qb6 12. Qxb6 Nxb6 13. Bb3 0-0 14. c4 Bd7 15. Nc3 Rfc8 16. Ne5 Be8 17. Be3 Nfd7 18. Nxd7 Nxd7 19. Rad1 Ne5 20. c5 Ng4 21. Bc1 Bxc3 22. bxc3 Rxc5 23. f3 Nf6 24. c4 Rcc8 25. Ba3 Nd7 26. Be7 Kg7 27. g4 a5 28. a3 Nc5 29. Ba2 Ba4 30. Rb1 Nd7 31. Rxb7 Bc6 32. Rb3 a4 33. Rc3 Rab8 34. Re2 Nb6 35. Rb2 Nd7 36. Bb4 Nb6 37. Rd3 Ba8 38. Bd6 Rb7 39. Rb4 Nd7 40. Rxa4 Nc5 41. Bxc5 1-0

[Event "NED-chTB 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "2"]
[White "Nieuwenhuis, Pieter"]
[Black "Riemens, Michael"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2315"]
[PlyCount "81"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 d6 4. Nc3 f5 5. d4 Nf6 6. Nf3 0-0 7. 0-0 Qe8 8. b4 e5 9. e3 e4 10. Nd2 Nc6 11. Qb3 Kh8 12. b5 Ne7 13. a4 Be6 14. f3 Bh6 15. Ne2 d5 16. fxe4 dxc4 17. Nxc4 fxe4 18. Qc2 Ned5 19. Nf4 Bf5 20. Ne5 Rd8 21. Bd2 Qe7 22. Qb3 g5 23. Nxd5 Nxd5 24. g4 Be6 25. Qc2 Nf6 26. h3 Bg7 27. Bxe4 Nxe4 28. Qxe4 Qd6 29. Bc3 Bd5 30. Qc2 b6 31. e4 Bb7 32. Rf5 Rxf5 33. gxf5 Bxe5 34. dxe5 Qc5+ 35. Kg2 Bxe4+ 36. Qxe4 Qxc3 37. Re1 Rd2+ 38. Re2 Rd3 39. e6 Rg3+ 40. Kf2 Rxh3 41. Qe5+ 1-0

[Event "NED-chTB 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "3"]
[White "Nieuwenhuis, Pieter"]
[Black "Van Roosmalen, Bas"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2315"]
[PlyCount "79"]
[EventDate "1994.??.??"]
[EventType "team"]
[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 Qb6 5. Nf3 Bd7 6. a3 a5 7. Bd3 Bb5 8. Bc2 Nc6 9. Be3 cxd4 10. cxd4 Rc8 11. Nc3 Ba6 12. Na4 Qa7 13. Nc5 Nxd4 14. Ba4+ b5 15. Nxd4 Bxc5 16. Nxb5 Bxb5 17. Bxb5+ Kf8 18. Rc1 Ne7 19. Rxc5 Rxc5 20. 0-0 Nf5 21. Bxc5+ Qxc5 22. Bd3 Nd4 23. Qc1 Nb3 24. Qxc5+ Nxc5 25. Rc1 Nxd3 26. Rc8+ Ke7 27. Rxh8 Nxb2 28. Ra8 Nc4 29. Ra7+ Kf8 30. a4 g5 31. g4 Kg7 32. Kg2 Kg6 33. Kg3 h6 34. h4 gxh4+ 35. Kxh4 d4 36. f4 d3 37. Rd7 d2 38. Rd8 f6 39. exf6 Kxf6 40. Kg3 0-1

[Event "NED-chTB 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "6"]
[White "Nieuwenhuis, Pieter"]
[Black "Van den Brink, Peter"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2315"]
[BlackElo "2230"]
[PlyCount "74"]
[EventDate "1994.??.??"]
[EventType "team"]
[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 g6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. dxc5 Qxd1+ 7. Kxd1 Bg4 8. Kc2 Nc6 9. Bd3 e5 10. Nxe5 Nxe5 11. Re1 Nfd7 12. Bg5 Be6 13. Bb5 Nc6 14. b4 a5 15. Bxc6 bxc6 16. Nd2 axb4 17. cxb4 Bg7 18. a4 Bxa1 19. Rxa1 f6 20. Bf4 Ne5 21. Kc3 Bd5 22. f3 g5 23. Bg3 Ke7 24. a5 Rhb8 25. Re1 Ke6 26. Nf1 Re8 27. Ne3 h5 28. h4 gxh4 29. Bxh4 Kf7 30. Bg3 Be6 31. Nc2 Bd5 32. Ne3 Nd7 33. Bf4 Nxc5 34. bxc5 Rxa5 35. Rh1 Rxc5+ 36. Kd4 Ra5 37. Rxh5 Ra4+ 0-1

[Event "NED-chTB 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "9"]
[White "Verhoeven, Tom"]
[Black "Nieuwenhuis, Pieter"]
[Result "0-1"]
[ECO "A04"]
[BlackElo "2315"]
[PlyCount "83"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. 0-0 Nc6 5. d3 e6 6. e4 Nge7 7. Nbd2 b5 8. e5 Rb8 9. Re1 Qc7 10. Qe2 Nf5 11. c3 0-0 12. Nb3 Na5 13. Nxa5 Qxa5 14. g4 Ne7 15. Bg5 Nd5 16. c4 bxc4 17. dxc4 Ba6 18. Qe4 Nb4 19. a3 Bb7 20. Qb1 Nc6 21. Qd3 Bc8 22. Bd2 Qc7 23. Bc3 f6 24. Re3 Nxe5 25. Nxe5 fxe5 26. Rd1 Rf4 27. h3 Rd4 28. Bxd4 cxd4 29. Re2 Ba6 30. b3 d5 31. Rc1 e4 32. Bxe4 dxe4 33. Rxe4 e5 34. Ree1 Bb7 35. Re2 Rf8 36. Qg3 Rf3 37. Qh4 Bf6 38. g5 Rf4 39. Qg3 Qc6 40. f3 Rxf3 41. Qg2 Bg7 42. Re4 0-1

[Event "NED-chTB 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "5"]
[White "Wagenmakers, Eric Jan"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2220"]
[BlackElo "2315"]
[PlyCount "75"]
[EventDate "1994.??.??"]
[EventType "team"]
[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 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. e5 Bg4 7. Be2 Bxf3 8. Bxf3 e6 9. Nc3 Ne7 10. Be3 Nf5 11. 0-0 Nc6 12. Qd2 0-0 13. Bg4 f6 14. Bxf5 gxf5 15. exf6 Qxf6 16. Ne2 Rac8 17. Rac1 b6 18. f3 Qe7 19. Bh6 Bxh6 20. Qxh6 Rfe8 21. Rc3 Nb4 22. a3 Rxc3 23. Nxc3 Na6 24. Re1 Nc7 25. Qf4 Kf7 26. g4 Rg8 27. Kf1 Ne8 28. gxf5 e5 29. Qxe5 Qxe5 30. Rxe5 Nf6 31. a4 h5 32. h4 Rc8 33. Ke2 Rc4 34. Kd3 Rb4 35. Nxd5 Rxa4 36. Nc3 Rb4 37. Rb5 Nd5 38. Rxd5 1-0

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1992.??.??"]
[Round "?"]
[White "Nieuwenhuis, Pieter"]
[Black "Piket, Marcel"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2315"]
[BlackElo "2350"]
[PlyCount "99"]
[EventDate "1992.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 Nf6 5. e4 0-0 6. Be2 Na6 7. 0-0 e5 8. Be3 Ng4 9. Bg5 Qe8 10. h3 h6 11. hxg4 hxg5 12. dxe5 dxe5 13. Nxg5 Qe7 14. Nh3 Bh6 15. g3 c6 16. f4 Nb4 17. Kg2 f5 18. exf5 gxf5 19. g5 Bg7 20. Qb3 Na6 21. Rae1 e4 22. Rd1 Be6 23. Qc2 Rad8 24. a3 Qf7 25. Rxd8 Rxd8 26. Rd1 Rd4 27. Rxd4 Bxd4 28. Qd1 Qd7 29. Nf2 Bxc3 30. Qxd7 Bxd7 31. bxc3 Nc5 32. g4 Na4 33. gxf5 Bxf5 34. Nd1 a6 35. Kf2 Nb6 36. Nb2 Nd7 37. Ke3 Nc5 38. Kd4 b6 39. Ke5 Bh3 40. Bh5 Bg2 41. Kd4 Kg7 42. f5 Bh3 43. f6+ Kh7 44. Ke5 e3 45. g6+ Kh6 46. f7 Kxh5 47. f8Q Nd7+ 48. Kd6 Nxf8 49. g7 e2 50. Nd3 1-0

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1992.??.??"]
[Round "?"]
[White "Piket, Jeroen"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2350"]
[BlackElo "2315"]
[PlyCount "83"]
[EventDate "1992.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. d5 e6 5. f3 Qa5+ 6. c3 Nf6 7. e4 b5 8. Nh3 Bb7 9. dxe6 dxe6 10. Nd2 a6 11. a4 Qb6 12. Qb3 b4 13. Nc4 Qa7 14. Ne5 Be7 15. Nxf7 Kxf7 16. Ng5+ Ke8 17. Nxe6 Nbd7 18. Nxg7+ Kd8 19. Bc4 Kc8 20. 0-0 Bc6 21. Nf5 Re8 22. Kh1 Bf8 23. Bf7 Rd8 24. Qe6 Kb7 25. Bg5 Re8 26. Bxe8 Rxe8 27. Qf7 Nxe4 28. Qxe8 Nxg5 29. Rad1 Kb6 30. Qd8+ Qc7 31. a5+ Kb7 32. Qxg5 Qxa5 33. Qg8 c4 34. Rxd7+ Bxd7 35. Qxf8 Qxf5 36. Qxb4+ Ka7 37. Qxc4 Bb5 38. Qd4+ Kb7 39. Re1 Qf7 40. Qe4+ Kb8 41. Qe5+ Ka8 42. Qe7 1-0

