[Event "Dieren op"]
[Site "Dieren"]
[Date "2023.08.03"]
[Round "9"]
[White "Van Kuijk, Vadim"]
[Black "Vos, Tjark"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "1997"]
[BlackElo "2178"]
[PlyCount "92"]
[EventDate "2023.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 d6 8. Nxc6 bxc6 9. Bc4 Nf6 10. Qg3 Qa5 11. 0-0-0 Rb8 12. f4 Qb4 13. Bb3 Nxe4 14. Nxe4 Qxe4 15. Rhe1 Qb4 16. f5 e5 17. Bf4 f6 18. Qf3 Kd8 19. Re4 Qb7 20. Be3 Bd7 21. Bd2 d5 22. Ba5+ Kc8 23. Qh5 g6 24. fxg6 dxe4 25. g7 Bxg7 26. Qf7 Bh6+ 27. Kb1 Rf8 28. Qe7 e3 29. Rxd7 Qxd7 30. Be6 Rb7 31. Bxd7+ Rxd7 32. Qe6 Rff7 33. Qxc6+ Kb8 34. Qb6+ Rb7 35. Qd6+ Ka7 36. c4 Rfd7 37. Qxf6 Rd2 38. Bxd2 exd2 39. Qd6 Rf7 40. Qd3 e4 41. Qd4+ Kb8 42. Qb6+ Kc8 43. Qxa6+ Kc7 44. Qa5+ Kc8 45. Qa6+ Kc7 46. Qa5+ Kc8 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2023.08.02"]
[Round "8"]
[White "Vos, Tjark"]
[Black "Maatman, Nick"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2178"]
[BlackElo "2362"]
[PlyCount "172"]
[EventDate "2023.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[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. Qc2 Re8+ 9. Ne2 h5 10. 0-0 h4 11. h3 Nd7 12. Be3 Nf8 13. Rad1 Bd7 14. c4 Rc8 15. Qd2 Ng6 16. f4 f5 17. Rf3 Qf6 18. Nc3 Rcd8 19. Qf2 b6 20. a3 Bf8 21. b4 a5 22. Rb1 axb4 23. axb4 Ra8 24. b5 Ra3 25. Qd2 Rxe3 26. Rxe3 Qxd4 27. Ne2 Qd6 28. Rf3 cxb5 29. cxb5 Be6 30. Nc1 Ra4 31. Ne2 Ra3 32. Nc1 Ra4 33. Ne2 Bd5 34. Rff1 Bc4 35. Rfd1 Ra2 36. Qc3 Bxd3 37. Rxd3 Qb8 38. Rd2 Bc5+ 39. Kh1 Ra3 40. Qc4 Qe8 41. Rbd1 Nf8 42. Rd8 Qe4 43. Qxe4 fxe4 44. f5 e3 45. R8d3 Ra4 46. Re1 Rb4 47. Nc3 Rb3 48. Rexe3 Bxe3 49. Rxe3 f6 50. Kg1 Nd7 51. g3 hxg3 52. Kg2 Nc5 53. Rxg3 Kf7 54. Rf3 Rb4 55. Re3 Rb2+ 56. Re2 Rb3 57. Rc2 Nd3 58. Kf1 Kg8 59. Ke2 Nf4+ 60. Ke3 Nd5+ 61. Kd4 Nxc3 62. Rxc3 Rxb5 63. Ke4 Kh7 64. Rc8 Kh6 65. Rg8 Rb4+ 66. Kd5 Kg5 67. Ke6 Re4+ 68. Kf7 Kxf5 69. Rxg7 b5 70. Rh7 Ke5 71. Rh8 b4 72. h4 Rc4 73. h5 Kf5 74. Rb8 Rc7+ 75. Ke8 Kg5 76. Rxb4 Kxh5 77. Rb1 f5 78. Rh1+ Kg5 79. Rg1+ Kf6 80. Rf1 Re7+ 81. Kd8 Re2 82. Kd7 Ke5 83. Ke7 f4 84. Kf7 Ke4 85. Kf6 f3 86. Kg5 Rg2+ 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2023.08.01"]
[Round "7"]
[White "Koster, Chiel"]
[Black "Vos, Tjark"]
[Result "0-1"]
[ECO "C27"]
[WhiteElo "2052"]
[BlackElo "2178"]
[PlyCount "104"]
[EventDate "2023.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nc3 d5 5. Bb3 Bb4 6. Bd2 0-0 7. Nf3 Re8 8. h3 Na6 9. exd5 cxd5 10. a3 Bxc3 11. bxc3 h6 12. 0-0 Bf5 13. Re1 Qc7 14. d4 e4 15. Ne5 Nc5 16. Ba2 Ncd7 17. Nxd7 Bxd7 18. Rb1 b5 19. Re3 Kh7 20. Qe2 Rac8 21. Kh1 Re6 22. g4 Ra6 23. g5 hxg5 24. Rg3 e3 25. Rxe3 Rxa3 26. Bb3 Ra6 27. Re5 Ne4 28. Bxg5 Nxg5 29. Rxg5 Rh6 30. Qd3+ g6 31. Rg3 Qd6 32. Qf3 Be6 33. Qf6 a5 34. Re1 a4 35. Ba2 Rc6 36. Re5 b4 37. cxb4 Rxc2 38. Bb1 Rc1+ 39. Rg1 Rxg1+ 40. Kxg1 Qxb4 41. Bc2 Qb7 42. Re3 Qc8 43. Bxa4 g5 44. Qe7 Kg7 45. Be8 g4 46. h4 Rf6 47. Bb5 Qc2 48. Be2 Qf5 49. f3 Qf4 50. Qa3 Qg3+ 51. Kf1 gxf3 52. Bxf3 Bg4 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2023.07.31"]
[Round "6"]
[White "Vos, Tjark"]
[Black "Van Foreest, Machteld"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2178"]
[BlackElo "2291"]
[PlyCount "118"]
[EventDate "2023.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. 0-0 e6 5. c4 c6 6. d4 h6 7. Nc3 Nbd7 8. Nd2 Be7 9. e4 dxe4 10. Ndxe4 0-0 11. Bf4 Qb6 12. c5 Qa5 13. b4 Qxb4 14. Rb1 Qc4 15. Rxb7 Rfd8 16. Qb3 Qxb3 17. axb3 Nd5 18. Nxd5 exd5 19. Nd6 Be6 20. Ra1 Bf6 21. Ra4 Rdb8 22. Kf1 a6 23. Ke2 g5 24. Be3 Rxb7 25. Nxb7 Rb8 26. Na5 Rc8 27. Kd2 Nb8 28. Bf1 Kf8 29. Kc3 Rc7 30. Rb4 Rc8 31. Kd2 Bd8 32. Nb7 Bc7 33. Ra4 f5 34. Kc3 f4 35. Bd2 fxg3 36. hxg3 Ke7 37. Bxa6 Rf8 38. Bd3 Rxf2 39. Ra8 Bxg3 40. Nd6 Rf8 41. Kc2 Nd7 42. Ra6 Rf2 43. Kc3 Bxd6 44. cxd6+ Kxd6 45. b4 Bf5 46. Bxf5 Rxf5 47. Kd3 Rf3+ 48. Kc2 Nb8 49. Ra7 Rh3 50. Rh7 Rh4 51. Be1 Rh2+ 52. Kd3 Rh3+ 53. Ke2 Nd7 54. Bd2 Rh4 55. Be1 Rh3 56. Bd2 Nf6 57. Rh8 Ne4 58. Be3 h5 59. Rg8 Rg3 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2023.07.29"]
[Round "5"]
[White "Pham, Khoi"]
[Black "Vos, Tjark"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2361"]
[BlackElo "2178"]
[PlyCount "105"]
[EventDate "2023.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Bd5 11. Qc2 Be4 12. Qc1 a5 13. Bxf6 Bxf6 14. Nc3 Bxf3 15. Bxf3 c6 16. e3 Na6 17. Rd1 Nb4 18. h4 Rc8 19. Ne4 Be7 20. Qc4 h6 21. Nc3 Qb6 22. Kg2 Rfd8 23. Rac1 Bf6 24. Ne4 Be7 25. Nc5 Nd5 26. e4 Nc7 27. Rc2 Bxc5 28. Qxc5 Qxc5 29. Rxc5 Ra8 30. Be2 Rd6 31. Kf3 Kf8 32. Ke3 Ke7 33. f4 f5 34. exf5 Nd5+ 35. Kf3 exf5 36. Bd3 Kf6 37. Re1 h5 38. Re5 g6 39. Bc4 Nc7 40. d5 Ra7 41. Bb3 Na6 42. Rc1 Nb4 43. dxc6 Nxc6 44. Rd5 Rxd5 45. Bxd5 Ra6 46. Bxc6 bxc6 47. Ke3 Ke6 48. Kd4 Kd6 49. Re1 Rb6 50. Kc3 Rb4 51. b3 c5 52. Re8 Re4 53. Rd8+ 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2023.07.28"]
[Round "4"]
[White "Vos, Tjark"]
[Black "Noordenbos, Daan"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2178"]
[BlackElo "2077"]
[PlyCount "62"]
[EventDate "2023.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 0-0 8. Bd3 f5 9. exf6 Rxf6 10. Bg5 Rf7 11. Qh5 g6 12. Qd1 Qa5 13. Bd2 Nbc6 14. Nf3 Qc7 15. 0-0 e5 16. Nxe5 Nxe5 17. dxe5 Qxe5 18. c4 Bf5 19. cxd5 Bxd3 20. cxd3 Qxd5 21. Bc3 Rd8 22. Qa4 Nc6 23. Rad1 b6 24. Rfe1 Nd4 25. Bxd4 Qxd4 26. Qc2 Rfd7 27. g3 c4 28. dxc4 Qxd1 29. Rxd1 Rxd1+ 30. Kg2 R1d2 31. Qe4 Rf8 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2023.07.27"]
[Round "3"]
[White "Boesel, Alexander"]
[Black "Vos, Tjark"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2002"]
[BlackElo "2178"]
[PlyCount "102"]
[EventDate "2023.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 a6 5. Bd3 Ngf6 6. Re1 e6 7. c3 b5 8. a4 Bb7 9. axb5 axb5 10. Rxa8 Qxa8 11. Bxb5 Bxe4 12. d3 Bxf3 13. Qxf3 Qxf3 14. gxf3 Be7 15. f4 g6 16. d4 cxd4 17. cxd4 d5 18. Re2 Bd6 19. Rc2 Ke7 20. Kg2 Rb8 21. Bd3 Rb4 22. Be3 Bxf4 23. Nc3 Bxe3 24. fxe3 Ne8 25. Kf3 Nd6 26. Na2 Rb3 27. Nc1 Rb7 28. Ba6 Rb4 29. Bd3 e5 30. dxe5 Nxe5+ 31. Kf2 h5 32. h3 Ke6 33. Re2 g5 34. Bb1 f5 35. Nd3 Nxd3+ 36. Bxd3 Ke5 37. Kf3 Rb3 38. Rd2 Ke6 39. Kf2 Kf6 40. Bb1 Nc4 41. Re2 Rxb2 42. Rxb2 Nxb2 43. Kg3 h4+ 44. Kf3 Ke5 45. Bc2 Nc4 46. Ba4 Nd2+ 47. Ke2 Ne4 48. Kf3 Nf6 49. Bc2 g4+ 50. hxg4 fxg4+ 51. Kg2 Ke6 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2023.07.26"]
[Round "2"]
[White "Bakija, Alan"]
[Black "Vos, Tjark"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2089"]
[BlackElo "2178"]
[PlyCount "100"]
[EventDate "2023.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. 0-0 0-0 6. b3 c5 7. cxd5 Nxd5 8. Bb2 Nc6 9. Nc3 Nc7 10. Na4 Bd7 11. Rc1 Na6 12. d4 cxd4 13. Nxd4 Na5 14. Nc3 Bg5 15. e3 Be7 16. Qe2 Qb6 17. Rfd1 Rfd8 18. Qg4 Rac8 19. Na4 Rxc1 20. Nxb6 Rxd1+ 21. Qxd1 axb6 22. Qe2 Nc7 23. Be4 Ne8 24. Qf3 Nd6 25. Bd3 Nc6 26. Nxc6 Bxc6 27. Qg4 g6 28. Qd4 f6 29. Qc3 Ne4 30. Qc2 Ng5 31. h4 Nf3+ 32. Kf1 e5 33. Bc3 Kg7 34. a4 Nh2+ 35. Ke2 Bf3+ 36. Ke1 Bg4 37. Be4 Rd7 38. Bg2 Kf7 39. Bh1 Nf3+ 40. Kf1 e4 41. Bg2 Rd3 42. Bh1 Ke6 43. Bg2 Bd6 44. Bh1 f5 45. Bg2 Bc5 46. Bh1 Bd6 47. Bg2 h6 48. Bh1 g5 49. hxg5 hxg5 50. Bg2 Be7 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2023.07.25"]
[Round "1"]
[White "Vos, Tjark"]
[Black "Kurt, Sascha"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2178"]
[BlackElo "1986"]
[PlyCount "48"]
[EventDate "2023.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. Bg2 Be7 8. h3 Nc6 9. Be3 0-0 10. Qe2 Nxd4 11. Bxd4 e5 12. Be3 Be6 13. 0-0 Rc8 14. Qd2 a6 15. Rfd1 Qc7 16. a4 Rfd8 17. a5 Rd7 18. Na4 d5 19. Bb6 Qc6 20. exd5 Bxd5 21. Bxd5 Nxd5 22. Qe1 Nf4 23. Qf1 Rxd1 24. Rxd1 Qxa4 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2022.08.04"]
[Round "9"]
[White "Vos, Tjark"]
[Black "Vogel, Jaap"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2224"]
[BlackElo "2147"]
[PlyCount "69"]
[EventDate "2022.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 a6 10. Re1 Be7 11. Nxc6 Qxc6 12. b3 0-0 13. Bb2 b5 14. Bd3 Bb7 15. Qd2 Rad8 16. Qg5 h6 17. Qg3 Qd6 18. Ne5 Qc7 19. Kh1 Nh5 20. Qg4 Nf6 21. Qh3 Rd5 22. f4 Rc5 23. Re2 Nd5 24. Rf1 Nc3 25. Re3 b4 26. Rg3 Kh8 27. Ng4 h5 28. Ne5 Rxe5 29. fxe5 Qxe5 30. a3 a5 31. axb4 axb4 32. Bc1 Nd5 33. Rg5 Qxg5 34. Bxg5 Bxg5 35. Qxh5+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2022.08.03"]
[Round "8"]
[White "Albers, Sasa"]
[Black "Vos, Tjark"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2203"]
[BlackElo "2224"]
[PlyCount "68"]
[EventDate "2022.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be3 Nd7 5. Nc3 a6 6. Bc4 e6 7. a4 Ngf6 8. Qd2 0-0 9. Bh6 d5 10. Bxg7 Kxg7 11. exd5 Nb6 12. Bb3 exd5 13. 0-0 Be6 14. Rad1 Qd6 15. a5 Nbd7 16. Rfe1 Bg4 17. Re3 Rfe8 18. Rde1 Bxf3 19. gxf3 c6 20. Rxe8 Rxe8 21. Rxe8 Nxe8 22. Ne2 Qf6 23. Kg2 Nd6 24. Qf4 Nf5 25. c3 g5 26. Qg4 Nh4+ 27. Kg3 h6 28. f4 Qe7 29. fxg5 hxg5 30. Bc2 Kh6 31. Bd3 f5 32. Qh3 Nf6 33. f3 Qe3 34. b3 Qxf3# 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2022.08.02"]
[Round "7"]
[White "Labruyere, Roger"]
[Black "Vos, Tjark"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2070"]
[BlackElo "2224"]
[PlyCount "120"]
[EventDate "2022.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 g6 6. Nc3 Bg7 7. d4 cxd4 8. Nxd4 Nf6 9. f3 0-0 10. Be3 Nc6 11. Rc1 Rfc8 12. b3 Rab8 13. 0-0 a6 14. a4 Nxd4 15. Bxd4 Qd8 16. f4 Nd7 17. Bxg7 Kxg7 18. Kh1 Kg8 19. Rf3 Nf6 20. Rd3 Qa5 21. Qe2 Qh5 22. Qxh5 Nxh5 23. Nd5 Kf8 24. g4 Ng7 25. Nb6 Rc7 26. e5 Ne6 27. exd6 exd6 28. Rxd6 Nxf4 29. Rf1 g5 30. h4 Re8 31. hxg5 Ne6 32. Nd5 Rc6 33. Rd7 Nxg5 34. Nf6 Ree6 35. Nxh7+ Ke8 36. Nxg5 Rh6+ 37. Kg2 Kxd7 38. Rxf7+ Kc8 39. Ne4 Rb6 40. Rf3 Kd7 41. Kg3 Rh1 42. g5 Ke7 43. Nc3 Rg6 44. Kf4 Kf7 45. Ne4 Kg7 46. Rd3 Re6 47. Ng3 Rh4+ 48. Kf5 Re7 49. g6 Rh2 50. Rd6 Rf2+ 51. Kg4 Re5 52. Rb6 Kh6 53. g7+ Kxg7 54. Rxb7+ Kf8 55. b4 Re3 56. Nf5 Re4+ 57. Kg5 Re5 58. Rb8+ Kf7 59. Rb7+ Ke8 60. Rb8+ Kf7 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2022.08.01"]
[Round "6"]
[White "Vos, Tjark"]
[Black "Achuthan, Dylan"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2224"]
[BlackElo "1989"]
[PlyCount "86"]
[EventDate "2022.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 g6 7. N1c3 a6 8. Na3 Bg7 9. Be2 Nf6 10. 0-0 Be6 11. Be3 0-0 12. f3 Nh5 13. Nc2 Rc8 14. b3 Nf4 15. Nd5 Bxd5 16. cxd5 Nxe2+ 17. Qxe2 Nd4 18. Bxd4 exd4 19. Rad1 Qb6 20. Rd3 Rc3 21. Rfd1 Rfc8 22. Nxd4 Bxd4+ 23. Rxd4 Rc1 24. Kf2 R8c2 25. R1d2 Rxa2 26. Rxa2 Qxd4+ 27. Kg3 Qe5+ 28. Kh3 Qh5+ 29. Kg3 g5 30. Kf2 Qh4+ 31. g3 Qxh2+ 32. Ke3 Qxg3 33. Kd3 Re1 34. Qf2 Rd1+ 35. Ke2 Qxf2+ 36. Kxf2 Rb1 37. Rc2 Rxb3 38. Rc8+ Kg7 39. Rd8 Rb6 40. Ke3 Kf6 41. Rh8 a5 42. Rxh7 a4 43. e5+ Kxe5 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2022.07.30"]
[Round "5"]
[White "Shakhverdian, William"]
[Black "Vos, Tjark"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "2040"]
[BlackElo "2224"]
[PlyCount "150"]
[EventDate "2022.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Nf3 e5 7. d5 Nh5 8. g3 f5 9. exf5 gxf5 10. Nh4 Nf4 11. Be3 Nd7 12. Qd2 Nc5 13. 0-0-0 Bd7 14. Rg1 Ng6 15. Nxg6 hxg6 16. g4 b6 17. Be2 Qh4 18. gxf5 Bxf5 19. b4 Nd7 20. f3 a5 21. b5 Nc5 22. Kb2 e4 23. Bxc5 bxc5 24. fxe4 Qxe4 25. Bd3 Qh4 26. Qe1 Qxh3 27. Rg3 Qh4 28. Bxf5 Rxf5 29. Qe6+ Rf7 30. Rxg6 Kf8 31. Qg4 Qxg4 32. Rxg4 Rf3 33. Rxg7 Kxg7 34. Rg1+ Kf6 35. Re1 Rh8 36. b6 cxb6 37. Ne4+ Kg6 38. Rg1+ Kf5 39. Nxd6+ Ke5 40. Nb5 Rh2+ 41. Kb1 Rff2 42. a3 Rb2+ 43. Ka1 Rbc2 44. d6 Rxc4 45. Rd1 Rh8 46. d7 Rd4 47. Nxd4 cxd4 48. Re1+ Kd6 49. Re4 Kxd7 50. Rxd4+ Kc6 51. Kb2 Rh3 52. Rg4 Rd3 53. Rg6+ Kc5 54. Rg5+ Rd5 55. Rg2 Kc4 56. Rh2 Rd4 57. Rc2+ Kb5 58. Rh2 Ka4 59. Rg2 Rh4 60. Rf2 Rh3 61. Rf4+ Kb5 62. Rf5+ Kc6 63. Rf6+ Kb7 64. Rf7+ Ka6 65. Rf2 Rh5 66. Rg2 Kb5 67. Rf2 Rh4 68. Rg2 Ka4 69. Rf2 b5 70. Rg2 Rh3 71. Rg4+ b4 72. axb4 axb4 73. Rg2 Re3 74. Rh2 Rb3+ 75. Ka2 Ra3+ 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2022.07.29"]
[Round "4"]
[White "Vos, Tjark"]
[Black "Mingachev, Mansur"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2224"]
[BlackElo "2377"]
[PlyCount "60"]
[EventDate "2022.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 Na6 8. Qc2 Nc7 9. Ne2 h5 10. Bd2 Nd5 11. 0-0-0 Kf8 12. Kb1 g6 13. c4 Nb4 14. Bxb4 Bxb4 15. c5 Ba5 16. Qb3 Kg7 17. Bc4 Re8 18. Nc3 b5 19. cxb6 axb6 20. d5 b5 21. Bf1 Bxc3 22. Qxc3 Bf5+ 23. Ka1 Re5 24. d6 Be6 25. a3 Qb6 26. Kb1 Qxf2 27. Bd3 Qxg2 28. Bc2 Rd8 29. h4 Rxd6 30. Rdg1 Qd5 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2022.07.28"]
[Round "3"]
[White "Vos, Tjark"]
[Black "Saketh, Pedagandham"]
[Result "1-0"]
[ECO "C89"]
[WhiteElo "2224"]
[BlackElo "1928"]
[PlyCount "91"]
[EventDate "2022.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 0-0 8. c3 d5 9. Nbd2 Bg4 10. h3 Bh5 11. Re1 dxe4 12. dxe4 Re8 13. Qe2 Bf8 14. Nf1 Na5 15. Bc2 c5 16. Ng3 Bg6 17. Nh4 Nc6 18. Qf3 Qc7 19. Nhf5 Rad8 20. Bg5 Re6 21. Rad1 Ne7 22. h4 c4 23. Rxd8 Qxd8 24. h5 Bxf5 25. exf5 Rd6 26. Rxe5 h6 27. Bxf6 gxf6 28. Re2 Rd2 29. Ne4 Rxe2 30. Qxe2 Nc6 31. b3 Ne5 32. Qe3 Kh8 33. Qa7 Qa5 34. f4 Qxa2 35. fxe5 Qxc2 36. Qxf7 Qxe4 37. Qxf8+ Kh7 38. Qf7+ Kh8 39. Qxf6+ Kg8 40. Qg6+ Kf8 41. Qxh6+ Ke8 42. Qg6+ Kd8 43. Qb6+ Ke8 44. Qb8+ Ke7 45. f6+ Kd7 46. Qd6+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2022.07.27"]
[Round "2"]
[White "Op den Dries, Johan"]
[Black "Vos, Tjark"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "2104"]
[BlackElo "2224"]
[PlyCount "84"]
[EventDate "2022.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. f4 Bg7 4. Nf3 c5 5. c3 0-0 6. Bd3 d5 7. 0-0 b6 8. Ne5 Ba6 9. Bxa6 Nxa6 10. Nd2 Nc7 11. Qf3 e6 12. b3 Nb5 13. Bb2 Nd6 14. c4 cxd4 15. Bxd4 Rc8 16. Rfd1 Qe7 17. Rac1 Nf5 18. cxd5 Nxd4 19. exd4 Nxd5 20. Ne4 Qb4 21. Nc6 Qa3 22. Qf2 Rc7 23. Rc4 Ra8 24. g3 b5 25. Rc5 Bf8 26. Rc2 Qa6 27. Ne5 Rxc2 28. Qxc2 Rc8 29. Qe2 f5 30. Nc5 Bxc5 31. dxc5 Nc3 32. Qd3 Nxd1 33. Qxd1 Qb7 34. c6 Qb6+ 35. Kf1 Rd8 36. Nd7 Qc7 37. Qd4 Qxc6 38. Nf6+ Kf7 39. Qxd8 Qh1+ 40. Kf2 Qxh2+ 41. Kf3 Qh1+ 42. Kf2 Qh2+ 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2022.07.26"]
[Round "1"]
[White "Vos, Tjark"]
[Black "Manukonda, Arun"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2224"]
[BlackElo "2021"]
[PlyCount "90"]
[EventDate "2022.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. f3 Be6 9. Qd2 h5 10. Nd5 Nxd5 11. exd5 Bf5 12. c4 b6 13. Be2 a5 14. 0-0 Nd7 15. Rac1 0-0 16. f4 Bg4 17. Bd3 a4 18. Na1 exf4 19. Bxf4 Nc5 20. Bb1 Bf6 21. Qc2 g6 22. Bh6 Re8 23. Qf2 Nd7 24. Bg5 Re2 25. Bxf6 Rxf2 26. Bxd8 Rxf1+ 27. Kxf1 Rxd8 28. h3 Bf5 29. Bxf5 gxf5 30. Nc2 Kg7 31. Nd4 Kf6 32. Nb5 Nc5 33. Ke2 Ke5 34. Kf3 Nd3 35. Rb1 Rg8 36. g3 h4 37. gxh4 f4 38. Nc3 Rg3+ 39. Ke2 Nxb2 40. Rxb2 Rg2+ 41. Kf3 Rxb2 42. Nxa4 Rb4 43. Nc3 Rxc4 44. Ne2 Re4 45. h5 Re3+ 0-1

