[Event "NED-ch U14"]
[Site "Almelo"]
[Date "2023.05.06"]
[Round "9"]
[White "Vijver, Jonathan"]
[Black "Klein Tuente, Sam"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "1781"]
[BlackElo "1478"]
[PlyCount "41"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 Bb4 6. Qd4 Nc6 7. Qxg7 Qf6 8. Bh6 Be7 9. Qxf6 Bxf6 10. Bf4 Bxc3+ 11. bxc3 Nf6 12. Bd3 d5 13. e5 Nd7 14. 0-0 Nc5 15. Bc2 b6 16. Nd4 Nxd4 17. cxd4 Nd7 18. Ba4 Ba6 19. Rfc1 Bc4 20. Bb3 b5 21. Bd2 1/2-1/2

[Event "NED-ch U14"]
[Site "Almelo"]
[Date "2023.05.05"]
[Round "8"]
[White "Chua, Ethan"]
[Black "Vijver, Jonathan"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1776"]
[BlackElo "1781"]
[PlyCount "72"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. g4 Bb7 9. g5 Nfd7 10. Qd2 Ne5 11. a3 Nbd7 12. f4 Nc4 13. Bxc4 bxc4 14. f5 e5 15. Nde2 Rc8 16. Ng3 Nc5 17. Rf1 Qa5 18. f6 g6 19. h4 Ne6 20. h5 Nc7 21. Qf2 Na8 22. 0-0-0 d5 23. exd5 Bxa3 24. Nge4 Bb4 25. Kb1 Kd7 26. Rh1 Rb8 27. Ba7 Bxc3 28. Nxc3 Nc7 29. Bxb8 Rxb8 30. Qd2 Ba8 31. Ne4 Qb6 32. Qc3 Nb5 33. Qxe5 Re8 34. Qg3 Rxe4 35. Qg1 Nc3+ 36. Kc1 Ne2+ 0-1

[Event "NED-ch U14"]
[Site "Almelo"]
[Date "2023.05.04"]
[Round "6"]
[White "Terlouw, Wouter"]
[Black "Vijver, Jonathan"]
[Result "1/2-1/2"]
[ECO "A85"]
[WhiteElo "1923"]
[BlackElo "1781"]
[PlyCount "58"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 f5 2. d4 Nf6 3. Nc3 g6 4. h4 Bg7 5. h5 d6 6. h6 Bf8 7. Bg5 Nc6 8. f3 e6 9. e4 Be7 10. Nge2 0-0 11. Be3 a6 12. exf5 exf5 13. d5 Ne5 14. Nd4 Bd7 15. Qd2 c5 16. Nc2 Rb8 17. Bf4 Qe8 18. Ne3 Nf7 19. Be2 b5 20. Kf1 bxc4 21. Nxc4 Qc8 22. Re1 Re8 23. Bd3 Bf8 24. Kf2 Rxe1 25. Rxe1 Nh5 26. Rh1 Nxf4 27. Qxf4 Qd8 28. g4 fxg4 29. fxg4 Qg5 1/2-1/2

[Event "NED-ch U14"]
[Site "Almelo"]
[Date "2023.05.04"]
[Round "7"]
[White "Vijver, Jonathan"]
[Black "Ambrona Navarro, Himar"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1781"]
[BlackElo "1834"]
[PlyCount "102"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 0-0 8. Ne2 Re8 9. 0-0 Be6 10. Be3 Nd7 11. Ng3 Qc7 12. Re1 Rad8 13. Qc2 g6 14. Rad1 c5 15. d5 Bxd5 16. Bxg6 hxg6 17. Rxd5 Nb6 18. Rdd1 Nc4 19. Bc1 Kg7 20. Rxe8 Rxe8 21. b3 Bxg3 22. hxg3 Ne5 23. Bf4 g5 24. Bxe5 Qxe5 25. Qd3 b6 26. c4 Qe2 27. Qxe2 Rxe2 28. a4 Rb2 29. Rd3 Kg6 30. g4 f5 31. gxf5+ Kxf5 32. Re3 f6 33. g3 Kg4 34. Kg2 f5 35. Rd3 f4 36. gxf4 gxf4 37. Rc3 Kf5 38. Rd3 Ke4 39. Rh3 Rd2 40. Rh7 Rd3 41. Re7+ Kd4 42. Rxa7 Rxb3 43. a5 bxa5 44. Rxa5 Kxc4 45. Ra8 Rb4 46. Kf3 Kb3 47. Rc8 c4 48. Kxf4 c3+ 49. Kf5 c2 50. f4 Rc4 51. Rb8+ Kc3 0-1