[Event "Utrecht"]
[Site "Utrecht"]
[Date "1990.??.??"]
[Round "?"]
[White "Du Chattel, Philippe J"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2260"]
[BlackElo "2315"]
[PlyCount "43"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Be3 Bb4 7. f3 d5 8. Bb5 Bd7 9. Bxc6 Bxc6 10. e5 Nd7 11. f4 Rc8 12. 0-0 Bxc3 13. bxc3 0-0 14. Rf3 Ba4 15. Bf2 Nc5 16. Rb1 b6 17. Rh3 Ne4 18. Bh4 Qe8 19. Bf6 Rxc3 20. Qg4 g6 21. Rxh7 Nxf6 22. exf6 1-0

[Event "Utrecht"]
[Site "Utrecht"]
[Date "1990.??.??"]
[Round "?"]
[White "Nieuwenhuis, Pieter"]
[Black "Van der Tuuk, Jaap"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2315"]
[PlyCount "70"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[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. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Nbd2 Na5 8. b4 cxb3 9. Rb1 Bd7 10. c4 Ne7 11. c5 Qc7 12. Bd3 Ba4 13. Ng5 h6 14. Nh7 Rxh7 15. Bxh7 g6 16. h4 Nf5 17. Bb2 Nc6 18. Nf3 h5 19. Ng5 0-0-0 20. g4 hxg4 21. Qxg4 Qa5+ 22. Kf1 Qd2 23. Nxf7 Qc2 24. Qd1 Qe4 25. Kg1 Ncxd4 26. Bxd4 Nxd4 27. f3 Nxf3+ 28. Kf2 Nxh4 29. Rxh4 Qxh4+ 30. Kg2 Qxh7 31. Nxd8 Kxd8 32. Qg4 Bc6 33. Rxb3 Kd7 34. Rh3 Qf7 35. Kg3 Bxc5 0-1

[Event "Benidorm op"]
[Site "Benidorm"]
[Date "1989.??.??"]
[Round "?"]
[White "Martin, Andrew D"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2415"]
[BlackElo "2335"]
[PlyCount "75"]
[EventDate "1989.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. Bg5 Ne4 5. Bf4 Qa5+ 6. Nbd2 Nxd2 7. Bxd2 Qc7 8. e4 a6 9. a4 b4 10. c3 bxc3 11. Bxc3 d6 12. Nd2 e5 13. Nc4 Be7 14. Ra3 Bd8 15. Be2 0-0 16. 0-0 Qe7 17. f4 f6 18. Bg4 Bxg4 19. Qxg4 Nd7 20. Ne3 Re8 21. Nf5 Qf8 22. Nh6+ Kh8 23. Qxd7 gxh6 24. fxe5 dxe5 25. Bd2 c4 26. Rh3 Rb8 27. Rxh6 Qc5+ 28. Kh1 Re7 29. Qf5 Rg7 30. Bc3 Qe3 31. Rh3 Qe2 32. Qf3 Qc2 33. Bxe5 Rb3 34. Bc3 Ba5 35. Qf2 Qxe4 36. Bxf6 Rxh3 37. Bxg7+ Kxg7 38. Qf6+ 1-0

[Event "Benidorm op"]
[Site "Benidorm"]
[Date "1989.??.??"]
[Round "?"]
[White "Nieuwenhuis, Pieter"]
[Black "Bevia Martinez, Luis"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2335"]
[BlackElo "2290"]
[PlyCount "111"]
[EventDate "1989.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. e3 d6 8. d4 Bf5 9. d5 Nb4 10. Ne1 a5 11. e4 Bg4 12. f3 Bd7 13. a3 Na6 14. Nd3 Nc5 15. Nxc5 dxc5 16. Be3 b6 17. Qd3 Ne8 18. f4 f5 19. fxe5 Bxe5 20. Bh6 Rf7 21. Rae1 Nd6 22. exf5 Bxf5 23. Qe2 Bd4+ 24. Kh1 Qd7 25. Qd1 Rc8 26. Re6 c6 27. Rxd6 Qxd6 28. dxc6 Rxc6 29. Nb5 Qd7 30. Nxd4 cxd4 31. g4 Bxg4 32. Rxf7 Kxf7 33. Bd5+ Qxd5+ 34. cxd5 Bxd1 35. dxc6 Bf3+ 36. Kg1 Bxc6 37. Kf2 Ke6 38. Ke2 Bb5+ 39. Kf3 Kf5 40. Bg7 d3 41. Ke3 Bc4 42. a4 b5 43. b3 Bxb3 44. axb5 Bc4 45. b6 Ba6 46. Bf8 Kg4 47. Be7 Kh3 48. Bd6 a4 49. b7 Bxb7 50. Kxd3 g5 51. Bc7 g4 52. Bd6 h5 53. Bg3 h4 54. Be1 Bd5 55. Kc2 a3 56. Kb1 1/2-1/2

[Event "Benidorm op"]
[Site "Benidorm"]
[Date "1989.??.??"]
[Round "?"]
[White "Nieuwenhuis, Pieter"]
[Black "Campos, Jose Felix"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2335"]
[BlackElo "2430"]
[PlyCount "59"]
[EventDate "1989.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 Nf6 3. Nc3 d5 4. e3 Be7 5. d4 0-0 6. Be2 dxc4 7. 0-0 a6 8. a4 c5 9. dxc5 Bxc5 10. Bxc4 Nc6 11. Qe2 Qc7 12. e4 Nd4 13. Nxd4 Bxd4 14. g3 Bd7 15. Rd1 Be5 16. f4 Bxc3 17. bxc3 e5 18. f5 Bxa4 19. Rxa4 b5 20. Rb4 bxc4 21. Qxc4 Qxc4 22. Rxc4 h6 23. Rd6 Rfd8 24. Ba3 Rdc8 25. Rxa6 Rxc4 26. Rxa8+ Kh7 27. Bb4 Nxe4 28. Ra7 Kg8 29. Ra8+ Kh7 30. Ra7 1/2-1/2

[Event "NED-ch43 sf-B"]
[Site "Eindhoven"]
[Date "1987.11.29"]
[Round "7"]
[White "Blokhuis, Edgar M"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "A48"]
[BlackElo "2355"]
[PlyCount "75"]
[EventDate "1987.11.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. e3 g6 4. Nd2 Bg7 5. Ngf3 0-0 6. h3 Nc6 7. Bh2 d5 8. c3 Qb6 9. Qb3 Qa5 10. Ne5 cxd4 11. exd4 Bh6 12. Ndf3 Nxe5 13. Bxe5 Nd7 14. Bg3 Nb6 15. Bc7 Bd7 16. Ne5 Ba4 17. Qa3 Rac8 18. Qxe7 Bc2 19. a4 Bb3 20. Be2 Bd2+ 21. Kxd2 Rxc7 22. Qxc7 Nc4+ 23. Bxc4 Qxc7 24. Bxb3 f6 25. Bxd5+ Kg7 26. Nd3 Qa5 27. Nc5 Re8 28. Rhe1 Rxe1 29. Rxe1 Qb6 30. Re7+ Kh6 31. Rxb7 Qd6 32. Ne4 Qf4+ 33. Ke2 Qc1 34. g3 Qc2+ 35. Kf3 g5 36. Nxf6 Qf5+ 37. Kg2 Qxf6 38. Be4 1-0

[Event "NED-ch43 sf-B"]
[Site "Eindhoven"]
[Date "1987.11.28"]
[Round "6"]
[White "Nieuwenhuis, Pieter"]
[Black "Cardon, Helmut"]
[Result "1/2-1/2"]
[ECO "B89"]
[WhiteElo "2355"]
[BlackElo "2355"]
[PlyCount "116"]
[EventDate "1987.11.07"]
[EventType "swiss"]
[EventRounds "7"]
[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 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. 0-0-0 Qc7 10. Bb3 Na5 11. g4 b5 12. g5 Nxb3+ 13. axb3 Nd7 14. h4 b4 15. Na2 a5 16. Qc4 Qxc4 17. bxc4 Ba6 18. b3 Rc8 19. h5 0-0 20. g6 Nc5 21. f3 Rfe8 22. Kb1 Bf6 23. Nb5 Bxb5 24. cxb5 Be7 25. Rh2 fxg6 26. hxg6 hxg6 27. Rg2 Kf7 28. Bg5 Bf8 29. Be3 Rc7 30. Rdg1 Rb8 31. Rxg6 Rxb5 32. R6g5 Rb8 33. f4 Nxe4 34. Rxa5 g6 35. Ra4 d5 36. Bd4 Bd6 37. Rh1 Rd8 38. Be5 Bxe5 39. fxe5 Kg7 40. Rxb4 Rdc8 41. Rh2 g5 42. Rb6 Rc6 43. Rxc6 Rxc6 44. Nc1 Kg6 45. Ne2 Nc3+ 46. Nxc3 Rxc3 47. Rf2 g4 48. Rf6+ Kg5 49. Rxe6 g3 50. Re8 Kf4 51. e6 g2 52. Rf8+ Kg3 53. Kb2 Re3 54. Rg8+ Kf2 55. Rf8+ Ke2 56. Rg8 Kf2 57. Rf8+ Ke1 58. Rg8 Kf2 1/2-1/2