[Event "NED-chT Promotion Liga 2a"]
[Site "Netherlands"]
[Date "2021.06.19"]
[Round "2.3"]
[White "Vos, Tjark"]
[Black "De Jong, Jasper"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2229"]
[BlackElo "2114"]
[PlyCount "75"]
[EventDate "2021.06.05"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "EuroParcs/Autovakm Schaap"]
[BlackTeam "Max Euwe II"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 f6 8. Nf4 Qe7 9. Qh5+ Qf7 10. Bg6 hxg6 11. Qxh8 fxe5 12. Ne2 exd4 13. cxd4 cxd4 14. 0-0 Nf6 15. Nf3 e5 16. Re1 Ne4 17. Ng3 Bf5 18. Nxe4 Bxe4 19. Ng5 Qf5 20. Nxe4 dxe4 21. Qh4 Be7 22. Qxe4 Bb4 23. g4 Qf6 24. Rf1 0-0-0 25. a3 Bc5 26. b4 Bb6 27. b5 Na5 28. Bd2 Kb8 29. Rae1 Nc4 30. Bb4 Rh8 31. Rc1 Nd6 32. Qd5 Rd8 33. Rc2 e4 34. Rfc1 a5 35. bxa6 bxa6 36. Bxd6+ Qxd6 37. Rc8+ Ka7 38. Qa8# 1-0

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2019.07.14"]
[Round "9"]
[White "Vos, Tjark"]
[Black "Bogaard, Milo"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "2210"]
[BlackElo "2100"]
[PlyCount "123"]
[EventDate "2019.07.06"]
[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. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Bg5 0-0 10. Qd2 a5 11. Rd1 Be6 12. b3 Re8 13. f3 Qb6 14. Rc1 Rac8 15. Be3 Qb4 16. Na4 Nd7 17. Qxb4 axb4 18. 0-0 Nc5 19. Nb6 Rc6 20. Nd5 Bxd5 21. cxd5 Rc7 22. Bd2 Ra8 23. Rc2 b6 24. Bxb4 Rca7 25. Bxc5 dxc5 26. a4 Bd4+ 27. Kh1 g5 28. g3 f6 29. Kg2 Kg7 30. Rh1 h6 31. h4 Rh8 32. Rh3 Raa8 33. Bc4 Raf8 34. Re2 Rd8 35. Rh1 Rdf8 36. Ree1 Rd8 37. Rh2 Rdf8 38. f4 Rd8 39. Kf3 Rdf8 40. Reh1 Rd8 41. hxg5 hxg5 42. Rxh8 Rxh8 43. Rxh8 Kxh8 44. fxg5 fxg5 45. Kg4 Be3 46. Kf5 Kg7 47. Ke6 Kf8 48. Bb5 g4 49. Kf5 Kf7 50. e5 e6+ 51. dxe6+ Ke7 52. Bc4 Bd4 53. Kxg4 Bxe5 54. Kf3 Bc7 55. g4 Bd8 56. Ke4 Kd6 57. Kf5 Bh4 58. g5 Ke7 59. Kg6 Kf8 60. Kf6 Be1 61. e7+ Ke8 62. Bb5# 1-0

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2019.07.07"]
[Round "2"]
[White "Gleizerov, Evgeny"]
[Black "Vos, Tjark"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2498"]
[BlackElo "2210"]
[PlyCount "57"]
[EventDate "2019.07.06"]
[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 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Nc3 a5 11. e4 Na6 12. Ne5 Nb4 13. Qe2 Ra6 14. Nxc4 b6 15. d5 exd5 16. e5 Nd7 17. Ne3 Ra7 18. Nexd5 Nxd5 19. Nxd5 Bxd5 20. Bxd5 c5 21. e6 Nf6 22. exf7+ Kh8 23. Be6 Qa8 24. Bf4 Qc6 25. Bc4 Qc8 26. Re1 Qf5 27. Rad1 h5 28. Be6 Qg6 29. Qb5 1-0

