[Event "NED-ch U20 op"]
[Site "Borne"]
[Date "2019.08.10"]
[Round "9"]
[White "Merkon, Oseb"]
[Black "De Vries, Tobias"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2013"]
[BlackElo "1868"]
[PlyCount "90"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. d4 g6 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Nf3 c5 9. 0-0 Nc6 10. Bb2 cxd4 11. Nxd4 Na5 12. Be2 b6 13. Qc2 Bb7 14. Nb3 Nc6 15. Rfd1 Qc7 16. Rac1 Bh6 17. Nd2 Rfd8 18. c4 Nd4 19. Bxd4 Rxd4 20. Bf3 Rc8 21. Nb3 Rxd1+ 22. Rxd1 Bf4 23. h3 Ba6 24. Be2 h5 25. g3 Be5 26. f4 Bd6 27. e5 Bc5+ 28. Kh2 Bb7 29. e6 Qc6 30. exf7+ Kxf7 31. Bd3 h4 32. gxh4 Be3 33. Rf1 Rd8 34. Nc1 Bxc1 35. Bxg6+ Qxg6 36. Rxc1 Be4 37. Qf2 Rg8 38. Rg1 Qxg1+ 39. Qxg1 Rxg1 40. Kxg1 Bd3 41. c5 bxc5 42. Kf2 Kg6 43. Ke3 c4 44. Kd4 Kh5 45. f5 Kxh4 0-1

[Event "NED-ch U20 op"]
[Site "Borne"]
[Date "2019.08.09"]
[Round "8"]
[White "De Vries, Tobias"]
[Black "Akulova, Alicia"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "1868"]
[BlackElo "1702"]
[PlyCount "44"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. 0-0 Be7 5. d4 b5 6. b3 Bb7 7. c4 bxc4 8. bxc4 dxc4 9. Qa4+ Nfd7 10. Na3 0-0 11. Nxc4 c5 12. Nfe5 Bxg2 13. Kxg2 cxd4 14. Nxd7 Qxd7 15. Qxd7 Nxd7 16. Rb1 Rac8 17. Rb7 Rfd8 18. Ba3 Bxa3 19. Nxa3 a6 20. Rfb1 Nc5 21. R7b6 Kf8 22. Rc1 Ke7 1/2-1/2

[Event "NED-ch U20 op"]
[Site "Borne"]
[Date "2019.08.09"]
[Round "7"]
[White "Hempler, Poul"]
[Black "De Vries, Tobias"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1809"]
[BlackElo "1868"]
[PlyCount "89"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Nf6 4. c4 e6 5. dxe6 Bxe6 6. Nf3 Nc6 7. Be2 Bd6 8. 0-0 0-0 9. b3 Qc7 10. Bb2 Nd4 11. h3 Nxe2+ 12. Qxe2 Nh5 13. Ng5 Nf4 14. Qe4 g6 15. Nxe6 fxe6 16. Nc3 Qe7 17. Rae1 Qg5 18. Re3 Rae8 19. Nb5 Bb8 20. Qxb7 Re7 21. Qe4 Ref7 22. Na3 Rd8 23. Bc3 Nh5 24. Qg4 Qe7 25. Qxe6 Qc7 26. Qe5 Qxe5 27. Bxe5 Bxe5 28. Rxe5 Rxd2 29. Rxc5 Rxa2 30. Nb5 Rb2 31. Nd4 Rd7 32. Rd1 Nf4 33. Kh2 Rxf2 34. Kg3 Rxg2+ 35. Kxf4 Rf7+ 36. Ke4 Rg3 37. Ne6 Re7 38. Re5 Re8 39. Rd3 Rg1 40. Kd5 Ra1 41. c5 Ra5 42. Kd6 Rb5 43. c6 Rxe5 44. Kxe5 Kf7 45. Rd7+ 1-0

[Event "NED-ch U20 op"]
[Site "Borne"]
[Date "2019.08.08"]
[Round "6"]
[White "De Vries, Tobias"]
[Black "Butzen, Robin"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1868"]
[BlackElo "1967"]
[PlyCount "43"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Nxc6 bxc6 7. 0-0 d5 8. c4 e6 9. cxd5 cxd5 10. e4 dxe4 11. Bxe4 Rb8 12. Qa4+ Bd7 13. Qxa7 Rxb2 14. Rd1 Re2 15. Rxd7 Re1+ 16. Kg2 Rxc1 17. Rxd8+ Kxd8 18. Nc3 Rxa1 19. Nb5 Rd1 20. Qc7+ Ke8 21. Bc6+ Kf8 22. Nd6 1-0

[Event "NED-ch U20 op"]
[Site "Borne"]
[Date "2019.08.07"]
[Round "5"]
[White "Kroon, Gerbrich"]
[Black "De Vries, Tobias"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "1483"]
[BlackElo "1868"]
[PlyCount "102"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 e6 6. d3 Nge7 7. c3 0-0 8. Re1 d5 9. Nbd2 b6 10. Nb3 Bb7 11. d4 dxe4 12. Nfd2 cxd4 13. cxd4 Nxd4 14. Nxe4 Nxb3 15. Qxb3 Bd5 16. Qd1 h6 17. Qe2 Nf5 18. Rd1 Qc8 19. Be3 Nxe3 20. fxe3 Rd8 21. Rac1 Qb7 22. Nc3 Bxg2 23. Qxg2 Qxg2+ 24. Kxg2 Bxc3 25. bxc3 Rac8 26. Rxd8+ Rxd8 27. Rc2 Kg7 28. Kf3 f5 29. Kf4 Kf6 30. h4 Rd1 31. Kf3 Ke5 32. Ke2 Rd5 33. Rb2 Rc5 34. Kd3 Kd5 35. Rb4 e5 36. a4 e4+ 37. Kc2 Rc4 38. Rb5+ Kd6 39. Kb3 Rc5 40. Rb4 Ke5 41. Rd4 Rc6 42. Rd7 a5 43. Rd4 g5 44. hxg5 hxg5 45. Rd1 f4 46. gxf4+ gxf4 47. exf4+ Kxf4 48. Re1 Kf3 49. Kc2 e3 50. Kd3 Rd6+ 51. Kc4 e2 0-1