[Event "NED-ch43 sf-B"]
[Site "Eindhoven"]
[Date "1987.11.22"]
[Round "5"]
[White "Timmerman, Gert Jan"]
[Black "Nieuwenhuis, Pieter"]
[Result "1/2-1/2"]
[ECO "B70"]
[WhiteElo "2295"]
[BlackElo "2355"]
[PlyCount "76"]
[EventDate "1987.11.07"]
[EventType "swiss"]
[EventRounds "7"]
[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. 0-0 Nc6 8. Nb3 0-0 9. Bg5 a6 10. f4 b5 11. Bf3 b4 12. Na4 Bb7 13. Qe2 Nd7 14. Rad1 Qc7 15. Qf2 h6 16. Bh4 e5 17. Bg4 f5 18. exf5 gxf5 19. Be2 Nd4 20. Nxd4 exd4 21. Rxd4 Bxd4 22. Qxd4 Nc5 23. Qxb4 Nxa4 24. Qxa4 Be4 25. Qc4+ Qxc4 26. Bxc4+ d5 27. Bb3 Rf7 28. Rd1 Rd7 29. c4 Rg7 30. cxd5 Rxg2+ 31. Kf1 Rxh2 32. d6+ Kg7 33. Be7 Bc6 34. Bd5 Bxd5 35. Rxd5 Rc8 36. Kg1 Rxb2 37. Rd1 Rcc2 38. d7 Rg2+ 1/2-1/2

[Event "NED-ch43 sf-B"]
[Site "Eindhoven"]
[Date "1987.11.21"]
[Round "4"]
[White "Konings, Leon"]
[Black "Nieuwenhuis, Pieter"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2240"]
[BlackElo "2355"]
[PlyCount "164"]
[EventDate "1987.11.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. 0-0 Bg7 5. e4 e6 6. c3 Nge7 7. d4 cxd4 8. cxd4 d5 9. e5 0-0 10. Bf4 Qb6 11. Qd2 Nf5 12. Rd1 f6 13. Nc3 Nfxd4 14. Nxd4 Qxd4 15. Qe2 Qc4 16. Qxc4 dxc4 17. exf6 Bxf6 18. Bd6 Rd8 19. Bf1 Bd4 20. Ba3 a6 21. Ne2 Bf6 22. Nf4 b5 23. Bg2 Bb7 24. Nxe6 Rxd1+ 25. Rxd1 b4 26. Nc5 bxa3 27. bxa3 c3 28. Nxb7 Nd4 29. Kf1 c2 30. Rc1 Be7 31. Na5 Rc8 32. Nb3 Bxa3 33. Nxd4 Bxc1 34. Be4 Kg7 35. Nxc2 Rc4 36. f3 Rc5 37. Nd4 Rc4 38. Nb3 Ba3 39. Ke2 Bd6 40. Nd2 Rc1 41. f4 Ra1 42. Bd5 Bb4 43. Nf3 a5 44. Kd3 Rc1 45. Bb3 Kf6 46. Ke4 h6 47. Kd5 Rf1 48. Ne5 h5 49. Ke4 Rf2 50. Nf3 Rg2 51. Kd3 Bc5 52. Bd5 Bg1 53. Nxg1 Rxg1 54. Ke2 h4 55. Kf3 Rd1 56. Bb3 Rd2 57. gxh4 Rxh2 58. Kg3 Rh1 59. Bd5 Rg1+ 60. Kf3 a4 61. Bc6 a3 62. Bb5 Ra1 63. Bc4 Rc1 64. Bd5 Rc5 65. Be4 Rc4 66. Ke3 Rc3+ 67. Bd3 Rb3 68. Ke4 Rb2 69. Bc4 Rh2 70. Kf3 Rxh4 71. Bd5 Rh2 72. Kg4 Rd2 73. Bg8 Rd1 74. Bb3 Rg1+ 75. Kf3 Rb1 76. Bd5 Rd1 77. Bc4 Rd4 78. Ba6 Rd2 79. Bc4 Rh2 80. Bd5 Rh3+ 81. Ke4 Rh1 82. Bb3 Rh4 0-1

[Event "NED-ch43 sf-B"]
[Site "Eindhoven"]
[Date "1987.11.20"]
[Round "3"]
[White "Nieuwenhuis, Pieter"]
[Black "Hendriks, Willy"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "2355"]
[PlyCount "90"]
[EventDate "1987.11.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 c5 4. Nc3 Nc6 5. e3 Nh6 6. Nge2 Nf5 7. 0-0 Rb8 8. Rb1 b6 9. a3 Bb7 10. d3 0-0 11. b4 d6 12. b5 Ne5 13. e4 Nd4 14. Nxd4 cxd4 15. Ne2 Nd7 16. g4 e6 17. g5 d5 18. cxd5 exd5 19. exd5 Nc5 20. Nf4 Be5 21. Qg4 Qd6 22. Bd2 Rbe8 23. h4 Bc8 24. Qf3 f6 25. Ne6 Bxe6 26. dxe6 Rxe6 27. Qc6 Kg7 28. f4 Qxc6 29. Bxc6 Bd6 30. Bb4 Re3 31. Rbd1 fxg5 32. fxg5 Rf4 33. Rxf4 Bxf4 34. Rf1 Nxd3 35. Bd5 h6 36. gxh6+ Kxh6 37. Bf8+ Kh5 38. Bf3+ Kxh4 39. Bg7 Ne5 40. Bg2 g5 41. Bf6 Kg4 42. Bb7 d3 43. Rf2 Kf5 44. Bd8 d2 45. Rxd2 Re1+ 0-1

[Event "NED-ch43 sf-B"]
[Site "Eindhoven"]
[Date "1987.11.08"]
[Round "2"]
[White "Beulen, Marcel"]
[Black "Nieuwenhuis, Pieter"]
[Result "1/2-1/2"]
[ECO "B70"]
[BlackElo "2355"]
[PlyCount "55"]
[EventDate "1987.11.07"]
[EventType "swiss"]
[EventRounds "7"]
[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. g3 Bg7 7. Bg2 0-0 8. 0-0 Bg4 9. Qd2 Qc8 10. Re1 Bh3 11. Nf5 Bxf5 12. exf5 Re8 13. fxg6 hxg6 14. Nd5 Nxd5 15. Qxd5 Nc6 16. c3 Qf5 17. Bf4 Qxd5 18. Bxd5 Bf6 19. h4 Red8 20. Rad1 Rac8 21. Rd3 e6 22. Bxc6 Rxc6 23. Red1 d5 24. Bg5 Bxg5 25. hxg5 Ra6 26. a3 Ra4 27. Rd4 Ra5 28. Rb4 1/2-1/2

[Event "NED-ch43 sf-B"]
[Site "Eindhoven"]
[Date "1987.11.07"]
[Round "1"]
[White "Nieuwenhuis, Pieter"]
[Black "De Boer, Gert Jan"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "2355"]
[BlackElo "2390"]
[PlyCount "78"]
[EventDate "1987.11.07"]
[EventType "swiss"]
[EventRounds "7"]
[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. Nf3 d5 4. cxd5 cxd5 5. Bg2 Nc6 6. d4 Bf5 7. Nc3 e6 8. Bf4 Be7 9. 0-0 0-0 10. Rc1 Rc8 11. Ne5 Qb6 12. Na4 Qa6 13. Nc5 Bxc5 14. dxc5 Qxa2 15. Nxc6 Rxc6 16. b4 Qb2 17. Bd2 Ne4 18. Bxe4 Bxe4 19. Bc3 Qa2 20. f3 Bg6 21. Qd4 f6 22. Ra1 Qxe2 23. Rxa7 Rc7 24. Re1 Qxf3 25. Re3 Qf5 26. g4 Qb1+ 27. Re1 Qc2 28. Rxe6 Be4 29. Qd2 Qb1+ 30. Qe1 Qd3 31. Qg3 Qd1+ 32. Be1 Rcf7 33. b5 f5 34. g5 f4 35. Qh4 Qd4+ 36. Qf2 Qd1 37. Qh4 Rf5 38. Rxb7 Rxg5+ 39. Kf1 Qd3+ 0-1

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1987.??.??"]
[Round "?"]
[White "Blees, Albert"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2345"]
[BlackElo "2355"]
[PlyCount "59"]
[EventDate "1987.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 g6 5. cxb5 a6 6. Nc3 axb5 7. d6 Bg7 8. e4 c4 9. Nxb5 0-0 10. e5 Ng4 11. Bg5 Nxe5 12. dxe7 Re8 13. Nxe5 Bxe5 14. Bxc4 Rxe7 15. 0-0 Bb7 16. Nd6 Bxd6 17. Qxd6 Nc6 18. Rad1 Re6 19. Bxe6 Qxg5 20. Qxd7 Nd8 21. Bd5 Bxd5 22. Rxd5 Qf6 23. Qe8+ Kg7 24. Rfd1 Qxb2 25. Rxd8 Rxd8 26. Qxd8 Qxa2 27. Qd5 Qc2 28. Qe5+ Kh6 29. Qe3+ Kg7 30. Rc1 1-0