[Event "Amsterdam Mokumse"]
[Site "Amsterdam"]
[Date "2019.04.18"]
[Round "4"]
[White "Vos, Tjark"]
[Black "Kabos, Tobias"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "2223"]
[BlackElo "2301"]
[PlyCount "64"]
[EventDate "2019.02.05"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[EventCategory "2"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 Nbd7 7. e5 Ne8 8. h4 c5 9. Be3 cxd4 10. Bxd4 dxe5 11. fxe5 Qa5 12. Qe2 Nc7 13. h5 Ne6 14. hxg6 hxg6 15. Be3 Nxe5 16. Nxe5 Qxe5 17. 0-0-0 Nf4 18. Qf2 Nxd3+ 19. Rxd3 Be6 20. Kb1 Rfd8 21. Rxd8+ Rxd8 22. Bxa7 Bxa2+ 23. Kxa2 Qa5+ 24. Kb3 Bxc3 25. Qb6 Qd5+ 26. Kxc3 Rd6 27. Qd4 Qa5+ 28. Qb4 Qxa7 29. Rh3 Rc6+ 30. Kd3 Qf2 31. c3 Rd6+ 32. Kc4 Qxg2 0-1

[Event "Amsterdam Mokumse"]
[Site "Amsterdam"]
[Date "2019.04.12"]
[Round "1"]
[White "Bottema, Tom"]
[Black "Vos, Tjark"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2221"]
[BlackElo "2223"]
[PlyCount "51"]
[EventDate "2019.02.05"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[EventCategory "2"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 e5 3. d3 c6 4. Nf3 Bd6 5. e4 f5 6. 0-0 Ne7 7. Re1 Qc7 8. exd5 cxd5 9. Nc3 a6 10. Nxe5 Bxe5 11. d4 Nbc6 12. Nxd5 Nxd5 13. Bxd5 Be6 14. Bxe6 Nxd4 15. Bf4 Bxf4 16. Qxd4 Bg5 17. Bb3+ Kf8 18. Qd5 g6 19. Qd4 Qg7 20. Qb4+ Be7 21. Qxb7 Rd8 22. c3 h5 23. Re6 h4 24. Rae1 hxg3 25. Qxe7+ Qxe7 26. Rxe7 1-0

[Event "Amsterdam Mokumse"]
[Site "Amsterdam"]
[Date "2019.04.09"]
[Round "7"]
[White "Pham, Khoi"]
[Black "Vos, Tjark"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2116"]
[BlackElo "2223"]
[PlyCount "62"]
[EventDate "2019.02.05"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[EventCategory "2"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 0-0 5. e4 d5 6. e5 Nfd7 7. cxd5 exd5 8. a3 Bxc3+ 9. bxc3 f6 10. exf6 Qxf6 11. Bd3 Nb6 12. Ne2 Bf5 13. 0-0 N8d7 14. Nf4 Bxd3 15. Nxd3 Nc4 16. Qb3 b6 17. Nb2 Qc6 18. Nxc4 dxc4 19. Qc2 Nf6 20. Re1 Nd5 21. Bg5 a5 22. Re5 Qd7 23. Rae1 b5 24. R1e4 Rae8 25. Rh4 g6 26. f4 Ne3 27. Qc1 Ng4 28. Rxe8 Rxe8 29. Rh3 Re2 30. Rf3 Qe6 31. Rf1 Qe4 0-1

[Event "Amsterdam Mokumse"]
[Site "Amsterdam"]
[Date "2019.04.05"]
[Round "8"]
[White "Vos, Tjark"]
[Black "Kerigan, Demre"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2223"]
[BlackElo "2378"]
[PlyCount "77"]
[EventDate "2019.02.05"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[EventCategory "2"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 d6 2. c4 g6 3. Nf3 Bg7 4. e4 Bg4 5. Be2 Nc6 6. Be3 e5 7. d5 Bxf3 8. Bxf3 Nd4 9. 0-0 Ne7 10. Nc3 0-0 11. Rc1 c5 12. dxc6 bxc6 13. c5 Rb8 14. cxd6 Qxd6 15. Na4 Rfd8 16. Be2 Rb4 17. b3 Qb8 18. Bd3 Rd6 19. Bd2 Rb7 20. Nc5 Rb6 21. Ba5 Bh6 22. Rb1 Qc8 23. Re1 Kg7 24. h3 Ng8 25. Bf1 Nf6 26. Bxb6 axb6 27. Nd3 Nh5 28. Nxe5 Nf4 29. Qg4 Qd8 30. Nc4 Re6 31. Rbd1 Kh8 32. g3 f5 33. exf5 gxf5 34. Rxe6 fxg4 35. Rd6 Qf8 36. R1xd4 Nd5 37. Rxc6 Qf5 38. Rxh6 Nc3 39. Bd3 1-0

[Event "Amsterdam Mokumse"]
[Site "Amsterdam"]
[Date "2019.03.22"]
[Round "5"]
[White "Lopez, Jasel"]
[Black "Vos, Tjark"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2390"]
[BlackElo "2223"]
[PlyCount "67"]
[EventDate "2019.02.05"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[EventCategory "2"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 c5 8. Qd2 Qa5 9. Rc1 cxd4 10. cxd4 Qxd2+ 11. Kxd2 0-0 12. Nf3 Rd8 13. Bc4 Nc6 14. d5 Bg4 15. Rhd1 Bxf3 16. gxf3 Nd4 17. f4 b5 18. Bxd4 Bxd4 19. Bxb5 Bxf2 20. Ke2 Bb6 21. e5 f6 22. exf6 Kf7 23. fxe7 Kxe7 24. Kf3 Rd6 25. Re1+ Kf8 26. Bc6 Rad8 27. Rc4 Rf6 28. h4 Kg7 29. Re7+ Kh6 30. Bd7 Rdf8 31. Be6 Bg1 32. Rcc7 Rxf4+ 33. Kg2 Rf2+ 34. Kh1 1-0

[Event "Amsterdam Mokumse"]
[Site "Amsterdam"]
[Date "2019.03.21"]
[Round "2"]
[White "Vos, Tjark"]
[Black "Blees, Albert"]
[Result "1-0"]
[ECO "C09"]
[WhiteElo "2223"]
[BlackElo "2342"]
[PlyCount "59"]
[EventDate "2019.02.05"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[EventCategory "2"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. 0-0 Nge7 8. dxc5 Bxc5 9. Nb3 Bb6 10. h3 0-0 11. Nbd4 a6 12. Be2 Qd6 13. Be3 Bc7 14. Qd2 Nf5 15. Rad1 Ncxd4 16. Bxd4 Re8 17. Rfe1 Bd7 18. Bc3 Nh4 19. g3 Ng6 20. Bf1 Bf5 21. Qd4 f6 22. Qxd5+ Qxd5 23. Rxd5 Bxc2 24. Rd7 Rec8 25. Bc4+ Kh8 26. Ng5 h6 27. Bxf6 hxg5 28. Rxg7 Be5 29. Rxe5 Rxc4 30. Rxg5 1-0

[Event "Amsterdam Mokumse"]
[Site "Amsterdam"]
[Date "2019.02.14"]
[Round "3"]
[White "Lai, Hing Ting"]
[Black "Vos, Tjark"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2463"]
[BlackElo "2223"]
[PlyCount "49"]
[EventDate "2019.02.05"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[EventCategory "2"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. Bg5 Be7 7. Qa4+ Nbd7 8. Ne5 h6 9. Bh4 c5 10. cxd5 Nxd5 11. Nxd5 Bxd5 12. e4 Bxh4 13. exd5 0-0 14. Nxd7 Re8 15. 0-0-0 Bxf2 16. dxc5 exd5 17. c6 Re4 18. Qc2 Bd4 19. Bd3 Rf4 20. Rhf1 Qg5 21. Kb1 Rc8 22. Rxf4 Qxf4 23. Ba6 Rc7 24. Qd3 Rxc6 25. Qxd4 1-0

[Event "Amsterdam Mokumse"]
[Site "Amsterdam"]
[Date "2019.02.05"]
[Round "9"]
[White "Hernandez Iglesias, Francisco"]
[Black "Vos, Tjark"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2092"]
[BlackElo "2223"]
[PlyCount "59"]
[EventDate "2019.02.05"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[EventCategory "2"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. c3 d5 6. Nd2 c5 7. Ngf3 Nc6 8. exd5 exd5 9. dxc5 Bxc5 10. Nb3 Bb6 11. Be2 Qg6 12. Nbd4 Nxd4 13. cxd4 Qxg2 14. Bb5+ Kf8 15. Rg1 Ba5+ 16. Ke2 Qh3 17. Rg3 Qh5 18. Qc2 Bf5 19. Qc5+ Kg8 20. Rag1 g6 21. Qe7 Kg7 22. Bd7 Be4 23. Bg4 Bb4 24. Qxb4 Bxf3+ 25. Kxf3 Qg5 26. Kg2 Qf4 27. Kh1 Rhe8 28. Qxb7 Qxd4 29. Bf3 Qxf2 30. Rxg6+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2017.08.03"]
[Round "9"]
[White "Vos, Tjark"]
[Black "Luch, Michal"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "2171"]
[BlackElo "2393"]
[PlyCount "43"]
[EventDate "2017.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 0-0 9. b3 Bf5 10. Nf3 Bg4 11. h3 Bxf3 12. Qxf3 Nc6 13. d5 Nd4 14. Qd1 Nf5 15. Bf4 e5 16. dxe6 fxe6 17. g3 Nh4 18. Qxd6 Nf3+ 19. Ke2 Nd4+ 20. Ke1 Nf3+ 21. Ke2 Nd4+ 22. Ke1 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2017.08.02"]
[Round "8"]
[White "Hendriks, Willy"]
[Black "Vos, Tjark"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2411"]
[BlackElo "2171"]
[PlyCount "61"]
[EventDate "2017.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Nh6 7. Bd3 cxd4 8. cxd4 Bd7 9. Bc2 Nf5 10. Bxf5 exf5 11. 0-0 Be7 12. Nc3 Be6 13. b4 0-0 14. Qd3 Rac8 15. Ne2 a6 16. Bg5 Rc7 17. Rac1 Rfc8 18. Bxe7 Nxe7 19. Rc5 Bd7 20. Rfc1 Rxc5 21. dxc5 Qh6 22. Re1 a5 23. Ned4 b6 24. e6 fxe6 25. cxb6 axb4 26. b7 Rb8 27. Qa6 e5 28. Qa7 Qd6 29. Nxe5 Be8 30. Nd3 Kf7 31. Rxe7+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2017.08.01"]
[Round "7"]
[White "Vos, Tjark"]
[Black "Bekedam, Tyro"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2171"]
[BlackElo "2150"]
[PlyCount "43"]
[EventDate "2017.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Be7 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 a6 10. e4 Qb6 11. 0-0 Bb7 12. e5 Nd5 13. Nxd5 exd5 14. Bxh7 c5 15. dxc5 Bxc5 16. e6 fxe6 17. Qg6+ Kd8 18. Qxg7 Rf8 19. Bg5+ Kc8 20. Rac1 Bc6 21. Rxc5 Qxc5 22. Be7 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2017.07.31"]
[Round "6"]
[White "Maatman, Nick"]
[Black "Vos, Tjark"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2386"]
[BlackElo "2171"]
[PlyCount "117"]
[EventDate "2017.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. 0-0 0-0 6. c4 dxc4 7. Ne5 Nc6 8. Bxc6 bxc6 9. Nxc6 Qe8 10. Nxe7+ Qxe7 11. Qc2 e5 12. Rd1 Bb7 13. Qxc4 exd4 14. Rxd4 Rad8 15. Nc3 Rxd4 16. Qxd4 Rd8 17. Qxa7 Qb4 18. Bg5 Qxb2 19. Rd1 Rxd1+ 20. Nxd1 Qxe2 21. Qxb7 Qxd1+ 22. Kg2 Qa4 23. Qxc7 Qe4+ 24. Kf1 Ne8 25. Qe7 Qa4 26. Qe2 h6 27. Be3 Nf6 28. Qd2 Ng4 29. h3 Ne5 30. Qd8+ Kh7 31. Qd5 f6 32. Bf4 Nc4 33. Qd3+ Kh8 34. Qd8+ Kh7 35. Qd3+ Kh8 36. Qe2 Qc6 37. Kg1 Nb6 38. Kh2 Qa4 39. Qd2 Nc4 40. Qd8+ Kh7 41. Qd3+ Kh8 42. Qb3 Qa6 43. Qc2 Nb6 44. Qc6 Qa5 45. Bc7 Qxa2 46. Bxb6 Qf7 47. Qc7 Qe6 48. Qd8+ Kh7 49. Be3 Qf5 50. h4 Qg6 51. Qd5 h5 52. Qa8 Qf5 53. Qe8 Qd5 54. Qe7 Kg6 55. Qc5 Qe4 56. Qd4 Qf5 57. Kg2 Kh7 58. f3 Qc2+ 59. Bf2 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2017.07.29"]
[Round "5"]
[White "Guelsen, Taylan"]
[Black "Vos, Tjark"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2095"]
[BlackElo "2171"]
[PlyCount "112"]
[EventDate "2017.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 Nc6 5. Nd2 e6 6. Ngf3 Bd6 7. Ne5 Qc7 8. Ndf3 Ne4 9. Nxc6 Bxf4 10. Nce5 Bxe5 11. Nxe5 0-0 12. Bd3 f6 13. Nf3 b6 14. Nd2 Bb7 15. f3 Nd6 16. Qc2 g6 17. 0-0 c4 18. Be2 Nf5 19. Rfe1 Nxe3 20. Qc1 e5 21. Nf1 Nf5 22. Ne3 Nxe3 23. Qxe3 Rae8 24. Bf1 b5 25. dxe5 Bc8 26. f4 fxe5 27. fxe5 Rf5 28. Qd4 Rfxe5 29. Rxe5 Rxe5 30. a4 a6 31. axb5 axb5 32. Ra8 Rf5 33. Be2 Qc6 34. Ra7 Rf7 35. Rxf7 Kxf7 36. Bf3 Be6 37. Qa7+ Kg8 38. Qb8+ Kg7 39. Qe5+ Kf7 40. Qf4+ Ke8 41. Qb8+ Kd7 42. Qa7+ Qc7 43. Qd4 Kc6 44. Qh8 Qa7+ 45. Kf1 Qa1+ 46. Kf2 Qxb2+ 47. Kg3 Qa3 48. Qe8+ Bd7 49. Bxd5+ Kxd5 50. Qxd7+ Qd6+ 51. Qxd6+ Kxd6 52. Kf4 Kc5 53. Ke3 b4 54. cxb4+ Kxb4 55. Kd2 Kb3 56. h3 Kb2 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2017.07.28"]
[Round "4"]
[White "Vos, Tjark"]
[Black "De Jong, Migchiel"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2171"]
[BlackElo "2338"]
[PlyCount "85"]
[EventDate "2017.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd8 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Re1 Qc7 12. Bb3 Bd6 13. Nf5 Bxh2+ 14. Kh1 0-0 15. Nxg7 Rd8 16. Qf3 Kxg7 17. Bh6+ Kg6 18. c3 Nh5 19. Bc1 Bf4 20. g4 Ng3+ 21. fxg3 Bxc1 22. Raxc1 b6 23. Bc2+ Kg7 24. Be4 Ra7 25. Rc2 Bb7 26. Rh2 Bxe4 27. Qxe4 Qb7 28. Rxh7+ Kg8 29. Rh2 Qxe4+ 30. Rxe4 Rd1+ 31. Kg2 Rad7 32. Re2 Ra1 33. a3 Rd3 34. Kf2 Rb1 35. Rh5 Kg7 36. Rhe5 Kg6 37. R5e4 Rh1 38. Kg2 Rdd1 39. Rb4 b5 40. a4 Rhg1+ 41. Kh2 Rh1+ 42. Kg2 Rhg1+ 43. Kh2 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2017.07.26"]
[Round "2"]
[White "Vos, Tjark"]
[Black "Bosboom, Manuel"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "2171"]
[BlackElo "2405"]
[PlyCount "36"]
[EventDate "2017.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nf6 5. Nf3 0-0 6. Bd3 Na6 7. 0-0 c5 8. d5 Rb8 9. a4 Nb4 10. Be2 e6 11. dxe6 Bxe6 12. Ng5 Qe7 13. Nxe6 fxe6 14. Bc4 Rbd8 15. Re1 Nh5 16. g3 Kh8 17. Be3 Qf7 18. Qe2 b6 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2017.07.25"]
[Round "1"]
[White "Ikonnikov, Vyacheslav"]
[Black "Vos, Tjark"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2538"]
[BlackElo "2171"]
[PlyCount "58"]
[EventDate "2017.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Nc3 0-0 8. Bg2 c6 9. Bg5 h6 10. Bf4 d5 11. Nd2 g5 12. Be5 Nbd7 13. h4 Nxe5 14. dxe5 Ng4 15. hxg5 Bxg5 16. Nf3 f6 17. cxd5 cxd5 18. Nxg5 fxg5 19. Qd4 Qc7 20. Rc1 Nxe5 21. Qe3 Qg7 22. f4 Nf7 23. Qxe6 Rac8 24. Bxd5 Rxc3 25. Rd1 gxf4 26. gxf4 Rc2 27. Kf2 Bxe2 28. Rdg1 Bg4+ 29. Ke3 Qc3+ 0-1

