[Event "Leiden op-A 13th"]
[Site "Leiden"]
[Date "2019.07.18"]
[Round "6"]
[White "Gijsen, William"]
[Black "De Niet, Gert Michiel"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2005"]
[BlackElo "2208"]
[PlyCount "79"]
[EventDate "2019.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. a3 b5 7. Be3 Bb7 8. Bd3 Nf6 9. 0-0 d6 10. f4 Nbd7 11. Qf3 Be7 12. Rae1 Nc5 13. Kh1 0-0 14. Bg1 g6 15. Qh3 d5 16. e5 Nfe4 17. Nd1 Nxd3 18. cxd3 Nc5 19. Rf3 Rfe8 20. Nf2 Nd7 21. Ng4 Bf8 22. Qh4 Bg7 23. Rh3 h5 24. Nf6+ Bxf6 25. exf6 Qd8 26. Nf3 Qxf6 27. Qg3 Qf5 28. Nh4 Qg4 29. Qf2 Kf8 30. Rf3 e5 31. h3 Qe6 32. f5 gxf5 33. Nxf5 Rac8 34. Qh4 Rc6 35. Qxh5 Qg6 36. Qh8+ Qg8 37. Qh4 Rf6 38. Be3 Ree6 39. Rg3 Rxf5 40. Qd8+ 1-0

[Event "Leiden op-A 13th"]
[Site "Leiden"]
[Date "2019.07.15"]
[Round "4"]
[White "Roorda, Thijs"]
[Black "De Niet, Gert Michiel"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2108"]
[BlackElo "2208"]
[PlyCount "81"]
[EventDate "2019.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 c6 4. e3 Bf5 5. f3 e6 6. g4 Bg6 7. h4 h6 8. Bd3 Bxd3 9. Qxd3 Qa5 10. Nge2 b5 11. Nc1 Nbd7 12. Kf2 Qd8 13. Nb3 Rc8 14. e4 b4 15. exd5 Nxd5 16. Nxd5 cxd5 17. g5 Qb6 18. g6 f6 19. Rae1 Rc6 20. Re2 Kd8 21. Kg2 Be7 22. h5 a5 23. Rhe1 a4 24. Nd2 Bd6 25. Bxd6 Rxd6 26. c4 bxc3 27. bxc3 Re8 28. f4 Qa6 29. Qxa6 Rxa6 30. c4 dxc4 31. Nxc4 Rc6 32. Ne3 Nb6 33. Rb2 Kd7 34. Kf2 Rec8 35. f5 exf5 36. d5 Rd6 37. Nxf5 Rxd5 38. Ne7 Re5 39. Rxe5 fxe5 40. Nxc8 Nxc8 41. Rb7+ 1-0

[Event "Leiden op-A 13th"]
[Site "Leiden"]
[Date "2019.07.14"]
[Round "3"]
[White "De Niet, Gert Michiel"]
[Black "Lai, Hing Ting"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2208"]
[BlackElo "2460"]
[PlyCount "76"]
[EventDate "2019.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 c5 8. Rc1 dxc4 9. Bxc4 0-0 10. 0-0 cxd4 11. Nxd4 Qe7 12. Qb3 Bd6 13. Rfd1 a6 14. a4 Nd7 15. Qc2 Nf6 16. Ne4 Be5 17. b3 Nxe4 18. Qxe4 Bf6 19. Nf3 e5 20. Nd2 Rb8 21. Qb1 Rd8 22. Ne4 Bg4 23. f3 Bf5 24. Nxf6+ Qxf6 25. e4 Be6 26. Bxe6 Qxe6 27. Rxd8+ Rxd8 28. Rd1 Qb6+ 29. Kf1 Rc8 30. Rc1 Rxc1+ 31. Qxc1 Qxb3 32. Qc8+ Kh7 33. a5 b6 34. axb6 Qb1+ 35. Ke2 Qxb6 36. Qf5+ Qg6 37. Qxe5 Qxg2+ 38. Ke3 Qg5+ 0-1

[Event "Leiden op-A 13th"]
[Site "Leiden"]
[Date "2019.07.13"]
[Round "2"]
[White "De Zoeten, Cato"]
[Black "De Niet, Gert Michiel"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1684"]
[BlackElo "2208"]
[PlyCount "160"]
[EventDate "2019.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. 0-0 Qc7 7. Qe2 d6 8. c4 g6 9. Nc3 Bg7 10. Rd1 0-0 11. Be3 Nbd7 12. Rac1 b6 13. f3 Re8 14. Qd2 Bb7 15. Bf1 Bf8 16. b4 Rac8 17. a3 Qb8 18. Nb3 Be7 19. Na4 Bc6 20. Nb2 Ba8 21. a4 Ne5 22. Qd4 Nfd7 23. Bh6 f6 24. Bd2 Nc6 25. Qf2 a5 26. b5 Nce5 27. f4 Nf7 28. f5 e5 29. Re1 Nc5 30. Nxc5 dxc5 31. fxg6 hxg6 32. Nd1 Nd6 33. Qg3 Kg7 34. Bd3 Rh8 35. Nc3 Rcg8 36. Rf1 Qe8 37. Rce1 Rh5 38. Be2 Rh7 39. Bd3 Kh8 40. Re3 Qf7 41. Nd5 Bxd5 42. exd5 Nf5 43. Bxf5 gxf5 44. Qf3 f4 45. Re2 Qg6 46. Bc3 Bd6 47. Bd2 Qg4 48. Qxg4 Rxg4 49. Be1 Kg7 50. Rf3 Kg6 51. h3 Rg5 52. Kf2 f5 53. Bd2 Kf7 54. Kf1 e4 55. Rb3 Rg6 56. Rf2 e3 57. Bxe3 fxe3 58. Rxe3 f4 59. Re4 Rf6 60. Rfe2 f3 61. gxf3 Rxh3 62. Kg2 Rg3+ 63. Kf1 Rgxf3+ 64. Ke1 Rd3 65. R2e3 Rxe3+ 66. Rxe3 Rf5 67. Kd1 Re5 68. Rh3 Bf8 69. Kc2 Bg7 70. Rd3 Re2+ 71. Kb3 Bd4 72. Rh3 Re3+ 73. Rxe3 Bxe3 74. Kc3 Bf4 75. Kd3 Bd6 76. Ke4 Kf6 77. Ke3 Ke5 78. Kd3 Be7 79. Ke3 Bg5+ 80. Kd3 Bf4 0-1

[Event "Leiden op-A 13th"]
[Site "Leiden"]
[Date "2019.07.12"]
[Round "1"]
[White "De Niet, Gert Michiel"]
[Black "Ypma, Jord"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2208"]
[BlackElo "1968"]
[PlyCount "134"]
[EventDate "2019.07.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 a6 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 c5 9. dxc5 Bxc5 10. 0-0 Bb7 11. Qe2 Nbd7 12. b3 0-0 13. Bb2 Qe7 14. e4 Rfe8 15. a4 b4 16. Nb1 Nf8 17. Ne5 Red8 18. Nd2 Bd4 19. Bxd4 Rxd4 20. Ndf3 Rxe4 21. Bxe4 Nxe4 22. Qe3 f6 23. Nc4 Rd8 24. Rfd1 Rd5 25. Rxd5 Bxd5 26. Nfd2 Nc3 27. Qb6 f5 28. Re1 Qg5 29. f3 Qf4 30. Qxb4 Qd4+ 31. Kh1 Bxc4 32. Nxc4 Nd1 33. h3 Nf2+ 34. Kh2 Qf4+ 35. g3 Qxf3 36. Ne5 Qh5 37. Qh4 Qe8 38. Qd4 Ne4 39. Qb6 Qc8 40. Nc4 Qd7 41. Qe3 h6 42. Qf3 Ng6 43. Rd1 Qc7 44. Kg2 Kh7 45. Rd4 Ng5 46. Qa8 f4 47. h4 Nxh4+ 48. gxh4 f3+ 49. Kf1 Qh2 50. Rd2 Qh1+ 51. Kf2 Qxh4+ 52. Ke3 Qe1+ 53. Kd3 f2 54. Ne3 Qxe3+ 55. Kxe3 f1Q 56. Rd8 Qh3+ 57. Ke2 Qxb3 58. Qxa6 Qf3+ 59. Ke1 Qg3+ 60. Kd1 Qb3+ 61. Ke2 Qc2+ 62. Rd2 Qe4+ 63. Kd1 Nf3 64. Qd3 Nxd2 65. Kxd2 Qxd3+ 66. Kxd3 g5 67. a5 g4 1-0

[Event "Leiden Noteboom Memorial 79th"]
[Site "Leiden"]
[Date "2019.02.23"]
[Round "2"]
[White "De Niet, Gert Michiel"]
[Black "Emans, Job"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2204"]
[BlackElo "1956"]
[PlyCount "65"]
[EventDate "2019.02.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 exd5 7. g3 Be7 8. Bg2 0-0 9. 0-0 Nbd7 10. Bf4 Ne4 11. Rc1 c5 12. dxc5 Ndxc5 13. Nd4 Qd7 14. b4 Ne6 15. Nxe6 Qxe6 16. Nb5 Qf6 17. Rc7 Bc6 18. Nxa7 Nc3 19. Qd2 Bb5 20. Nxb5 Nxb5 21. Rd7 Rxa3 22. Rxd5 Nc3 23. Be5 Nxd5 24. Bxf6 Nxf6 25. Qd4 Rb3 26. Qxb6 Rxb4 27. Qc7 Bd8 28. Qc3 Rb8 29. Bf3 Be7 30. Rc1 Rbd8 31. Kg2 h6 32. e3 Rd7 33. Ra1 1-0

[Event "Leiden Noteboom Memorial 79th"]
[Site "Leiden"]
[Date "2019.02.22"]
[Round "1"]
[White "Kastelijn, Twan"]
[Black "De Niet, Gert Michiel"]
[Result "1/2-1/2"]
[ECO "D98"]
[WhiteElo "1996"]
[BlackElo "2204"]
[PlyCount "116"]
[EventDate "2019.02.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 Nc6 8. Be2 Bg4 9. Be3 Bxf3 10. gxf3 e5 11. d5 Nd4 12. Nb5 Nxb5 13. Qxb5 b6 14. 0-0-0 Ne8 15. h4 h5 16. Kb1 Nd6 17. Qc6 Re8 18. Rc1 Re7 19. Bg5 f6 20. Bd2 a5 21. Rhg1 Kh7 22. Rg3 Bf8 23. Rcg1 Rg7 24. Qc2 Ne8 25. f4 Bd6 26. f5 gxf5 27. Rxg7+ Nxg7 28. exf5 Qe7 29. Qe4 Rh8 30. Rg6 Kg8 31. Bh6 Rh7 32. Bxh5 Bc5 33. d6 Bxd6 34. Qd5+ Kh8 35. Bxg7+ Rxg7 36. Rh6+ Rh7 37. Qa8+ Qf8 38. Rxh7+ Kxh7 39. Bg6+ Kg7 40. Qxf8+ Bxf8 41. Kc2 Bc5 42. f3 Be3 43. Kd3 Bc1 44. b3 Kf8 45. Ke4 Ke7 46. Kd5 Kd7 47. Bf7 c6+ 48. Kc4 b5+ 49. Kd3 Kd6 50. Bg8 Kc5 51. Kc3 Kd6 52. Bf7 Bf4 53. Be6 Bg3 54. h5 Bf4 55. Bg8 Ke7 56. Be6 Bh6 57. Bg8 Bf8 58. Be6 Bh6 1/2-1/2

