[Event "Hilversum op-B"]
[Site "Hilversum"]
[Date "2018.06.22"]
[Round "2"]
[White "De Vries, Ronald"]
[Black "Binnendijk, Daan"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1770"]
[BlackElo "1945"]
[PlyCount "75"]
[EventDate "2018.06.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. c3 Bd6 6. Ne2 Qf6 7. Be3 Nh6 8. Bxh6 Qxh6 9. Qd2 Qf6 10. Qc2 h6 11. Nd2 a6 12. Nf1 Bd7 13. Qb3 Ne7 14. Ne3 Be6 15. Qxb7 0-0 16. Qb3 Rfb8 17. Qc2 Rb6 18. 0-0 c5 19. b3 Rc8 20. dxc5 Bxc5 21. Qd2 Kh8 22. Rac1 Qg5 23. f4 Qf6 24. b4 Bd6 25. Bb1 g6 26. Qd4 Qxd4 27. Nxd4 Kg7 28. a3 Nc6 29. Ne2 f5 30. Ba2 Re8 31. Nd4 Nxd4 32. cxd4 a5 33. Nxd5 Bxd5 34. Bxd5 axb4 35. Rb1 Reb8 36. axb4 Rxb4 37. Rxb4 Rxb4 38. g3 1-0

[Event "Leiden Noteboom Memorial-B 72nd"]
[Site "Leiden"]
[Date "2012.02.18"]
[Round "3"]
[White "Riemens, Koen"]
[Black "De Vries, Ronald"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "99"]
[EventDate "2012.02.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Nf3 Nd7 7. Nbd2 c5 8. c3 c4 9. Qc2 Ne7 10. 0-0 Nf5 11. h3 Qc7 12. Nh2 Be7 13. Ndf3 Nb6 14. Bd2 0-0-0 15. b4 Kb8 16. a4 h6 17. b5 Rd7 18. Rfb1 Qd8 19. a5 Nc8 20. Rb2 g5 21. Qa4 Rg8 22. Ne1 h5 23. g3 g4 24. h4 Rg7 25. Ng2 Rh7 26. Nf1 Ka8 27. Bf4 f6 28. Re1 Ng7 29. Rbe2 f5 30. Ra2 Kb8 31. Rb1 Ka8 32. Bc1 Bf8 33. Nf4 Be7 34. Ne3 Kb8 35. Neg2 Ka8 36. Ng6 Kb8 37. N2f4 Ka8 38. Nxe7 Qxe7 39. Ba3 Qe8 40. Bc5 Qf7 41. Bxa7 Nxa7 42. b6 Nc6 43. a6 Nb8 44. axb7+ Kxb7 45. Qb5 Kc8 46. Qc5+ Kd8 47. Ra8 Rb7 48. Qd6+ Kc8 49. Rb5 Qe7 50. Rc5+ 1-0

[Event "Delft Prinsenstad op-B"]
[Site "Delft"]
[Date "2008.01.05"]
[Round "3"]
[White "Burggraaf, Jan Theodoor"]
[Black "De Vries, Ronald"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1940"]
[BlackElo "1815"]
[PlyCount "84"]
[EventDate "2008.01.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nc6 3. Bg2 e5 4. d3 Nf6 5. 0-0 Be6 6. Nbd2 Qd7 7. Ng5 Bg4 8. c4 h6 9. cxd5 Nxd5 10. Qb3 hxg5 11. Qxd5 Bd6 12. Ne4 f6 13. Nxd6+ cxd6 14. Be3 Bh3 15. Rfc1 Bxg2 16. Qxg2 Ke7 17. Rc3 Qh3 18. Qxh3 Rxh3 19. Kg2 Rhh8 20. Rac1 Kd7 21. b4 a6 22. a4 Rhc8 23. b5 axb5 24. axb5 Ne7 25. Rxc8 Rxc8 26. Rxc8 Kxc8 27. Ba7 Kc7 28. b6+ Kc6 29. e4 Nc8 30. h4 gxh4 31. gxh4 g6 32. h5 gxh5 33. Kg3 Nxb6 34. Kh4 Nd7 35. Be3 b5 36. d4 b4 37. d5+ Kb5 38. Kxh5 b3 39. Bc1 Nc5 40. Ba3 Nxe4 41. f4 Kc4 42. fxe5 fxe5 0-1