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2017.07.15"]
[Round "8"]
[White "Gungl, Theo"]
[Black "Vos, Tjark"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "2286"]
[BlackElo "2171"]
[PlyCount "79"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Nb3 Nbd7 9. Qf3 Qc7 10. 0-0-0 b5 11. a3 Rb8 12. g4 b4 13. axb4 Rxb4 14. Bxf6 gxf6 15. Bd3 Bb7 16. f5 Ne5 17. Qe2 Qb6 18. Rhf1 Be7 19. fxe6 fxe6 20. h4 Nxd3+ 21. Rxd3 a5 22. g5 fxg5 23. Qh5+ Kd8 24. Rfd1 Bxe4 25. Nxe4 Rxe4 26. Qf3 Rc4 27. Nd4 e5 28. Rb3 Qa6 29. Ne6+ Kd7 30. Rb7+ Kxe6 31. Qd5+ Kf5 32. Rxe7 Rxh4 33. Qf7+ Ke4 34. Re1+ Kd4 35. c3+ Kc5 36. R1xe5+ Kb6 37. Qf2+ Kc6 38. Rc5+ dxc5 39. Re6+ Kb5 40. Qf1+ 1-0

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2017.07.13"]
[Round "5"]
[White "Kevlishvili, Robby"]
[Black "Vos, Tjark"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "2425"]
[BlackElo "2171"]
[PlyCount "91"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. a4 b4 9. d3 d6 10. Nbd2 Na5 11. Ba2 c5 12. Nc4 Nc6 13. Bg5 Rb8 14. Ne3 h6 15. Bxf6 Bxf6 16. Nd2 g6 17. g3 Bg7 18. Nf3 Kh7 19. h4 f5 20. h5 gxh5 21. Nxf5 Bxf5 22. exf5 Qe8 23. Nh4 Ne7 24. Be6 Bf6 25. Ng2 Bg5 26. Qf3 Nc6 27. Qd5 Rd8 28. c3 Kh8 29. Qc4 a5 30. Ne3 Ne7 31. Qe4 Ng8 32. Nd5 Nf6 33. Nxf6 Bxf6 34. cxb4 cxb4 35. Rec1 Qe7 36. Rc6 Bg5 37. Kg2 h4 38. Rh1 hxg3 39. fxg3 Qg7 40. Kh3 Rf6 41. Rh2 h5 42. Rhc2 h4 43. Rc7 Qh6 44. gxh4 Bf4 45. Rg2 Qh5 46. Rg4 1-0

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2017.07.13"]
[Round "6"]
[White "Vos, Tjark"]
[Black "Beeke, Bobby"]
[Result "0-1"]
[ECO "C43"]
[WhiteElo "2171"]
[BlackElo "2282"]
[PlyCount "74"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. dxe5 d5 5. Nbd2 Nc6 6. Bb5 Bd7 7. Qe2 a6 8. Bxc6 Bxc6 9. Nd4 Nxd2 10. Nxc6 Qd7 11. Bxd2 Qxc6 12. 0-0-0 0-0-0 13. Rhe1 Kb8 14. f4 g6 15. Bc3 Bc5 16. Qf3 Qe6 17. Kb1 h5 18. Rd3 Rd7 19. Red1 Rhd8 20. Be1 Be7 21. h3 h4 22. Qg4 c5 23. Qf3 d4 24. Bf2 f6 25. Bxh4 fxe5 26. Bg3 c4 27. R3d2 c3 28. Re2 Qb6 29. b3 Qa5 30. Ka1 Qa3 31. Rb1 d3 32. fxe5 Rd5 33. e6+ Ka8 34. cxd3 Rxd3 35. Qf4 Rd2 36. Rxd2 cxd2 37. Qf3 d1Q 0-1

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2017.07.11"]
[Round "4"]
[White "Vos, Tjark"]
[Black "Hopman, Pieter"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2171"]
[BlackElo "2331"]
[PlyCount "63"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 a6 7. Qc2 dxc4 8. Qxc4 b5 9. Qc2 Bb7 10. 0-0 0-0 11. Rd1 Nbd7 12. Ba5 Ra7 13. Nbd2 Qa8 14. b4 Rc8 15. Rac1 Nb6 16. a3 Nfd7 17. Qd3 h6 18. Rc2 Nc4 19. Nxc4 Be4 20. Qc3 Bxc2 21. Qxc2 bxc4 22. Ng5 Qxg2+ 23. Kxg2 hxg5 24. Qxc4 Raa8 25. Rc1 Bd6 26. Qc6 Nf8 27. Qb7 Rcb8 28. Qf3 Rc8 29. Rc6 Nd7 30. Bxc7 g4 31. Qc3 Be7 32. Bd6 1-0

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2017.07.09"]
[Round "2"]
[White "Vos, Tjark"]
[Black "Ten Hertog, Hugo"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2171"]
[BlackElo "2460"]
[PlyCount "58"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 a6 5. Nf3 b5 6. Bd3 Nd7 7. e5 c5 8. Be4 Rb8 9. Be3 b4 10. Ne2 Nh6 11. dxc5 Ng4 12. Bg1 Nxc5 13. Bc6+ Bd7 14. exd6 Bxc6 15. Bxc5 Rb5 16. Bd4 e5 17. fxe5 Bxf3 18. gxf3 Nxe5 19. 0-0 Rd5 20. f4 Ng4 21. Qe1 0-0 22. Bxg7 Re8 23. Be5 Qb6+ 24. Kh1 Qb7 25. Kg1 Nxe5 26. Rd1 Nf3+ 27. Rxf3 Rxd1 28. Qxd1 Qxf3 29. d7 Qg4+ 0-1

[Event "Haarlem Nova College op 15th"]
[Site "Haarlem"]
[Date "2017.07.02"]
[Round "6"]
[White "Vos, Tjark"]
[Black "Turov, Maxim"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "2204"]
[BlackElo "2595"]
[PlyCount "45"]
[EventDate "2017.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. N1e2 e6 7. Nf4 Bd6 8. h4 Qc7 9. Nxg6 hxg6 10. Ne4 Nf6 11. Nxd6+ Qxd6 12. Be2 Nbd7 13. g3 e5 14. dxe5 Qxe5 15. 0-0 0-0 16. c3 Rfe8 17. Re1 Qf5 18. Bg5 Rad8 19. Qc1 Re4 20. Bf1 Ne5 21. Rxe4 Nxe4 22. Be3 Rd2 23. Bg2 0-1

[Event "Haarlem Nova College op 15th"]
[Site "Haarlem"]
[Date "2017.07.01"]
[Round "4"]
[White "Vos, Tjark"]
[Black "Werle, Jan"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2204"]
[BlackElo "2527"]
[PlyCount "62"]
[EventDate "2017.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. e5 c5 5. c3 Nc6 6. Bd3 cxd4 7. cxd4 Nh6 8. Ne2 f6 9. exf6 Bxf6 10. Nf3 Nf7 11. 0-0 0-0 12. Be3 g6 13. Rc1 Bg7 14. Qd2 Bd7 15. Rfe1 Rc8 16. Bb1 Qa5 17. Rc3 Qd8 18. h4 Ne7 19. h5 Rxc3 20. Qxc3 gxh5 21. Ng3 h4 22. Nxh4 e5 23. dxe5 Nxe5 24. Qc2 N7g6 25. Nxg6 Nxg6 26. Bxa7 Qa5 27. Re7 Rc8 28. Rxg7+ Kxg7 29. Bd4+ Kf7 30. Qd1 Rc6 31. Bd3 Ke8 1/2-1/2

[Event "Groningen op-A 54th"]
[Site "Groningen"]
[Date "2016.12.30"]
[Round "9"]
[White "Vos, Tjark"]
[Black "Maris, Ivo"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2183"]
[BlackElo "2345"]
[PlyCount "63"]
[EventDate "2016.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 Na6 3. Nc3 Nc7 4. Nf3 g6 5. Be3 d5 6. h3 Bg7 7. Be2 dxe4 8. Nxe4 Nf6 9. Ng3 Nfd5 10. Bd2 Ne6 11. c3 Nef4 12. Bf1 Qd6 13. Ne4 Qe6 14. Nfg5 Qf5 15. g4 Qd7 16. Qf3 h6 17. Nxf7 0-0 18. Ne5 Bxe5 19. dxe5 Qe6 20. 0-0-0 Qxe5 21. c4 Nb6 22. Bc3 Qc7 23. Qe3 Na4 24. Bd4 e5 25. Nf6+ Rxf6 26. Bxe5 Qf7 27. Rd8+ Kh7 28. Qxf4 Bf5 29. Rxa8 Qe7 30. gxf5 g5 31. Qd4 Rxf5 32. Bd3 1-0

[Event "Groningen op-A 54th"]
[Site "Groningen"]
[Date "2016.12.28"]
[Round "7"]
[White "Vos, Tjark"]
[Black "De Boer, Bas"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2183"]
[BlackElo "2093"]
[PlyCount "44"]
[EventDate "2016.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Nf6 6. g3 d5 7. Bg2 Be7 8. 0-0 0-0 9. cxd5 exd5 10. b3 Re8 11. Bb2 Bc5 12. Nxc6 bxc6 13. Rc1 Ba6 14. Bf3 Qe7 15. Na4 Bb4 16. Rxc6 Bxe2 17. Bxf6 Qxf6 18. Rxf6 Bxd1 19. Rf4 Bxf3 20. Rxf3 Re2 21. Rd1 Rd8 22. Nc3 Bxc3 1/2-1/2

[Event "Groningen op-A 54th"]
[Site "Groningen"]
[Date "2016.12.27"]
[Round "6"]
[White "Bekedam, Tyro"]
[Black "Vos, Tjark"]
[Result "1/2-1/2"]
[ECO "B80"]
[WhiteElo "2154"]
[BlackElo "2183"]
[PlyCount "57"]
[EventDate "2016.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2 Nbd7 9. 0-0-0 b4 10. Nce2 Qc7 11. g4 h6 12. h4 d5 13. Bg2 dxe4 14. g5 Nd5 15. g6 Ne5 16. Nf4 Nxf4 17. Bxf4 Nd3+ 18. Qxd3 Qxf4+ 19. Qd2 e3 20. Qd3 Bc5 21. Ne2 Qc7 22. gxf7+ Kxf7 23. h5 Rf8 24. f4 Ra7 25. Qg6+ Kg8 26. Be4 Be7 27. Qh7+ Kf7 28. Qg6+ Kg8 29. Qh7+ 1/2-1/2

[Event "Groningen op-A 54th"]
[Site "Groningen"]
[Date "2016.12.26"]
[Round "5"]
[White "Vos, Tjark"]
[Black "Chu, Wei Chao"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2183"]
[BlackElo "2281"]
[PlyCount "69"]
[EventDate "2016.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 e6 4. d4 d5 5. exd5 exd5 6. Bd3 Bd6 7. dxc5 Bxc5 8. 0-0 Ne7 9. Bf4 Nbc6 10. Nbd2 0-0 11. Qc2 Ng6 12. Bg3 f5 13. h3 f4 14. Bh2 Qf6 15. Rad1 Kh8 16. Rfe1 Nge5 17. Nxe5 Nxe5 18. Bxh7 g6 19. Rxe5 Qxe5 20. Bxg6 Bxf2+ 21. Kxf2 Qe3+ 22. Kf1 f3 23. Qd3 fxg2+ 24. Kxg2 Bxh3+ 25. Kh1 Qxd3 26. Bxd3 Rae8 27. Bg1 Bf5 28. Bd4+ Kh7 29. Bxf5+ Rxf5 30. Nf1 Rh5+ 31. Kg1 Rg5+ 32. Kf2 Rf5+ 33. Kg1 Re7 34. b4 Rg5+ 35. Kh1 0-1

[Event "Groningen op-A 54th"]
[Site "Groningen"]
[Date "2016.12.24"]
[Round "4"]
[White "Boersma, Jan"]
[Black "Vos, Tjark"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "2088"]
[BlackElo "2183"]
[PlyCount "62"]
[EventDate "2016.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Be7 6. Nxe4 Nd7 7. Bf4 Ngf6 8. Qd3 b6 9. 0-0-0 Bb7 10. N2c3 0-0 11. Nxf6+ Nxf6 12. Qh3 Nd5 13. Bd3 g6 14. Bd2 Bg5 15. Ne2 Bxd2+ 16. Rxd2 Rc8 17. Qh6 c5 18. dxc5 Rxc5 19. Ng3 Qe7 20. Re1 Ra5 21. c4 Rc8 22. Nh5 Qf8 23. Qg5 Nb4 24. Nf6+ Kh8 25. Qh4 Nxd3+ 26. Rxd3 Rxc4+ 27. Qxc4 Rc5 28. Rc3 Qh6+ 29. f4 Rxc4 30. Rxc4 Qxh2 31. g4 Qh4 0-1