[Event "Leiden op-A 10th"]
[Site "Leiden"]
[Date "2016.07.23"]
[Round "8"]
[White "Schroeder, Marcel"]
[Black "De Niet, Gert Michiel"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1961"]
[BlackElo "2165"]
[PlyCount "84"]
[EventDate "2016.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Qa4+ Nd7 8. Nf3 0-0 9. Be2 c5 10. 0-0 Qc7 11. Be3 b6 12. Rac1 e6 13. Rfd1 a6 14. d5 b5 15. Qa3 exd5 16. exd5 Bb7 17. c4 b4 18. Qd3 Rad8 19. Qe4 Rfe8 20. Qh4 h6 21. Bd3 g5 22. Nxg5 Rxe3 23. Bh7+ Kf8 24. fxe3 hxg5 25. Qxg5 f6 26. d6 Qc6 27. Qg3 Ne5 28. Rf1 Qxd6 29. Rcd1 Qxd1 30. Rxd1 Rxd1+ 31. Kf2 Rd2+ 32. Ke1 Rxa2 33. e4 Ra3 34. Qh4 Rc3 35. Qh5 Rxc4 36. Qd1 Ke7 37. Kf2 Bh6 38. Qh5 Rc2+ 39. Kg3 Rc3+ 40. Kf2 Be3+ 41. Ke2 a5 42. Bf5 Ba6+ 0-1

[Event "Leiden op-A 10th"]
[Site "Leiden"]
[Date "2016.07.22"]
[Round "6"]
[White "De Niet, Gert Michiel"]
[Black "Van Briemen, Willem Jan"]
[Result "1-0"]
[ECO "A61"]
[WhiteElo "2165"]
[BlackElo "2047"]
[PlyCount "91"]
[EventDate "2016.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bf4 Bg7 8. Qa4+ Bd7 9. Qb3 Qc7 10. e4 a6 11. a4 0-0 12. Nd2 Nh5 13. Be3 f5 14. exf5 Bxf5 15. Be2 Nf6 16. h3 Re8 17. 0-0 Nbd7 18. g4 Ne4 19. Bc4 Nxd2 20. Bxd2 Bxc3 21. Bxc3 Be4 22. f3 b5 23. axb5 axb5 24. Rxa8 Rxa8 25. Qxb5 Bc2 26. Qc6 Ra7 27. Rc1 Ba4 28. Qxc7 Rxc7 29. b3 Nb6 30. Ba5 Nxc4 31. Bxc7 Bxb3 32. Kf2 Ne5 33. Rc3 Bxd5 34. Bxd6 Nd7 35. Bxc5 Kf7 36. Bd4 Be6 37. f4 Nf8 38. Kg3 Nd7 39. Ra3 h6 40. Ra5 Nb8 41. f5 gxf5 42. gxf5 Bd7 43. Ra7 Ke7 44. f6+ Ke6 45. f7 Kxf7 46. Be5 1-0

[Event "Leiden op-A 10th"]
[Site "Leiden"]
[Date "2016.07.19"]
[Round "5"]
[White "Wiersma, Eelke"]
[Black "De Niet, Gert Michiel"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2354"]
[BlackElo "2165"]
[PlyCount "63"]
[EventDate "2016.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Be3 Qa5 9. Nd2 cxd4 10. Nc4 Qd8 11. cxd4 0-0 12. Rc1 b5 13. Nd2 Qa5 14. Be2 e6 15. 0-0 Bd7 16. Nb3 Qd8 17. Nc5 Bc6 18. Bf3 b4 19. d5 exd5 20. exd5 Bb5 21. d6 Bxf1 22. Bxa8 Bb5 23. Qd5 Nd7 24. Nb7 Qxa8 25. Qxb5 Nb6 26. Rc7 Bf6 27. Qc6 Qe8 28. Qxe8 Rxe8 29. d7 Rf8 30. Bxb6 axb6 31. Rc8 Be7 32. Re8 1-0

[Event "Leiden op-A 10th"]
[Site "Leiden"]
[Date "2016.07.18"]
[Round "4"]
[White "Erwich, Frans"]
[Black "De Niet, Gert Michiel"]
[Result "0-1"]
[ECO "D70"]
[WhiteElo "1945"]
[BlackElo "2165"]
[PlyCount "68"]
[EventDate "2016.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 d5 4. cxd5 Nxd5 5. e4 Nb6 6. Nc3 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. 0-0-0 f5 10. h4 fxe4 11. h5 gxh5 12. Rxh5 Bf5 13. Rxf5 Rxf5 14. fxe4 Rxf1 15. Rxf1 Nxd4 16. Bh6 e5 17. Bxg7 Kxg7 18. Qf2 Qe7 19. Nh3 h6 20. Kb1 Rf8 21. Qg3+ Kh7 22. Rh1 Rg8 23. Qe3 Rxg2 24. Nf4 exf4 25. Qxd4 c5 26. Qd3 Qg5 27. e5+ Qg6 28. Ne4 c4 29. Qf3 Nd5 30. Rxh6+ Kxh6 31. Qh3+ Kg7 32. Qd7+ Kf8 33. Qxd5 Qb6 34. Nd2 c3 0-1

[Event "Leiden op-A 10th"]
[Site "Leiden"]
[Date "2016.07.17"]
[Round "3"]
[White "De Niet, Gert Michiel"]
[Black "Rosen, Eric S"]
[Result "0-1"]
[ECO "D55"]
[WhiteElo "2165"]
[BlackElo "2393"]
[PlyCount "100"]
[EventDate "2016.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 0-0 6. e3 a6 7. Qc2 Nbd7 8. cxd5 exd5 9. Bd3 Re8 10. 0-0 c6 11. Rab1 Nf8 12. h3 Ng6 13. Bxf6 Bxf6 14. b4 Qd6 15. a4 Bd8 16. b5 cxb5 17. axb5 a5 18. Qb3 Be6 19. b6 Ne7 20. Na4 Nc6 21. Nc5 Nb4 22. Nxb7 Qxb6 23. Nc5 Be7 24. Nxe6 Qxe6 25. Bb5 Reb8 26. Qa4 h5 27. Rfc1 Bd6 28. Bd7 Qf6 29. h4 g6 30. Rb3 Qe7 31. g3 Ra7 32. Bh3 Qe8 33. Ra1 Qe4 34. Bg2 Qe7 35. Ne1 Kg7 36. Bf3 Rc8 37. Qb5 Rb8 38. Qa4 Rc8 39. Qb5 Rac7 40. Kg2 g5 41. hxg5 Qxg5 42. Be2 Qg6 43. Nf3 Rc2 44. Nh4 Qe4+ 45. Bf3 Qe6 46. Qxa5 Rxf2+ 47. Kxf2 Rc2+ 48. Kg1 Bxg3 49. Rxb4 Qxe3+ 50. Kh1 Rh2# 0-1

[Event "Leiden op-A 10th"]
[Site "Leiden"]
[Date "2016.07.16"]
[Round "2"]
[White "Frost, Peter"]
[Black "De Niet, Gert Michiel"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1907"]
[BlackElo "2165"]
[PlyCount "74"]
[EventDate "2016.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Na4 Bg7 6. e4 Nb6 7. Be3 0-0 8. Nf3 Bg4 9. Nc5 Nc6 10. Nxb7 Qb8 11. Nc5 Nxd4 12. Bxd4 Bxf3 13. gxf3 Rd8 14. Qc2 Bxd4 15. Ba6 Rd6 16. 0-0 Qf8 17. Rac1 Qh6 18. Nd3 Nd7 19. Bb7 Rd8 20. f4 c5 21. e5 Rb6 22. Bg2 Nf8 23. b3 Ne6 24. Qd2 Bxe5 25. Qe3 Bd4 26. Qg3 Rbd6 27. f5 Ng7 28. fxg6 Rxg6 29. Qc7 Ne6 30. Qb7 Kh8 31. Kh1 Rg4 32. Qf3 Rdg8 33. Rg1 Rh4 34. h3 Ng5 35. Qg3 Nxh3 36. Qxg8+ Kxg8 37. Bxh3+ Kf8 0-1

[Event "Leiden op-A 10th"]
[Site "Leiden"]
[Date "2016.07.15"]
[Round "1"]
[White "De Niet, Gert Michiel"]
[Black "Ikonnikov, Vyacheslav"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2165"]
[BlackElo "2538"]
[PlyCount "106"]
[EventDate "2016.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 a5 5. a3 Bxd2+ 6. Bxd2 a4 7. Bg5 d6 8. Qc2 Nbd7 9. e3 h6 10. Bh4 b6 11. Bd3 Bb7 12. 0-0 Ra5 13. Nd2 g5 14. Bg3 Nh5 15. Be4 Qa8 16. f3 Nxg3 17. hxg3 h5 18. Kf2 Nf6 19. Bxb7 Qxb7 20. Rac1 Ke7 21. Ne4 Nxe4+ 22. Qxe4 Qxe4 23. fxe4 c5 24. Kg1 b5 25. cxb5 Rxb5 26. Rc4 Ra8 27. Rf2 Raa5 28. Rfc2 Kd7 29. Rf2 Kc6 30. Rxf7 Rxb2 31. Rg7 g4 32. Re7 Ra2 33. Rxe6 Rxa3 34. Rc1 Rxe3 35. e5 Kd5 36. Rxd6+ Ke4 37. Rxc5 Rxc5 38. dxc5 Kxe5 39. Rh6 Kd5 40. Ra6 a3 41. c6 Kd6 42. Kh2 Rb3 43. Kg1 Kc7 44. Kh2 Rd3 45. Kg1 Rxg3 46. Kh2 Rb3 47. Kg1 g3 48. Kf1 Re3 49. Ra5 Kxc6 50. Rxh5 Kb6 51. Rh8 Kb5 52. Rb8+ Kc4 53. Rb7 a2 0-1

[Event "Leiden Noteboom Memorial 75th"]
[Site "Leiden"]
[Date "2015.02.14"]
[Round "3"]
[White "Van der Scheer, Henk"]
[Black "De Niet, Gert Michiel"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "2032"]
[BlackElo "2142"]
[PlyCount "38"]
[EventDate "2015.02.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. e3 0-0 6. Be2 c5 7. dxc5 Qa5 8. 0-0 dxc4 9. Bxc4 Qxc5 10. b3 Nc6 11. Bb2 Bg4 12. Rc1 Rad8 13. Qe2 Qh5 14. Nb1 Na5 15. Nbd2 Nxc4 16. Rxc4 Rd7 17. h3 Be6 18. Rh4 Qd5 19. Rd4 Qh5 1/2-1/2

[Event "Leiden Noteboom Memorial 75th"]
[Site "Leiden"]
[Date "2015.02.13"]
[Round "1"]
[White "Fedorchuk, Sergey A"]
[Black "De Niet, Gert Michiel"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2648"]
[BlackElo "2142"]
[PlyCount "123"]
[EventDate "2015.02.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Nc3 Bb4 7. Qd3 d6 8. 0-0 0-0 9. Nd1 Nbd7 10. c3 Ne5 11. Qc2 Bc5 12. Ne3 Qc7 13. Kh1 Bd7 14. Nb3 Ba7 15. f4 Ng6 16. Bd3 Rac8 17. Bd2 b5 18. Rae1 Rfe8 19. Qd1 Bc6 20. Ng4 Nxg4 21. Qxg4 Rcd8 22. Qh5 Nf8 23. Nd4 Bb7 24. Qg4 f6 25. Be3 Bb6 26. Bc2 d5 27. e5 f5 28. Qd1 Nd7 29. g4 fxg4 30. Qxg4 Nf8 31. Rf3 Rd7 32. Rg1 Rf7 33. Rh3 g6 34. Bd3 Rg7 35. Rhg3 Bc8 36. h4 Ree7 37. Qe2 Bd7 38. Kh2 Qd8 39. Nf3 Bxe3 40. Qxe3 Be8 41. Ng5 Kh8 42. Qd4 Rb7 43. R1g2 Qb6 44. Qb4 Kg8 45. Nh3 a5 46. Qb3 Qd8 47. Ng5 Qe7 48. Rg4 h6 49. Nf3 h5 50. R4g3 Qc5 51. Nd4 b4 52. Qd1 bxc3 53. bxc3 Rbc7 54. Bc2 Qa3 55. c4 Qc5 56. cxd5 exd5 57. f5 gxf5 58. Nxf5 Rxg3 59. Rxg3+ Kh8 60. Bd3 Qc1 61. Qxc1 Rxc1 62. Nh6 1-0