[Event "Haarlem op"]
[Site "Haarlem"]
[Date "2007.07.01"]
[Round "5"]
[White "Levasier, Pieter"]
[Black "De Vries, Ronald"]
[Result "0-1"]
[ECO "B18"]
[PlyCount "113"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 e6 7. Bd3 Bd6 8. Be3 Ne7 9. Qd2 Nd7 10. 0-0 Bxd3 11. Qxd3 Ng6 12. c4 Nf6 13. Rad1 Bc7 14. Bg5 h6 15. Be3 0-0 16. b4 Qd7 17. h3 Rfd8 18. Qb3 Qe7 19. Rfe1 Bxg3 20. fxg3 Nh5 21. Bf2 Qc7 22. Ne5 Nxe5 23. Rxe5 Nf6 24. a4 Rd7 25. g4 Rad8 26. g5 hxg5 27. Rxg5 Ne4 28. Bg3 Nxg3 29. Rxg3 Rxd4 30. Rxd4 Rxd4 31. Qc3 e5 32. Kf2 Qb6 33. Ke2 Re4+ 34. Re3 Rxe3+ 35. Qxe3 Qxe3+ 36. Kxe3 f5 37. c5 Kf7 38. g3 Ke6 39. Kd3 Kd5 40. a5 g6 41. h4 a6 42. Kc3 e4 43. Kb3 Kd4 44. Kc2 Kc4 45. Kd2 Kxb4 46. Ke3 Kxc5 47. g4 fxg4 48. Kxe4 g3 49. Kf3 Kd5 50. Kxg3 c5 51. Kf4 c4 52. Ke3 Kc5 53. Kd2 Kb4 54. Kc2 Kxa5 55. Kc3 Kb5 56. Kb2 Kb4 57. Kc2 0-1

[Event "Tilburg Stukkenjagers op-B"]
[Site "Tilburg"]
[Date "2006.08.18"]
[Round "1"]
[White "De Vries, Ronald"]
[Black "Lambregts, Frank"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1688"]
[BlackElo "1321"]
[PlyCount "45"]
[EventDate "2006.08.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nc3 d6 5. h3 Nc6 6. Nf3 h6 7. Ne2 Bd7 8. Ng3 Nd4 9. c3 Nxf3+ 10. Qxf3 Qe7 11. a4 a5 12. Bd2 b6 13. 0-0 c6 14. Kh1 Ra7 15. Nf5 Bxf5 16. Qxf5 0-0 17. f4 g6 18. Qxg6+ Kh8 19. Qxh6+ Kg8 20. f5 d5 21. Bg5 dxc4 22. Bxf6 Qxf6 23. Qxf6 1-0