[Event "Vlissingen HZ op 20th"]
[Site "Vlissingen"]
[Date "2016.08.13"]
[Round "9"]
[White "Van de Wynkele, Eric"]
[Black "Vos, Tjark"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2018"]
[BlackElo "2223"]
[PlyCount "57"]
[EventDate "2016.08.06"]
[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. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Bb3 a6 7. h3 0-0 8. Nbd2 Ba7 9. Nf1 Ne7 10. Be3 Ng6 11. Bxa7 Rxa7 12. Ne3 h6 13. Qd2 Be6 14. Bc2 d5 15. exd5 Nxd5 16. Nxd5 Bxd5 17. Qe3 Ra8 18. 0-0 Qf6 19. Nd2 Nf4 20. g3 Nxh3+ 21. Kh2 Qf5 22. Ne4 Ng5 23. Rh1 Rad8 24. f4 Qh3+ 25. Kg1 exf4 26. Qxf4 Qe6 27. g4 Bxe4 28. dxe4 Rd2 29. Rc1 0-1

[Event "Vlissingen HZ op 20th"]
[Site "Vlissingen"]
[Date "2016.08.12"]
[Round "8"]
[White "Vos, Tjark"]
[Black "Docx, Stefan"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "2223"]
[BlackElo "2420"]
[PlyCount "78"]
[EventDate "2016.08.06"]
[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. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bb7 7. d3 Be7 8. Nc3 0-0 9. a3 Nd4 10. Nxd4 exd4 11. Ne2 c5 12. c3 dxc3 13. bxc3 c4 14. dxc4 bxc4 15. Bxc4 Qc7 16. Bd5 Nxd5 17. exd5 Qc4 18. Nf4 Bd6 19. Qe2 Rac8 20. Qxc4 Rxc4 21. Rb1 Ba8 22. Ne2 Re8 23. Be3 Bxa3 24. Ra1 Bc5 25. Nd4 Bxd5 26. Rxa6 Rxc3 27. Nb5 Rcxe3 28. fxe3 Bc4 29. Rb1 Bd3 30. Raa1 Bxe3+ 31. Kh1 Bxb1 32. Rxb1 Rb8 33. Ra1 d5 34. Nc7 d4 35. Nd5 g6 36. g3 Rd8 37. Ra5 Bd2 38. Rb5 d3 39. Kg2 Bc1 0-1

[Event "Vlissingen HZ op 20th"]
[Site "Vlissingen"]
[Date "2016.08.11"]
[Round "7"]
[White "Vos, Tjark"]
[Black "Gogollok, Carsten"]
[Result "1-0"]
[ECO "B75"]
[WhiteElo "2223"]
[BlackElo "2006"]
[PlyCount "57"]
[EventDate "2016.08.06"]
[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. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 Bd7 9. 0-0-0 a6 10. g4 b5 11. Kb1 Rc8 12. h4 0-0 13. h5 Nxd4 14. Bxd4 Be6 15. Qh2 Re8 16. hxg6 hxg6 17. Be2 b4 18. Nd5 Bxd5 19. exd5 Qc7 20. Rd2 a5 21. f4 e5 22. dxe6 fxe6 23. Bxf6 Bxf6 24. g5 Bg7 25. Qh7+ Kf8 26. Qxg6 Re7 27. Bg4 Qc6 28. Rdh2 Rf7 29. Rh8+ 1-0

[Event "Vlissingen HZ op 20th"]
[Site "Vlissingen"]
[Date "2016.08.10"]
[Round "6"]
[White "Van Kessel, Wessel"]
[Black "Vos, Tjark"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2007"]
[BlackElo "2223"]
[PlyCount "51"]
[EventDate "2016.08.06"]
[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. e4 c5 2. Nc3 e6 3. f4 Nc6 4. Nf3 a6 5. g3 d5 6. d3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. h3 b5 10. g4 b4 11. exd5 exd5 12. Ne2 Bb7 13. Ng3 Re8 14. g5 Nd7 15. h4 Nb6 16. f5 Bd6 17. Nh5 d4 18. f6 g6 19. Ng7 Rf8 20. h5 Qd7 21. Nd2 Ne5 22. Bxb7 Qxb7 23. Ne4 Qd7 24. Bf4 Nd5 25. Nxd6 Qxd6 26. Qd2 1/2-1/2

[Event "Vlissingen HZ op 20th"]
[Site "Vlissingen"]
[Date "2016.08.09"]
[Round "5"]
[White "Vos, Tjark"]
[Black "Van Baar, Esper"]
[Result "1/2-1/2"]
[ECO "B28"]
[WhiteElo "2223"]
[BlackElo "2028"]
[PlyCount "89"]
[EventDate "2016.08.06"]
[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. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 e6 6. Be2 Nf6 7. 0-0 Be7 8. Ne5 0-0 9. Bf3 Qd8 10. dxc5 Bxc5 11. Bg5 Nbd7 12. Nxd7 Qxd7 13. Bxf6 Qxd1 14. Rxd1 gxf6 15. Nd2 Rb8 16. Ne4 Be7 17. Nd6 b6 18. Nxc8 Rfxc8 19. Rd7 Kf8 20. Bb7 Rd8 21. Rxd8+ Rxd8 22. Bxa6 Rd2 23. b4 Rc2 24. a4 Rxc3 25. a5 bxa5 26. bxa5 Ra3 27. Rxa3 Bxa3 28. Bd3 h6 29. f3 Bc5+ 30. Kf1 Ke7 31. Ke2 Kd6 32. Bb5 f5 33. Kd3 Kd5 34. a6 Ba7 35. Kc3 f6 36. Bc4+ Kd6 37. Kb4 Bf2 38. Kc3 Ba7 39. Kd3 Bb6 40. Ke2 f4 41. Kd3 f5 42. h3 Ba7 43. Kc3 Bg1 44. Kb4 Ba7 45. Kb5 1/2-1/2

[Event "Vlissingen HZ op 20th"]
[Site "Vlissingen"]
[Date "2016.08.08"]
[Round "4"]
[White "Ritsema, Ronald JE"]
[Black "Vos, Tjark"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2059"]
[BlackElo "2223"]
[PlyCount "62"]
[EventDate "2016.08.06"]
[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. g3 d5 4. Nf3 Bb4+ 5. Bd2 Bd6 6. Bg2 0-0 7. 0-0 Nbd7 8. Qc2 c6 9. b3 e5 10. dxe5 Nxe5 11. Bc3 Nxf3+ 12. Bxf3 dxc4 13. bxc4 Qe7 14. Nd2 Re8 15. Rab1 Be5 16. Rb3 Bxc3 17. Rxc3 Bh3 18. Rb1 Rad8 19. Rcb3 Qd6 20. Nf1 Qc5 21. Ne3 Bc8 22. Rd1 Rxd1+ 23. Qxd1 Nd7 24. Bg4 Nb6 25. Bxc8 Rxc8 26. Rd3 g6 27. Rd8+ Rxd8 28. Qxd8+ Qf8 29. Qd4 Qg7 30. Qd8+ Qf8 31. Qd4 Qg7 1/2-1/2

[Event "Vlissingen HZ op 20th"]
[Site "Vlissingen"]
[Date "2016.08.07"]
[Round "3"]
[White "Sukandar, Irine Kharisma"]
[Black "Vos, Tjark"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2418"]
[BlackElo "2223"]
[PlyCount "49"]
[EventDate "2016.08.06"]
[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. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. d4 cxd4 7. Nxd4 Nf6 8. Re1 g6 9. Nxc6 Qxc6 10. Nc3 Bg7 11. Bg5 Rc8 12. Nd5 Qxc2 13. Rc1 Qxd1 14. Rxc8+ Kd7 15. Rc7+ Kd8 16. Rxd1 Nxd5 17. Rxb7 Kc8 18. Rxa7 Kb8 19. Ra4 Nf6 20. Rd3 Rc8 21. Rb3+ Kc7 22. Rc4+ Kd8 23. Rxc8+ Kxc8 24. Bxf6 Bxf6 25. a4 1-0

[Event "Vlissingen HZ op 20th"]
[Site "Vlissingen"]
[Date "2016.08.07"]
[Round "2"]
[White "Vos, Tjark"]
[Black "Van Foreest, Jorden"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2223"]
[BlackElo "2601"]
[PlyCount "67"]
[EventDate "2016.08.06"]
[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. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. N1e2 e6 7. Nf4 Qc7 8. h4 Bd6 9. Nxg6 hxg6 10. Ne4 Nf6 11. Nxd6+ Qxd6 12. Be2 Nbd7 13. g3 0-0-0 14. 0-0 Nh5 15. Kg2 Ndf6 16. c3 Ne4 17. Qe1 f5 18. b4 e5 19. Bxh5 Rxh5 20. f3 g5 21. fxe4 gxh4 22. Rxf5 Rxf5 23. exf5 h3+ 24. Kh2 Qd5 25. Qf1 exd4 26. Bg5 Re8 27. Rd1 Qxa2+ 28. Rd2 Qb3 29. Rxd4 Qxc3 30. Qd1 b6 31. Bf4 Re1 32. Rd8+ Kb7 33. Rb8+ Ka6 34. Qa4# 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2016.08.03"]
[Round "8"]
[White "Van der Zon, Stef"]
[Black "Vos, Tjark"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "2057"]
[BlackElo "2156"]
[PlyCount "59"]
[EventDate "2016.07.26"]
[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. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. d3 d6 9. c3 Na5 10. Bc2 c5 11. Nbd2 Re8 12. Nf1 Bf8 13. Ng3 g6 14. d4 Qc7 15. d5 c4 16. Nh4 Nb7 17. h3 Qd8 18. a4 Bd7 19. axb5 axb5 20. Rxa8 Qxa8 21. f4 exf4 22. Bxf4 Nc5 23. Nf3 Qa2 24. e5 dxe5 25. Bxe5 Bg7 26. Qd4 Qxb2 27. Bxf6 Bxf6 28. Rxe8+ Kg7 29. Re5 Qxc2 30. Nh5+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2016.08.02"]
[Round "7"]
[White "Vos, Tjark"]
[Black "Milov, Leonid"]
[Result "0-1"]
[ECO "B49"]
[WhiteElo "2156"]
[BlackElo "2430"]
[PlyCount "78"]
[EventDate "2016.07.26"]
[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. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2 b5 8. 0-0 Bb7 9. a4 b4 10. Nb1 Nf6 11. f3 Bd6 12. g3 h5 13. Nxc6 Bxg3 14. e5 Bxh2+ 15. Kxh2 Ng4+ 16. fxg4 Qxc6 17. Bf3 hxg4+ 18. Kg3 gxf3 19. Nd2 Rc8 20. Qxf3 Qxf3+ 21. Nxf3 Rxc2 22. Rac1 b3 23. Rxc2 bxc2 24. Nd4 Rh5 25. Bf4 d6 26. Nxc2 dxe5 27. Bd2 f5 28. Bc3 Rg5+ 29. Kh4 Rg4+ 30. Kh5 Kf7 31. Be1 Re4 32. a5 Bc6 33. Rg1 Ba4 34. Nb4 Bb5 35. Kg5 Re2 36. Bc3 f4 37. Re1 Rg2+ 38. Kh4 f3 39. Kh3 Rg5 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2016.08.01"]
[Round "6"]
[White "Vos, Tjark"]
[Black "Zwirs, Jasper"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2156"]
[BlackElo "2071"]
[PlyCount "41"]
[EventDate "2016.07.26"]
[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. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. 0-0 e5 5. c3 Bg4 6. h3 Bxf3 7. Qxf3 Qf6 8. Qe2 Nge7 9. f4 a6 10. fxe5 Qxe5 11. Bc4 0-0-0 12. Bxf7 h5 13. d3 g5 14. Bxh5 Bh6 15. Nd2 Rdf8 16. Nc4 Rxf1+ 17. Qxf1 Qg3 18. Qf6 Qe1+ 19. Kh2 Rf8 20. Qxd6 Rf1 21. Nb6# 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2016.07.30"]
[Round "5"]
[White "Elgersma, Simon"]
[Black "Vos, Tjark"]
[Result "1/2-1/2"]
[ECO "B60"]
[WhiteElo "1981"]
[BlackElo "2156"]
[PlyCount "152"]
[EventDate "2016.07.26"]
[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. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7 7. f4 Rc8 8. Nb3 a6 9. a4 e6 10. Qd2 h6 11. Bh4 Nxe4 12. Nxe4 Qxh4+ 13. g3 Qe7 14. 0-0-0 d5 15. Nec5 Nb8 16. Nxd7 Qxd7 17. f5 Be7 18. Kb1 0-0 19. fxe6 fxe6 20. Bh3 Bf6 21. Rhe1 Rfe8 22. Qe3 Qxa4 23. Bxe6+ Kh8 24. Qd3 Rcd8 25. Qg6 Nd7 26. Bf5 Nf8 27. Qh5 Qc6 28. Rxe8 Rxe8 29. Nd4 Bxd4 30. Rxd4 Re5 31. Rd1 Qf6 32. g4 Nd7 33. Qh3 Nb6 34. Bd3 Nc4 35. c3 Re3 36. Qg2 Rf3 37. Bf5 Rxf5 38. gxf5 Qxf5+ 39. Ka1 Ne3 40. Qe2 Nxd1 41. Qxd1 b5 42. Qe2 Qe4 43. Qf2 Kh7 44. b4 Kg8 45. Kb2 Qe6 46. Ka3 Qc6 47. Qf3 Qd6 48. Kb3 Kh8 49. h4 Qe6 50. Kb2 Kh7 51. Qg2 Qe4 52. Qf2 Kg8 53. Ka3 a5 54. bxa5 Qa4+ 55. Kb2 b4 56. Qc5 Qa3+ 57. Kb1 Qb3+ 58. Kc1 bxc3 59. Qc8+ Kf7 60. Qf5+ Ke7 61. Qe5+ Kd8 62. Qd6+ Kc8 63. Qc6+ Kb8 64. Qd6+ Kb7 65. Qd7+ Ka6 66. Qc6+ Kxa5 67. Qa8+ Kb4 68. Qf8+ Kc4 69. Qf1+ Kc5 70. Qf8+ Kc6 71. Qc8+ Kd6 72. Qf8+ Ke6 73. Qc8+ Kf6 74. Qd8+ Kg6 75. h5+ Kh7 76. Qh8+ Kxh8 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2016.07.28"]
[Round "3"]
[White "Beukema, Stefan"]
[Black "Vos, Tjark"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2355"]
[BlackElo "2156"]
[PlyCount "49"]
[EventDate "2016.07.26"]
[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. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Kf8 8. Bd2 Qe8 9. a4 Bd7 10. dxc5 Qc8 11. Nf3 Qxc5 12. Bd3 Nbc6 13. 0-0 Rc8 14. Rfb1 Na5 15. c4 Qc7 16. Bb4 Bc6 17. Ng5 h6 18. Nxe6+ fxe6 19. Qxe6 Rd8 20. Bg6 Be8 21. Ra3 Bxg6 22. Rf3+ Ke8 23. Bxe7 Qxe7 24. Qxg6+ Kd7 25. Rf7 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2016.07.26"]
[Round "1"]
[White "Debashis, Das"]
[Black "Vos, Tjark"]
[Result "1-0"]
[ECO "E56"]
[WhiteElo "2451"]
[BlackElo "2156"]
[PlyCount "69"]
[EventDate "2016.07.26"]
[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. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. Nf3 c5 7. 0-0 Nc6 8. cxd5 cxd4 9. exd4 Nxd5 10. Bc2 Re8 11. Qd3 g6 12. a3 Be7 13. Bh6 b6 14. Rfe1 Bb7 15. Re4 Rc8 16. Rae1 Na5 17. Rg4 Nc4 18. Bc1 Nxa3 19. Ba4 Nb4 20. Qd2 Nc4 21. Qh6 Bxf3 22. gxf3 Rf8 23. Ree4 Nd6 24. Rh4 Bxh4 25. Rxh4 Qxh4 26. Qxh4 Nf5 27. Qe4 Rfd8 28. Be3 a6 29. Bb3 Rd6 30. Qb7 Rcd8 31. Ne4 Rc6 32. Bd2 Nxd4 33. Ng5 Rf8 34. Bxb4 Rc1+ 35. Kg2 1-0