[Event "Leiden Noteboom Memorial 71st"]
[Site "Leiden"]
[Date "2011.03.04"]
[Round "1"]
[White "Doberitz, Paul"]
[Black "De Niet, Gert Michiel"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2226"]
[BlackElo "2192"]
[PlyCount "63"]
[EventDate "2011.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Bb4 7. Qd2 Nf6 8. Bd3 d5 9. e5 Qxe5 10. 0-0-0 Qc7 11. Bf4 Qa5 12. Nb3 Qd8 13. a3 Be7 14. h4 Nc6 15. Rde1 b5 16. g4 b4 17. axb4 Bxb4 18. Qe2 d4 19. Ne4 Bxe1 20. Nd6+ Kf8 21. Rxe1 Nd5 22. Bg3 h6 23. Bc4 Ncb4 24. Nxd4 Bd7 25. c3 Qb6 26. Qf3 f6 27. Nxe6+ Bxe6 28. Rxe6 Rc8 29. Bxd5 Nxd5 30. Qxd5 Qc6 31. Qxc6 Rxc6 32. Re8# 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2010.06.29"]
[Round "7"]
[White "De Mooij, Marco"]
[Black "De Niet, Gert Michiel"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "1852"]
[BlackElo "2177"]
[PlyCount "60"]
[EventDate "2010.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Bb4 7. Nde2 Nf6 8. Bg2 Be7 9. 0-0 0-0 10. a4 Nc6 11. Bf4 d6 12. h3 Rd8 13. g4 Rb8 14. Ng3 Nd7 15. Nce2 b5 16. axb5 axb5 17. Be3 Bb7 18. Nd4 Nxd4 19. Bxd4 Nc5 20. Qe2 e5 21. Bc3 Na4 22. Bb4 Bc6 23. b3 Nb6 24. Qe3 Bf8 25. Ra6 Qb7 26. Rfa1 Ra8 27. Rxa8 Rxa8 28. Rxa8 Nxa8 29. Nf5 Qd7 30. Qd3 g6 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2010.06.22"]
[Round "6"]
[White "De Niet, Gert Michiel"]
[Black "Oosterom, Erik"]
[Result "1/2-1/2"]
[ECO "D17"]
[WhiteElo "2177"]
[BlackElo "2038"]
[PlyCount "95"]
[EventDate "2010.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Nb6 8. Ne5 a5 9. f3 Nfd7 10. Nxd7 Nxd7 11. e4 Bg6 12. Qb3 Qb6 13. Qxb6 Nxb6 14. Be3 e6 15. d5 Nd7 16. dxe6 fxe6 17. Bc4 e5 18. Rd1 Bb4 19. Ke2 Nc5 20. Bxc5 Bxc5 21. Rd3 Rd8 22. Rxd8+ Kxd8 23. Nd1 Ke7 24. Ne3 Rd8 25. Rc1 Bd4 26. b3 h5 27. g3 Kf6 28. Rd1 Bb6 29. Rxd8 Bxd8 30. Kd3 Bb6 31. f4 Bc7 32. f5 Be8 33. Be6 Bf7 34. Bxf7 Kxf7 35. Nf1 b5 36. Nd2 g6 37. h3 Kf6 38. fxg6 Kxg6 39. Nf3 Kf6 40. Nh4 Bd6 41. Nf5 Bf8 42. Ke3 Kg6 43. Kf3 Kg5 44. h4+ Kg6 45. g4 hxg4+ 46. Kxg4 Bb4 47. h5+ Kf6 48. Kf3 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2010.06.15"]
[Round "5"]
[White "Coene, Igor"]
[Black "De Niet, Gert Michiel"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2237"]
[BlackElo "2177"]
[PlyCount "87"]
[EventDate "2010.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. d3 Nc6 3. g3 d5 4. Nc3 d4 5. Nce2 e5 6. f4 Bd6 7. Bh3 Bxh3 8. Nxh3 Qd7 9. Nf2 g6 10. c3 0-0-0 11. Bd2 Nge7 12. cxd4 Nxd4 13. Nxd4 cxd4 14. fxe5 Bxe5 15. 0-0 h5 16. Rc1+ Kb8 17. Rc5 f6 18. Qf3 b6 19. Rc4 g5 20. Rfc1 Rc8 21. Bb4 g4 22. Qd1 Ng6 23. Kg2 Rxc4 24. dxc4 Qc6 25. Kg1 Rg8 26. a4 h4 27. c5 hxg3 28. hxg3 Bxg3 29. Qxd4 Bf4 30. Rc4 Ne5 31. Kg2 Nxc4 32. Qxc4 Rc8 33. Nxg4 bxc5 34. Bc3 f5 35. Nf6 fxe4 36. Nxe4 Qg6+ 37. Kf3 Rf8 38. Bf6 Bd6 39. Qb5+ Kc7 40. Qa5+ Kb8 41. Qb5+ Kc7 42. Qa5+ Kd7 43. Qb5+ Kc7 44. Qa5+ 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2010.06.08"]
[Round "4"]
[White "De Niet, Gert Michiel"]
[Black "Wantola, Ivo"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2177"]
[BlackElo "2333"]
[PlyCount "92"]
[EventDate "2010.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Nd7 9. e4 c5 10. Bd3 Qc7 11. Qb1 g6 12. 0-0 Bg7 13. a4 0-0 14. Re1 Rfc8 15. Be3 Rab8 16. Qd1 Nf6 17. Bg5 Nh5 18. Qd2 cxd4 19. cxd4 Qc3 20. g4 Qxd2 21. Bxd2 Nf6 22. h3 Nd7 23. Bf4 Ra8 24. Ra3 a6 25. Rc1 Rxc1+ 26. Bxc1 Rc8 27. Be3 f5 28. Nd2 fxe4 29. Nxe4 Bf8 30. Ra2 b5 31. axb5 Bxe4 32. Bxe4 axb5 33. g5 b4 34. Ra7 Nb6 35. Rb7 Nd5 36. Kg2 Rc3 37. Bd2 Rb3 38. Bf3 Rb2 39. Bxd5 exd5 40. Bf4 b3 41. Rb5 Rb1 42. Bd2 Ba3 43. Bb4 Bb2 44. Rxd5 Rd1 45. Rd8+ Kf7 46. d5 Bd4 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2010.06.01"]
[Round "3"]
[White "Straver, Robert"]
[Black "De Niet, Gert Michiel"]
[Result "0-1"]
[ECO "D75"]
[WhiteElo "2110"]
[BlackElo "2177"]
[PlyCount "99"]
[EventDate "2010.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. d4 Bg7 6. g3 0-0 7. Bg2 Nxc3 8. bxc3 c5 9. 0-0 Nc6 10. e3 Be6 11. Qe2 cxd4 12. cxd4 Rc8 13. Bd2 Qd7 14. Rfc1 h6 15. Qb5 Rfd8 16. a4 Bd5 17. Be1 Rc7 18. Rab1 e6 19. Qe2 f5 20. a5 Kh7 21. Rc5 Nb8 22. Rbc1 Rxc5 23. Rxc5 Na6 24. Rc1 Bf6 25. Qc2 Qd6 26. Bd2 Be4 27. Qb2 Rd7 28. Ne1 Bxg2 29. Nxg2 e5 30. dxe5 Bxe5 31. Bc3 Bxc3 32. Qxc3 Rc7 33. Qa1 Rxc1+ 34. Qxc1 Nc5 35. Nf4 Nb3 36. Qc3 Nd2 37. h4 Ne4 38. Qb3 Qd7 39. Kg2 Nc5 40. Qc3 Qc6+ 41. Kg1 Qd6 42. h5 gxh5 43. Nxh5 Qd1+ 44. Kg2 Qxh5 45. Qxc5 Qf7 46. Qxa7 Qd5+ 47. Kg1 Kg6 48. Qb6+ Kg5 49. Qb4 Kg6 50. Kh2 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2010.05.18"]
[Round "1"]
[White "Zwinkels, Wim"]
[Black "De Niet, Gert Michiel"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1851"]
[BlackElo "2177"]
[PlyCount "68"]
[EventDate "2010.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nc3 c5 2. e4 e6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. f4 d6 7. Nf3 Nge7 8. 0-0 0-0 9. Bd2 Rb8 10. Rb1 b5 11. a3 Qc7 12. Ne2 a5 13. c3 b4 14. Be3 bxa3 15. bxa3 Ba6 16. Qd2 a4 17. g4 Na5 18. f5 Nb3 19. Qc2 exf5 20. gxf5 gxf5 21. Ng3 fxe4 22. Nxe4 Nd5 23. Bg5 h6 24. c4 hxg5 25. cxd5 g4 26. Nfg5 Nd4 27. Qf2 f5 28. Qh4 Be5 29. Rxb8 Rxb8 30. Ne6 Qf7 31. h3 Bxd3 32. Rd1 Bxe4 33. Bxe4 fxe4 34. Qxg4+ Kh8 0-1