[Event "NED-ch U14"]
[Site "Almelo"]
[Date "2023.05.03"]
[Round "5"]
[White "Vijver, Jonathan"]
[Black "Ten Kate, Gustav"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "1781"]
[BlackElo "1815"]
[PlyCount "91"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bd6 7. Be2 Nd7 8. 0-0 0-0 9. c4 Re8 10. Be3 Nf8 11. Qd2 Ng6 12. Rac1 a5 13. Rfd1 Bf5 14. a3 a4 15. h3 Qb8 16. Bf1 Bf4 17. Re1 Bxe3 18. Rxe3 Rxe3 19. fxe3 Be4 20. Qf2 Ra5 21. c5 Ra8 22. Nd2 Bd5 23. Nc4 Bxc4 24. Bxc4 b5 25. Bd3 Ne7 26. Qf3 Qc8 27. Qe4 Qe6 28. Qf3 Qb3 29. Qe4 g6 30. Rb1 Nd5 31. Bc2 Qxe3+ 32. Qxe3 Nxe3 33. Be4 Rc8 34. Kf2 Nc4 35. Bd3 Nd2 36. Rd1 Nb3 37. Bc2 Rd8 38. Bxb3 axb3 39. Ke3 Rd5 40. Kd3 Rg5 41. Rd2 Rg3+ 42. Ke4 Rg5 43. Re2 Kf8 44. Kd3 Rg3+ 45. Ke4 Rg5 46. Kd3 1/2-1/2

[Event "NED-ch U14"]
[Site "Almelo"]
[Date "2023.05.02"]
[Round "4"]
[White "Frederiks, Jesse"]
[Black "Vijver, Jonathan"]
[Result "0-1"]
[ECO "A60"]
[WhiteElo "1510"]
[BlackElo "1781"]
[PlyCount "128"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. Nxd5 Nxd5 6. cxd5 d6 7. e3 g6 8. Bd2 Bg7 9. Bc3 f6 10. Bb5+ Bd7 11. Bxd7+ Nxd7 12. Ne2 Nf8 13. Qa4+ Qd7 14. Qxd7+ Kxd7 15. h4 b5 16. b3 a5 17. a4 b4 18. Bb2 Re8 19. Kd2 Ke7 20. g4 Kf7 21. Rac1 Re7 22. h5 Nd7 23. h6 Bf8 24. g5 Re8 25. Bxf6 Nxf6 26. gxf6 Re5 27. Nf4 g5 28. Nd3 Rxd5 29. Rc4 Rf5 30. f4 gxf4 31. Rxf4 Kxf6 32. Rh5 Rxf4 33. Nxf4 Rg8 34. Kd3 Rg1 35. Kd2 Be7 36. Rh2 Kf5 37. Rf2 Ke4 38. Ne2 Rg6 39. Rf4+ Kd5 40. Rf7 Bg5 41. Rxh7 Rxh6 42. Rxh6 Bxh6 43. Kd3 Ke5 44. Ng1 d5 45. Nf3+ Kf5 46. Nh2 Bg7 47. Nf3 Kg4 48. Ne1 Bc3 49. Ng2 Be5 50. e4 d4 51. Ne1 Kf4 52. Ng2+ Kg3 53. Ne1 Kf2 54. Nc2 Bg3 55. Na1 Kf3 56. Nc2 Kf4 57. Na1 Be1 58. Nc2 Bc3 59. Kc4 Kxe4 60. Kxc5 d3 61. Nxb4 Bxb4+ 62. Kc4 d2 63. Kb5 d1Q 64. Kc4 Qd3# 0-1

[Event "NED-ch U14"]
[Site "Almelo"]
[Date "2023.05.02"]
[Round "3"]
[White "Vijver, Jonathan"]
[Black "Van Batenburg, Mees"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "1781"]
[BlackElo "2054"]
[PlyCount "36"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. d4 c5 6. Bg5 Qa5 7. a3 c4 8. Be2 Nc6 9. 0-0 h6 10. Be3 Be7 11. Qd2 Nf8 12. h4 Bd7 13. Rfb1 Nh7 14. b3 b5 15. bxc4 bxc4 16. g3 0-0 17. Kg2 Rab8 18. Rh1 f5 1/2-1/2