[Event "Haarlem Nova College op"]
[Site "Haarlem"]
[Date "2006.07.07"]
[Round "1"]
[White "De Vries, Ronald"]
[Black "De Saegher, Chris"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1739"]
[BlackElo "2144"]
[PlyCount "72"]
[EventDate "2006.07.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. e4 d6 2. Bc4 Nf6 3. d3 c6 4. c3 d5 5. exd5 cxd5 6. Bb3 Nc6 7. Ne2 e5 8. 0-0 Be7 9. Nd2 Bg4 10. Qe1 Qd7 11. Ng3 h5 12. f3 Be6 13. Ne2 0-0-0 14. Qf2 Bf5 15. d4 Bd3 16. dxe5 Nxe5 17. Re1 Ba6 18. Bc2 Rhe8 19. Ng3 Qc7 20. Nb3 g6 21. Be3 h4 22. Ne2 Bd6 23. Bxa7 Neg4 24. fxg4 Nxg4 25. Bf5+ gxf5 26. Qxf5+ Qd7 27. Qxd7+ Kxd7 28. h3 Bxe2 29. hxg4 Bxg4 30. Bd4 Bg3 31. Bf2 f5 32. Nd4 Re4 33. Re3 f4 34. Rae1 Rde8 35. Kf1 h3 36. Bxg3 fxg3 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2002.06.25"]
[Round "6"]
[White "Korving, Frank"]
[Black "De Vries, Ronald"]
[Result "0-1"]
[ECO "B86"]
[WhiteElo "1631"]
[PlyCount "104"]
[EventDate "2002.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 Be7 7. Be3 a6 8. a3 0-0 9. h3 Qc7 10. Bb3 Nc6 11. 0-0 b5 12. f4 Bb7 13. Nf3 Rfd8 14. Qe2 Na5 15. Qf2 Nxb3 16. Bb6 Qd7 17. Bxd8 Nxa1 18. Bxe7 Qxe7 19. Rxa1 Nxe4 20. Nxe4 Bxe4 21. Nd4 e5 22. fxe5 dxe5 23. Nb3 Rc8 24. c3 Bd5 25. Nd2 Qc5 26. Rd1 Qxf2+ 27. Kxf2 f6 28. Nf1 Bc6 29. Ne3 g6 30. Rd6 f5 31. h4 Kf7 32. h5 Ke7 33. Rd2 Ke6 34. h6 f4 35. Nc2 a5 36. a4 b4 37. cxb4 Bxa4 38. Ne1 axb4 39. Nd3 b3 40. Nb4 Rc2 41. Ke2 e4 42. Kd1 Rxd2+ 43. Kxd2 Ke5 44. Na6 Kd4 45. Nc7 Bd7 46. Na8 e3+ 47. Ke1 g5 48. Nb6 Be6 49. Na4 g4 50. Nc3 Bc4 51. Nd1 f3 52. gxf3 gxf3 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2002.06.18"]
[Round "5"]
[White "De Vries, Ronald"]
[Black "Van der Hoeven, Peter"]
[Result "1-0"]
[ECO "E91"]
[BlackElo "1649"]
[PlyCount "79"]
[EventDate "2002.05.21"]
[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 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 Nc6 7. d5 Nb8 8. 0-0 Nbd7 9. Qc2 Nc5 10. Rb1 Nh5 11. b4 Bxc3 12. Qxc3 Nxe4 13. Qd4 Nef6 14. Bb2 e5 15. Qc3 Nf4 16. Rfe1 Bf5 17. Rbd1 Ne4 18. Qe3 Ng5 19. Bf1 Nxf3+ 20. Qxf3 h5 21. Qc3 Qg5 22. Re3 h4 23. Kh1 f6 24. g3 hxg3 25. fxg3 Nh3 26. Rd2 Qg4 27. Bg2 Kf7 28. Bf3 Qg5 29. g4 Bd7 30. Bc1 f5 31. Rg2 f4 32. Re1 Rh8 33. Bd1 Rh4 34. Rg3 Rah8 35. Rf1 Bxg4 36. Bxg4 Nf2+ 37. Rxf2 Rxh2+ 38. Rxh2 Rxh2+ 39. Kxh2 fxg3+ 40. Kxg3 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2002.05.21"]
[Round "1"]
[White "De Vries, Ronald"]
[Black "Huizer, Olivier"]
[Result "0-1"]
[ECO "D36"]
[BlackElo "1500"]
[PlyCount "68"]
[EventDate "2002.05.21"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 Nbd7 8. Qc2 b6 9. 0-0-0 Bb7 10. Nge2 c6 11. f3 Re8 12. g4 Nf8 13. h3 Rc8 14. h4 c5 15. Bxf6 Bxf6 16. g5 Be7 17. f4 g6 18. Qd2 c4 19. Bc2 Qd7 20. h5 b5 21. hxg6 fxg6 22. Rh2 b4 23. Nb1 b3 24. Bxg6 Nxg6 25. a3 Bd6 26. Ng3 Rxe3 27. Nh5 Qe7 28. Nf6+ Kh8 29. Rxh7+ Qxh7 30. Nxh7 Bxf4 31. Nf6 Rh3 32. Nc3 Bxd2+ 33. Rxd2 Rh1+ 34. Rd1 Rxd1+ 0-1