[Event "Leiden Noteboom Memorial 70th"]
[Site "Leiden"]
[Date "2010.02.12"]
[Round "1"]
[White "Slingerland, Fred"]
[Black "De Niet, Gert Michiel"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2398"]
[BlackElo "2165"]
[PlyCount "63"]
[EventDate "2010.02.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Nc3 Bb4 7. Qd3 d6 8. Bd2 Nbd7 9. Nb3 Qc7 10. 0-0 Nc5 11. Nxc5 Bxc5 12. Rad1 0-0 13. Bf4 Ne8 14. Na4 Ba7 15. c4 e5 16. Be3 Be6 17. Rc1 Bxe3 18. Qxe3 Qa5 19. b3 b5 20. Nb6 Rb8 21. Nd5 Bxd5 22. cxd5 Nf6 23. Rc2 Rfd8 24. h4 Nd7 25. Bg4 Nc5 26. f4 f6 27. fxe5 fxe5 28. Be6+ Nxe6 29. dxe6 Re8 30. Qh3 Re7 31. Kh2 Qb4 32. Qg4 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2003.07.01"]
[Round "7"]
[White "De Niet, Gert Michiel"]
[Black "Van der Hoeven, Peter"]
[Result "1-0"]
[ECO "E85"]
[WhiteElo "2168"]
[BlackElo "1608"]
[PlyCount "92"]
[EventDate "2003.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 e5 8. d5 Ne7 9. Qd2 Ne8 10. g3 f5 11. Bg2 Nf6 12. h3 Bd7 13. 0-0 Qe8 14. b4 Kh8 15. c5 Nh5 16. g4 f4 17. Bf2 Nf6 18. Nc1 g5 19. Nb3 Ng6 20. a4 Nh4 21. Bh1 h5 22. Na5 hxg4 23. hxg4 Qc8 24. Bxh4 gxh4 25. Qh2 dxc5 26. Qxh4+ Nh7 27. bxc5 Bf6 28. Qh5 Be8 29. Qh6 Bg5 30. Qh3 Rf6 31. Rf2 Rh6 32. Qf1 b6 33. Nb3 Qd8 34. Raa2 Bh4 35. Rh2 Qg5 36. Nb5 Bxb5 37. axb5 Nf6 38. Rag2 Nd7 39. c6 Nf8 40. Ra2 Ng6 41. Qa1 Qe7 42. Qc3 Kg7 43. Bg2 Rah8 44. Bf1 Bg3 45. Rxh6 Rxh6 46. Bg2 Qh4 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2003.06.24"]
[Round "6"]
[White "Irwin, Mark"]
[Black "De Niet, Gert Michiel"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2203"]
[BlackElo "2168"]
[PlyCount "85"]
[EventDate "2003.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. 0-0 Qc7 7. Qe2 d6 8. c4 g6 9. Nc3 Bg7 10. Be3 0-0 11. Kh1 Nbd7 12. f4 Re8 13. Rad1 b6 14. Nf3 Bb7 15. Bg1 Rac8 16. Rc1 Qb8 17. Bb1 Bc6 18. b4 Ba8 19. a3 Nh5 20. Nd2 f5 21. exf5 exf5 22. Qd3 Ndf6 23. Ba2 Kh8 24. Bd4 Re7 25. Nd5 Bxd5 26. cxd5 b5 27. Rc6 Rxc6 28. dxc6 Qc7 29. Qf3 Ng4 30. Bg1 Ngf6 31. Nb3 Re4 32. g3 d5 33. Rc1 Rc4 34. Re1 Ne4 35. Na5 Rc3 36. Qd1 d4 37. Bxd4 h6 38. Rxe4 fxe4 39. Bxc3 Bxc3 40. Qd5 Kg7 41. Qd7+ Qxd7 42. cxd7 Bf6 43. Nc6 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2003.06.17"]
[Round "5"]
[White "De Niet, Gert Michiel"]
[Black "Poncin, Peter"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "2168"]
[BlackElo "1974"]
[PlyCount "81"]
[EventDate "2003.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nc3 Nf6 4. Bg5 Ne4 5. Bh4 g5 6. cxd5 Nxc3 7. bxc3 Qxd5 8. Bg3 e5 9. e3 exd4 10. exd4 Be6 11. Rb1 0-0-0 12. Be2 Qa5 13. Qd2 Qxa2 14. Qxa2 Bxa2 15. Ra1 Bd5 16. Nf3 f6 17. 0-0 a6 18. Rfb1 Be4 19. Rb2 h5 20. h4 g4 21. Nd2 Bf5 22. Nc4 Bg7 23. Ne3 Bg6 24. Bc4 Rhe8 25. Nd5 Rd7 26. Nf4 Bf5 27. Nxh5 Bh8 28. Bxa6 bxa6 29. Rxa6 Rh7 30. Rxc6 Be4 31. Rc5 f5 32. Nf4 Bf6 33. h5 Bg5 34. f3 Bxf4 35. Bxf4 gxf3 36. gxf3 Bxf3 37. Rxf5 Rg8+ 38. Kf1 Rxh5 39. Rxh5 Bxh5 40. Kf2 Rf8 41. Ke3 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2003.06.10"]
[Round "4"]
[White "Janse, Paul"]
[Black "De Niet, Gert Michiel"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2183"]
[BlackElo "2168"]
[PlyCount "42"]
[EventDate "2003.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c4 a6 4. Nc3 Qc7 5. g3 Nc6 6. Bg2 g6 7. d4 cxd4 8. Nxd4 Bg7 9. Nxc6 dxc6 10. 0-0 e5 11. Be3 Be6 12. Rc1 Qe7 13. Na4 Rd8 14. Qc2 Nh6 15. Bc5 Qf6 16. Rcd1 Bf8 17. Rxd8+ Qxd8 18. Rd1 Qb8 19. Qd2 Ng4 20. Bxf8 Kxf8 21. Nc5 Bc8 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2003.06.03"]
[Round "3"]
[White "De Niet, Gert Michiel"]
[Black "Plug, Arjan JH"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2168"]
[BlackElo "1851"]
[PlyCount "61"]
[EventDate "2003.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 Nc6 3. Nc3 e5 4. d5 Ne7 5. e4 Ng6 6. Be3 Bb4 7. f3 Bxc3+ 8. bxc3 d6 9. c5 0-0 10. Bd3 Nf4 11. Bf1 Ne8 12. g3 Ng6 13. h4 f5 14. h5 Nh8 15. exf5 Bxf5 16. g4 Bd7 17. Bd3 dxc5 18. Bxc5 Nd6 19. Bxd6 cxd6 20. Qb1 e4 21. Bxe4 Qf6 22. Ne2 h6 23. Bh7+ Kf7 24. Qxb7 Qe7 25. Qb4 Rfe8 26. Qf4+ Qf6 27. Qxf6+ Kxf6 28. Kf2 Re5 29. c4 Nf7 30. Nd4 Ng5 31. Bf5 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2003.05.27"]
[Round "2"]
[White "Vriend, Wim"]
[Black "De Niet, Gert Michiel"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "1998"]
[BlackElo "2168"]
[PlyCount "36"]
[EventDate "2003.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. 0-0 Qc7 7. Qe2 d6 8. Nc3 g6 9. a4 b6 10. f4 Bg7 11. Be3 0-0 12. h3 Bb7 13. f5 exf5 14. exf5 Re8 15. Qf2 Nbd7 16. Rae1 Ne5 17. fxg6 fxg6 18. Nb3 Nfd7 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2003.05.20"]
[Round "1"]
[White "De Niet, Gert Michiel"]
[Black "Van den Bosse, Bart"]
[Result "1-0"]
[ECO "D17"]
[WhiteElo "2168"]
[BlackElo "1478"]
[PlyCount "43"]
[EventDate "2003.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 095 Extra"]
[Source "ChessBase"]
[SourceDate "2003.09.04"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. Ne5 e6 7. f3 Bb4 8. e4 Bxe4 9. fxe4 Nxe4 10. Bd2 Qxd4 11. Nxe4 Qxe4+ 12. Qe2 Bxd2+ 13. Kxd2 Qd5+ 14. Kc2 Na6 15. Nxc4 0-0-0 16. Qe3 Nb4+ 17. Kb3 c5 18. Rc1 Rd6 19. Be2 Rb6 20. Ka3 Ra6 21. Rhd1 Qc6 22. Nd6+ 1-0

[Event "Haarlem Nova College op 1st"]
[Site "Haarlem"]
[Date "2002.07.07"]
[Round "6"]
[White "De Niet, Gert Michiel"]
[Black "In't Veld, Rene"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2161"]
[BlackElo "1959"]
[PlyCount "70"]
[EventDate "2002.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. e5 Nfd7 6. Bd3 c5 7. c3 Nc6 8. 0-0 Qb6 9. dxc5 Bxc5 10. Qe2 Qc7 11. Re1 a6 12. Nb3 Ba7 13. Bf4 Nf8 14. Bg3 Bd7 15. Rac1 b5 16. Kh1 h6 17. h4 Ne7 18. Nbd4 Qb7 19. h5 g6 20. Nh2 Bxd4 21. cxd4 Nf5 22. Bxf5 gxf5 23. Bh4 Nh7 24. f4 Bc6 25. g4 Bd7 26. Rg1 Rc8 27. Qd2 Rxc1 28. Rxc1 0-0 29. gxf5 Rc8 30. Rg1+ Kf8 31. Qg2 Ke8 32. Qg8+ Nf8 33. Ng4 Rc2 34. Nf6+ Kd8 35. Qxf8+ Be8 1-0

[Event "Haarlem Nova College op 1st"]
[Site "Haarlem"]
[Date "2002.07.07"]
[Round "5"]
[White "Veldhuysen, Klaas"]
[Black "De Niet, Gert Michiel"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1917"]
[BlackElo "2161"]
[PlyCount "31"]
[EventDate "2002.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 c5 2. b3 b6 3. Nc3 Bb7 4. Nf3 e6 5. Bb2 a6 6. d4 cxd4 7. Nxd4 Qc7 8. Bd3 Bb4 9. Qd2 Nf6 10. f3 d5 11. exd5 Nxd5 12. Nde2 0-0 13. a3 Bd6 14. Nxd5 Bxd5 15. c4 Bb7 16. Bxg7 1/2-1/2

[Event "Haarlem Nova College op 1st"]
[Site "Haarlem"]
[Date "2002.07.06"]
[Round "4"]
[White "De Niet, Gert Michiel"]
[Black "Meijers, Viesturs"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2161"]
[BlackElo "2427"]
[PlyCount "62"]
[EventDate "2002.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 exd5 7. Bf4 Be7 8. g3 0-0 9. Bg2 c5 10. 0-0 c4 11. Ne5 Nc6 12. Nxc6 Bxc6 13. e3 b5 14. e4 a5 15. e5 Nd7 16. Be3 b4 17. axb4 axb4 18. Ne2 Rxa1 19. Qxa1 Qb6 20. f4 Ra8 21. Qb1 Qa7 22. Qc1 Qa2 23. Bf3 c3 24. bxc3 b3 25. c4 b2 26. Qc2 Rb8 27. Nc3 Qxc4 28. Bf2 b1Q 29. Rxb1 Rxb1+ 30. Kg2 Qb3 31. Qxb1 Qxc3 0-1

[Event "Haarlem Nova College op 1st"]
[Site "Haarlem"]
[Date "2002.07.06"]
[Round "3"]
[White "Jansz, Wilfred"]
[Black "De Niet, Gert Michiel"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1670"]
[BlackElo "2161"]
[PlyCount "40"]
[EventDate "2002.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Bb4 7. Qd2 Nf6 8. f3 d5 9. e5 Qxe5 10. 0-0-0 Qc7 11. Bd3 0-0 12. Bg5 Nbd7 13. g4 Re8 14. Qe3 Bc5 15. Qd2 Bxd4 16. Bxh7+ Nxh7 17. Rhe1 Bxc3 18. bxc3 Nxg5 19. Qxg5 Qxc3 20. Rd3 Qxe1+ 0-1

[Event "Haarlem Nova College op 1st"]
[Site "Haarlem"]
[Date "2002.07.05"]
[Round "1"]
[White "De Niet, Gert Michiel"]
[Black "Van Zutphen, Jimmy"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "2161"]
[BlackElo "1902"]
[PlyCount "109"]
[EventDate "2002.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 Bf5 3. cxd5 Bxb1 4. Qa4+ c6 5. Rxb1 Qxd5 6. Nf3 Nd7 7. Ra1 Nb6 8. Qc2 e6 9. e3 Bb4+ 10. Bd2 Qa5 11. Bd3 Nf6 12. 0-0 0-0 13. Bxb4 Qxb4 14. e4 h6 15. a3 Qe7 16. b4 Rfd8 17. Qc3 Rac8 18. a4 Nbd7 19. Rfe1 Re8 20. Bc4 Nb6 21. Bf1 Qc7 22. a5 Nbd7 23. g3 e5 24. Bg2 Qb8 25. Rac1 exd4 26. Qxd4 Rcd8 27. Qc4 Ne5 28. Nxe5 Qxe5 29. a6 Rd4 30. f4 Qd6 31. e5 Qd8 32. Qc5 b6 33. Qxc6 Nd5 34. Bxd5 Rxd5 35. Qc7 Re7 36. Qxd8+ Rxd8 37. Rc4 Rdd7 38. Re2 Rd1+ 39. Kg2 Ra1 40. Rc8+ Kh7 41. b5 Rd1 42. Rb8 Red7 43. Kf3 Kg6 44. g4 Rc7 45. h4 Rc3+ 46. Re3 Rc7 47. h5+ Kh7 48. Ra3 Rdd7 49. Re3 Re7 50. Rd3 Red7 51. Rxd7 Rxd7 52. Rb7 Rd5 53. Rxf7 Rxb5 54. Rxa7 Ra5 55. e6 1-0