[Event "NED-ch U14"]
[Site "Almelo"]
[Date "2023.05.01"]
[Round "2"]
[White "Kazarjan, Gachatur"]
[Black "Vijver, Jonathan"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1872"]
[BlackElo "1781"]
[PlyCount "89"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 Bf5 6. Qb3 c6 7. Qxb7 Qe7+ 8. Qxe7+ Bxe7 9. Nf3 0-0 10. Be2 h6 11. 0-0 Nbd7 12. cxd5 cxd5 13. Bb5 Nb6 14. a4 Ne4 15. a5 Nxc3 16. bxc3 Nc4 17. Bxc4 dxc4 18. Bf4 Bf6 19. Ra4 Rfe8 20. Rc1 Rac8 21. Nd2 Bd3 22. Nf1 Re4 23. g3 g5 24. Bd6 g4 25. Bf4 Kh7 26. Ne3 h5 27. Rb4 Be7 28. Rb7 Kg6 29. Ra1 Ra8 30. Rc7 Bg5 31. Bxg5 Kxg5 32. Rxf7 a6 33. Rc7 Rf8 34. Rc6 h4 35. Rxa6 hxg3 36. hxg3 Rh8 37. Rb6 Rxe3 38. fxe3 Be4 39. Rf1 Rh1+ 40. Kf2 Rh2+ 41. Ke1 Ra2 42. Rf4 Bd3 43. d5 Rxa5 44. e4 Ra2 45. Rf5# 1-0

[Event "NED-ch U14"]
[Site "Almelo"]
[Date "2023.04.30"]
[Round "1"]
[White "Vijver, Jonathan"]
[Black "Arnold, Rhys"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "1781"]
[BlackElo "2003"]
[PlyCount "107"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 a6 7. 0-0 Nge7 8. Bg5 h6 9. Be3 b5 10. Bb3 Na5 11. Re1 Bb7 12. Ne5 Qc7 13. Bf4 Nxb3 14. Qxb3 d6 15. Nf3 Ng6 16. Be3 Be7 17. Rac1 Qa5 18. a3 0-0 19. Bd2 Qd8 20. a4 Rb8 21. axb5 axb5 22. Be3 Qd7 23. Ra1 Rfc8 24. Ra7 Qe8 25. Ra5 Bc6 26. Nd4 b4 27. Nce2 Kh7 28. Ng3 Bf6 29. f3 Bd7 30. Nh5 Bxd4 31. Bxd4 e5 32. Be3 Qd8 33. Qxf7 Qe7 34. Qxe7 Nxe7 35. Ra7 Rd8 36. Rc1 Nc8 37. Rac7 Kg6 38. Ng3 b3 39. Ne2 Nb6 40. Bxb6 Rxb6 41. Ra7 Bc6 42. Rc7 Bd7 43. R1c3 Kf6 44. Nc1 Be6 45. Kf2 Ra8 46. Nd3 Ra2 47. g3 Ra1 48. Rc1 Rba6 49. f4 exf4 50. gxf4 R6a2 51. Rxa1 Rxa1 52. Rc6 Ke7 53. Rc7+ Kf6 54. Rc6 1/2-1/2

[Event "NED-ch op-B"]
[Site "Borne"]
[Date "2019.08.10"]
[Round "9"]
[White "Geldof, Max"]
[Black "Vijver, Jonathan"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "749"]
[BlackElo "999"]
[PlyCount "44"]
[EventDate "2019.08.05"]
[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 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d3 d5 5. Bg5 d4 6. Nd5 Be7 7. Bxf6 Bxf6 8. Be2 Be6 9. 0-0 Bxd5 10. exd5 Qxd5 11. c4 Qd8 12. Re1 0-0 13. Qd2 Ne7 14. Bd1 Ng6 15. Qb4 b6 16. Qb5 c5 17. Ba4 Nf4 18. Rad1 h6 19. Nxe5 Bxe5 20. Rxe5 Qf6 21. Rde1 Nxd3 22. Re8 Qxf2+ 0-1

[Event "NED-ch op-B"]
[Site "Borne"]
[Date "2019.08.10"]
[Round "7"]
[White "Terlouw, Wouter"]
[Black "Vijver, Jonathan"]
[Result "0-1"]
[ECO "A65"]
[WhiteElo "1159"]
[BlackElo "999"]
[PlyCount "98"]
[EventDate "2019.08.05"]
[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 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f3 Bg7 8. Bg5 0-0 9. Bb5 Bd7 10. Bf4 Qe7 11. Qa4 Kh8 12. Bxd7 Nbxd7 13. Nb5 Ne8 14. Nc3 Nb6 15. Qb5 Nc7 16. Qb3 Kg8 17. Nge2 f5 18. Bg3 fxe4 19. Nxe4 Rad8 20. Rd1 Be5 21. 0-0 Kh8 22. Bxe5+ Qxe5 23. N2c3 c4 24. Qb4 Ncxd5 25. Nxd5 Nxd5 26. Qxb7 Ne3 27. Qxa7 Nxf1 28. Kxf1 Qxb2 29. Rxd6 Qc1+ 30. Kf2 Rxd6 31. Nxd6 Qd2+ 32. Kg3 Qxd6+ 33. Kh3 Qe6+ 34. Kg3 Qe1+ 35. Kh3 c3 36. Qd4+ Kg8 37. Qd5+ Rf7 38. Qd8+ Kg7 39. Qd4+ Kh6 40. Qc4 Rf6 41. Qd4 Qe6+ 42. Kh4 g5+ 43. Kg3 Qd6+ 44. Qxd6 Rxd6 45. a4 c2 46. h3 c1Q 47. a5 Qf4+ 48. Kf2 Rd2+ 49. Kf1 Qg3 0-1