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1987.??.??"]
[Round "?"]
[White "Brenninkmeijer, Joris"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2360"]
[BlackElo "2355"]
[PlyCount "69"]
[EventDate "1987.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. a4 bxc4 5. Nc3 g6 6. e4 d6 7. Bxc4 Bg7 8. Nf3 Bg4 9. h3 Bxf3 10. Qxf3 Nbd7 11. 0-0 0-0 12. Qe2 Rb8 13. f4 Ne8 14. Nb5 Rb7 15. a5 a6 16. Nc3 Nc7 17. Bxa6 Nxa6 18. Qxa6 Qa8 19. Qe2 Rfb8 20. Nd1 Rb5 21. a6 R8b6 22. a7 Bd4+ 23. Kh1 Rb7 24. Rf3 R5b6 25. Rfa3 Rc7 26. e5 dxe5 27. Ne3 exf4 28. Nc4 f3 29. Qxf3 Rf6 30. Bf4 Ne5 31. Nxe5 Bxe5 32. d6 Qxf3 33. a8Q+ Qxa8 34. Rxa8+ Kg7 35. dxc7 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "1987.??.??"]
[Round "6"]
[White "Hoeksema, Hendrik Pieter"]
[Black "Nieuwenhuis, Pieter"]
[Result "0-1"]
[ECO "B28"]
[BlackElo "2355"]
[PlyCount "110"]
[EventDate "1987.07.??"]
[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 a6 2. d4 b5 3. Nf3 Bb7 4. Bd3 e6 5. 0-0 Nf6 6. Nbd2 c5 7. c3 d6 8. a4 c4 9. Bc2 Nbd7 10. Re1 Be7 11. Nf1 Qc7 12. Bf4 0-0 13. Qb1 Nh5 14. Bd2 g6 15. Qd1 Bf6 16. g4 Ng7 17. Ng3 e5 18. d5 Nc5 19. Qe2 Be7 20. Bh6 f6 21. axb5 axb5 22. Rad1 Bc8 23. h3 Bd7 24. Nh2 g5 25. h4 Ra2 26. Bb1 Ra1 27. hxg5 fxg5 28. Nf5 Bxf5 29. gxf5 Bf6 30. Qg4 Qf7 31. Nf3 Qh5 32. Qxh5 Nxh5 33. Nxg5 Bxg5 34. Bxg5 Kf7 35. Be3 Nd7 36. Kg2 Nf4+ 37. Bxf4 exf4 38. Kf3 Ne5+ 39. Kxf4 Rg8 40. Ke3 h5 41. f4 Rg3+ 42. Ke2 Ng4 43. Rg1 Re3+ 44. Kd2 Rf3 45. Rdf1 Nh2 46. Rd1 Rxf4 47. Rg2 Nf1+ 48. Ke2 h4 49. Rg6 h3 50. Rh6 h2 51. Rxf1 Rxf1 52. Kxf1 Rxb1+ 53. Kg2 Rxb2+ 54. Kh1 b4 55. cxb4 c3 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "1987.??.??"]
[Round "7"]
[White "Nieuwenhuis, Pieter"]
[Black "Blees, Albert"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2355"]
[BlackElo "2345"]
[PlyCount "149"]
[EventDate "1987.07.??"]
[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 b6 4. Nh3 Ne7 5. a4 c5 6. c3 Nbc6 7. Na3 cxd4 8. cxd4 Nf5 9. Nc2 Bd7 10. Be3 Qh4 11. g3 Qe4 12. f3 Nxe3 13. fxe4 Nxd1 14. Kxd1 dxe4 15. Bg2 0-0-0 16. Ke2 Be8 17. Rhd1 f5 18. Nf4 Bf7 19. h4 Be7 20. Rac1 Kb8 21. d5 exd5 22. e6 Be8 23. Rxd5 Bh5+ 24. Kf1 Rxd5 25. Nxd5 Rd8 26. Nce3 Bc5 27. e7 Nxe7 28. Rxc5 bxc5 29. Nxe7 Rd3 30. N7xf5 g6 31. Bxe4 Rb3 32. Bc2 Rxb2 33. Nd6 Bf3 34. Ndc4 Rb4 35. a5 Bc6 36. Ke2 Kc7 37. g4 Rb8 38. Bd3 Rd8 39. Ne5 Ba4 40. N3c4 Rd4 41. Ke3 Bd1 42. h5 gxh5 43. gxh5 h6 44. Nf7 Bxh5 45. Nxh6 Bg6 46. Be2 Rh4 47. Ng4 Bh5 48. Nce5 Rh1 49. Nf2 Re1 50. Nf3 Ra1 51. Bc4 Rxa5 52. Nd3 Ra3 53. Nd2 Bg6 54. Nb3 Ra4 55. Nb2 Ra2 56. Nd3 Rc2 57. Nd2 Rc3 58. Ke2 Kd6 59. Ba6 Bxd3+ 60. Bxd3 Kd5 61. Ke3 a5 62. Ne4 Rb3 63. Nf6+ Kc6 64. Kd2 a4 65. Bc4 Rb4 66. Kc3 a3 67. Bd5+ Kb5 68. Ba2 Rb2 69. Bc4+ Kc6 70. Ne4 Rb1 71. Kc2 Rb4 72. Nd2 Rb2+ 73. Kc3 Kb6 74. Bb3 Kb5 75. Nc4 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "1987.??.??"]
[Round "8"]
[White "Nieuwenhuis, Pieter"]
[Black "Peek, Marcel"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2355"]
[PlyCount "74"]
[EventDate "1987.07.??"]
[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 Nge7 6. a3 cxd4 7. cxd4 Nf5 8. b4 Qb6 9. Be3 Nxe3 10. fxe3 Be7 11. Bd3 f5 12. exf6 Bxf6 13. Nc3 0-0 14. Rc1 a6 15. 0-0 Bd7 16. Qc2 g6 17. h4 Ne7 18. h5 gxh5 19. Bxh7+ Kh8 20. Kf2 Rac8 21. Rh1 Rxc3 22. Qxc3 Kxh7 23. Rxh5+ Kg8 24. Rch1 Be8 25. R5h3 Nf5 26. Qc5 Qc6 27. Ke2 Nd6 28. g4 Qb5+ 29. Qxb5 Bxb5+ 30. Ke1 Ne4 31. g5 Rc8 32. Kd1 Nf2+ 33. Ke1 Nxh3 34. Rxh3 Bg7 35. g6 Rc2 36. Ng5 Rg2 37. Nxe6 Bd7 0-1