[Event "Ghent op 24th"]
[Site "Ghent"]
[Date "2001.07.17"]
[Round "7"]
[White "Nuytens, Peter"]
[Black "De Niet, Gert Michiel"]
[Result "1-0"]
[ECO "C00"]
[BlackElo "2137"]
[PlyCount "45"]
[EventDate "2001.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 Nf6 5. Bg2 d5 6. Nbd2 Be7 7. 0-0 0-0 8. e5 Nd7 9. Re1 Qc7 10. Qe2 b5 11. h4 a5 12. Nf1 Re8 13. Bf4 b4 14. Ne3 Ba6 15. Nxd5 exd5 16. e6 Bd6 17. exf7+ Kxf7 18. Ng5+ Kf8 19. Nxh7+ Kg8 20. Bxd5+ Kh8 21. Qh5 Rxe1+ 22. Rxe1 Bxf4 23. Ng5# 1-0

[Event "Ghent op 23rd"]
[Site "Ghent"]
[Date "2000.07.??"]
[Round "?"]
[White "De Niet, Gert Michiel"]
[Black "De Jong, Tom"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "2144"]
[BlackElo "2299"]
[PlyCount "47"]
[EventDate "2000.07.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Be3 d6 6. f3 Nbd7 7. Qd2 c5 8. Nge2 a6 9. 0-0-0 Qa5 10. Kb1 b5 11. dxc5 dxc5 12. Nc1 e6 13. cxb5 Bb7 14. Nb3 Qb4 15. Qd6 axb5 16. Bxc5 Nxc5 17. Qxc5 Qxc5 18. Nxc5 b4 19. N3a4 Bc6 20. b3 Ra5 21. Be2 Rfa8 22. Rd2 Ne8 23. Rhd1 Bf8 24. Nd7 1/2-1/2

[Event "Groningen ABM op"]
[Site "Groningen"]
[Date "1999.??.??"]
[Round "?"]
[White "De Niet, Gert Michiel"]
[Black "Nepveu, Manuel"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2100"]
[BlackElo "2082"]
[PlyCount "63"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Bxd2 Bb7 7. Bg5 d6 8. e3 h6 9. Bh4 g5 10. Bg3 Ne4 11. Nd2 Nxg3 12. hxg3 Nd7 13. Qc2 a5 14. 0-0-0 Qf6 15. f3 c5 16. Ne4 Bxe4 17. Qxe4 Rc8 18. Qb7 Qd8 19. Kb1 Qc7 20. Qe4 Nf6 21. Qd3 Ke7 22. Be2 Qc6 23. d5 exd5 24. cxd5 c4 25. Qf5 Qd7 26. Qc2 b5 27. e4 b4 28. axb4 c3 29. b5 cxb2 30. Qxb2 Rc5 31. Rc1 Rxc1+ 32. Rxc1 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "1998.??.??"]
[Round "1"]
[White "De Niet, Gert Michiel"]
[Black "Beim, Valery"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "2210"]
[BlackElo "2555"]
[PlyCount "140"]
[EventDate "1998.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d6 2. c4 f5 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 g6 6. h4 h6 7. Bxf6 Nxf6 8. Nf3 c6 9. Qc2 Qa5 10. 0-0-0 Ne4 11. Kb1 Nxc3+ 12. Qxc3 Qxc3 13. bxc3 Bg7 14. Bd3 Kf7 15. h5 g5 16. e4 fxe4 17. Bxe4 Rf8 18. Nd2 Kg8 19. f3 g4 20. Rde1 Bd7 21. Kc2 Rac8 22. Kd3 Rc7 23. Bg6 e5 24. fxg4 Bxg4 25. Rhf1 Rxf1 26. Rxf1 d5 27. dxe5 Bxe5 28. Nf3 dxc4+ 29. Kxc4 Be6+ 30. Kd3 Rd7+ 31. Kc2 Bf6 32. a3 Rd5 33. Nd2 Kg7 34. a4 Ra5 35. Rf4 b5 36. axb5 Ra2+ 37. Kd3 Bg5 38. Rf2 cxb5 39. Ne4 Bc4+ 40. Kd4 Rxf2 41. Nxf2 Bf6+ 42. Kc5 Bxc3 43. Ne4 Bf6 44. Kb4 Be7+ 45. Ka5 b4 46. Nd2 Bd5 47. Ka6 Bc5 48. Kb5 Bf2 49. Kxb4 Be1 50. Kc5 Bxg2 51. Ne4 Bf1 52. Nd6 Kf6 53. Kd4 a5 54. Ne4+ Ke7 55. Nc3 Ba6 56. Nd5+ Kd6 57. Nf6 a4 58. Bc2 a3 59. Bb3 Bc8 60. Ne4+ Ke7 61. Ke5 Bg4 62. Nc5 Bxh5 63. Kf5 Bf7 64. Ne6 h5 65. Nc5 Bxb3 66. Nxb3 a2 67. Na1 h4 68. Kg4 Kd6 69. Nc2 Bg3 70. Kh5 Kc5 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "1998.??.??"]
[Round "7"]
[White "De Niet, Gert Michiel"]
[Black "Dekker, Theo"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2210"]
[BlackElo "2215"]
[PlyCount "97"]
[EventDate "1998.08.??"]
[EventType "swiss"]
[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 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Bxd2 Bb7 7. Bg5 d6 8. e3 Nbd7 9. Be2 0-0 10. 0-0 h6 11. Bh4 c5 12. h3 Qe7 13. Rc1 Rfe8 14. b4 e5 15. Re1 Rad8 16. Nh2 d5 17. Ng4 exd4 18. exd4 dxc4 19. dxc5 Nxc5 20. Bxf6 Rxd1 21. Bxe7 Rxc1 22. Rxc1 Rxe7 23. Bxc4 Ne4 24. Rd1 h5 25. Rd8+ Kh7 26. Ne3 g6 27. a4 Nc3 28. a5 bxa5 29. bxa5 Bc6 30. a6 Rc7 31. Rb8 Kg7 32. f3 Kf6 33. Rb3 Na4 34. Bd5 Ke5 35. Bc4 Nc5 36. Rb8 Kd4 37. Kf2 Nd3+ 38. Ke2 Nc1+ 39. Kd2 Re7 40. Rd8+ Rd7 41. Rxd7+ Bxd7 42. Bxf7 Ba4 43. Nc2+ Bxc2 44. Kxc2 Ne2 45. Kd2 Nf4 46. g3 Nxh3 47. Bxg6 Ng5 48. Bxh5 Kc5 49. Ke3 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "1998.??.??"]
[Round "3"]
[White "De Niet, Gert Michiel"]
[Black "Verholt, Gerard"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2210"]
[BlackElo "2125"]
[PlyCount "102"]
[EventDate "1998.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 Bd6 7. Be2 Qe7 8. 0-0 dxc4 9. a4 0-0 10. Bxc4 e5 11. h3 exd4 12. Nxd4 Ne5 13. Be2 Ng6 14. Nf5 Bxf5 15. Qxf5 Qe5 16. Qxe5 Bxe5 17. Bd2 Rad8 18. Be1 Rfe8 19. Rc1 Nf4 20. Bc4 Nd3 21. Rc2 Nxe1 22. Rxe1 Bxc3 23. Rxc3 Rd2 24. Re2 Rd1+ 25. Kh2 Red8 26. f3 h5 27. h4 Nd5 28. Rd3 Nb6 29. Rxd8+ Rxd8 30. Bb3 Rd3 31. Bc2 Rd5 32. Kg3 g6 33. b4 a5 34. e4 Rd4 35. bxa5 Nxa4 36. Re3 Nc5 37. Rc3 Na6 38. Kf4 Rb4 39. Bd3 Nc7 40. Ke5 Ra4 41. Kd6 Ne6 42. a6 bxa6 43. Bc4 Nd4 44. Ke7 Rb4 45. Kf6 Rb7 46. Bxa6 Rb6 47. Bc8 c5+ 48. Kg5 Rc6 49. Bd7 Rc7 50. Ba4 Kg7 51. e5 Ne6# 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "1998.??.??"]
[Round "9"]
[White "De Niet, Gert Michiel"]
[Black "Verwoert, Jef"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2210"]
[PlyCount "95"]
[EventDate "1998.08.??"]
[EventType "swiss"]
[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. bxa6 g6 6. Nf3 d6 7. g3 Bg7 8. Bg2 0-0 9. 0-0 Nxa6 10. Nc3 Qb6 11. Re1 Nc7 12. e4 Nb5 13. Nxb5 Qxb5 14. Qc2 Ba6 15. Bf1 Qb7 16. Bxa6 Rxa6 17. Bd2 Rfa8 18. a3 Nd7 19. Reb1 Rb6 20. Bc1 e6 21. dxe6 fxe6 22. Ra2 Rd8 23. Ng5 d5 24. b4 Bd4 25. Be3 Bxe3 26. fxe3 cxb4 27. Rxb4 Rxb4 28. axb4 Qxb4 29. Kg2 Qe1 30. Qe2 Qxe2+ 31. Rxe2 Nc5 32. Rc2 Nxe4 33. Nxe6 Re8 34. Nf4 Nf6 35. Rc6 Ng4 36. Nxd5 Nxe3+ 37. Nxe3 Rxe3 38. Rc8+ Kf7 39. Rc7+ Re7 40. Rxe7+ Kxe7 41. Kf3 Kf7 42. Kf4 Kf6 43. h4 h6 44. g4 g5+ 45. hxg5+ hxg5+ 46. Ke4 Ke6 47. Kd4 Kd6 48. Ke4 1/2-1/2

[Event "Computerij op"]
[Site "Zwolle"]
[Date "1998.??.??"]
[Round "2"]
[White "Ernst, Sipke"]
[Black "De Niet, Gert Michiel"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2300"]
[BlackElo "2210"]
[PlyCount "115"]
[EventDate "1998.03.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. e3 0-0 6. b4 b6 7. Qb3 c5 8. bxc5 bxc5 9. cxd5 Nbd7 10. Be2 Rb8 11. Qa3 Bb7 12. Rb1 Ba8 13. Rxb8 Qxb8 14. 0-0 Nxd5 15. Nxd5 Bxd5 16. dxc5 Qc7 17. Bd2 Qxc5 18. Qxc5 Nxc5 19. Bb4 Ne4 20. a3 Nc3 21. Ba6 Bf6 22. Nd4 Na2 23. Bc5 Rb8 24. Ra1 Nc3 25. Bb4 Rb6 26. Bf1 Ne4 27. Rc1 Kg7 28. Nb5 Bh4 29. g3 Bf6 30. Nc7 Rc6 31. Ne8+ Kf8 32. Rd1 Kxe8 33. Rxd5 Rc1 34. Kg2 Kf8 35. Bd3 Nc3 36. Rc5 Kg7 37. e4 Bd4 38. Rc7 e6 39. Kh3 h5 40. f4 Na2 41. Rxc1 Nxc1 42. Bc4 Bb2 43. a4 Kf6 44. Kg2 e5 45. Kf3 g5 46. f5 g4+ 47. Ke3 Bd4+ 48. Kd2 Bg1 49. Kxc1 Bxh2 50. Be1 Bg1 51. Kd1 Kg7 52. Ke2 f6 53. a5 h4 54. gxh4 Kh6 55. Kf1 Bh2 56. Bd2+ Kg7 57. h5 Bg3 58. Be1 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "1998.??.??"]
[Round "6"]
[White "Hendriks, Richard V"]
[Black "De Niet, Gert Michiel"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "2080"]
[BlackElo "2210"]
[PlyCount "55"]
[EventDate "1998.08.??"]
[EventType "swiss"]
[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. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 Ng4 9. Qxg4 Nxd4 10. Qd1 Nxb3 11. axb3 b6 12. Qd5 Qc7 13. Qxa8 Bxc3+ 14. Kd1 Bb7 15. Qxa7 Ba5 16. Rxa5 bxa5 17. Qd4 e5 18. Qb6 Qc8 19. Bh6 Bxe4 20. c3 Qd8 21. Qe3 Bxg2 22. Rg1 Qa8 23. Bxf8 Qd5+ 24. Ke2 Kxf8 25. f3 Bh3 26. Qh6+ Kg8 27. Qxh3 Qxb3 28. Qxd7 1-0