[Event "NED-ch op-B"]
[Site "Borne"]
[Date "2019.08.10"]
[Round "8"]
[White "Vijver, Jonathan"]
[Black "Breider, Jayden"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "999"]
[BlackElo "347"]
[PlyCount "45"]
[EventDate "2019.08.05"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 b6 6. Bg5 Bb7 7. Bxf6 exf6 8. Bb5+ Ke7 9. Nf5+ Ke6 10. Bc4+ d5 11. exd5+ Kxf5 12. Qf3+ Ke5 13. Qe4+ Kd6 14. Nb5+ Kd7 15. Qg4+ Ke8 16. 0-0 Bc8 17. Rfe1+ Be7 18. Qf4 Na6 19. d6 Bd7 20. Rxe7+ Kf8 21. Rxf7+ Kg8 22. Rxf6+ Be6 23. Bxe6# 1-0

[Event "NED-ch op-B"]
[Site "Borne"]
[Date "2019.08.09"]
[Round "5"]
[White "Rudolph, Simon"]
[Black "Vijver, Jonathan"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "464"]
[BlackElo "999"]
[PlyCount "48"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Nf3 d5 5. cxd5 Nxd5 6. Bg2 Nxc3 7. bxc3 g6 8. 0-0 Bg7 9. d4 cxd4 10. cxd4 Nxd4 11. Nxd4 Bxd4 12. e3 Bxa1 13. Qxd8+ Kxd8 14. Rd1+ Ke8 15. e4 Bg4 16. f3 Be6 17. Ba3 Bg7 18. Rc1 Rc8 19. Rb1 Rc3 20. Bb4 Rc2 21. Bc5 Rxc5 22. Rxb7 Rc8 23. Rxa7 Bd4+ 24. Kf1 Bxa7 0-1

[Event "NED-ch op-B"]
[Site "Borne"]
[Date "2019.08.09"]
[Round "3"]
[White "Thijssen, Freek"]
[Black "Vijver, Jonathan"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "702"]
[BlackElo "999"]
[PlyCount "186"]
[EventDate "2019.08.05"]
[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 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Nxe4 d5 6. Bd3 dxe4 7. Bxe4 Bd7 8. 0-0 Bc5 9. Re1 0-0 10. Bxc6 Bxc6 11. Nxe5 Qd5 12. Nxc6 Qxc6 13. d4 Bb6 14. c3 Rfe8 15. Bf4 Rxe1+ 16. Qxe1 Re8 17. Qd2 Qe4 18. a4 h6 19. f3 Qe2 20. a5 g5 21. Qxe2 Rxe2 22. Bc1 Bxa5 23. Rxa5 Re1+ 24. Kf2 Rxc1 25. Rxa7 Rc2+ 26. Kg3 Rxb2 27. Ra8+ Kg7 28. Rc8 c6 29. Rc7 Kg6 30. Rd7 Rb3 31. c4 Rb4 32. c5 f5 33. h3 f4+ 34. Kf2 Rb2+ 35. Kg1 Kh5 36. Rd6 Rb1+ 37. Kf2 Rb2+ 38. Kg1 Rb3 39. g4+ fxg3 40. Kg2 Rb4 41. Kxg3 Rc4 42. Rd7 Rb4 43. Rd6 Rb1 44. Kg2 Rb2+ 45. Kg3 Rb5 46. Re6 Ra5 47. Re7 Ra7 48. Rd7 Kg6 49. Rd6+ Kg7 50. Rd7+ Kf8 51. Rd6 Kg7 52. h4 gxh4+ 53. Kxh4 Ra3 54. f4 Rf3 55. Kg4 Rd3 56. Rd7+ Kf8 57. Kh5 Rh3+ 58. Kg4 Rh1 59. Kf5 Rd1 60. Kf6 Ke8 61. Ke6 Re1+ 62. Kd6 Rg1 63. Ke6 Rg6+ 64. Ke5 Kxd7 65. f5 Rg5 66. d5 cxd5 67. Kxd5 Rxf5+ 68. Kc4 h5 69. Kb5 h4 70. Ka5 h3 71. Kb6 h2 72. Kxb7 h1Q+ 73. c6+ Ke7 74. Kc7 Qxc6+ 75. Kxc6 Re5 76. Kb6 Kd6 77. Kb7 Rc5 78. Kb6 Rh5 79. Kb7 Rh8 80. Kb6 Rb8+ 81. Ka7 Kc7 82. Ka6 Rb7 83. Ka5 Rb6 84. Ka4 Kc6 85. Ka5 Kc5 86. Ka4 Rb5 87. Ka3 Rb4 88. Ka2 Kc4 89. Ka3 Kc3 90. Ka2 Rb3 91. Ka1 Kc2 92. Ka2 Rh3 93. Ka1 Ra3# 0-1