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2016.07.17"]
[Round "9"]
[White "Vos, Tjark"]
[Black "Novikov, Stanislav"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2156"]
[BlackElo "2528"]
[PlyCount "124"]
[EventDate "2016.07.09"]
[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. e4 g6 2. d4 Bg7 3. c3 c6 4. Bd3 d6 5. Nf3 Nd7 6. 0-0 Qc7 7. h3 Ngf6 8. Bf4 e5 9. Bh2 0-0 10. Nbd2 Re8 11. Re1 b6 12. a4 Bb7 13. Nc4 a6 14. b4 Nh5 15. Qd2 b5 16. Na5 Nb6 17. Nxb7 Qxb7 18. axb5 cxb5 19. g4 Nf6 20. dxe5 dxe5 21. Bxe5 Nbd7 22. Bd4 Nxe4 23. Bxe4 Rxe4 24. Bxg7 Kxg7 25. Rxe4 Qxe4 26. Ng5 Qc6 27. Re1 h6 28. Qd4+ Nf6 29. Ne4 Re8 30. f3 Re6 31. Re3 Qd5 32. Nc5 Rxe3 33. Qxe3 Qd1+ 34. Kg2 Nd5 35. Qe5+ Kh7 36. Ne4 Qe2+ 37. Kg1 Qe3+ 38. Kh2 Qf4+ 39. Qxf4 Nxf4 40. Nc5 Nd5 41. Nxa6 Nxc3 42. Nc7 Kg7 43. Kg3 Kf6 44. Kf4 g5+ 45. Ke3 Ke5 46. Kd3 Na2 47. Nxb5 Nxb4+ 48. Ke3 Nd5+ 49. Kf2 f6 50. Kg3 f5 51. gxf5 Ne3 52. f6 Kxf6 53. f4 Nf5+ 54. Kg4 Ne3+ 55. Kf3 Nd5 56. fxg5+ Kxg5 57. Nd4 h5 58. Kg3 h4+ 59. Kf2 Nf4 60. Nf3+ Kh5 61. Nxh4 Kxh4 62. Kf3 Nxh3 1/2-1/2

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2016.07.16"]
[Round "8"]
[White "Kazarian, Anna Maja"]
[Black "Vos, Tjark"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2276"]
[BlackElo "2156"]
[PlyCount "58"]
[EventDate "2016.07.09"]
[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. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Re1 Qc7 12. Bb3 Bd6 13. Nf5 Bxh2+ 14. Kh1 0-0 15. Nxg7 Rd8 16. Qf3 Kxg7 17. Bh6+ Kg6 18. c3 Nh5 19. g4 Kxh6 20. Qh3 Bf4 21. Qxh5+ Kg7 22. g5 Qc6+ 23. Kg1 Qc5 24. Re4 Qxg5+ 25. Qxg5+ Bxg5 26. Rg4 h6 27. f4 e5 28. Rg2 exf4 29. Re1 Be6 0-1

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2016.07.15"]
[Round "7"]
[White "Lai, Hing Ting"]
[Black "Vos, Tjark"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2416"]
[BlackElo "2156"]
[PlyCount "73"]
[EventDate "2016.07.09"]
[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. Nf3 Nf6 2. e3 g6 3. d4 Bg7 4. c4 0-0 5. Nc3 d5 6. cxd5 Nxd5 7. Bc4 Nb6 8. Bb3 c5 9. 0-0 cxd4 10. Nxd4 N8d7 11. Qe2 Nc5 12. Bc2 Bd7 13. Rd1 Rc8 14. a4 Qe8 15. a5 Nba4 16. Nxa4 Nxa4 17. e4 Rc5 18. Bxa4 Bxa4 19. b3 Bb5 20. Qe1 Bd7 21. Ba3 Rh5 22. Rac1 Qb8 23. Nf3 Bc6 24. Bxe7 Re8 25. Bd6 Qa8 26. Rxc6 bxc6 27. e5 Qc8 28. Qe4 Qd7 29. Qc2 Qb7 30. Qc3 Rd8 31. g4 Rh6 32. Qe3 c5 33. Kg2 Qb4 34. h3 Qxa5 35. e6 fxe6 36. Qxe6+ Kh8 37. Ne5 1-0

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2016.07.14"]
[Round "6"]
[White "Vos, Tjark"]
[Black "Blees, Albert"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2156"]
[BlackElo "2391"]
[PlyCount "87"]
[EventDate "2016.07.09"]
[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. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. Be2 Nf6 6. 0-0 0-0 7. a4 a5 8. Re1 Qc7 9. h3 e5 10. b3 exd4 11. Nxd4 Nbd7 12. f4 Re8 13. Bf3 Nc5 14. Kh1 Bd7 15. g4 Qb6 16. e5 dxe5 17. fxe5 Nd5 18. Nxd5 cxd5 19. Bxd5 Rxe5 20. Rxe5 Bxe5 21. Be3 Rd8 22. Qf3 Be8 23. Rf1 Rd7 24. c4 Qd8 25. Kg1 Qe7 26. Qf2 Nd3 27. Qd2 Nb4 28. Nf3 Nxd5 29. cxd5 Bg7 30. Re1 Qd8 31. Bc5 f6 32. Qe3 Bf7 33. Be7 Rxe7 34. Qxe7 Qxd5 35. Rc1 h5 36. Rc7 hxg4 37. hxg4 Qxb3 38. Rxb7 Qc4 39. Kf2 Qd5 40. Kg3 Qc4 41. Rc7 Qb3 42. g5 fxg5 43. Rc8+ Kh7 44. Qxf7 1-0

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2016.07.12"]
[Round "4"]
[White "Vos, Tjark"]
[Black "Van Foreest, Lucas"]
[Result "0-1"]
[ECO "A18"]
[WhiteElo "2156"]
[BlackElo "2367"]
[PlyCount "38"]
[EventDate "2016.07.09"]
[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. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. d4 e5 8. Nf3 Nc6 9. dxe5 Nxe5 10. Qe2 Bd6 11. c5 Bg4 12. cxd6 0-0-0 13. Bb2 Qxd6 14. Rd1 Nxf3+ 15. gxf3 Qxd1+ 16. Qxd1 Rxd1+ 17. Kxd1 Bxf3+ 18. Be2 Rd8+ 19. Ke1 Re8 0-1

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2016.07.11"]
[Round "3"]
[White "Vos, Tjark"]
[Black "Kim, Alexey"]
[Result "1/2-1/2"]
[ECO "B46"]
[WhiteElo "2156"]
[BlackElo "2458"]
[PlyCount "72"]
[EventDate "2016.07.09"]
[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. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. 0-0 Nc6 8. Nxc6 bxc6 9. f4 d5 10. Qe2 Be7 11. b3 c5 12. exd5 exd5 13. Re1 Ra7 14. Ba3 Qa5 15. Bb2 0-0 16. Nxd5 Nxd5 17. Qe4 g6 18. Qxd5 Rd7 19. Qe5 f6 20. Qe6+ Kg7 21. f5 Rc7 22. Qe3 c4 23. Bxc4 Bxf5 24. Re2 Bc5 25. Bd4 Re8 26. Bxc5 Rxe3 27. Bxe3 Bg4 28. Ree1 h5 29. Bd4 Qd2 30. c3 h4 31. Re4 Bf5 32. Rxh4 g5 33. Rf1 gxh4 34. Rxf5 Rc6 35. a4 Rd6 36. h3 Qc1+ 1/2-1/2

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2016.06.18"]
[Round "4"]
[White "Vos, Tjark"]
[Black "Blees, Albert"]
[Result "0-1"]
[ECO "B54"]
[WhiteElo "2154"]
[BlackElo "2403"]
[PlyCount "92"]
[EventDate "2016.06.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 d6 6. Be3 Nd7 7. Qd2 b5 8. f3 Bb7 9. a4 bxa4 10. Rxa4 Ngf6 11. Be2 Be7 12. 0-0 0-0 13. Nb3 Ne5 14. Na5 Qc7 15. Nxb7 Qxb7 16. Rfa1 a5 17. b3 Nc6 18. f4 Rac8 19. Bf3 Rfd8 20. Qf2 Nd7 21. Ne2 h6 22. Nd4 Nxd4 23. Bxd4 e5 24. fxe5 dxe5 25. Be3 Bb4 26. Kh1 Nc5 27. Bxc5 Rxc5 28. Rf1 Rd2 29. Qg3 Rdxc2 30. Bh5 Rc1 31. Ra1 Rxa1 32. Rxa1 Qxe4 33. Rf1 g6 34. Bg4 Rc2 35. h3 Bd2 36. Bf5 Qe2 37. Bd3 Bf4 38. Bxe2 Bxg3 39. Bc4 Bf2 40. Ra1 Kg7 41. Rxa5 Rc1+ 42. Kh2 Bg1+ 43. Kg3 Rc3+ 44. Kg4 f5+ 45. Kh4 Bf2+ 46. g3 Bxg3# 0-1

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2016.06.17"]
[Round "2"]
[White "Vos, Tjark"]
[Black "Beerdsen, Thomas"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2154"]
[BlackElo "2396"]
[PlyCount "74"]
[EventDate "2016.06.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 d6 6. Be3 Nf6 7. g4 e5 8. Nf5 h5 9. g5 Nxe4 10. Nxg7+ Bxg7 11. Nxe4 d5 12. Ng3 e4 13. c3 Nc6 14. Nxh5 Be5 15. Bg2 Be6 16. f4 exf3 17. Qxf3 d4 18. Bf4 dxc3 19. Bxe5 Qd2+ 20. Kf1 Rxh5 21. Bxc3 Qxg5 22. Re1 0-0-0 23. Re5 Qxe5 24. Bxe5 Rxe5 25. Bh3 f5 26. Rg1 Bc4+ 27. Kf2 Rd2+ 28. Kg3 Rd3 29. Rc1 Rxf3+ 30. Kxf3 Bxa2 31. Kf4 Re2 32. Bxf5+ Kb8 33. Rc2 Re1 34. Rg2 Ne7 35. Bd3 Nd5+ 36. Kg5 Re5+ 37. Kh6 Nf4 0-1

[Event "NED-ch U18"]
[Site "Rotterdam"]
[Date "2016.05.07"]
[Round "9"]
[White "Vos, Tjark"]
[Black "Lai, Hing Ting"]
[Result "1/2-1/2"]
[ECO "E35"]
[WhiteElo "2130"]
[BlackElo "2320"]
[PlyCount "31"]
[EventDate "2016.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. Nf3 d5 6. cxd5 exd5 7. Bg5 h6 8. Bh4 Nbd7 9. e3 c5 10. dxc5 Qa5 11. Bd3 Ne4 12. 0-0 Bxc3 13. bxc3 Ndxc5 14. c4 Nxd3 15. Qxd3 Be6 16. cxd5 1/2-1/2

[Event "NED-ch U18"]
[Site "Rotterdam"]
[Date "2016.05.06"]
[Round "8"]
[White "Tikranian, Alik"]
[Black "Vos, Tjark"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2153"]
[BlackElo "2130"]
[PlyCount "106"]
[EventDate "2016.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 Be7 4. Bg2 d5 5. b3 c5 6. Bb2 d4 7. 0-0 Nc6 8. e3 e5 9. exd4 cxd4 10. d3 0-0 11. a3 a5 12. Nbd2 Bf5 13. Qe2 Nd7 14. Ne1 Re8 15. Be4 Bxe4 16. dxe4 Nc5 17. Nd3 Qc7 18. Nxc5 Bxc5 19. Nf3 Qb6 20. Qc2 Bf8 21. Kg2 Nb8 22. Ne1 Nd7 23. Nd3 Rac8 24. f3 Qa6 25. a4 g6 26. Rab1 f5 27. Qe2 Qb6 28. Qc2 Qc6 29. Qe2 Re6 30. Rbe1 Rce8 31. Bc1 Qc7 32. Bd2 Nc5 33. Nxc5 Bxc5 34. Qd3 Rf8 35. Bh6 Rf7 36. Bd2 Qb6 37. Rd1 Bb4 38. Bh6 Qc6 39. Bc1 Kg7 40. Bg5 h6 41. Bc1 Ref6 42. Bb2 Bc5 43. Rde1 Bb4 44. Rd1 Qd6 45. Ra1 Kh7 46. Kg1 Qf8 47. Kg2 Kg8 48. Qe2 g5 49. h3 d3 50. Qxd3 Rd6 51. Qe3 f4 52. Qc1 Rd2+ 53. Kg1 fxg3 0-1

[Event "NED-ch U18"]
[Site "Rotterdam"]
[Date "2016.05.05"]
[Round "7"]
[White "Vos, Tjark"]
[Black "Kevlishvili, Robby"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2130"]
[BlackElo "2375"]
[PlyCount "68"]
[EventDate "2016.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. 0-0 Bd7 5. Re1 a6 6. Bc4 Nf6 7. c3 b5 8. Bf1 Bg4 9. a4 Rb8 10. Na3 b4 11. Nc4 e6 12. Ne3 Bxf3 13. Qxf3 Ne5 14. Qd1 Nxe4 15. Bxa6 Be7 16. d4 Nd7 17. Qg4 bxc3 18. bxc3 Ndf6 19. Qxg7 Rg8 20. Qh6 cxd4 21. Nc4 Nxc3 22. Bd2 Qc7 23. Bxc3 Qc6 24. g3 Qxa6 25. Bxd4 Qxc4 26. Bxf6 Rg6 27. Qxh7 Bxf6 28. Rac1 Qd3 29. Qh5 Bd4 30. Rcd1 Bxf2+ 31. Kxf2 Rb2+ 32. Re2 Rf6+ 33. Ke1 Qc3+ 34. Red2 Qe3+ 0-1