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1998.??.??"]
[Round "?"]
[White "Kroeze, Frank"]
[Black "De Niet, Gert Michiel"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2395"]
[BlackElo "2210"]
[PlyCount "145"]
[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. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 Bb4 7. Nde2 Nf6 8. Bg2 Be7 9. 0-0 0-0 10. b3 Nc6 11. Bb2 d6 12. Qd2 Rd8 13. a4 b6 14. h3 Bb7 15. Nf4 Rac8 16. Rac1 Na7 17. Qe2 Rb8 18. Nb1 b5 19. axb5 axb5 20. e5 Ne8 21. Bxb7 Rxb7 22. Rfd1 Nc6 23. exd6 Rxd6 24. Nc3 Rxd1+ 25. Rxd1 b4 26. Ne4 Rb8 27. Qc4 Qc8 28. Ra1 Nd8 29. Qd3 f6 30. Nd2 e5 31. Nd5 Bf8 32. h4 Nc7 33. Ne3 Nce6 34. Ndc4 Nc6 35. Qd5 Kh8 36. Nf5 Ne7 37. Nxe7 Bxe7 38. Ra7 Bf8 39. Rd7 Nc5 40. Rf7 Qe6 41. Rxf8+ Rxf8 42. Qxc5 Rd8 43. Ne3 Rb8 44. Qa7 Rc8 45. Qb7 f5 46. Bxe5 Rg8 47. Qc7 h6 48. Qd6 Re8 49. Nc4 Kh7 50. Qxe6 Rxe6 51. Bd6 Re1+ 52. Kg2 Rc1 53. Ne3 g5 54. hxg5 hxg5 55. Kf3 Kg6 56. Bxb4 Kf6 57. Bc3+ Ke6 58. Bd4 Rb1 59. Bb6 Rb2 60. Bd8 g4+ 61. Ke2 Rb1 62. Bc7 Ra1 63. Kd3 Ra7 64. Bf4 Rd7+ 65. Kc3 Rh7 66. b4 Rh2 67. Nd1 Kd5 68. Kd3 Kc6 69. c4 Rh8 70. b5+ Kc5 71. Kc3 Ra8 72. Be3+ Kd6 73. Kb4 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "1998.??.??"]
[Round "4"]
[White "Lahaye, Rick"]
[Black "De Niet, Gert Michiel"]
[Result "1-0"]
[ECO "A34"]
[BlackElo "2210"]
[PlyCount "75"]
[EventDate "1998.08.??"]
[EventType "swiss"]
[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. c4 e6 3. Nc3 a6 4. Nf3 Qc7 5. Be2 b6 6. 0-0 Bb7 7. d4 cxd4 8. Nxd4 Nf6 9. f3 Nc6 10. Be3 d6 11. Rc1 Ne5 12. b3 Be7 13. f4 Ned7 14. Bf3 Nc5 15. Qc2 0-0 16. b4 Ncd7 17. Qf2 Rfe8 18. Nd5 exd5 19. cxd5 Nc5 20. bxc5 bxc5 21. Nf5 Bf8 22. Ng3 Rab8 23. Bd4 Qd8 24. Bc3 Nd7 25. Nf5 g6 26. Ne3 Bg7 27. Bxg7 Kxg7 28. Nc4 Qf6 29. Qd2 Bc8 30. Qc3 Rb4 31. Nxd6 Rf8 32. Qxf6+ Kxf6 33. e5+ Ke7 34. Nc4 Bb7 35. a3 Rb5 36. Nd6 Rd8 37. Nxb5 axb5 38. d6+ 1-0

[Event "NED-chT"]
[Site "Netherlands"]
[Date "1998.??.??"]
[Round "?"]
[White "Van Mil, Johan"]
[Black "De Niet, Gert Michiel"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "2435"]
[BlackElo "2210"]
[PlyCount "102"]
[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. Nf3 e6 3. d3 d5 4. Nbd2 Nc6 5. g3 Bd6 6. Bg2 Nge7 7. 0-0 0-0 8. Re1 f6 9. c3 d4 10. Bh3 e5 11. Bxc8 Qxc8 12. Nc4 Bc7 13. a4 b6 14. cxd4 cxd4 15. b4 a6 16. Qb3 Qe6 17. b5 axb5 18. Qxb5 Rfb8 19. Ba3 Na5 20. Bxe7 Qxe7 21. Rec1 Kh8 22. Nfd2 g6 23. Rc2 Ra7 24. Rac1 Bd8 25. Kg2 Kg7 26. h3 Qe6 27. f4 exf4 28. gxf4 Be7 29. Nf3 Bc5 30. Qb2 Nc6 31. Qb3 Qe7 32. Re2 h6 33. e5 fxe5 34. Ncxe5 Nxe5 35. Rxe5 Qf7 36. Qxf7+ Kxf7 37. Rc4 Rba8 38. Nxd4 Rxa4 39. Rd5 Ra2+ 40. Kf3 R8a3 41. Nc6 Rf2+ 42. Kg3 Raa2 43. d4 Bf8 44. Rd8 Rg2+ 45. Kf3 Rgf2+ 46. Ke4 Rae2+ 47. Kd5 b5 48. Rc3 b4 49. Rc4 Rc2 50. Ne5+ Kg7 51. Rd7+ Kg8 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "1998.??.??"]
[Round "8"]
[White "Van den Bersselaar, Jeroen"]
[Black "De Niet, Gert Michiel"]
[Result "1/2-1/2"]
[ECO "D97"]
[BlackElo "2210"]
[PlyCount "156"]
[EventDate "1998.08.??"]
[EventType "swiss"]
[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 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 a6 8. e5 Ne8 9. Bf4 c6 10. Qb3 b5 11. Rd1 Nc7 12. Bd3 Be6 13. Qc2 Nd5 14. Nxd5 Bxd5 15. 0-0 a5 16. Ng5 a4 17. e6 f5 18. Be5 Bxa2 19. Qe2 Bxe5 20. dxe5 Qc8 21. Rc1 h6 22. Nh3 Qxe6 23. Nf4 Qf7 24. e6 Qf6 25. Rfe1 Na6 26. Rxc6 Nb4 27. Rc7 Nxd3 28. Qxd3 Bc4 29. Qg3 g5 30. h4 Rfe8 31. hxg5 hxg5 32. Nh5 Qh6 33. Rc5 Rf8 34. Nf4 Kh7 35. Nd5 Bxd5 36. Rxd5 b4 37. Qd3 Qg6 38. Ree5 a3 39. bxa3 bxa3 40. Ra5 a2 41. Qh3+ Qh6 42. Qa3 Qf6 43. Rxa8 Rxa8 44. Qxa8 Qxe5 45. Qxa2 Kg6 46. Kf1 Kf6 47. Qa8 Qxe6 48. Qh8+ Kg6 49. g3 f4 50. g4 f3 51. Qh5+ Kf6 52. Qh6+ Kf7 53. Qh7+ Ke8 54. Qh8+ Kd7 55. Qd4+ Kc7 56. Qa7+ Kd8 57. Qa8+ Kc7 58. Qxf3 Qc4+ 59. Kg1 Kd6 60. Qf5 Qd5 61. Qc2 e6 62. Qe2 Qd4 63. Kg2 e5 64. f3 Kc5 65. Qc2+ Kb4 66. Kf1 Qc4+ 67. Qxc4+ Kxc4 68. Ke2 Kd4 69. Kd2 e4 70. fxe4 Kxe4 71. Ke2 Kf4 72. Kf2 Kxg4 73. Kg2 Kh4 74. Kh2 g4 75. Kg2 g3 76. Kg1 Kh3 77. Kh1 g2+ 78. Kg1 Kg3 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "1998.??.??"]
[Round "2"]
[White "Van der Veen, Jan"]
[Black "De Niet, Gert Michiel"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2105"]
[BlackElo "2210"]
[PlyCount "111"]
[EventDate "1998.08.??"]
[EventType "swiss"]
[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. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. Bd3 d6 7. Nxd4 cxd4 8. Ne2 Nf6 9. c3 dxc3 10. dxc3 0-0 11. 0-0 Be6 12. Nd4 Bd7 13. Qe2 e5 14. Nf3 Nh5 15. f5 Nf4 16. Bxf4 exf4 17. Nd4 Be5 18. Rad1 Qc7 19. Rf3 Rae8 20. Qf2 a6 21. Rh3 Qd8 22. Bc2 Qf6 23. Qf3 Kg7 24. Ne2 Qg5 25. g3 fxg3 26. Nxg3 Bc6 27. Kh1 Qe7 28. Rg1 Bxg3 29. f6+ Qxf6 30. Rxh7+ Kxh7 31. Qxf6 Rxe4 32. Bxe4 Bxe4+ 33. Rg2 Bxg2+ 34. Kxg2 Be5 35. Qe7 Kg7 36. Qxb7 Rh8 37. h3 Rh5 38. Qxa6 Rg5+ 39. Kf3 Rg3+ 40. Ke4 Rxh3 41. Qb5 Rg3 42. a4 f5+ 43. Kd5 Bf4 44. a5 Be3 45. a6 f4 46. Qb7+ Kf6 47. a7 Bxa7 48. Qxa7 g5 49. Qd4+ Kf5 50. b4 Re3 51. b5 g4 52. b6 g3 53. b7 Re8 54. Qg7 Rb8 55. Kd4 d5 56. Qe5+ 1-0