[Event "NED-ch op-B"]
[Site "Borne"]
[Date "2019.08.09"]
[Round "6"]
[White "Vijver, Jonathan"]
[Black "Gang, Kevin"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "999"]
[BlackElo "827"]
[PlyCount "119"]
[EventDate "2019.08.05"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 Nf6 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 0-0 9. 0-0 Re8 10. Ng5 Rf8 11. e5 d5 12. Bb5 Ng4 13. Ngf3 Nh6 14. Rc1 Bg4 15. Bxc6 bxc6 16. Rxc6 Nf5 17. Qb3 Rb8 18. Qa3 Nh4 19. Nxh4 Qxh4 20. h3 Qg5 21. f4 Qf5 22. hxg4 Qxg4 23. Qf3 Qd7 24. Rc2 Rfe8 25. Nb3 Qf5 26. Rxc7 a6 27. Qxd5 Rbd8 28. Qf3 Rb8 29. d5 Rbd8 30. Nd4 Qg6 31. Rc6 f6 32. d6 fxe5 33. d7 e4 34. dxe8Q+ Qxe8 35. Qb3+ Kh8 36. Re6 Qd7 37. Rxe4 Qa7 38. Qe3 h6 39. Re8+ Rxe8 40. Qxe8+ Kh7 41. Qe4+ Kh8 42. Rc1 g6 43. Rc8+ Kh7 44. Qe5 g5 45. Rc7+ Qxc7 46. Qxc7+ Kg6 47. f5+ Kh5 48. Qf7+ Kg4 49. Qc4 Kg3 50. Qd3+ Kf4 51. g3+ Ke5 52. Nf3+ Kf6 53. Qd6+ Kxf5 54. Qe5+ Kg6 55. g4 h5 56. Qe6+ Kg7 57. gxh5 g4 58. Qg6+ Kh8 59. h6 gxf3 60. Qg7# 1-0

[Event "NED-ch op-B"]
[Site "Borne"]
[Date "2019.08.09"]
[Round "4"]
[White "Vijver, Jonathan"]
[Black "Luzac, Tijmen"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "999"]
[BlackElo "516"]
[PlyCount "79"]
[EventDate "2019.08.05"]
[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 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Nf6 6. Bb5 Bd6 7. Qxd6 Qb6 8. Bxc6 Ng4 9. Qd2 bxc6 10. h3 Nf6 11. Nxe5 Nxe4 12. Qe2 Qa5+ 13. Nd2 Qxe5 14. Qxe4 Qxe4+ 15. Nxe4 0-0 16. 0-0 Ba6 17. Rd1 d5 18. Nc5 Be2 19. Rd2 Bh5 20. Nd3 Rae8 21. b3 c5 22. Ba3 Rd8 23. g4 Bg6 24. Bxc5 Rfe8 25. Nf4 Be4 26. Bxa7 Re7 27. Bc5 Red7 28. c3 Rc8 29. Re1 Rxc5 30. Rxe4 h6 31. Red4 Rxc3 32. Rxd5 Rc1+ 33. Kg2 Re7 34. Rd1 Rc2 35. R5d2 Re2 36. Rxe2 Rxe2 37. Nxe2 g5 38. a4 f6 39. a5 Kg7 40. a6 1-0

[Event "NED-ch op-B"]
[Site "Borne"]
[Date "2019.08.08"]
[Round "1"]
[White "Meijboom, Simon"]
[Black "Vijver, Jonathan"]
[Result "0-1"]
[ECO "C48"]
[WhiteElo "420"]
[BlackElo "999"]
[PlyCount "112"]
[EventDate "2019.08.05"]
[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 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 d6 5. Bxc6+ bxc6 6. d4 exd4 7. Nxd4 d5 8. exd5 cxd5 9. Qe2+ Be7 10. Nc6 Qd6 11. Nxe7 Qxe7 12. Qxe7+ Kxe7 13. Be3 Rd8 14. Bc5+ Kd7 15. 0-0 Kc6 16. Bd4 Rd6 17. Be5 Re6 18. Bxf6 Rxf6 19. Na4 Ba6 20. Rfe1 Kd6 21. h3 Bb5 22. Nc3 Bc6 23. Ne2 Re8 24. Ng3 Rb8 25. Nh5 Rg6 26. g4 Re6 27. Rxe6+ fxe6 28. Nxg7 Rxb2 29. c3 Rc2 30. Nh5 Rxc3 31. Ng3 Bb5 32. Kh2 Rc2 33. Kg1 Be2 34. Nxe2 Rxe2 35. Kf1 Re5 36. f4 Re4 37. f5 exf5 38. gxf5 Rf4+ 39. Kg2 Rxf5 40. a4 c5 41. Kg3 d4 42. Rc1 Kc6 43. Kg4 Rd5 44. Rb1 d3 45. Rb8 d2 46. Rc8+ Kd7 47. Ra8 d1Q+ 48. Kf4 Qd4+ 49. Kf3 Rf5+ 50. Ke2 Qe4+ 51. Kd2 Rf2+ 52. Kc3 Rf3+ 53. Kd2 Qd3+ 54. Kc1 Qf1+ 55. Kd2 Qg2+ 56. Ke1 Rf1# 0-1