[Event "NED-ch U20 op"]
[Site "Borne"]
[Date "2019.08.07"]
[Round "4"]
[White "Vleming, Stefan"]
[Black "De Vries, Tobias"]
[Result "1/2-1/2"]
[ECO "A52"]
[WhiteElo "1760"]
[BlackElo "1868"]
[PlyCount "117"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Be2 0-0 7. 0-0 Re8 8. b3 Ngxe5 9. Bb2 d6 10. Nc3 a5 11. Qd2 Ng4 12. Rad1 Nxe3 13. Nd5 Nxd1 14. Rxd1 f6 15. Bd3 Ne5 16. Bxe5 Rxe5 17. Nxe5 fxe5 18. Qe2 g6 19. Qf3 Kg7 20. Nc3 Qf8 21. Qxf8+ Kxf8 22. Ne4 Bd4 23. Nf6 h5 24. Nd5 Bg4 25. Re1 c6 26. Nf6 Be6 27. Ne4 Ke7 28. Ng5 Bf5 29. Bxf5 gxf5 30. Nf3 Kf6 31. Nxd4 exd4 32. f4 Rd8 33. Rd1 c5 34. Re1 Rd7 35. Kf2 Re7 36. Rxe7 Kxe7 37. a4 h4 38. h3 d5 39. Ke2 Kd6 40. Kd3 b6 41. Kd2 b5 42. cxb5 c4 43. bxc4 dxc4 44. Kc2 Kc5 45. Kd2 d3 46. Kc3 Kd5 47. Kd2 Kd4 48. b6 c3+ 49. Kd1 Ke3 50. b7 c2+ 51. Kc1 Ke2 52. b8Q d2+ 53. Kxc2 d1Q+ 54. Kb2 Qd2+ 55. Kb3 Qd1+ 56. Kb2 Qd2+ 57. Kb3 Qd5+ 58. Kc3 Qd2+ 59. Kb3 1/2-1/2

[Event "NED-ch U20 op"]
[Site "Borne"]
[Date "2019.08.06"]
[Round "3"]
[White "De Vries, Tobias"]
[Black "Hilwerda, Jonas"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1868"]
[BlackElo "2263"]
[PlyCount "24"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. Nf3 f5 2. e4 fxe4 3. Ng5 Nf6 4. d3 e5 5. dxe4 h6 6. Nf3 d6 7. Bc4 Bg4 8. Bf7+ Kxf7 9. Nxe5+ dxe5 10. Qxd8 Bb4+ 11. c3 Rxd8 12. cxb4 Rd1# 0-1

[Event "NED-ch U20 op"]
[Site "Borne"]
[Date "2019.08.06"]
[Round "2"]
[White "De Vries, Tobias"]
[Black "Nies, Levi"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1868"]
[BlackElo "1516"]
[PlyCount "45"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Bf5 5. 0-0 Nf6 6. c4 e6 7. Nc3 a6 8. cxd5 Nxd5 9. Nh4 Nxc3 10. bxc3 Bg4 11. Qa4 Qd7 12. Rb1 Rc8 13. d5 exd5 14. Bxd5 Be7 15. Rd1 Bxh4 16. Bxc6 Qxc6 17. Qxg4 Bf6 18. Rd6 Qxd6 19. Qxc8+ Bd8 20. Bf4 Qd5 21. Rxb7 0-0 22. Rd7 Qe6 23. Qxd8 1-0

[Event "NED-ch U20 op"]
[Site "Borne"]
[Date "2019.08.05"]
[Round "1"]
[White "Baselmans, Luuk"]
[Black "De Vries, Tobias"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2250"]
[BlackElo "1868"]
[PlyCount "89"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. b3 d5 6. d3 Nf6 7. Nbd2 Be7 8. Bb2 0-0 9. 0-0 Nd7 10. Ne5 Nxe5 11. Bxe5 f6 12. Bb2 Bd6 13. f4 Qc7 14. Qf3 Ba6 15. Kh1 Rab8 16. Bc3 Rbe8 17. a4 f5 18. e5 Be7 19. Qh5 g6 20. Qh6 Rf7 21. Rad1 Bf8 22. Qh4 Qe7 23. Qg3 Rg7 24. Nf3 h6 25. Qh3 Rh7 26. g4 Qf7 27. Rg1 fxg4 28. Rxg4 h5 29. Rg3 Bh6 30. Qxh5 Bxf4 31. Qxg6+ Rg7 32. Qxf7+ Kxf7 33. Rxg7+ Kxg7 34. Rg1+ Kf7 35. Nh4 Rh8 36. Rg4 Be3 37. Nf3 Rh5 38. Kg2 Rf5 39. Be1 Bb7 40. Bf2 Bh6 41. Bxc5 Bg7 42. Ng5+ Ke8 43. d4 Bh6 44. Nxe6 Ba6 45. Nc7+ 1-0