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "13"]
[White "De Vries, Ronald"]
[Black "Van Dijk, Rens"]
[Result "1-0"]
[ECO "C40"]
[PlyCount "57"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Qf6 3. c3 Bc5 4. d4 exd4 5. cxd4 Bb6 6. e5 Qf5 7. Bc4 Nc6 8. 0-0 Qg6 9. b3 d6 10. Ng5 h6 11. Bxf7+ Qxf7 12. Nxf7 Kxf7 13. Bb2 dxe5 14. dxe5 h5 15. Qf3+ Ke8 16. Re1 Nd4 17. Bxd4 Bxd4 18. Nc3 Bg4 19. Qxb7 Rd8 20. Qc6+ Bd7 21. Qg6+ Kf8 22. e6 Be8 23. Qf5+ Ke7 24. Nd5+ Kd6 25. Rad1 Nh6 26. Qf4+ Kc5 27. Qxd4+ Kc6 28. Qc4+ Kd6 29. Qxc7# 1-0

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "3"]
[White "De Vries, Ronald"]
[Black "Van Duijvenbode, Harrie"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "50"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 Nf6 4. Nc3 Qa5 5. Qe2 e6 6. f4 Bb4 7. Bd2 0-0 8. a3 c6 9. Qd1 Bxc3 10. Bxc3 Qf5 11. Qd2 Ne4 12. Bd3 Nxd2 13. Bxf5 exf5 14. Bxd2 Re8+ 15. Ne2 b6 16. c4 Ba6 17. b3 b5 18. Ra2 bxc4 19. Rc2 cxb3 20. Rxc6 Rxe2+ 21. Kd1 Nxc6 22. Re1 Rxe1+ 23. Kxe1 b2 24. d5 b1Q+ 25. Kf2 Qf1+ 0-1

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "2"]
[White "Den Heeten, Djurre"]
[Black "De Vries, Ronald"]
[Result "1-0"]
[ECO "C30"]
[PlyCount "79"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Bc4 g6 4. d3 Bg7 5. Nc3 Nc6 6. Be3 Nd4 7. Qd2 exf4 8. Bxf4 c5 9. Nge2 Bh3 10. gxh3 Nf3+ 11. Kd1 Nxd2 12. Kxd2 Nf6 13. Nb5 Qa5+ 14. c3 0-0 15. Nxd6 Rab8 16. Nxf7 Rxf7 17. Bxf7+ Kxf7 18. Bxb8 Qb6 19. Kc2 a5 20. Rhf1 Qe6 21. e5 Qxh3 22. exf6 Bh6 23. Bg3 Qg2 24. Rf2 Qd5 25. c4 Qg5 26. Nc3 b6 27. Ne4 Qe3 28. Raf1 Qd4 29. Bf4 Bxf4 30. Rxf4 h5 31. Ng5+ Kf8 32. Ne6+ Kf7 33. Nxd4 g5 34. Rf5 h4 35. Nb5 h3 36. Rxg5 a4 37. Rg7+ Ke6 38. f7 a3 39. f8Q axb2 40. Qd6# 1-0

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "12"]
[White "Hoek, Erik"]
[Black "De Vries, Ronald"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "42"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 d6 4. Bc4 Nf6 5. d3 Be6 6. Bb3 d5 7. exd5 Bxd5 8. Bxd5 Nxd5 9. Nxd5 Qxd5 10. Be3 0-0-0 11. c4 Qd7 12. a3 f5 13. b4 Re8 14. b5 Nd4 15. 0-0 Nxf3+ 16. gxf3 f4 17. Bxa7 Re6 18. Qa4 Rg6+ 19. Kh1 Qh3 20. Rg1 Qxf3+ 21. Rg2 Qxg2# 0-1