[Event "NED-ch op-B"]
[Site "Borne"]
[Date "2019.08.08"]
[Round "2"]
[White "Vijver, Jonathan"]
[Black "Feenstra, Bram"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "999"]
[BlackElo "485"]
[PlyCount "69"]
[EventDate "2019.08.05"]
[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 d5 2. exd5 Nf6 3. c4 e6 4. Nc3 exd5 5. cxd5 Bb4 6. Qe2+ Be7 7. Nf3 0-0 8. a3 Re8 9. Qd1 Bg4 10. Be2 Bxf3 11. Bxf3 h6 12. 0-0 g5 13. d6 Nc6 14. dxe7 Rxe7 15. Bxc6 bxc6 16. Re1 Rxe1+ 17. Qxe1 Qd6 18. Ne4 Re8 19. Nxf6+ Kg7 20. Nxe8+ Kg6 21. Nxd6 cxd6 22. Qe4+ f5 23. Qxc6 Kh5 24. h3 g4 25. hxg4+ fxg4 26. Qxd6 Kg5 27. d4+ Kf5 28. Qe5+ Kg6 29. Qe6+ Kg7 30. Bxh6+ Kh7 31. Qxg4 Kxh6 32. Re1 Kh7 33. Re7+ Kh6 34. Qf5 a5 35. Rh7# 1-0

[Event "NED-ch op-A"]
[Site "Borne"]
[Date "2019.08.07"]
[Round "8"]
[White "Luzac, Tijmen"]
[Black "Vijver, Jonathan"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "516"]
[BlackElo "999"]
[PlyCount "138"]
[EventDate "2019.08.05"]
[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 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Nxe4 5. Nxe4 d5 6. Bd3 dxe4 7. Bxe4 Bd7 8. d3 Bc5 9. Be3 Bb6 10. Bxb6 axb6 11. 0-0 0-0 12. h3 Qc8 13. Ng5 h6 14. Nf3 Ne7 15. Nh4 f5 16. Bf3 f4 17. Bh5 Be8 18. Bg4 Qd8 19. Be6+ Bf7 20. Qg4 Bxe6 21. Qxe6+ Rf7 22. Rae1 Qd6 23. Rxe5 Qxe6 24. Rxe6 Rxa2 25. Rb1 g5 26. Ng6 Nxg6 27. Rxg6+ Kh7 28. Re6 Ra5 29. b4 Raf5 30. f3 R5f6 31. Re4 Kg6 32. c4 Kf5 33. c5 bxc5 34. bxc5 c6 35. Reb4 Rd7 36. R1b3 Rff7 37. d4 h5 38. g4+ fxg3 39. Kg2 h4 40. Kg1 Rfe7 41. Rb1 Rh7 42. R1b3 Rhe7 43. Rb1 Kf4 44. Kg2 Re2+ 45. Kg1 Kxf3 46. R1b3+ Re3 47. Rxe3+ Kxe3 48. Kg2 Rxd4 49. Rb3+ Rd3 50. Rxb7 Rd5 51. Re7+ Kd4 52. Re2 Rxc5 53. Rd2+ Kc3 54. Rd1 Kb2 55. Rd2+ Rc2 56. Rxc2+ Kxc2 57. Kf3 Kd3 58. Kg2 c5 59. Kf3 c4 60. Kg2 c3 61. Kf3 c2 62. Kg2 c1Q 63. Kf3 Qe3+ 64. Kg4 Qf4+ 65. Kh5 g2 66. Kg6 g1Q 67. Kh6 Qb6+ 68. Kg7 Qfc7+ 69. Kf8 Qbb8# 0-1

[Event "NED-ch op-A"]
[Site "Borne"]
[Date "2019.08.07"]
[Round "7"]
[White "Vijver, Jonathan"]
[Black "Feenstra, Bram"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "999"]
[BlackElo "485"]
[PlyCount "33"]
[EventDate "2019.08.05"]
[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 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Bc4 Nxc3 5. bxc3 Be6 6. Bxe6 fxe6 7. Nf3 Nc6 8. 0-0 g6 9. Ng5 Qd7 10. Qe2 Bg7 11. Nxe6 Bf6 12. d4 b5 13. Bf4 b4 14. Nxc7+ Kd8 15. Nxa8 bxc3 16. Bc7+ Kc8 17. Qa6# 1-0