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1987.??.??"]
[Round "?"]
[White "Nieuwenhuis, Pieter"]
[Black "Riemersma, Liafbern"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2355"]
[BlackElo "2395"]
[PlyCount "69"]
[EventDate "1987.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. Bc4 Nb6 6. Bb3 d6 7. e6 Bxe6 8. Bxe6 fxe6 9. Ng5 Qd7 10. d4 cxd4 11. cxd4 Nd5 12. 0-0 g6 13. Re1 Nc7 14. Qf3 0-0-0 15. Nf7 Nxd4 16. Qd3 Bg7 17. Nc3 e5 18. Nxh8 Bxh8 19. Be3 d5 20. Rac1 e4 21. Qd1 e5 22. Ne2 Nxe2+ 23. Rxe2 Kb8 24. Bg5 Re8 25. Rxe4 Qf5 26. Rg4 Ne6 27. Bh4 e4 28. Bg3+ Ka8 29. Qa4 Rf8 30. Qd7 Nd4 31. Rc7 Ne2+ 32. Kh1 Nxg3+ 33. hxg3 e3 34. fxe3 d4 35. exd4 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "1987.??.??"]
[Round "5"]
[White "Nieuwenhuis, Pieter"]
[Black "Rodriguez Cespedes, Amador"]
[Result "0-1"]
[ECO "B89"]
[WhiteElo "2355"]
[BlackElo "2515"]
[PlyCount "72"]
[EventDate "1987.07.??"]
[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 Nc6 6. Bc4 e6 7. Be3 a6 8. Qe2 Qc7 9. 0-0-0 Be7 10. Bb3 Na5 11. g4 b5 12. g5 Nxb3+ 13. axb3 Nd7 14. h4 b4 15. Na4 Nc5 16. h5 Bd7 17. Kb1 Bxa4 18. bxa4 Qb7 19. e5 dxe5 20. Nb3 Nxb3 21. cxb3 0-0 22. Ka2 Rad8 23. Rdg1 e4 24. g6 Bf6 25. Bc5 Rfe8 26. gxf7+ Kxf7 27. Be3 Rd3 28. Rc1 Qd5 29. Rc4 a5 30. Rhc1 Re7 31. R1c2 Rd7 32. Qg4 Rxb3 33. Qxe4 Rd3 34. b3 Rd1 35. Bc1 Qxe4 36. Rxe4 Rxc1 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "1987.??.??"]
[Round "1"]
[White "Nieuwenhuis, Pieter"]
[Black "Schlenga, Klaus"]
[Result "1/2-1/2"]
[ECO "B16"]
[WhiteElo "2355"]
[PlyCount "144"]
[EventDate "1987.07.??"]
[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. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Qd3 Na6 7. Bd2 Qb6 8. 0-0-0 Nb4 9. Bxb4 Qxb4 10. d5 Qf4+ 11. Kb1 Bf5 12. Nh3 Bxd3 13. Nxf4 Bxf1 14. Rhxf1 Bh6 15. Ne2 cxd5 16. Rxd5 e6 17. Rh5 Bg7 18. g4 0-0-0 19. Kc1 Rd7 20. c3 h6 21. Rd1 Rxd1+ 22. Kxd1 Bf8 23. f4 Bg7 24. Rc5+ Kd7 25. Ng3 Rd8 26. Nh5 Bf8 27. Rc4 Bd6 28. Ke2 Ke7 29. Rd4 Bc7 30. Rxd8 Bxd8 31. Kd3 Kd6 32. Ke4 Kc5 33. h3 Be7 34. Ng3 Kc6 35. Ne2 a6 36. a4 Kc5 37. b3 b5 38. axb5 axb5 39. Nc1 Kc6 40. Nd3 Kd6 41. Ne1 Kc5 42. Nf3 Kc6 43. h4 Kd6 44. h5 Bd8 45. Kd4 Be7 46. Nd2 Kc6 47. Ne4 Kd7 48. Nc5+ Kc6 49. Nd3 Kc7 50. c4 bxc4 51. Kxc4 Kc6 52. b4 Kb6 53. Nc5 Kc6 54. Ne4 f5 55. b5+ Kb6 56. gxf5 exf5 57. Nc3 Bd6 58. Nd5+ Ka5 59. Ne3 Kb6 60. Nxf5 Bxf4 61. Ne7 Bg5 62. Nd5+ Kb7 63. Kd4 Ka7 64. Kc5 Kb7 65. Kd6 f5 66. Ke5 f4 67. Nxf4 Kb6 68. Ne6 Bc1 69. Kf5 Kxb5 70. Kg6 Kc6 71. Nd4+ Kd6 72. Nf5+ Ke6 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "1987.??.??"]
[Round "3"]
[White "Nieuwenhuis, Pieter"]
[Black "Schwartz, Arie"]
[Result "1/2-1/2"]
[ECO "A54"]
[WhiteElo "2355"]
[PlyCount "86"]
[EventDate "1987.07.??"]
[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. Nc3 Nf6 3. Nf3 d6 4. g3 Be7 5. Bg2 0-0 6. d4 Nbd7 7. 0-0 c6 8. Qc2 Re8 9. Rd1 Qc7 10. b3 Bf8 11. d5 a5 12. Ba3 h6 13. Rac1 Nb6 14. dxc6 bxc6 15. Nd2 Bb7 16. Nde4 Nxe4 17. Nxe4 Nc8 18. Qd2 c5 19. Nc3 Bxg2 20. Kxg2 Nb6 21. Nd5 Qb7 22. e4 Nxd5 23. Qxd5 Qxd5 24. Rxd5 Reb8 25. Rb1 Rb6 26. Rd2 Be7 27. Bb2 g6 28. Bc3 f5 29. f3 Kf7 30. Kf2 Ke6 31. Ke2 h5 32. Rd3 Rb7 33. Bd2 Rab8 34. a3 Ra8 35. Be1 Bd8 36. Rb2 Rab8 37. Kd1 Bc7 38. Ke2 Bd8 39. Rb1 Bc7 40. Bd2 Bd8 41. Be1 Bc7 42. Rb2 Bd8 43. Kd1 Bc7 1/2-1/2

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1987.??.??"]
[Round "?"]
[White "Nieuwenhuis, Pieter"]
[Black "Timmerman, Gert Jan"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2355"]
[BlackElo "2310"]
[PlyCount "64"]
[EventDate "1987.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Nf3 Nc6 4. c3 dxc3 5. Bc4 cxb2 6. Bxb2 d6 7. Nc3 Be7 8. Qb3 Nh6 9. Nd5 f6 10. Qc3 Nf7 11. Rc1 0-0 12. h4 Kh8 13. h5 Nh6 14. Nh4 Ne5 15. Bb3 c6 16. Ne3 d5 17. Bc2 Qb6 18. 0-0 Bb4 19. Qb3 Bd2 20. Rcd1 Qxb3 21. axb3 Bxe3 22. fxe3 Bg4 23. Ra1 Rad8 24. exd5 Rxd5 25. Bd4 a6 26. b4 Re8 27. Bb3 Rd7 28. Nf3 Nxf3+ 29. gxf3 Bxh5 30. Rae1 Bf7 31. Bc2 Bc4 32. Rf2 Rxd4 0-1

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1987.??.??"]
[Round "?"]
[White "Nieuwenhuis, Pieter"]
[Black "Van Mil, Johan"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2355"]
[BlackElo "2395"]
[PlyCount "70"]
[EventDate "1987.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 d4 5. Bd3 Ne7 6. 0-0 Ng6 7. g3 Bd7 8. cxd4 Bc6 9. Nc3 cxd4 10. Ne4 Qd5 11. Re1 Nd7 12. Nd6+ Bxd6 13. Be4 Qc5 14. b4 Qxb4 15. Rb1 Qc5 16. Bxc6 bxc6 17. exd6 Qxd6 18. Qa4 0-0 19. Ba3 c5 20. Rb7 Nb6 21. Qa6 Qd5 22. Nh4 Nxh4 23. gxh4 Nc4 24. Rc7 Nxd2 25. Rxc5 Nf3+ 26. Kh1 Qxa2 27. Re2 Qb3 28. Rh5 Qb1+ 29. Kg2 Qg6+ 30. Rg5 Nxh4+ 31. Kf1 Qxg5 32. Bxf8 Qg2+ 33. Ke1 Rxf8 34. Qxa7 Nf3+ 35. Kd1 Qf1+ 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "1987.??.??"]
[Round "4"]
[White "Perez Garcia, Hebert"]
[Black "Nieuwenhuis, Pieter"]
[Result "0-1"]
[ECO "A08"]
[BlackElo "2355"]
[PlyCount "110"]
[EventDate "1987.07.??"]
[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 Nc6 3. d3 Nf6 4. g3 d5 5. Nbd2 g6 6. Bg2 Bg7 7. 0-0 0-0 8. Re1 e6 9. c3 Rb8 10. e5 Nd7 11. d4 b5 12. Nf1 b4 13. h4 bxc3 14. bxc3 Qa5 15. Bd2 Qb6 16. Kh1 Qb2 17. Qa4 Qb5 18. Qc2 Ba6 19. Be3 Qb2 20. Qd2 cxd4 21. cxd4 Qxd2 22. N1xd2 Nb4 23. Rec1 Rfc8 24. Ne1 Rxc1 25. Rxc1 Nxa2 26. Rc7 Rb7 27. Rc8+ Nf8 28. Bf1 Bxf1 29. Nxf1 Nb4 30. Nd2 Na6 31. Nd3 Rb8 32. Rc3 Nd7 33. Nb3 Bf8 34. Kg2 Nb6 35. Na5 Rc8 36. Rb3 Be7 37. Bh6 Rc7 38. Rb5 Bf8 39. Bg5 Rc3 40. Ne1 Nc7 41. Rb1 Ne8 42. Bd2 Rc7 43. Nd3 h5 44. Nb3 Nc4 45. Be1 Rb7 46. Ndc1 Nc7 47. Ra1 Nb5 48. Ra4 Nba3 49. Bc3 Nc2 50. Kf1 Bh6 51. Ke2 N2a3 52. Kd3 Nb5 53. f4 Bf8 54. Na5 Nxc3 55. Kxc3 Nxa5 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "1987.??.??"]
[Round "9"]
[White "Van Mil, Johan"]
[Black "Nieuwenhuis, Pieter"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2395"]
[BlackElo "2355"]
[PlyCount "107"]
[EventDate "1987.07.??"]
[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. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 d6 6. Bc4 e6 7. cxd4 Nc6 8. 0-0 Be7 9. a3 a5 10. Nbd2 0-0 11. Re1 a4 12. exd6 Bxd6 13. Ne4 Be7 14. Qd3 h6 15. Ng3 b6 16. Bd2 Na5 17. Bxa5 Rxa5 18. Ne5 Bb7 19. Nh5 Nf6 20. Nf4 Nd5 21. Nh5 Nf6 22. Nf4 Nd5 23. Nxd5 Bxd5 24. Rac1 Bf6 25. Qe3 Bxc4 26. Rxc4 Rb5 27. Qe2 Bxe5 28. dxe5 Qa8 29. Rd1 Qa5 30. Re4 Rc8 31. h4 Rbc5 32. Rd7 R5c7 33. Red4 Rc1+ 34. Kh2 Re1 35. Rd8+ Rxd8 36. Rxd8+ Kh7 37. Qd3+ g6 38. f4 Qc5 39. Qd4 Qc1 40. Qd2 Rh1+ 41. Kg3 Qg1 42. Rf8 Qh2+ 43. Kf3 Rf1+ 44. Ke4 Qxh4 45. Rxf7+ Kg8 46. Rd7 Re1+ 47. Kd3 Qg3+ 48. Kd4 Rf1 49. Ke4 Re1+ 50. Kd4 g5 51. Rb7 Rf1 52. Rb8+ Kg7 53. Rb7+ Kg8 54. Rb8+ 1/2-1/2