[Event "NED-ch U18"]
[Site "Rotterdam"]
[Date "2016.05.04"]
[Round "6"]
[White "Schoppen, Casper"]
[Black "Vos, Tjark"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2309"]
[BlackElo "2130"]
[PlyCount "90"]
[EventDate "2016.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 Nf6 5. Bg2 Be7 6. 0-0 0-0 7. Re1 d5 8. e5 Nd7 9. Qe2 b5 10. c3 a5 11. Nbd2 Nb6 12. h4 f5 13. exf6 Bxf6 14. Nb3 Na4 15. Bf4 b4 16. Ne5 Nxe5 17. Bxe5 bxc3 18. bxc3 Nxc3 19. Qc2 Na4 20. Nxc5 Nxc5 21. Qxc5 Bd7 22. Qd4 Rb8 23. Rab1 Rxb1 24. Rxb1 Qc7 25. Bxf6 gxf6 26. h5 Kf7 27. Qe3 Rb8 28. Rc1 Qe5 29. Qa7 Ke8 30. d4 Qd6 31. Qxa5 Qb4 32. Qa7 Rb7 33. Qa6 Qb5 34. Qd6 Qd3 35. Qf4 Rb4 36. Qxf6 Qxd4 37. Qf3 Rb2 38. a3 Ra2 39. Re1 Ke7 40. Bh3 Qf6 41. Re3 d4 42. Qxf6+ Kxf6 43. Rd3 Ke5 44. Bg2 Ra1+ 45. Kh2 Ra2 1/2-1/2

[Event "NED-ch U18"]
[Site "Rotterdam"]
[Date "2016.05.03"]
[Round "5"]
[White "Schilstra, Laurens"]
[Black "Vos, Tjark"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1978"]
[BlackElo "2130"]
[PlyCount "52"]
[EventDate "2016.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. c3 d5 6. Nd2 c5 7. exd5 exd5 8. Ngf3 Nc6 9. dxc5 Bxc5 10. Nb3 Bb6 11. h3 0-0 12. Be2 Qg6 13. Kf1 Re8 14. Bd3 Qf6 15. g3 Ne5 16. Be2 Nc4 17. Bxc4 dxc4 18. Nbd4 Bc5 19. Qa4 Be6 20. Qb5 Rac8 21. Kg1 Bd5 22. Kg2 a6 23. Qd7 Rcd8 24. Qg4 Re4 25. Qh5 g6 26. Qxh6 Rxd4 0-1

[Event "NED-ch U18"]
[Site "Rotterdam"]
[Date "2016.05.02"]
[Round "4"]
[White "Vos, Tjark"]
[Black "Warmerdam, Max"]
[Result "0-1"]
[ECO "C58"]
[WhiteElo "2130"]
[BlackElo "2361"]
[PlyCount "54"]
[EventDate "2016.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 9. Nf3 Bd6 10. 0-0 Nf4 11. Re1 Nxd3 12. cxd3 0-0 13. Nxe5 Re8 14. Nc4 Nxc4 15. dxc4 Bg4 16. Rxe8+ Qxe8 17. f3 Qe5 18. g3 Qd4+ 19. Kg2 Bf5 20. Nc3 Re8 21. b4 Bxb4 22. Bb2 Qd3 23. g4 Bg6 24. Rc1 h5 25. h3 h4 26. Ba1 Ba3 27. Rb1 Qd6 0-1

[Event "NED-ch U18"]
[Site "Rotterdam"]
[Date "2016.05.01"]
[Round "3"]
[White "Vos, Tjark"]
[Black "Beerdsen, Thomas"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2130"]
[BlackElo "2356"]
[PlyCount "64"]
[EventDate "2016.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. c4 Nf6 8. Bg5 e6 9. e5 dxe5 10. Nxe5 Qa5+ 11. Nc3 Bc5 12. Qf4 Bd6 13. c5 Qxc5 14. Bxf6 gxf6 15. Nxd7 Qxc3+ 16. bxc3 Bxf4 17. Nxf6+ Ke7 18. Ne4 Rac8 19. Rb1 b5 20. Rb3 Rc4 21. Rb4 Rhc8 22. 0-0 a5 23. Rxc4 Rxc4 24. Ng3 Bxg3 25. hxg3 Rxc3 26. Rb1 b4 27. Rb2 Rc1+ 28. Kh2 h5 29. f3 Kf6 30. g4 hxg4 31. fxg4 Kg5 32. Kh3 Rh1+ 0-1

[Event "NED-ch U18"]
[Site "Rotterdam"]
[Date "2016.04.30"]
[Round "2"]
[White "Kazarian, Anna Maja"]
[Black "Vos, Tjark"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "2320"]
[BlackElo "2130"]
[PlyCount "108"]
[EventDate "2016.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 Bb4 7. Nxc6 bxc6 8. Bd3 e5 9. Be3 0-0 10. 0-0 d6 11. Qa4 Bxc3 12. bxc3 Qc7 13. f3 Be6 14. Qc2 c5 15. Rfd1 Nd7 16. Rab1 Nb6 17. Qe2 Qc6 18. Rb5 Qc8 19. Ra5 f6 20. Qc2 Qc7 21. Qb3 Kh8 22. Rb5 Bd7 23. Bc2 Bxb5 24. cxb5 a6 25. c4 Rfd8 26. Bd2 axb5 27. Qxb5 Nd7 28. Qb2 Nb8 29. Bc3 Nc6 30. Rd5 Rdb8 31. Bb3 Nd4 32. Bxd4 cxd4 33. Qd2 Ra6 34. h3 Rba8 35. Rb5 Ra5 36. Rxa5 Qxa5 37. Qxa5 Rxa5 38. Kf2 g6 39. Ke2 Kg7 40. Kd3 Kf8 41. h4 Ke7 42. Kc2 Kd7 43. Kd2 Kc6 44. Kc2 Kc5 45. Kd3 Kb4 46. Kc2 h6 47. Kd3 f5 48. exf5 gxf5 49. g4 fxg4 50. fxg4 Ra8 51. Ke4 Rf8 52. g5 hxg5 53. hxg5 Kc5 54. g6 Rf4+ 0-1

[Event "NED-ch U18"]
[Site "Rotterdam"]
[Date "2016.04.29"]
[Round "1"]
[White "Vos, Tjark"]
[Black "Van der Werf, Joel"]
[Result "1-0"]
[ECO "B94"]
[WhiteElo "2130"]
[BlackElo "1702"]
[PlyCount "77"]
[EventDate "2016.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 Qb6 8. Bb3 e6 9. Qd2 Be7 10. 0-0-0 0-0 11. g4 Nc5 12. f3 Qc7 13. h4 b5 14. Kb1 Bd7 15. Bxf6 Bxf6 16. g5 Be7 17. h5 b4 18. Nce2 a5 19. g6 a4 20. h6 fxg6 21. hxg7 Rf7 22. Rxh7 Rxg7 23. Rxg7+ Kxg7 24. Bc4 Nxe4 25. Qxb4 Rb8 26. Bb5 Nc5 27. Nf4 Qb7 28. c4 Bf6 29. Qd2 e5 30. Nd5 exd4 31. Nxf6 Bf5+ 32. Ne4 Nxe4 33. fxe4 Qxe4+ 34. Ka1 d3 35. Re1 Qd4 36. Bxa4 Qxc4 37. Bb3 Qc7 38. Qg5 Rb7 39. Re8 1-0

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2015.07.14"]
[Round "4"]
[White "Vos, Tjark"]
[Black "Hachijan, Armen"]
[Result "0-1"]
[ECO "B54"]
[WhiteElo "2111"]
[BlackElo "2338"]
[PlyCount "64"]
[EventDate "2015.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 d6 6. g3 b5 7. Bg2 Bb7 8. 0-0 Ne7 9. Re1 Nbc6 10. Bg5 h6 11. Ndxb5 axb5 12. Nxb5 hxg5 13. Nxd6+ Qxd6 14. Qxd6 Nd5 15. exd5 Bxd6 16. dxc6 Ba6 17. c3 Ke7 18. a4 Ra7 19. b4 Rha8 20. Rad1 Bc8 21. b5 Bc5 22. Rd5 Bb6 23. c4 Rxa4 24. c5 Ra1 25. Rdd1 Rxd1 26. Rxd1 Bxc5 27. Rc1 Bb6 28. c7 Ra5 29. Bf1 Kd7 30. Bg2 Bxc7 31. Bc6+ Kd8 32. Kg2 Ra2 0-1

[Event "Amsterdam Science Park op-A"]
[Site "Amsterdam"]
[Date "2015.07.11"]
[Round "1"]
[White "Blees, Albert"]
[Black "Vos, Tjark"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2380"]
[BlackElo "2111"]
[PlyCount "73"]
[EventDate "2015.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 167 Extra"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Re1 Be7 12. Be3 0-0 13. Qf3 Qc7 14. Bb3 Bd7 15. Rad1 Bd6 16. Kh1 Bxh2 17. g3 e5 18. Nf5 Bc6 19. Rd5 e4 20. Qf4 Nxd5 21. Bxd5 Qxf4 22. Bxf4 Bxd5 23. Ne7+ Kh8 24. Nxd5 Bxg3 25. Bxg3 f5 26. c4 g5 27. Be5+ Kg8 28. Re3 h6 29. Rb3 Rf7 30. Rb6 Kh7 31. Nf6+ Kg6 32. Nxe4+ Kh5 33. Ng3+ Kg4 34. Kg2 Rh7 35. f3+ Kh4 36. Nxf5+ Kh5 37. Kh3 1-0

[Event "NED-ch U21"]
[Site "Rotterdam"]
[Date "2015.05.09"]
[Round "9"]
[White "Vos, Tjark"]
[Black "Ratsma, Rosa"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2110"]
[BlackElo "2097"]
[PlyCount "73"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2 Nbd7 9. g4 b4 10. Nce2 h6 11. 0-0-0 Qc7 12. h4 Ne5 13. Nf4 Rb8 14. Kb1 Be7 15. Qg2 Nc4 16. Bxc4 Qxc4 17. g5 Nd7 18. gxh6 gxh6 19. Ndxe6 Nf6 20. Ng7+ Kf8 21. Nd5 Nxd5 22. Rxd5 Bf6 23. Nh5 Bc3 24. bxc3 bxc3+ 25. Ka1 Be6 26. Qg7+ Ke7 27. Qf6+ Kd7 28. Bf4 Rhe8 29. Rxd6+ Kc8 30. Rxe6 fxe6 31. Bxb8 Kxb8 32. Rb1+ Ka8 33. Nf4 Rb8 34. Rxb8+ Kxb8 35. Nd3 Kb7 36. Qxh6 Qd4 37. h5 1-0

[Event "NED-ch U21"]
[Site "Rotterdam"]
[Date "2015.05.08"]
[Round "8"]
[White "Gutkind, Kedem"]
[Black "Vos, Tjark"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2005"]
[BlackElo "2110"]
[PlyCount "36"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 a6 5. Bxd7+ Bxd7 6. d4 cxd4 7. Qxd4 Nf6 8. Nc3 g6 9. Nd5 Bg7 10. Bg5 0-0 11. Nxf6+ exf6 12. Bh4 g5 13. Qxd6 gxh4 14. Nxh4 f5 15. exf5 Bb5 16. Qxd8 Raxd8 17. Rfb1 Rd2 18. c3 Bc6 0-1

[Event "Rotterdam Pathena op"]
[Site "Rotterdam"]
[Date "2015.05.08"]
[Round "7"]
[White "Koopman, Richard"]
[Black "Vos, Tjark"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1730"]
[BlackElo "2141"]
[PlyCount "95"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 a6 5. Nf3 b5 6. Bd3 Bb7 7. Be3 Nd7 8. e5 Nh6 9. Be4 Bxe4 10. Nxe4 0-0 11. 0-0 d5 12. Neg5 e6 13. a4 c6 14. Qd3 Nb6 15. axb5 axb5 16. b3 Qd7 17. Nd2 Ng4 18. Ngf3 Rfc8 19. h3 Nxe3 20. Qxe3 Bf8 21. Rfc1 c5 22. Kh2 Qc7 23. Qe2 Qc6 24. c3 c4 25. bxc4 Nxc4 26. Nxc4 bxc4 27. Qc2 Rcb8 28. Rxa8 Qxa8 29. Rb1 Rxb1 30. Qxb1 Qa3 31. Qc2 Be7 32. Kg3 Bd8 33. Ng1 Qa1 34. Kh2 Qe1 35. Ne2 Bh4 36. Qb2 Qf2 37. Kh1 Bg3 38. Qb8+ Kg7 39. Nxg3 Qxg3 40. Qb2 Qxf4 41. Qe2 Qc1+ 42. Kh2 Qxc3 43. Qf2 Qb4 44. Qf6+ Kg8 45. Qd8+ Qf8 46. Qf6 c3 47. Qf3 Qb4 48. Qf6 0-1

[Event "Rotterdam Pathena op"]
[Site "Rotterdam"]
[Date "2015.05.07"]
[Round "6"]
[White "Vos, Tjark"]
[Black "Van Assendelft, Floris"]
[Result "0-1"]
[ECO "B54"]
[WhiteElo "2141"]
[BlackElo "2353"]
[PlyCount "76"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 d6 6. g3 b5 7. Bg2 Bb7 8. 0-0 Nd7 9. Re1 Be7 10. a4 b4 11. Na2 Qb6 12. Be3 Nc5 13. c3 b3 14. Nc1 Qc7 15. f3 d5 16. exd5 Bxd5 17. Ncxb3 Nxb3 18. Nxb3 Rb8 19. Nc1 Rxb2 20. Bd4 Nf6 21. c4 Rb4 22. Bxf6 Bxf6 23. Na2 Rxc4 24. Qxd5 0-0 25. Qd3 Rxa4 26. Nc3 Rd8 27. Qxd8+ Qxd8 28. Rxa4 Bxc3 29. Rc1 Qb6+ 30. Kh1 g6 31. h4 Qf2 32. Kh2 Be1 33. Rg4 h5 34. Rg5 f6 35. Rc8+ Kg7 36. Rc7+ Kh6 37. f4 e5 38. Rf7 exf4 0-1

[Event "NED-ch U21"]
[Site "Rotterdam"]
[Date "2015.05.07"]
[Round "7"]
[White "Vos, Tjark"]
[Black "Van Meegen, Ruud"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "2110"]
[BlackElo "2151"]
[PlyCount "75"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 c5 2. e4 cxd4 3. Nf3 Nc6 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 8. Be2 Bg7 9. Bg5 0-0 10. Qd2 a5 11. 0-0 a4 12. Rab1 Qa5 13. Rfc1 Be6 14. b3 axb3 15. axb3 Rfc8 16. f3 Qb4 17. Kh1 Ra3 18. Qc2 Qc5 19. Bd2 Raa8 20. Qd3 Nd7 21. f4 Qd4 22. Qc2 f5 23. Bf3 fxe4 24. Qxe4 Nc5 25. Qxd4 Bxd4 26. Nb5 Bf6 27. Be3 Bf5 28. b4 Bxb1 29. Rxb1 Nd3 30. Bxb7 Rcb8 31. Bxa8 Rxa8 32. Nc7 Rc8 33. Nd5 Kf7 34. b5 Nc5 35. Bxc5 dxc5 36. b6 Rb8 37. b7 Ke8 38. Nc7+ 1-0