[Event "NED-ch op-A"]
[Site "Borne"]
[Date "2019.08.07"]
[Round "9"]
[White "Vijver, Jonathan"]
[Black "Hesse, Frederik"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "999"]
[BlackElo "858"]
[PlyCount "79"]
[EventDate "2019.08.05"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 h6 5. Nxd4 Nf6 6. Nxc6 bxc6 7. Nc3 Bb4 8. Bd2 0-0 9. 0-0 Bxc3 10. Bxc3 Nxe4 11. Qd4 Nxc3 12. Qxc3 d5 13. Bd3 Bd7 14. Rfe1 Re8 15. Qd2 Qf6 16. b3 Rxe1+ 17. Rxe1 Bf5 18. Bxf5 Qxf5 19. Qc3 Qf6 20. Qxf6 gxf6 21. Re7 Rc8 22. Re3 Rd8 23. Kf1 Kf8 24. f4 Rd6 25. Kf2 Kg7 26. g3 Re6 27. Rc3 d4 28. Rd3 c5 29. c3 Rd6 30. Ke2 Re6+ 31. Kd2 Re4 32. cxd4 cxd4 33. Rf3 Re6 34. Rf2 c5 35. Rf1 Re7 36. Rc1 Rc7 37. b4 c4 38. a3 Kg6 39. h3 h5 40. a4 1/2-1/2

[Event "NED-ch op-A"]
[Site "Borne"]
[Date "2019.08.06"]
[Round "6"]
[White "Allaart, Jibbe"]
[Black "Vijver, Jonathan"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "466"]
[BlackElo "999"]
[PlyCount "36"]
[EventDate "2019.08.05"]
[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 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Nxe4 5. Nxe4 d5 6. Bxd5 Qxd5 7. Nc3 Qd8 8. 0-0 Be7 9. d3 Bg4 10. h3 Bh5 11. g4 Bg6 12. Be3 h5 13. Nb5 hxg4 14. hxg4 a6 15. Nc3 Qd7 16. Nd2 Nb4 17. Nc4 Qc6 18. Nxe5 Qh1# 0-1

[Event "NED-ch op-A"]
[Site "Borne"]
[Date "2019.08.06"]
[Round "4"]
[White "Breider, Jayden"]
[Black "Vijver, Jonathan"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "347"]
[BlackElo "999"]
[PlyCount "114"]
[EventDate "2019.08.05"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 d6 6. Ng5 Ne5 7. Bb3 h6 8. Nf3 Bg4 9. Bf4 Nxf3+ 10. gxf3 Bh3 11. Re1 Be7 12. Qxd4 Nh5 13. e5 Nxf4 14. Qxf4 d5 15. Rd1 c6 16. c4 Be6 17. cxd5 Bxd5 18. Bxd5 cxd5 19. Nc3 Bg5 20. Qd4 0-0 21. Qxd5 Qxd5 22. Rxd5 Rad8 23. Rad1 Rxd5 24. Nxd5 Rd8 25. Kg2 Kf8 26. Kg3 f5 27. exf6 Bxf6 28. Kf4 Bxb2 29. Rb1 g5+ 30. Kg4 Rxd5 31. Rxb2 b6 32. Re2 Rd7 33. Re4 Kg7 34. f4 gxf4 35. Rxf4 Rd2 36. Rc4 Rxa2 37. Rc7+ Kf8 38. Kh5 Rxf2 39. Kxh6 Rxh2+ 40. Kg6 Rg2+ 41. Kf6 Rf2+ 42. Ke6 Ra2 43. Kf6 Ke8 44. Ke6 Kd8 45. Rh7 a5 46. Kd6 Rd2+ 47. Kc6 Rb2 48. Kd6 Ke8 49. Ke6 Kf8 50. Kf6 Kg8 51. Ra7 Rc2 52. Kg6 Rc6+ 53. Kf5 Rc1 54. Ra8+ Kh7 55. Kg5 Rg1+ 56. Kf5 Rg8 57. Ra7+ Rg7 0-1