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1987.??.??"]
[Round "?"]
[White "Van de Oudeweetering, Arthur"]
[Black "Nieuwenhuis, Pieter"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2270"]
[BlackElo "2355"]
[PlyCount "110"]
[EventDate "1987.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. Bc4 e6 7. cxd4 b5 8. Bxd5 exd5 9. 0-0 b4 10. Bg5 Qb6 11. h3 h6 12. Bh4 a5 13. Qd2 g5 14. Bg3 Be7 15. Qe3 Ba6 16. Rd1 Rc8 17. a4 Nd8 18. Nbd2 Ne6 19. Rac1 0-0 20. Nf1 Ng7 21. Qd2 Nf5 22. Ne3 Nxe3 23. Qxe3 Qg6 24. Qd2 Bc4 25. Qe3 Ba6 26. Qd2 Qe4 27. Nh2 Qe2 28. Qxe2 Bxe2 29. Re1 Bc4 30. Ng4 Kh7 31. Nf6+ Bxf6 32. exf6 Kg6 33. Bd6 Rfe8 34. Rxe8 Rxe8 35. Bc7 b3 36. Bxa5 Ra8 37. Bc3 Rxa4 38. Kh2 Bd3 39. Kg3 Rc4 40. Rd1 Bc2 41. Rc1 Kxf6 42. Bd2 Kf5 43. Re1 Rxd4 44. Bc1 Re4 45. Rf1 h5 46. Kh2 d4 47. Kg1 Re2 48. f3 h4 49. Rf2 Re6 50. Bd2 d3 51. Rf1 d5 52. Re1 Ra6 53. Bc3 d4 54. Bd2 Ra2 55. Bc1 d2 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "1987.??.??"]
[Round "2"]
[White "Vanheste, Jeroen"]
[Black "Nieuwenhuis, Pieter"]
[Result "1/2-1/2"]
[ECO "B37"]
[WhiteElo "2325"]
[BlackElo "2355"]
[PlyCount "119"]
[EventDate "1987.07.??"]
[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 c5 2. c4 g6 3. Nc3 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Nc2 Bxc3+ 7. bxc3 Qa5 8. Bd2 Nf6 9. f3 0-0 10. e4 d6 11. Be2 Be6 12. Ne3 Nd7 13. 0-0 Nc5 14. Nd5 f5 15. exf5 Bxf5 16. Bg5 Rf7 17. Re1 Raf8 18. Bf1 Qd8 19. Qd2 Bc8 20. Re3 Qd7 21. Rae1 e6 22. Nb4 Ne5 23. Rd1 Rf5 24. f4 Ng4 25. Ree1 h6 26. Be2 hxg5 27. Bxg4 Rxf4 28. h3 Kh7 29. g3 Rxc4 30. Qxg5 Qd8 31. Qe3 Re4 32. Qd2 Rxe1+ 33. Rxe1 Qf6 34. Qe3 b6 35. Nc6 a5 36. Be2 Qg7 37. Nd4 e5 38. Nf3 Kh8 39. Rd1 Rf6 40. Qg5 Bb7 41. Nxe5 Ne4 42. Qh4+ Qh7 43. Qxh7+ Kxh7 44. Ng4 Rf7 45. Rd3 d5 46. Bf1 Ba6 47. Rd1 Bxf1 48. Rxf1 Rxf1+ 49. Kxf1 Nxc3 50. Ke1 Kg7 51. a3 b5 52. Kd2 Ne4+ 53. Kd3 Nxg3 54. Kd4 Ne4 55. Ne3 Nd6 56. Kc5 b4 57. axb4 axb4 58. Kxb4 Kh6 59. Kc5 Kg5 60. Nxd5 1/2-1/2

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1987.??.??"]
[Round "?"]
[White "Vanheste, Jeroen"]
[Black "Nieuwenhuis, Pieter"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "2290"]
[BlackElo "2355"]
[PlyCount "69"]
[EventDate "1987.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. c4 g6 5. cxb5 a6 6. Nc3 axb5 7. d6 Qa5 8. e3 Ba6 9. b4 Qxb4 10. Bd2 c4 11. a4 Qxd6 12. axb5 Bb7 13. Rxa8 Bxa8 14. Bxc4 Bg7 15. Qa4 Bxf3 16. gxf3 0-0 17. Qa2 Qe5 18. 0-0 e6 19. Be2 d5 20. Rb1 d4 21. exd4 Qxd4 22. b6 Rd8 23. Be1 Nh5 24. Ne4 Nf4 25. Bc3 Qd5 26. Bc4 Qh5 27. Qa8 Bxc3 28. Bf1 Be5 29. Ng3 Qg5 30. b7 h5 31. Kh1 h4 32. Ne4 Qh5 33. Rb3 Kg7 34. Qa5 Rd1 35. Qb5 0-1

[Event "NED-ch42 sf-B"]
[Site "Eindhoven"]
[Date "1986.11.30"]
[Round "7"]
[White "Van Mil, Johan"]
[Black "Nieuwenhuis, Pieter"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2395"]
[BlackElo "2370"]
[PlyCount "141"]
[EventDate "1986.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 d6 6. Bc4 e6 7. cxd4 Nc6 8. 0-0 Be7 9. Qe2 0-0 10. a3 a5 11. Qe4 a4 12. Bd3 f5 13. exf6 Nxf6 14. Qh4 Ra5 15. Nc3 Rh5 16. Qg3 e5 17. dxe5 Ng4 18. Bc4+ Kh8 19. e6 Nce5 20. Nxe5 Nxe5 21. Be2 Bh4 22. Qe3 Rhf5 23. f4 Bxe6 24. g3 Bc4 25. gxh4 Qxh4 26. Qg3 Qd8 27. Be3 Bxe2 28. Nxe2 Nc6 29. Nd4 R5f6 30. f5 Qd7 31. Rae1 Rg8 32. Nxc6 bxc6 33. Bd4 Rf7 34. Re3 c5 35. Qg6 Rf6 36. Bxf6 gxf6 37. Qxg8+ Kxg8 38. Re6 Kf7 39. Rf3 Qc6 40. Rfe3 Kg7 41. Rg3+ Kf7 42. Rd3 c4 43. Rexd6 Qc5+ 44. R3d4 Qxf5 45. Rd7+ Kg6 46. Rd2 Qc5+ 47. Kf1 h5 48. Rg2+ Kf5 49. Rh7 Ke6 50. Re2+ Kd6 51. Rf2 Qd4 52. Rg7 h4 53. Ke1 Qe3+ 54. Re2 Qc1+ 55. Kf2 c3 56. bxc3 Qxc3 57. Rg4 Qc5+ 58. Kg2 Qd5+ 59. Kg1 h3 60. Rg3 Qd4+ 61. Kf1 Qf4+ 62. Rf2 Qc4+ 63. Ke1 Qc1+ 64. Ke2 Qc2+ 65. Ke1 Qc1+ 66. Ke2 Qc2+ 67. Ke3 Qc5+ 68. Kf3 Qf5+ 69. Ke3 Qc5+ 70. Kf3 Qf5+ 71. Ke3 1/2-1/2

[Event "NED-ch42 sf-B"]
[Site "Eindhoven"]
[Date "1986.11.29"]
[Round "6"]
[White "Nieuwenhuis, Pieter"]
[Black "Webbink, Dinand"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "2370"]
[PlyCount "95"]
[EventDate "1986.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[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 a6 6. Bg5 e6 7. f4 Qc7 8. Qf3 Nc6 9. 0-0-0 Bd7 10. Bxf6 gxf6 11. f5 0-0-0 12. fxe6 fxe6 13. Nxc6 Qxc6 14. Qxf6 Rg8 15. Qd4 Rg5 16. g3 Kc7 17. Rd3 Bg7 18. Qe3 Rc5 19. Bg2 Be5 20. Rf1 b5 21. Qd2 Rc8 22. Nd1 Be8 23. Bh3 Kb8 24. Ne3 Qd7 25. Qa5 R5c6 26. Rf2 Bg6 27. Qb4 Ka7 28. Qb3 Rc4 29. Rdd2 Bxe4 30. Nxc4 Rxc4 31. Bf1 Qc6 32. Bxc4 Qxc4 33. Qxc4 bxc4 34. Rde2 Bg6 35. Rxe5 dxe5 36. Kd2 Kb6 37. Kc3 Kc5 38. Rf8 e4 39. Rc8+ Kd5 40. Rxc4 e3 41. Rd4+ Ke5 42. Rf4 Be4 43. b4 Kd5 44. a4 e5 45. Rf6 e2 46. Kd2 Bxc2 47. Rxa6 Bd3 48. Rb6 1-0

[Event "NED-ch42 sf-B"]
[Site "Eindhoven"]
[Date "1986.11.16"]
[Round "5"]
[White "Bartels, Hans A"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "D34"]
[BlackElo "2370"]
[PlyCount "79"]
[EventDate "1986.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. g3 Nc6 4. Bg2 e6 5. Nf3 Be7 6. d4 d5 7. cxd5 exd5 8. 0-0 0-0 9. b3 Ne4 10. Bb2 Bf6 11. Na4 b6 12. Rc1 Ba6 13. dxc5 Bxb2 14. Nxb2 bxc5 15. Na4 Re8 16. Re1 Qd6 17. Nd2 Nd4 18. e3 Be2 19. Nxe4 dxe4 20. Rxe2 Nxe2+ 21. Qxe2 Rac8 22. Qc4 Qd2 23. Qc2 Qb4 24. Nb2 Rcd8 25. Nc4 f5 26. g4 g6 27. gxf5 gxf5 28. Rd1 Qb8 29. Bh3 Rf8 30. Kh1 Rf6 31. Rg1+ Kf7 32. Qe2 Rg8 33. Qh5+ Ke6 34. Rxg8 Qxg8 35. Qd1 Qb8 36. f4 Rf8 37. Ne5 Qd8 38. Qh5 Qd2 39. Bxf5+ Rxf5 40. Qe8+ 1-0

