[Event "Utrecht OKU op 44th"]
[Site "Utrecht"]
[Date "2017.06.09"]
[Round "1"]
[White "Piet, Joeri"]
[Black "Ten Hertog, Hugo"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2070"]
[BlackElo "2457"]
[PlyCount "62"]
[EventDate "2017.06.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. d4 d6 4. Bg2 Nf6 5. 0-0 0-0 6. a4 Nc6 7. a5 e5 8. Nc3 e4 9. Nd2 d5 10. e3 Re8 11. Ne2 Ne7 12. b4 h5 13. h4 a6 14. Ba3 Bg4 15. Qe1 Nf5 16. c4 c6 17. Rc1 Bh6 18. Rc3 Kg7 19. Nb3 g5 20. hxg5 Bxg5 21. Nf4 Bxf4 22. exf4 h4 23. Qc1 h3 24. Bh1 h2+ 25. Kxh2 Rh8+ 26. Kg1 Rxh1+ 27. Kxh1 Qh8+ 28. Kg1 Bf3 29. Rxf3 Ng4 30. Rd1 Qh2+ 31. Kf1 exf3 0-1

[Event "Utrecht OKU op 38th"]
[Site "Utrecht"]
[Date "2011.06.04"]
[Round "2"]
[White "Laan, Jorick"]
[Black "Piet, Joeri"]
[Result "0-1"]
[ECO "E13"]
[BlackElo "2083"]
[PlyCount "84"]
[EventDate "2011.06.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Nf6 3. Nf3 b6 4. d4 Bb4 5. Bg5 Bb7 6. e3 h6 7. Bh4 g5 8. Bg3 Ne4 9. Qc2 d6 10. Bd3 Bxc3+ 11. bxc3 f5 12. h3 Nd7 13. Rg1 Nxg3 14. fxg3 Qf6 15. Rf1 Rf8 16. 0-0-0 0-0-0 17. Kb2 Kb8 18. e4 f4 19. Qa4 c5 20. g4 cxd4 21. Nxd4 Nc5 22. Qa3 Nxd3+ 23. Rxd3 Bxe4 24. Nb5 Qe7 25. Rxd6 Rxd6 26. Nxd6 Bxg2 27. Rd1 f3 28. c5 f2 29. cxb6 axb6 30. Qb4 Qc7 31. Nb5 Qc5 32. Qa4 Bb7 33. Qa7+ Kc8 34. Nd6+ Qxd6 35. Rxd6 f1Q 36. Rxb6 Rf2+ 37. Ka3 Qc1+ 38. Kb4 Rf4+ 39. Kc5 Qxc3+ 40. Kd6 Qd4+ 41. Kxe6 Qd7+ 42. Ke5 Qd5# 0-1

[Event "Utrecht OKU op 38th"]
[Site "Utrecht"]
[Date "2011.06.04"]
[Round "3"]
[White "Piet, Joeri"]
[Black "Beekman, Robert J"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "2083"]
[BlackElo "2249"]
[PlyCount "80"]
[EventDate "2011.06.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 d6 6. Nge2 c5 7. 0-0 Nc6 8. d3 Ne8 9. f4 f5 10. Be3 Nd4 11. Rb1 a5 12. Bf2 fxe4 13. Nxd4 cxd4 14. Nxe4 Nc7 15. b3 d5 16. Nd2 dxc4 17. bxc4 Rb8 18. Re1 Na6 19. Nf3 Nc5 20. Rb5 b6 21. Ne5 Bd7 22. Nxd7 Qxd7 23. Re2 Qd6 24. Be4 Kh8 25. Be1 e5 26. Bd2 Qc7 27. Qe1 Bh6 28. fxe5 Bxd2 29. Qxd2 Qxe5 30. Qe1 Qd6 31. Reb2 Rf6 32. Qb1 Na4 33. Rd5 Qc7 34. Qc2 Nxb2 35. Qxb2 Rbf8 36. Qxd4 Qg7 37. Bg2 Rf2 38. Qxg7+ Kxg7 39. Rb5 Rxa2 40. Rxb6 Ra1+ 0-1