[Event "Rotterdam Pathena op"]
[Site "Rotterdam"]
[Date "2015.05.06"]
[Round "5"]
[White "Evengroen, Bernard"]
[Black "Vos, Tjark"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1826"]
[BlackElo "2141"]
[PlyCount "78"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. Be3 Bb4 8. 0-0 Bxc3 9. bxc3 Nxe4 10. c4 Nc3 11. Qd3 Nxe2+ 12. Nxe2 0-0 13. Bf4 Qd8 14. Nc3 Nc6 15. Bd6 Re8 16. Rfe1 b6 17. Rab1 Bb7 18. Re3 Rc8 19. Rh3 f5 20. Na4 Na5 21. Nxb6 Be4 22. Qc3 Nxc4 23. Nxc4 Bd5 24. Rg3 g6 25. Qd2 Bxc4 26. Be5 d6 27. Bc3 e5 28. Bb4 d5 29. Ra3 Rb8 30. Qe1 Qb6 31. c3 f4 32. Ra5 Qf6 33. Qd2 Qf5 34. Re1 f3 35. gxf3 Qxf3 36. Re3 Qf7 37. Qe1 Qf5 38. a3 Rb7 39. Bd6 Rb1 0-1

[Event "NED-ch U21"]
[Site "Rotterdam"]
[Date "2015.05.06"]
[Round "6"]
[White "Vos, Tjark"]
[Black "Senders, Justin"]
[Result "1-0"]
[ECO "E99"]
[WhiteElo "2110"]
[BlackElo "1986"]
[PlyCount "63"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. a4 Ng6 14. a5 Rf7 15. c5 Nf6 16. cxd6 cxd6 17. Nb5 g4 18. Nxa7 Rxa7 19. Bxa7 g3 20. Bb6 Qe7 21. Rc1 Bd7 22. Rc7 gxh2+ 23. Kh1 Nh5 24. Bf2 Qg5 25. Rxb7 Nh4 26. a6 Nxg2 27. Rxd7 Ne3 28. Rxf7 Ng3+ 29. Bxg3 Qxg3 30. a7 Kxf7 31. a8Q Nxf1 32. Qa7+ 1-0

[Event "Rotterdam Pathena op"]
[Site "Rotterdam"]
[Date "2015.05.05"]
[Round "4"]
[White "Evengroen, Henk Jan"]
[Black "Vos, Tjark"]
[Result "1/2-1/2"]
[ECO "E59"]
[WhiteElo "2204"]
[BlackElo "2141"]
[PlyCount "79"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. Nf3 c5 7. 0-0 Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7 11. Qe2 e5 12. e4 cxd4 13. cxd4 Bg4 14. d5 Nd4 15. Qd3 Nxf3+ 16. gxf3 Bxf3 17. Qxf3 Qxc4 18. Re1 Nd7 19. Qf5 Rad8 20. Bg5 f6 21. Be3 Nc5 22. Bxc5 Qxc5 23. Rec1 Qe7 24. Rc3 Rd6 25. Rac1 g6 26. Qh3 f5 27. Rc8 Rxc8 28. Rxc8+ Kg7 29. Qc3 Rd7 30. f4 fxe4 31. fxe5 Qg5+ 32. Kh1 Rxd5 33. Rc7+ Kf8 34. Qb4+ Ke8 35. Rc8+ Rd8 36. Qb5+ Kf8 37. Qc5+ Ke8 38. Qb5+ Kf8 39. Qc5+ Ke8 40. Qb5+ 1/2-1/2

[Event "NED-ch U21"]
[Site "Rotterdam"]
[Date "2015.05.05"]
[Round "5"]
[White "Van Hoorn, Frank"]
[Black "Vos, Tjark"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1817"]
[BlackElo "2110"]
[PlyCount "57"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. c4 e6 6. Nc3 Ne7 7. Bg5 Nd7 8. cxd5 cxd5 9. Nb5 Qa5+ 10. Bd2 Qb6 11. Nd6+ Kd8 12. Nxf7+ Ke8 13. Nxh8 Qxd4 14. Bc3 Qxd1+ 15. Rxd1 g6 16. Bb5 Nc6 17. f4 Bg7 18. Nxg6 Bxg6 19. Bd3 Bxd3 20. Rxd3 Ne7 21. Ne2 Bh6 22. Bd2 Nc5 23. Rf3 Ne4 24. Ng3 Nxd2 25. Kxd2 Ng6 26. Nxh5 Nxe5 27. Rg3 Kf7 28. Ke2 Ng6 29. Rc1 1-0

[Event "Rotterdam Pathena op"]
[Site "Rotterdam"]
[Date "2015.05.04"]
[Round "3"]
[White "Vos, Tjark"]
[Black "Tate, Emory"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "2141"]
[BlackElo "2300"]
[PlyCount "52"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 b6 4. exd5 exd5 5. Ngf3 Bd6 6. Bd3 Ne7 7. 0-0 0-0 8. Re1 c5 9. b3 Nbc6 10. dxc5 bxc5 11. a3 a5 12. c4 d4 13. Ne4 a4 14. bxa4 h6 15. Nfd2 f5 16. Nxd6 Qxd6 17. Nb3 Bd7 18. Bd2 Ne5 19. Bf4 N7g6 20. Bxe5 Nxe5 21. a5 Ng4 22. g3 f4 23. Ra2 Rab8 24. Nc1 h5 25. Be2 fxg3 26. fxg3 Nf2 0-1

[Event "NED-ch U21"]
[Site "Rotterdam"]
[Date "2015.05.04"]
[Round "4"]
[White "Vos, Tjark"]
[Black "Zoun, Rogier"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2110"]
[PlyCount "92"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. 0-0 0-0 7. h3 c6 8. a4 Qc7 9. Be3 Nb6 10. Bb3 h6 11. a5 Nbd7 12. Nh4 exd4 13. Bxd4 c5 14. Be3 Ne5 15. f4 Nc6 16. Ng6 Rd8 17. Nb5 Qd7 18. e5 Ne8 19. exd6 Nxd6 20. Nxe7+ Qxe7 21. Bxc5 Nxb5 22. Bxe7 Rxd1 23. Raxd1 Nxe7 24. Rd8+ Kh7 25. Bxf7 Nc7 26. Re1 Nc6 27. Bg8+ Kh8 28. Rf8 Bd7 29. Rxa8 Nxa8 30. a6 Kxg8 31. axb7 Nc7 32. b4 Kf7 33. Ra1 a6 34. b5 Nb8 35. bxa6 Ncxa6 36. g4 Bc6 37. Kf2 Nc5 38. Ra8 Nca6 39. Ra7 Ke6 40. h4 Kd6 41. h5 Be8 42. Kg3 Kc6 43. Kh4 Kb6 44. Rxa6+ Kxa6 45. g5 Kxb7 46. f5 Nd7 0-1

[Event "NED-ch U21"]
[Site "Rotterdam"]
[Date "2015.05.03"]
[Round "2"]
[White "Vos, Tjark"]
[Black "Beerdsen, Thomas"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2110"]
[BlackElo "2291"]
[PlyCount "94"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. 0-0 Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. h3 Bxf3 9. Qxf3 g6 10. d3 Bg7 11. Qd1 0-0 12. Nd2 b5 13. Nf3 Nd7 14. d4 b4 15. Be3 Qa5 16. Qd3 Rfc8 17. Nd2 bxc3 18. Nc4 Qd8 19. bxc3 cxd4 20. cxd4 d5 21. exd5 Nb4 22. Qd2 Nxd5 23. Rac1 Nf8 24. Na5 Rxc1 25. Rxc1 Ne6 26. Rc6 Nxe3 27. fxe3 Bh6 28. Nb3 a5 29. Bc4 Ng7 30. g4 e6 31. Kg2 Qd7 32. Rc5 Qb7+ 33. d5 a4 34. Nd4 a3 35. Rb5 Qc7 36. Bb3 e5 37. Nc6 Ne8 38. Qc3 Nd6 39. Rb4 Re8 40. Qc5 Bf8 41. Ra4 Nf5 42. Qc3 Nh4+ 43. Kh1 e4 44. d6 Qxd6 45. Ra7 Re6 46. Bxe6 Qd1+ 47. Kh2 Bd6+ 0-1

[Event "Rotterdam Pathena op"]
[Site "Rotterdam"]
[Date "2015.05.03"]
[Round "2"]
[White "Vos, Tjark"]
[Black "Gortemaker, Lucas"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2141"]
[BlackElo "1816"]
[PlyCount "77"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. 0-0-0 Be7 13. Kb1 0-0 14. Ne4 Nxe4 15. Qxe4 Nf6 16. Qe2 Qd5 17. Be3 Ng4 18. Bc1 b5 19. Ne5 Nxe5 20. dxe5 Qc4 21. Qxc4 bxc4 22. Be3 Rfd8 23. Rxd8+ Bxd8 24. Kc1 Bb6 25. Rh4 Bxe3+ 26. fxe3 c3 27. b3 Rd8 28. Rc4 Rd5 29. Rxc6 Rxe5 30. Rxc3 Rxh5 31. Rc8+ Kh7 32. Rc7 Kg6 33. Rxa7 Re5 34. a4 Rxe3 35. a5 Re1+ 36. Kb2 Rd1 37. b4 Rd5 38. a6 Rb5 39. Rb7 1-0

[Event "NED-ch U21"]
[Site "Rotterdam"]
[Date "2015.05.03"]
[Round "3"]
[White "Zevenhuizen, Daniel"]
[Black "Vos, Tjark"]
[Result "1/2-1/2"]
[ECO "E65"]
[WhiteElo "1959"]
[BlackElo "2110"]
[PlyCount "39"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. Nc3 d6 4. g3 Nf6 5. Bg2 0-0 6. 0-0 c5 7. d4 cxd4 8. Nxd4 a6 9. h3 Qc7 10. b3 Nc6 11. Bb2 Nxd4 12. Qxd4 Be6 13. Nd5 Qd8 14. Rfd1 Re8 15. Rac1 Bxd5 16. Bxd5 Rb8 17. Bg2 Qa5 18. Qc3 Qh5 19. Qf3 Qa5 20. Qc3 1/2-1/2

[Event "Rotterdam Pathena op"]
[Site "Rotterdam"]
[Date "2015.05.02"]
[Round "1"]
[White "Leentvaar, Peter"]
[Black "Vos, Tjark"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1505"]
[BlackElo "2141"]
[PlyCount "62"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Nf6 7. Bd3 Bb4 8. Bd2 d5 9. Qe2 dxe4 10. Nxe4 Bxd2+ 11. Nxd2 0-0 12. Ne4 Nbd7 13. 0-0 Nd5 14. g3 Ne5 15. Ng5 Nxd3 16. Qxd3 Nf6 17. Rfe1 b6 18. Rac1 Bb7 19. Qc3 Qxc3 20. bxc3 h6 21. Ngf3 Rac8 22. Ne5 Rxc3 23. Rb1 Nd5 24. Rb3 Rfc8 25. a3 b5 26. Kf1 Nb6 27. Re3 R3c7 28. Rbd3 Bd5 29. Re2 f6 30. Ng4 e5 31. Nf3 Bc4 0-1

[Event "NED-ch U21"]
[Site "Rotterdam"]
[Date "2015.05.02"]
[Round "1"]
[White "Van der Werf, Joel"]
[Black "Vos, Tjark"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2110"]
[PlyCount "96"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 exd5 5. d4 Nc6 6. Bb5 a6 7. Bxc6+ bxc6 8. 0-0 Bd6 9. Be3 c4 10. Re1 Ne7 11. Nbd2 0-0 12. Nf1 Ng6 13. b3 cxb3 14. axb3 h6 15. h3 Bf5 16. Ng3 Be6 17. Qc2 Qd7 18. Qd2 Kh7 19. Nh5 Bxh3 20. Bxh6 Qg4 21. Qg5 Qxg2+ 22. Qxg2 Bxg2 23. Bxg7 Bxf3 24. Bxf8 Bxf8 25. Nf6+ Kh8 26. Re3 Nh4 27. Kh2 Bh6 28. Re8+ Rxe8 29. Nxe8 Be2 30. Kh3 Nf3 31. Kg3 Kh7 32. Ra2 Nd2 33. Nc7 Ne4+ 34. Kg2 Bd3 35. c4 dxc4 36. bxc4 Bxc4 37. Rc2 Nd6 38. Kg1 Bf8 39. Ne8 Bb5 40. Nc7 a5 41. d5 cxd5 42. Nxd5 a4 43. f4 a3 44. Rg2 Bg7 45. Nb4 Bc4 46. Kh2 Bc3 47. Na2 Bxa2 48. Rxa2 Bb2 0-1

[Event "Leiden Noteboom Memorial 75th"]
[Site "Leiden"]
[Date "2015.02.14"]
[Round "2"]
[White "Vos, Tjark"]
[Black "Van den Doel, Erik"]
[Result "0-1"]
[ECO "C92"]
[WhiteElo "2136"]
[BlackElo "2563"]
[PlyCount "59"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 a5 10. a4 b4 11. d4 bxc3 12. Nxc3 Nxd4 13. Nxd4 exd4 14. Qxd4 Rb8 15. Bc4 Nd7 16. Nd5 Bh4 17. Bf4 Nb6 18. Nxb6 Rxb6 19. Rad1 Be6 20. Bb5 Bf6 21. e5 dxe5 22. Qxd8 Rxd8 23. Bxe5 Rxd1 24. Rxd1 c6 25. Bxf6 gxf6 26. Rd6 Bd5 27. g4 Kf8 28. Rxf6 Be6 29. Bd3 Rxb2 30. Rh6 0-1

[Event "Groningen op 52nd"]
[Site "Groningen"]
[Date "2014.12.29"]
[Round "8"]
[White "Vos, Tjark"]
[Black "Patzenhauer, Max"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2173"]
[BlackElo "2000"]
[PlyCount "63"]
[EventDate "2014.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Nbd7 6. Nxf6+ Nxf6 7. Nf3 Be7 8. Bd3 Bd7 9. Ne5 c5 10. dxc5 Qa5+ 11. c3 Ba4 12. Nc4 Qxc5 13. Qxa4+ b5 14. Nd6+ Bxd6 15. Bxb5+ Ke7 16. Be3 Qe5 17. 0-0-0 Nd5 18. Bd4 Qf5 19. g3 Rab8 20. Qxa7+ Nc7 21. Bd3 Qh5 22. Bc4 Ra8 23. Qb6 Rhb8 24. Bf6+ Kxf6 25. Qxd6 Nb5 26. Qf4+ Ke7 27. Rhe1 Qc5 28. Rd5 Qc6 29. Qg5+ Kf8 30. Rc5 Qb6 31. Rxb5 Qxf2 32. Qc5+ 1-0