[Event "NED-ch42 sf-B"]
[Site "Eindhoven"]
[Date "1986.11.15"]
[Round "4"]
[White "Nieuwenhuis, Pieter"]
[Black "Welling, Gerard J"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "2370"]
[BlackElo "2335"]
[PlyCount "65"]
[EventDate "1986.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Bc4 cxb2 6. Bxb2 d6 7. Nc3 Be6 8. Nd5 Qd7 9. Rc1 Nge7 10. 0-0 Nd8 11. Nxc7+ Qxc7 12. Bxe6 Nec6 13. Bd5 Be7 14. Bxg7 Rg8 15. Ba1 Qd7 16. Nd4 Nxd4 17. Bxd4 Ne6 18. Be3 Bg5 19. f4 Bf6 20. Rf2 Rc8 21. Rxc8+ Qxc8 22. Qa4+ Kf8 23. Rc2 Nc5 24. e5 Qf5 25. Rxc5 dxc5 26. Be4 Qh3 27. Bxc5+ Be7 28. Qxa7 Qc3 29. Bxe7+ Kxe7 30. Qxb7+ Kf8 31. g3 Qe1+ 32. Kg2 Qe2+ 33. Kg1 1/2-1/2

[Event "NED-ch42 sf-B"]
[Site "Eindhoven"]
[Date "1986.11.14"]
[Round "3"]
[White "Peek, Marcel"]
[Black "Nieuwenhuis, Pieter"]
[Result "1/2-1/2"]
[ECO "A57"]
[BlackElo "2370"]
[PlyCount "68"]
[EventDate "1986.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 g6 5. cxb5 a6 6. Nc3 axb5 7. d6 Bg7 8. Bf4 Nc6 9. e3 Ba6 10. Bxb5 Bxb5 11. Nxb5 Qa5+ 12. Nc3 Ne4 13. 0-0 Nxc3 14. bxc3 e6 15. e4 0-0 16. Bd2 Bxc3 17. Bxc3 Qxc3 18. Rc1 Qb4 19. Qc2 Ra4 20. e5 Rfa8 21. Qxc5 Qxc5 22. Rxc5 Rxa2 23. h4 R8a5 24. Rfc1 Ra1 25. Kh2 Rxc1 26. Rxc1 Nxe5 27. Nxe5 Rxe5 28. Rc7 Rd5 29. Rxd7 h5 30. f3 Kf8 31. g4 Ke8 32. Re7+ Kf8 33. Rd7 Ke8 34. Re7+ Kf8 1/2-1/2

[Event "NED-ch42 sf-B"]
[Site "Eindhoven"]
[Date "1986.11.09"]
[Round "2"]
[White "Nieuwenhuis, Pieter"]
[Black "De Smit, Rudi"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2370"]
[PlyCount "101"]
[EventDate "1986.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. c4 c6 4. b3 Bg7 5. Bb2 0-0 6. Bg2 d5 7. 0-0 Bf5 8. d3 Re8 9. Nbd2 Nbd7 10. Qc2 e5 11. e4 Bg4 12. b4 Rc8 13. Rfe1 d4 14. c5 b5 15. a4 a6 16. axb5 axb5 17. Nb3 Qc7 18. Ra5 Ra8 19. Rea1 Rxa5 20. Rxa5 Be6 21. Ra3 Qb7 22. Ng5 Ra8 23. Na5 Qc7 24. Nxe6 fxe6 25. Qb3 Nf8 26. Bh3 Qd7 27. Bc1 Nh5 28. Qa2 h6 29. Nb3 Rxa3 30. Qxa3 Qb7 31. Qa5 g5 32. Qd8 Qf7 33. Bg4 Nf6 34. Be2 Qd7 35. Qa8 Ne8 36. Na5 Nc7 37. Qb7 Ne8 38. Qb6 Qc7 39. Qa6 Nd7 40. Nxc6 Nf8 41. Na7 Qf7 42. Nxb5 Ng6 43. Bg4 Nf8 44. Nd6 Nxd6 45. cxd6 h5 46. Be2 g4 47. Qb6 Qe8 48. b5 Qd7 49. Kg2 Bf6 50. Bh6 Bd8 51. Qc6 1-0

[Event "NED-ch42 sf-B"]
[Site "Eindhoven"]
[Date "1986.11.08"]
[Round "1"]
[White "Bor, Willem"]
[Black "Nieuwenhuis, Pieter"]
[Result "1/2-1/2"]
[ECO "B53"]
[BlackElo "2370"]
[PlyCount "51"]
[EventDate "1986.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[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 Nf6 4. Nc3 cxd4 5. Qxd4 a6 6. Be3 Ng4 7. Bg5 Nc6 8. Qd2 h6 9. Bh4 Qa5 10. Nd5 Qxd2+ 11. Nxd2 Rb8 12. 0-0-0 b5 13. Nb3 g5 14. Bg3 Bg7 15. h4 Nge5 16. hxg5 hxg5 17. Rxh8+ Bxh8 18. Be2 Nc4 19. c3 Be5 20. Bxe5 N4xe5 21. Rh1 Ng6 22. Rh5 e6 23. Ne3 Nf4 24. Rh8+ Ke7 25. Bf1 Bb7 26. Rxb8 1/2-1/2

[Event "Utrecht op"]
[Site "Utrecht"]
[Date "1986.??.??"]
[Round "3"]
[White "De Jong, Tom"]
[Black "Nieuwenhuis, Pieter"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "2295"]
[PlyCount "104"]
[EventDate "1986.10.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. Bg5 Rc5 14. f4 Nc4 15. Qd3 b5 16. Bxf6 Bxf6 17. e5 Bg7 18. Ne4 Qb6 19. Nxc5 Qxc5 20. e6 fxe6 21. Qxg6 Rxf4 22. Nf3 Qf5 23. Qxf5 exf5 24. c3 Bh6 25. Kb1 Bc6 26. Nd4 Be4+ 27. Ka1 d5 28. Nxb5 Ne3 29. Rde1 Nxg2 30. Rxe4 fxe4 31. Bxd5+ Kf8 32. Nd4 Ke8 33. a4 Nxh4 34. Ne6 Rg4 35. c4 e3 36. c5 Nf5 37. c6 Rxa4+ 38. Kb1 Ra5 39. Re1 Nd6 40. b4 Ra4 41. Bf3 Rxb4+ 42. Kc2 Kf7 43. Nd8+ Kg6 44. Kd3 e5 45. Rg1+ Kf6 46. Bxh5 Rd4+ 47. Kc2 Bg5 48. Kb3 a5 49. Ra1 Kf5 50. Rxa5 Bxd8 51. Ra7 Nb5 52. Rb7 Nc7 0-1

[Event "Utrecht op"]
[Site "Utrecht"]
[Date "1986.??.??"]
[Round "2"]
[White "Nieuwenhuis, Pieter"]
[Black "Nunn, John DM"]
[Result "0-1"]
[ECO "B97"]
[BlackElo "2585"]
[PlyCount "70"]
[EventDate "1986.10.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd3 Qxb2 9. Rb1 Qa3 10. Be2 Nbd7 11. 0-0 Qc5 12. Kh1 Be7 13. a4 Qc7 14. Rf3 h6 15. Rh3 Nc5 16. Qe3 Qa5 17. e5 dxe5 18. fxe5 Ng4 19. Bxg4 Bxg5 20. Qe2 0-0 21. Nf3 Be7 22. Ne4 Nxe4 23. Qxe4 Rd8 24. Bh5 f5 25. exf6 Bxf6 26. Rf1 Bd7 27. Nd4 Qxa4 28. Rd3 Rf8 29. Bf3 Rae8 30. c3 Qc4 31. Qg6 Bxd4 32. cxd4 Rf6 33. Qe4 Bc6 34. Qe2 Bb5 35. Be4 Qc2 0-1

[Event "Utrecht op"]
[Site "Utrecht"]
[Date "1986.??.??"]
[Round "4"]
[White "Nieuwenhuis, Pieter"]
[Black "Timman, Jan H"]
[Result "0-1"]
[ECO "D89"]
[BlackElo "2645"]
[PlyCount "74"]
[EventDate "1986.10.??"]
[EventType "swiss"]
[EventRounds "5"]
[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 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 c5 9. 0-0 Nc6 10. Be3 Bg4 11. f3 cxd4 12. cxd4 Na5 13. Bd3 Be6 14. d5 Bxa1 15. Qxa1 f6 16. Rb1 Re8 17. Nf4 Bf7 18. Bb5 Rf8 19. h4 a6 20. Be2 b5 21. e5 fxe5 22. Qxe5 Qd6 23. Qg5 Qf6 24. Qh6 Qg7 25. Qg5 Qf6 26. Qh6 Nc4 27. Bxc4 bxc4 28. Rb6 Qa1+ 29. Kf2 Rab8 30. Ne2 Qg7 31. Qg5 Rxb6 32. Bxb6 Qf6 33. Qxf6 exf6 34. d6 Be6 35. Ke3 Rb8 36. Bc7 Rb2 37. Nf4 Kf7 0-1