[Event "Haarlem op"]
[Site "Haarlem"]
[Date "2007.06.30"]
[Round "3"]
[White "Piet, Joeri"]
[Black "Timman, Ton"]
[Result "0-1"]
[ECO "C95"]
[WhiteElo "2089"]
[BlackElo "2219"]
[PlyCount "108"]
[EventDate "2007.06.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. h3 d6 9. c3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Nh2 Re8 13. Ng4 Bf8 14. f3 d5 15. exd5 Nxg4 16. hxg4 exd4 17. cxd4 Nf6 18. Ne4 Nxd5 19. Bg5 f6 20. Bh4 Bb4 21. Nc3 Rxe1+ 22. Qxe1 Kh8 23. Rc1 Qd7 24. a3 Re8 25. Qd2 Nxc3 26. bxc3 Bxa3 27. Ra1 Bd6 28. Bc2 c5 29. Qd3 g5 30. Bf2 c4 31. Qd2 Bc7 32. Bf5 Qd6 33. g3 Kg7 34. Qc2 Rh8 35. Kg2 h5 36. gxh5 Rxh5 37. Re1 Bd5 38. Re8 Bf7 39. Ra8 Rh8 40. Rxh8 Kxh8 41. Qd1 Kg7 42. Qh1 Bg6 43. Bxg6 Kxg6 44. Qe1 Kf7 45. Qe4 Kg7 46. Qf5 Qe7 47. Qd5 Ba5 48. Qc6 Bxc3 49. Qxa6 Qd7 50. g4 Bd2 51. Qa2 Bf4 52. Qe2 c3 53. Bg3 Bxg3 54. Kxg3 Qc7+ 0-1

[Event "Haarlem Nova College op 3rd"]
[Site "Haarlem"]
[Date "2004.07.04"]
[Round "6"]
[White "Goes, Dirk"]
[Black "Piet, Joeri"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2100"]
[PlyCount "30"]
[EventDate "2004.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bh4 c5 4. f3 Qa5+ 5. c3 Nf6 6. d5 d6 7. e4 Nbd7 8. Na3 a6 9. Nc4 Qd8 10. a4 g6 11. f4 Nxe4 12. Bd3 Nef6 13. Qe2 Qc7 14. Bxf6 Nxf6 15. Nf3 Nxd5 0-1

[Event "Haarlem Nova College op 3rd"]
[Site "Haarlem"]
[Date "2004.07.04"]
[Round "5"]
[White "Piet, Joeri"]
[Black "Konijn, Bart"]
[Result "1/2-1/2"]
[ECO "C98"]
[PlyCount "80"]
[EventDate "2004.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Nc6 14. Nf1 exd4 15. Bf4 Qb6 16. Ng3 Be6 17. Ng5 Bd7 18. Nh5 Ne5 19. Kh1 Rac8 20. Bb3 Rc5 21. Rc1 Ng6 22. Nxf6+ gxf6 23. Nxf7 Rxf7 24. Bxf7+ Kxf7 25. Bg3 Qc6 26. Rxc5 dxc5 27. Qh5 Kg7 28. f4 Be8 29. Qg4 Kh8 30. e5 d3 31. h4 Bd7 32. Qd1 fxe5 33. h5 Bh4 34. hxg6 Bxg3 35. Qh5 Qxg6 36. Qxe5+ Kg8 37. Qd5+ Kf8 38. Qxc5+ Kg8 39. Qd5+ Kf8 40. Qc5+ Kg8 1/2-1/2