[Event "NED-ch op-A"]
[Site "Borne"]
[Date "2019.08.06"]
[Round "3"]
[White "Vijver, Jonathan"]
[Black "Jorritsma, Eli Alia"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "999"]
[BlackElo "574"]
[PlyCount "45"]
[EventDate "2019.08.05"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. Nc3 Bf5 5. Bf4 Nd7 6. Nxd5 e6 7. Nc7+ Ke7 8. Nxa8 Qxa8 9. Nf3 Ngf6 10. Bb5 Ke8 11. Ne5 Qd8 12. Bxd7+ Nxd7 13. Nxd7 Qxd7 14. 0-0 Qe7 15. c3 Qf6 16. Bg3 Qg5 17. Qa4+ Ke7 18. d5 exd5 19. Bh4 Bd7 20. Bxg5+ Ke8 21. Rfe1+ Be7 22. Rxe7+ Kd8 23. Qxd7# 1-0

[Event "NED-ch op-A"]
[Site "Borne"]
[Date "2019.08.06"]
[Round "5"]
[White "Vijver, Jonathan"]
[Black "Kurt, Sascha"]
[Result "1/2-1/2"]
[ECO "C56"]
[WhiteElo "999"]
[BlackElo "984"]
[PlyCount "77"]
[EventDate "2019.08.05"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 Bxc6 9. Nxc6 bxc6 10. 0-0 h5 11. Nd2 Qe7 12. Nxe4 dxe4 13. f4 h4 14. Re1 Rd8 15. Qe2 Qd7 16. Qxe4 Bc5+ 17. Be3 Bxe3+ 18. Qxe3 Qd2 19. Qe4 Rd5 20. e6 Qd4+ 21. Qxd4 Rxd4 22. exf7+ Kxf7 23. Rad1 Rhd8 24. Rxd4 Rxd4 25. Re2 Rxf4 26. Rf2 Rxf2 27. Kxf2 Kf6 28. Kf3 Kf5 29. g4+ hxg3 30. hxg3 c5 31. g4+ Ke5 32. b3 g5 33. c3 c6 34. Ke3 a6 35. c4 a5 36. a4 Kf6 37. Ke4 Ke6 38. Kd3 Ke5 39. Ke3 1/2-1/2

[Event "NED-ch op-A"]
[Site "Borne"]
[Date "2019.08.05"]
[Round "2"]
[White "Deij, Casper"]
[Black "Vijver, Jonathan"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "538"]
[BlackElo "999"]
[PlyCount "68"]
[EventDate "2019.08.05"]
[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 e5 2. Bc4 Nf6 3. Nc3 Nc6 4. Nf3 Nxe4 5. Nxe4 d5 6. Bxd5 Qxd5 7. Nc3 Qd8 8. 0-0 Bc5 9. d3 Bg4 10. Bg5 Be7 11. Bxe7 Qxe7 12. Re1 Nd4 13. Re3 Nxf3+ 14. gxf3 Bh3 15. f4 0-0 16. Rxh3 Qd7 17. Qh5 h6 18. Qxe5 Qxh3 19. Qxc7 Qg4+ 20. Kf1 Qf3 21. Re1 Qh1+ 22. Ke2 Rfe8+ 23. Ne4 Qxh2 24. Kf3 Qh5+ 25. Kg3 Re6 26. Kg2 Rae8 27. Qxb7 f5 28. Qd5 Kh8 29. Rh1 Qf7 30. Nd6 Rg6+ 31. Kf1 Qxd5 32. Nxe8 Qxh1+ 33. Ke2 Re6+ 34. Kd2 Qe1# 0-1

[Event "NED-ch op-A"]
[Site "Borne"]
[Date "2019.08.05"]
[Round "1"]
[White "Vijver, Jonathan"]
[Black "Londers, Tuur"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "999"]
[BlackElo "500"]
[PlyCount "91"]
[EventDate "2019.08.05"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 Ne4 6. Nxd4 Nxe5 7. Qe2 d5 8. Bd3 Bc5 9. Be3 Bg4 10. f3 Bf5 11. Nxf5 d4 12. Bxe4 dxe3 13. Qb5+ Nd7 14. Qc4 Qg5 15. Qc3 Qxg2 16. Nxg7+ Kf8 17. Ne6+ Kg8 18. Qg7+ Qxg7 19. Nxg7 Kxg7 20. Rg1+ Kf6 21. Nc3 Bb4 22. Bxb7 Bxc3+ 23. bxc3 Rab8 24. 0-0-0 Nc5 25. Be4 Nxe4 26. fxe4 Ke5 27. Rd7 Kxe4 28. Rxf7 Rbe8 29. Kd1 Kd5 30. Ke2 Kc4 31. Rxc7+ Kd5 32. Rxa7 Rhf8 33. Rf1 Rg8 34. Rxh7 Rg2+ 35. Ke1 e2 36. Rh1 Rc8 37. Rh3 Ra8 38. Rg3 Rxg3 39. hxg3 Rxa2 40. Kxe2 Rxc2+ 41. Kd3 Rg2 42. Rh3 Ke5 43. c4 Kf5 44. Kd4 Kg4 45. Rh8 Rxg3 46. Rg8+ 1-0