[Event "Utrecht op"]
[Site "Utrecht"]
[Date "1986.??.??"]
[Round "1"]
[White "Nieuwenhuis, Pieter"]
[Black "Van der Tuuk, Jaap"]
[Result "0-1"]
[ECO "E13"]
[PlyCount "74"]
[EventDate "1986.10.??"]
[EventType "swiss"]
[EventRounds "5"]
[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. Nf3 b6 4. Nc3 Bb4 5. Bg5 Bb7 6. e3 h6 7. Bh4 g5 8. Bg3 Ne4 9. Qc2 Bxc3+ 10. bxc3 d6 11. Nd2 Nxd2 12. Qxd2 Nd7 13. f3 Qe7 14. Bd3 0-0-0 15. 0-0 f5 16. e4 f4 17. Bf2 e5 18. a4 a5 19. Rfb1 h5 20. Rb5 g4 21. c5 dxc5 22. dxc5 g3 23. hxg3 fxg3 24. Be3 Qh4 25. cxb6 Nxb6 26. Qe2 Rxd3 27. Qxd3 Rd8 28. Qe2 Bxe4 29. Rd1 Rxd1+ 30. Qxd1 Nc4 31. Qe2 Qh2+ 32. Kf1 Nxe3+ 33. Qxe3 Qh1+ 34. Ke2 Qxg2+ 35. Ke1 Qh1+ 36. Kd2 Qh2+ 37. Qe2 Bxf3 0-1

[Event "Utrecht op"]
[Site "Utrecht"]
[Date "1986.??.??"]
[Round "5"]
[White "Schenk, Andre"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "123"]
[EventDate "1986.10.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. g4 e5 10. Nde2 Be6 11. 0-0-0 Qa5 12. Kb1 b5 13. g5 Nh5 14. Nd5 b4 15. Nc1 Rfb8 16. Nb3 Qd8 17. Ba6 Na5 18. Qd3 Bf8 19. Rd2 Nb7 20. Nxb4 Nc5 21. Nxc5 Rxb4 22. Nxe6 fxe6 23. Bc4 Qc8 24. Bb3 a5 25. c3 Rb7 26. Qc4 Kf7 27. Qxc8 Rxc8 28. Rc1 Nf4 29. Bd1 Be7 30. h4 h6 31. a3 hxg5 32. hxg5 Rd8 33. b4 d5 34. Bxf4 exf4 35. exd5 e5 36. Rh2 Kg7 37. Bb3 axb4 38. axb4 Bxg5 39. Rg1 Be7 40. Bc2 Rb6 41. Rhg2 g5 42. Be4 Rh8 43. Kb2 Kf6 44. Ra1 Rh4 45. Kb3 g4 46. Rxg4 Rxg4 47. fxg4 Kg5 48. Ra7 Bf6 49. c4 Kxg4 50. c5 Rb8 51. Rf7 Bd8 52. Kc4 Kg3 53. c6 Kf2 54. c7 Rc8 55. d6 Ke3 56. Bh1 e4 57. Kd5 Bxc7 58. Rxc7 Rb8 59. d7 Rxb4 60. Rc3+ Kd2 61. Rc4 Rb8 62. Kxe4 1-0

[Event "NED Open-ch14"]
[Site "Dieren"]
[Date "1983.08.??"]
[Round "9"]
[White "De Ruyter, Luuk"]
[Black "Nieuwenhuis, Pieter"]
[Result "0-1"]
[ECO "A58"]
[PlyCount "70"]
[EventDate "1983.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nf3 g6 7. g3 Bg7 8. Bg2 d6 9. 0-0 0-0 10. Nc3 Qb6 11. Rb1 Nbd7 12. b3 Rfb8 13. Qc2 Ne8 14. Bd2 Nc7 15. Rfd1 Nb5 16. Nxb5 Bxb5 17. Be3 Qa6 18. Rd2 Qa3 19. Qe4 Nf6 20. Qxe7 Re8 21. Qb7 Ba6 22. Qc6 Ne4 23. Rc2 Nc3 24. Re1 Red8 25. Qb6 Nxa2 26. Bg5 f6 27. Ra1 Qb4 28. Qc7 Nc3 29. Rxa6 fxg5 30. Ra7 Rxa7 31. Qxd8+ Bf8 32. Nxg5 Qxb3 33. Ne6 Rf7 34. Rd2 Qb1+ 35. Bf1 Ne4 0-1

[Event "NED Open-ch14"]
[Site "Dieren"]
[Date "1983.08.??"]
[Round "1"]
[White "Kuijf, Hans"]
[Black "Nieuwenhuis, Pieter"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "2345"]
[PlyCount "79"]
[EventDate "1983.08.??"]
[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 c5 2. f4 Nf6 3. d3 d5 4. e5 Bg4 5. Qd2 Ng8 6. h3 Bd7 7. Nf3 f5 8. g3 e6 9. Bg2 Ne7 10. 0-0 Nbc6 11. c3 Rc8 12. Qe2 d4 13. c4 Qc7 14. g4 Nd8 15. b4 cxb4 16. Nxd4 Bc6 17. Be3 Bxg2 18. Nb5 Qc6 19. Qxg2 Qxg2+ 20. Kxg2 Nec6 21. Nxa7 Nxa7 22. Bxa7 fxg4 23. hxg4 Nc6 24. Bb6 g5 25. Nd2 gxf4 26. Ne4 Nxe5 27. Bd4 f3+ 28. Kh3 Bg7 29. Nd6+ Ke7 30. Nxc8+ Rxc8 31. Rab1 Rd8 32. Bc5+ Ke8 33. Rxb4 Rxd3 34. Rxb7 Nd7 35. Bf2 Bf8 36. a4 e5 37. a5 Ra3 38. Rd1 Bc5 39. Rdxd7 Bxf2 40. Rxh7 1-0

[Event "NED Open-ch14"]
[Site "Dieren"]
[Date "1983.08.??"]
[Round "2"]
[White "Nieuwenhuis, Pieter"]
[Black "Ton, P."]
[Result "1-0"]
[ECO "C02"]
[PlyCount "60"]
[EventDate "1983.08.??"]
[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. Nf3 Qb6 6. a3 a5 7. Bd3 Bd7 8. 0-0 cxd4 9. cxd4 Nxd4 10. Nxd4 Qxd4 11. Nc3 Qb6 12. Nb5 Bc5 13. Qe2 Ne7 14. Be3 d4 15. Bd2 a4 16. Rac1 Nd5 17. Rxc5 Qxc5 18. Nd6+ Ke7 19. Bc4 Bc6 20. Qg4 Rhg8 21. Bxd5 Qxd5 22. Bb4 Kd7 23. Nxf7 Kc7 24. Ng5 Rae8 25. Bd6+ Kb6 26. Rd1 d3 27. Qg3 Bb5 28. Qe3+ Ka6 29. Bc7 Qc6 30. Rc1 Bc4 1-0

[Event "NED open-ch 11"]
[Site "Dieren"]
[Date "1980.08.06"]
[Round "7"]
[White "Nieuwenhuis, Pieter"]
[Black "Bouwmeester, Andre"]
[Result "1/2-1/2"]
[ECO "C18"]
[PlyCount "63"]
[EventDate "1980.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 Bd7 12. Qd3 dxc3 13. Rb1 0-0-0 14. Nxc3 Na5 15. Nb5 Bxb5 16. Rxb5 Kb8 17. Bd2 Nc4 18. Qc3 Nf5 19. g3 Qc6 20. Rb3 d4 21. Qf3 Rd5 22. Bxc4 Qxc4 23. Qd3 Qc6 24. Kf2 Ne3 25. Rhb1 Rxe5 26. Rxb7+ Ka8 27. Rxa7+ Kxa7 28. Qxd4+ Ka8 29. fxe5 Ng4+ 30. Kg1 Nxh2 31. Qc3 Qxc3 32. Bxc3 1/2-1/2

[Event "NED open-ch 11"]
[Site "Dieren"]
[Date "1980.08.04"]
[Round "5"]
[White "Nieuwenhuis, Pieter"]
[Black "Van der Berg, A."]
[Result "0-1"]
[ECO "B61"]
[PlyCount "80"]
[EventDate "1980.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Qd2 Nxd4 8. Qxd4 Qa5 9. f4 e5 10. Qd2 Be7 11. Bc4 Rc8 12. Bb3 Rxc3 13. Qxc3 Qxc3+ 14. bxc3 Nxe4 15. Bxe7 Kxe7 16. 0-0 f6 17. Rf3 Rc8 18. fxe5 dxe5 19. Bd5 Nd6 20. c4 Rc5 21. a4 b6 22. Rfa3 Nxc4 23. Rc3 Rxd5 24. Rxc4 Kd6 25. Ra3 Be6 26. Kf2 g5 27. Rac3 Rd2+ 28. Ke3 Rxg2 29. Rd3+ Bd5 30. Rc8 Ke6 31. Re8+ Kf7 32. Rc8 Be6 33. Rc7+ Kg6 34. Rd6 Bg4 35. Rxa7 Rxc2 36. Rxb6 Ra2 37. Kd3 Rxh2 38. a5 h5 39. Rc7 Be2+ 40. Ke3 Bf1 0-1