[Event "Haarlem Nova College op 3rd"]
[Site "Haarlem"]
[Date "2004.07.03"]
[Round "3"]
[White "Piet, Joeri"]
[Black "Arts, Dennis"]
[Result "1/2-1/2"]
[ECO "B77"]
[PlyCount "108"]
[EventDate "2004.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. h4 Rc8 11. Bb3 Ne5 12. h5 Nc4 13. Bxc4 Rxc4 14. hxg6 fxg6 15. 0-0-0 a6 16. Nb3 Qc7 17. Bh6 Bxh6 18. Qxh6 Rf7 19. Qd2 b5 20. g4 b4 21. Ne2 a5 22. g5 Ne8 23. Nf4 a4 24. Na1 e6 25. Qh2 d5 26. Nd3 Qxh2 27. Rxh2 Re7 28. Ne5 Rc7 29. Rdh1 dxe4 30. fxe4 Rc5 31. Nd3 Rxg5 32. Nxb4 Nd6 33. Rh4 h5 34. Nd3 Bc6 35. Re1 Rc7 36. e5 Ne8 37. c3 Kg7 38. Nc2 Kh6 39. Nd4 Bd5 40. Nf4 Ng7 41. Nxd5 exd5 42. e6 Re7 43. Rf4 Rg4 44. Rf2 h4 45. b4 axb3 46. axb3 Rxd4 47. cxd4 Rxe6 48. Re5 Rd6 49. Kd2 Nh5 50. Rf8 Kg7 51. Rc8 Nf6 52. Rc7+ Kh6 53. Rc8 g5 54. Rg8 Ne4+ 1/2-1/2

[Event "Haarlem Nova College op 3rd"]
[Site "Haarlem"]
[Date "2004.07.03"]
[Round "4"]
[White "Sijpkens, Michiel"]
[Black "Piet, Joeri"]
[Result "1/2-1/2"]
[ECO "B33"]
[PlyCount "50"]
[EventDate "2004.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

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. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Ne7 12. Nxf6+ gxf6 13. Qf3 f5 14. exf5 Bxf5 15. Bd3 Be6 16. 0-0 0-0 17. Qg3+ Ng6 18. f4 f5 19. Qe3 Kh8 20. Rad1 Qe7 21. fxe5 dxe5 22. Nc2 f4 23. Qe2 Qg5 24. Be4 Bc4 25. Qf2 Bxf1 1/2-1/2

[Event "Haarlem Nova College op 3rd"]
[Site "Haarlem"]
[Date "2004.07.02"]
[Round "1"]
[White "Piet, Joeri"]
[Black "Pliester, Leon"]
[Result "0-1"]
[ECO "B12"]
[BlackElo "2389"]
[PlyCount "52"]
[EventDate "2004.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 Qh4 7. Ng3 Bb4 8. Be3 Nd7 9. Qd2 h6 10. Be2 f6 11. exf6 Ngxf6 12. h3 0-0-0 13. 0-0-0 Rhf8 14. Bd3 Bxd3 15. Qxd3 Nb6 16. Nce2 Bd6 17. Bf4 Bxf4+ 18. Nxf4 Qg5 19. Nge2 Ne4 20. Rhf1 Rxf4 21. Nxf4 Qxf4+ 22. Kb1 Nc4 23. Ka1 Rf8 24. f3 Ne3 25. fxe4 Nxf1 26. Qa3 Ne3 0-1

[Event "Haarlem Nova College op 3rd"]
[Site "Haarlem"]
[Date "2004.07.02"]
[Round "2"]
[White "Sala, Frank"]
[Black "Piet, Joeri"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "72"]
[EventDate "2004.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

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 f5 10. exf5 Bxf5 11. Bd3 Be6 12. Bc4 Qg5 13. Qf3 Rg8 14. Nd5 0-0-0 15. Qg3 Bh6 16. Qxg5 Rxg5 17. g3 b5 18. Bb3 Nd4 19. c4 Bh3 20. Ne3 f5 21. cxb5 axb5 22. Bd5 f4 23. Nec2 Re8 24. Nxb5 Nxc2+ 25. Kd2 Nxa1 26. Nxd6+ Kd7 27. Nxe8 Kxe8 28. Rxa1 fxg3 29. fxg3 Rxg3+ 30. Ke2 Re3+ 31. Kf2 Rd3 32. Be4 Rd2+ 33. Kg3 Be6 34. h4 Bf4+ 35. Kf3 h5 36. a4 Bg4# 0-1