[Event "Haarlem AKN op 06th"]
[Site "Haarlem"]
[Date "1997.??.??"]
[Round "2"]
[White "Abbink, Michel"]
[Black "De Niet, Gert Michiel"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2245"]
[BlackElo "2005"]
[PlyCount "76"]
[EventDate "1997.06.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Nf3 Nf6 6. Be3 cxd4 7. cxd4 Nc6 8. Nc3 Qd6 9. a3 b6 10. Bd3 Bb7 11. 0-0 Be7 12. Qe2 0-0 13. Rad1 Rac8 14. Bb1 Nd5 15. Ne4 Qb8 16. Neg5 g6 17. Bc1 Bf6 18. h4 Rcd8 19. Ne4 Bg7 20. Bg5 Rd7 21. Rfe1 h6 22. Bc1 Rfd8 23. h5 gxh5 24. Qc2 Kf8 25. g3 Nce7 26. Ne5 Bxe5 27. dxe5 Qxe5 28. Bxh6+ Ke8 29. Bg5 Qg7 30. Rxd5 Nxd5 31. Bxd8 Rxd8 32. Qa4+ Kf8 33. Qxa7 f5 34. Nc3 Nxc3 35. bxc3 Bd5 36. Qxb6 Qd7 37. Qd4 Rc8 38. Qh8+ Ke7 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "1997.??.??"]
[Round "6"]
[White "Barsov, Alexei"]
[Black "De Niet, Gert Michiel"]
[Result "1-0"]
[ECO "D91"]
[WhiteElo "2445"]
[PlyCount "75"]
[EventDate "1997.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8. Qd2 exd5 9. Qe3+ Kf8 10. Qf4 Bf6 11. h4 h6 12. Nf3 c6 13. 0-0-0 Be6 14. e4 dxe4 15. Ne5 Kg7 16. Nxe4 Bxa2 17. Rh3 Bd5 18. Rf3 Bxe4 19. Qxe4 b5 20. Bxb5 cxb5 21. Qxa8 Bxe5 22. dxe5 Qc7+ 23. Rc3 Qxe5 24. Qxa7 Qf4+ 25. Qe3 Qxh4 26. Qd4+ Qxd4 27. Rxd4 h5 28. Rc7 g5 29. Rd5 Kg6 30. Rxb5 f6 31. Rb6 h4 32. f3 Kf5 33. b4 Kf4 34. Rc4+ Ke3 35. Rxf6 h3 36. gxh3 Kd3 37. Rc5 Rxh3 38. Kb2 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "1997.??.??"]
[Round "8"]
[White "Berendsen, Richard"]
[Black "De Niet, Gert Michiel"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2215"]
[PlyCount "109"]
[EventDate "1997.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. 0-0 Qc7 7. Nc3 d6 8. Be3 g6 9. h3 Bg7 10. Qd2 0-0 11. Bh6 e5 12. Nf3 b5 13. a3 Bb7 14. Qg5 Nfd7 15. Bxg7 Kxg7 16. Nh4 f6 17. Qg4 Nb6 18. Rae1 Kh8 19. Nd5 Nxd5 20. exd5 f5 21. Qg5 Bxd5 22. f4 e4 23. Be2 Be6 24. Nxg6+ hxg6 25. Qh6+ Kg8 26. Qxg6+ Kh8 27. Qh6+ Kg8 28. Qxe6+ Kg7 29. Kh2 Nc6 30. Bh5 Rf6 31. Qd5 Raf8 32. Re3 Ne7 33. Qd2 Rh8 34. Rg3+ Kf8 35. Qd4 Rhh6 36. Rc3 Qd8 37. Be2 d5 38. Rd1 Qd6 39. g3 Rh8 40. Kg2 Rfh6 41. h4 Kf7 42. a4 bxa4 43. Bc4 Rd8 44. Ba2 Qb6 45. Rc5 Rhd6 46. h5 Rb8 47. Rxd5 Nxd5 48. Bxd5+ Ke7 49. Qe5+ Kd8 50. h6 Kc7 51. h7 Qe3 52. Kh3 Rh8 53. Bg8 Rxh7+ 54. Bxh7 Qb6 55. Qe7+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "1997.??.??"]
[Round "3"]
[White "De Niet, Gert Michiel"]
[Black "Aubel, Jochem"]
[Result "1/2-1/2"]
[ECO "D80"]
[BlackElo "2260"]
[PlyCount "47"]
[EventDate "1997.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Bg7 5. Bxf6 Bxf6 6. cxd5 c6 7. dxc6 Nxc6 8. e3 Qb6 9. Qb3 0-0 10. Qxb6 axb6 11. Nd5 Be6 12. Nxf6+ exf6 13. a3 Rfc8 14. Bd3 Nb4 15. Kd2 Nxd3 16. Kxd3 Bc4+ 17. Kd2 Bb3 18. Rc1 Rxc1 19. Kxc1 Rc8+ 20. Kb1 Rc2 21. Nh3 g5 22. Rf1 Rd2 23. Kc1 Rc2+ 24. Kb1 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "1997.??.??"]
[Round "5"]
[White "De Niet, Gert Michiel"]
[Black "Bellin, Robert"]
[Result "1-0"]
[ECO "C03"]
[BlackElo "2400"]
[PlyCount "83"]
[EventDate "1997.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. Nd2 Ne7 4. Ngf3 Ng6 5. h4 h5 6. g3 c5 7. exd5 exd5 8. Be2 Nc6 9. dxc5 Bxc5 10. Nb3 Bb6 11. Nfd4 Nxd4 12. Nxd4 Ne5 13. Bf4 Ng4 14. f3 Qf6 15. c3 Ne5 16. Bb5+ Nc6 17. Qe2+ Kf8 18. 0-0-0 Bd7 19. Nxc6 bxc6 20. Bd3 Re8 21. Qd2 Qxf4 22. Qxf4 Be3+ 23. Qxe3 Rxe3 24. Rhf1 Rh6 25. Kd2 Re7 26. Rde1 c5 27. b4 c4 28. Bb1 Ra6 29. Rxe7 Kxe7 30. Re1+ Kf6 31. f4 Ra3 32. Re5 d4 33. cxd4 Rxg3 34. Rc5 Be6 35. f5 c3+ 36. Rxc3 Rxc3 37. Kxc3 Bxf5 38. Bxf5 Kxf5 39. Kd3 Kf4 40. b5 g5 41. hxg5 h4 42. Ke2 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "1997.??.??"]
[Round "1"]
[White "De Niet, Gert Michiel"]
[Black "Deegens, Vincent"]
[Result "0-1"]
[ECO "D20"]
[BlackElo "2320"]
[PlyCount "68"]
[EventDate "1997.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Nb6 6. Bb3 Nc6 7. Be3 Bf5 8. Ne2 e6 9. Nbc3 Be7 10. 0-0 Nb4 11. f4 Qd7 12. a3 N4d5 13. Bf2 c6 14. Qd2 0-0 15. Ng3 Bg6 16. Nce4 Rfd8 17. Nc5 Qc8 18. Rac1 Bf8 19. Nge4 Nd7 20. Bc2 Be7 21. g4 Nxc5 22. Nxc5 Bxc5 23. Bxg6 fxg6 24. Rxc5 Qd7 25. Rc2 Rf8 26. Bg3 Rad8 27. a4 Nc7 28. Bf2 Qd5 29. Qe3 Qa2 30. Bh4 Rd7 31. Rcc1 Qxa4 32. Ra1 Qb5 33. Rxa7 Na6 34. Qc3 Qb6 0-1

[Event "Haarlem AKN op 06th"]
[Site "Haarlem"]
[Date "1997.??.??"]
[Round "3"]
[White "De Niet, Gert Michiel"]
[Black "Dijkstra, Sjouke"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2005"]
[PlyCount "46"]
[EventDate "1997.06.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Be7 6. Qc2 0-0 7. e4 d5 8. cxd5 exd5 9. e5 Ne8 10. Bd3 h6 11. b4 Ba6 12. b5 Bb7 13. Rb1 Nd7 14. Qb3 c6 15. bxc6 Bxc6 16. Nxd5 Nc7 17. Nxc7 Qxc7 18. d5 Nc5 19. Qc2 Bxd5 20. Bh7+ Kh8 21. Bb2 Bb3 22. Qf5 Be6 23. Qc2 Bb3 1/2-1/2

[Event "Haarlem AKN op 06th"]
[Site "Haarlem"]
[Date "1997.??.??"]
[Round "5"]
[White "De Niet, Gert Michiel"]
[Black "Molenaar, Joseph"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "2005"]
[BlackElo "1710"]
[PlyCount "124"]
[EventDate "1997.06.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 Bf5 5. cxd5 cxd5 6. Qb3 b6 7. Bg5 e6 8. e3 Be7 9. Bb5+ Nfd7 10. Bf4 a6 11. Bxb8 Rxb8 12. Bxa6 0-0 13. 0-0 h5 14. Be2 Bh7 15. Rfc1 g5 16. Nb5 Rb7 17. Rc3 Qb8 18. Rac1 g4 19. Nd2 Nf6 20. Bd3 Bxd3 21. Rxd3 Kg7 22. Rdc3 h4 23. g3 hxg3 24. fxg3 Rh8 25. Rf1 Rh3 26. Rf2 Rd7 27. a3 Rd8 28. Qd1 Rdh8 29. Rg2 Bd6 30. Nxd6 Qxd6 31. Qe2 e5 32. Qf2 exd4 33. exd4 Ne4 34. Nxe4 dxe4 35. Qe3 Rd8 36. Rd2 Qh6 37. Qxh6+ Rxh6 38. Re3 f5 39. d5 Rhd6 40. Rb3 Kf6 41. Kf2 Ke5 42. Ke3 Rc8 43. Rb5 Rc5 44. Rxc5 bxc5 45. Rc2 Rxd5 46. Rc3 Kd6 47. Kf4 Ke6 48. Rb3 Rd2 49. Rb6+ Rd6 50. Rb8 c4 51. Re8+ Kd5 52. Kxf5 Rb6 53. Re5+ Kd4 54. Rxe4+ Kd3 55. Rxg4 Rxb2 56. h4 c3 57. Rg8 Rb5+ 58. Kg6 Rc5 59. Rf8 Ke2 60. Rb8 c2 61. Rb2 Kd3 62. Rxc2 Rxc2 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "1997.??.??"]
[Round "9"]
[White "De Niet, Gert Michiel"]
[Black "Speyer, Nico"]
[Result "0-1"]
[ECO "E84"]
[PlyCount "48"]
[EventDate "1997.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Rb8 9. h4 b5 10. h5 e5 11. d5 Na5 12. Ng3 bxc4 13. 0-0-0 Nd7 14. Nb1 c5 15. dxc6 Nxc6 16. hxg6 hxg6 17. Qxd6 Nd4 18. Nc3 Rb6 19. Qa3 Nf6 20. Bxc4 Qc7 21. Bd5 Rd8 22. Qa5 Nxd5 23. exd5 Bb7 24. Kb1 Rxb2+ 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "1997.??.??"]
[Round "7"]
[White "De Niet, Gert Michiel"]
[Black "Van Blitterswijk, Stefan"]
[Result "0-1"]
[ECO "A34"]
[BlackElo "2365"]
[PlyCount "73"]
[EventDate "1997.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. Nf3 Nc6 7. d3 e5 8. 0-0 Be7 9. b3 Be6 10. Bb2 0-0 11. Rc1 f6 12. Rc2 Qd7 13. Rd2 Rfd8 14. Qa1 b5 15. Ne4 a5 16. Rc1 Na6 17. e3 Qe8 18. d4 cxd4 19. exd4 Bd5 20. Re2 f5 21. Ned2 e4 22. Ne1 Bg5 23. f3 Qh5 24. Rd1 Bxd2 25. Rexd2 exf3 26. Bh1 f4 27. gxf4 Rd6 28. Nd3 Rg6+ 29. Kf2 Qh4+ 30. Ke3 Rf8 31. Rf2 Nab4 32. Rdf1 Nxd3 33. Kxd3 Nb4+ 34. Kd2 Qxf4+ 35. Kd1 Nd3 36. Rd2 Qe3 37. Bc3 0-1

[Event "Haarlem AKN op 06th"]
[Site "Haarlem"]
[Date "1997.??.??"]
[Round "6"]
[White "Gould, Paul"]
[Black "De Niet, Gert Michiel"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "1740"]
[BlackElo "2005"]
[PlyCount "104"]
[EventDate "1997.06.26"]
[EventType "swiss"]
[EventRounds "6"]
[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. Bg2 Bg7 4. d3 0-0 5. 0-0 c5 6. e4 d6 7. Nbd2 Nc6 8. Re1 Bd7 9. a4 Rc8 10. c3 a6 11. Qe2 b5 12. axb5 axb5 13. Nf1 b4 14. Bd2 bxc3 15. bxc3 Ne8 16. Reb1 Rb8 17. Qd1 Nc7 18. Ne3 Nb5 19. Qc1 Ne5 20. Nxe5 dxe5 21. Nd1 Bc6 22. Qc2 e6 23. Be3 Qe7 24. Qa2 Rfc8 25. Qc4 Bd7 26. Qa2 Qd6 27. Qe2 Qc6 28. c4 Nd4 29. Bxd4 exd4 30. e5 Qc7 31. f4 Bc6 32. Bxc6 Qxc6 33. Nf2 Bf8 34. Ne4 Be7 35. Qg2 Kg7 36. g4 Qc7 37. g5 Rh8 38. Nf6 h6 39. h4 h5 40. Ne4 Rb6 41. Rxb6 Qxb6 42. Qa2 Rb8 43. Kf2 Qb2+ 44. Qxb2 Rxb2+ 45. Kf3 Rb3 46. Ke2 Rb2+ 47. Nd2 Rb7 48. Rb1 Rxb1 49. Nxb1 Bd8 50. Nd2 Ba5 51. Ne4 Bb4 52. Nd2 Kf8 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "1997.??.??"]
[Round "2"]
[White "Osterwald, Elwin"]
[Black "De Niet, Gert Michiel"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2160"]
[PlyCount "72"]
[EventDate "1997.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. f3 Nf6 5. Nc3 c5 6. e4 dxe4 7. d5 exf3 8. Nxf3 a6 9. Qe2 g6 10. 0-0-0 Bg7 11. d6 e6 12. Bg5 0-0 13. Ne5 Nbd7 14. Ng4 h5 15. Nxf6+ Bxf6 16. Bxf6 Qxf6 17. Qe3 b6 18. Be2 Bb7 19. Rhf1 Qe5 20. Qh6 b5 21. Rfe1 Qg7 22. Qe3 Rfd8 23. g4 hxg4 24. Bxg4 Nf6 25. Bf3 Bxf3 26. Qxf3 b4 27. Ne4 Nxe4 28. Qxe4 a5 29. Re3 a4 30. a3 Rab8 31. Qd3 Rd7 32. Qc4 bxa3 33. bxa3 Qa1+ 34. Kd2 Rxd6+ 35. Rd3 Rxd3+ 36. Qxd3 Qe5 0-1

[Event "Haarlem AKN op 06th"]
[Site "Haarlem"]
[Date "1997.??.??"]
[Round "4"]
[White "Pouw, Pieter"]
[Black "De Niet, Gert Michiel"]
[Result "0-1"]
[ECO "B28"]
[PlyCount "102"]
[EventDate "1997.06.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 e6 7. Re1 Nge7 8. c3 d5 9. e5 0-0 10. Bf4 b5 11. b3 a5 12. Nbd2 a4 13. h4 h6 14. Nf1 Qa5 15. Qc1 Kh7 16. N1h2 Bd7 17. Ng4 Ng8 18. Bd2 Qb6 19. Bf4 Ra6 20. Rb1 axb3 21. axb3 Ra2 22. Rb2 Qa5 23. Rxa2 Qxa2 24. Qb1 Qxb1 25. Rxb1 Ra8 26. c4 bxc4 27. bxc4 dxc4 28. dxc4 Ra4 29. Rb7 Be8 30. Ne3 Nd4 31. Rb2 Ne7 32. Rd2 Nxf3+ 33. Bxf3 Nc6 34. Bxc6 Bxc6 35. Rd1 Bf3 36. Rc1 g5 37. hxg5 hxg5 38. Bxg5 Bxe5 39. Nf1 Bb2 40. Rb1 Bd4 41. Nd2 Be2 42. Rc1 Bd3 43. Nb3 Bxc4 44. Nxd4 cxd4 45. Kg2 Bd5+ 46. Kf1 Kg6 47. Bf4 Bf3 48. Ke1 f6 49. Rb1 e5 50. Bc1 Kf5 51. Kd2 Ra2+ 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "1997.??.??"]
[Round "4"]
[White "Van Baarle, John"]
[Black "De Niet, Gert Michiel"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2305"]
[PlyCount "64"]
[EventDate "1997.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Bd3 Nc6 7. 0-0 cxd4 8. cxd4 Be7 9. Nc3 Qd6 10. Re1 0-0 11. a3 b6 12. Bc2 Bb7 13. Qd3 Rfd8 14. Nb5 Qd7 15. Bg5 g6 16. Rad1 a6 17. Nc3 b5 18. Bb3 b4 19. axb4 Nxb4 20. Qe2 Nbd5 21. Ne5 Qe8 22. Bh6 Rdc8 23. Qd3 a5 24. Ba4 Qd8 25. Qh3 Ra6 26. Bg5 Rb6 27. Rd3 Nh5 28. Nxf7 Kxf7 29. Rf3+ Kg8 30. Rxe6 Bxg5 31. Rxb6 Qxb6 32. Qd7 Ndf6 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1993.??.??"]
[Round "7"]
[White "De Niet, Gert Michiel"]
[Black "Aubel, Jochem"]
[Result "1/2-1/2"]
[ECO "E84"]
[PlyCount "47"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Nge2 Nc6 7. Be3 a6 8. Qd2 Rb8 9. Bh6 Bxh6 10. Qxh6 b5 11. h4 bxc4 12. 0-0-0 e5 13. h5 g5 14. Qxg5+ Kh8 15. d5 Na5 16. g4 Nd7 17. Qe3 Rg8 18. Ng3 Nc5 19. Rh2 Qg5 20. Qxg5 Rxg5 21. Be2 Rg8 22. Nf1 Bd7 23. Ne3 Bb5 24. Rd2 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1993.??.??"]
[Round "5"]
[White "De Niet, Gert Michiel"]
[Black "De Heer, Machiel"]
[Result "0-1"]
[ECO "E94"]
[PlyCount "82"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. Nf3 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. e4 Nc6 7. Be3 Nf6 8. Be2 0-0 9. 0-0 Re8 10. f3 Be6 11. Qd2 Nd7 12. Rad1 a6 13. Rfe1 Kh8 14. Kh1 Rc8 15. Nd5 Nde5 16. Bg5 f6 17. Nxe6 Rxe6 18. Be3 f5 19. Bg5 Qf8 20. exf5 gxf5 21. Nf4 Ree8 22. Nh5 Qf7 23. Nxg7 Qxg7 24. Bh6 Qg6 25. Bf4 Rg8 26. Rg1 Rce8 27. Qc3 Rg7 28. Bf1 h5 29. g3 Kh7 30. Kg2 Rge7 31. h4 Re6 32. Kh2 Ne7 33. Rg2 c5 34. Rf2 N7c6 35. Bg2 Nd4 36. Rdd2 b5 37. cxb5 axb5 38. b4 Nc4 39. Rd1 Ne2 40. Qb3 Nxf4 41. gxf4 Re2 0-1

[Event "Hengelo op-A"]
[Site "Hengelo"]
[Date "1992.??.??"]
[Round "3"]
[White "De Jager, Jaap"]
[Black "De Niet, Gert Michiel"]
[Result "1-0"]
[ECO "B26"]
[PlyCount "29"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e6 7. Qd2 Rb8 8. Nf3 Nd4 9. Bxd4 cxd4 10. Nb5 Qb6 11. Qb4 Kd7 12. e5 dxe5 13. Nd2 Ne7 14. Nc4 Qa6 15. Qc5 1-0

[Event "Hengelo op-A"]
[Site "Hengelo"]
[Date "1992.??.??"]
[Round "1"]
[White "De Niet, Gert Michiel"]
[Black "Blauboer, M."]
[Result "1-0"]
[ECO "D20"]
[PlyCount "31"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 c6 6. Nc3 e6 7. Nf3 Be7 8. Bd2 0-0 9. Qe2 b5 10. Bd3 Na6 11. h4 f6 12. exf6 Bxf6 13. Qe4 h6 14. Bxh6 Kf7 15. Bg5 Ke8 16. Ne5 1-0

[Event "Leeuwarden op"]
[Site "Leeuwarden"]
[Date "1992.??.??"]
[Round "7"]
[White "De Niet, Gert Michiel"]
[Black "Nussink, A."]
[Result "1-0"]
[ECO "E20"]
[PlyCount "69"]
[EventDate "1992.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 c5 5. Nf3 b6 6. Bg2 Bb7 7. 0-0 Bxc3 8. bxc3 d6 9. Bf4 0-0 10. Qd3 cxd4 11. cxd4 Qe7 12. a4 Nc6 13. Qa3 Rfd8 14. Rfd1 Rac8 15. Bd2 Rc7 16. Rdc1 Ne4 17. Bb4 Nxb4 18. Qxb4 g5 19. a5 bxa5 20. Rxa5 Qf6 21. Rxa7 Rdd7 22. g4 Qf4 23. Rb1 Qxg4 24. Qa5 Qf4 25. e3 Qf6 26. Rbxb7 Rxc4 27. Rxd7 Rc1+ 28. Bf1 Qxf3 29. Qd8+ Kg7 30. Rxf7+ Qxf7 31. Rxf7+ Kxf7 32. Qd7+ Kf6 33. Kg2 Rc2 34. Bd3 Rxf2+ 35. Kg1 1-0

[Event "Hengelo op-A"]
[Site "Hengelo"]
[Date "1992.??.??"]
[Round "5"]
[White "De Niet, Gert Michiel"]
[Black "Stromberg, Peter"]
[Result "1/2-1/2"]
[ECO "D91"]
[PlyCount "29"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 Bg7 7. e3 c5 8. Nf3 Nc6 9. cxd5 Qxd5 10. Be2 cxd4 11. cxd4 e5 12. dxe5 Qa5+ 13. Qd2 Qxd2+ 14. Kxd2 Nxe5 15. Rab1 1/2-1/2

[Event "Leeuwarden op"]
[Site "Leeuwarden"]
[Date "1992.??.??"]
[Round "4"]
[White "Hibma, Jan"]
[Black "De Niet, Gert Michiel"]
[Result "1-0"]
[ECO "D85"]
[PlyCount "71"]
[EventDate "1992.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 0-0 8. Be2 c5 9. Rb1 cxd4 10. cxd4 Qa5+ 11. Bd2 Qxa2 12. 0-0 Nd7 13. Qc1 Nb6 14. Ra1 Qe6 15. Bd3 Qd7 16. Rd1 Qd8 17. h3 Be6 18. Bh6 Bb3 19. Re1 a5 20. Bxg7 Kxg7 21. Qc3 a4 22. d5+ Kg8 23. h4 Rc8 24. Qd2 Nc4 25. Qh6 f6 26. Nd4 Rf7 27. Ne6 Qa5 28. Rec1 b5 29. e5 f5 30. h5 gxh5 31. Bxf5 Rb8 32. Ng5 Rg7 33. Bxh7+ Kh8 34. Bf5+ Kg8 35. Be6+ Kf8 36. Qh8+ 1-0

[Event "Hengelo op-A"]
[Site "Hengelo"]
[Date "1992.??.??"]
[Round "2"]
[White "Van Mil, Lucas"]
[Black "De Niet, Gert Michiel"]
[Result "0-1"]
[ECO "B43"]
[PlyCount "46"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Bb4 7. Qd2 Nf6 8. f3 d5 9. Bd3 e5 10. exd5 exd4 11. Bxd4 Qe7+ 12. Kd1 0-0 13. Qg5 h6 14. Qh4 Bxc3 15. bxc3 Nxd5 16. Qg3 Qg5 17. Qf2 Nc6 18. h4 Qf4 19. g3 Qc7 20. c4 Nxd4 21. cxd5 Qc3 22. Rb1 Re8 23. Rc1 Bf5 0-1

