[Event "Hoogeveen Amateurs op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.22"]
[Round "7.7"]
[White "Huiskes, Mathijs"]
[Black "Rookus, Sjoerd"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1708"]
[BlackElo "1857"]
[PlyCount "84"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 g6 4. d4 cxd4 5. cxd4 d5 6. e5 Bg4 7. Be2 Nc6 8. 0-0 Bg7 9. Nbd2 e6 10. Re1 h5 11. Nb3 Nh6 12. Be3 0-0 13. Nc5 Qe7 14. Bg5 Qc7 15. Rc1 Nf5 16. Be3 Rfc8 17. Qd2 Bf8 18. Red1 Qe7 19. Bg5 Qe8 20. Be3 Kh7 21. Kh1 Bxf3 22. Bxf3 Nxe3 23. fxe3 Nxe5 24. Nd3 Nc4 25. Qe2 Bh6 26. Nf4 Bxf4 27. exf4 Qh8 28. f5 Qf6 29. Rc3 Qxf5 30. g4 hxg4 31. Bxg4 Qe4+ 32. Qxe4 dxe4 33. Rdc1 Nd6 34. Rc7 Kh6 35. d5 Rxc7 36. Rxc7 f5 37. dxe6 fxg4 38. e7 Re8 39. Kg2 Nf5 40. Rxb7 Rxe7 41. Rb6 e3 42. Kf1 Nd4 0-1

[Event "Hoogeveen Amateurs op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.21"]
[Round "6.5"]
[White "Rookus, Sjoerd"]
[Black "Muller, Kenneth"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "1857"]
[BlackElo "1857"]
[PlyCount "28"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 Nxd4 9. Qxd4 d5 10. exd6 Qxd6 11. Qe4+ Qe6 12. Qd4 Qd6 13. Qe4+ Qe6 14. Qd4 Qd6 1/2-1/2

[Event "Hoogeveen Amateurs op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.20"]
[Round "5.2"]
[White "Rookus, Sjoerd"]
[Black "Bruggink, Tycho"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1857"]
[BlackElo "1827"]
[PlyCount "114"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. a3 c5 2. Nf3 Nf6 3. e3 d5 4. c4 Bg4 5. cxd5 Qxd5 6. Bb5+ Nc6 7. Nc3 Qh5 8. 0-0 e6 9. h3 Bxf3 10. Qxf3 Qxf3 11. gxf3 Be7 12. Rd1 0-0 13. Bxc6 bxc6 14. d4 Rfd8 15. Ne2 Rd7 16. Bd2 Rad8 17. Ba5 Rb8 18. Bc3 Rbd8 19. e4 cxd4 20. Rxd4 Bc5 21. Rxd7 Rxd7 22. Rc1 Bb6 23. Bb4 c5 24. Bxc5 Bxc5 25. Rxc5 Kf8 26. Nc3 Ke7 27. Kf1 Kd6 28. Rg5 Ne8 29. Ra5 Kc6 30. Ke2 Rb7 31. b4 Nd6 32. Rc5+ Kd7 33. Kd3 Nc8 34. Kc4 Nb6+ 35. Kb3 Kd8 36. a4 Rd7 37. a5 Nc8 38. Nb1 Rd1 39. Na3 Rh1 40. Rh5 Rh2 41. Rxh7 Rxf2 42. Rxg7 Rxf3+ 43. Ka4 Nd6 44. Nb5 Nxe4 45. Nxa7 Nc3+ 46. Kb3 Nb5+ 47. Kc4 Nxa7 48. b5 Rf4+ 49. Kc5 Rf5+ 50. Kb6 Nxb5 51. a6 Nc7 52. a7 Kd7 53. a8Q Nxa8+ 54. Kb7 Nc7 55. h4 Rb5+ 56. Ka7 Kc6 57. Rxf7 Rb7# 0-1

[Event "Hoogeveen Amateurs op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.18"]
[Round "4.3"]
[White "Stallinga, Robert Mark"]
[Black "Rookus, Sjoerd"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1886"]
[BlackElo "1857"]
[PlyCount "122"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Bb4 7. 0-0 a6 8. Bg5 Nge7 9. Qe2 0-0 10. Rfd1 h6 11. Bh4 b5 12. Bb3 Qb6 13. Rac1 d6 14. a3 Bc5 15. Ba2 Ng6 16. Bg3 Nd4 17. Nxd4 Bxd4 18. Qd2 e5 19. Nd5 Qd8 20. Kh1 Be6 21. Rc6 Bxd5 22. Bxd5 Ne7 23. Bh4 Qd7 24. Bxe7 Qxe7 25. Rdc1 Ra7 26. Qb4 Bc5 27. Qa5 Qg5 28. Qc3 a5 29. f3 b4 30. axb4 axb4 31. Qc2 Qe3 32. Rd1 Rb8 33. Qb3 Qxb3 34. Bxb3 Rba8 35. g4 Ra1 36. Rxa1 Rxa1+ 37. Kg2 Rb1 38. Rc8+ Kh7 39. Bxf7 Rxb2+ 40. Kh3 Be3 41. g5 Bxg5 42. Kg4 g6 43. Rc7 Bf4 44. Be8+ Kh8 45. Bxg6 b3 46. Kf5 Rc2 47. Rb7 Kg8 48. Rb8+ Kg7 49. Rb7+ Kf8 50. h4 Bg3 51. h5 b2 52. Rb8+ Ke7 53. Rb7+ Kd8 54. Bf7 Kc8 55. Rb3 Bf4 56. Ke6 Kc7 57. Kd5 Rc5+ 58. Ke6 Bc1 59. Be8 Ra5 60. Bb5 Ra3 61. Rb4 Rxf3 0-1

[Event "Hoogeveen Amateurs op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.16"]
[Round "2.6"]
[White "Rookus, Sjoerd"]
[Black "Van Hoorn, Marsel"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1857"]
[BlackElo "1711"]
[PlyCount "61"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 c6 4. f3 e6 5. e4 dxe4 6. fxe4 Bb4 7. Qd3 b6 8. Nge2 Ba6 9. Qg3 Bxe2 10. Bxe2 Nxe4 11. Qxg7 Rf8 12. 0-0 Nf6 13. Be5 Nd5 14. Ne4 Nd7 15. Bd6 Bxd6 16. Nxd6+ Ke7 17. Nxf7 Rg8 18. Qxh7 N7f6 19. Nxd8+ Nxh7 20. Nxc6+ Kd6 21. Bf3 Rac8 22. Nxa7 Rxc2 23. Rf2 Ne3 24. Nb5+ Kd7 25. Rxc2 Nxc2 26. Rc1 Ng5 27. Rxc2 Nxf3+ 28. Kh1 Ng5 29. Rc7+ Kd8 30. Rb7 Rf8 31. Rb8+ 1-0

[Event "Hoogeveen Amateurs op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.15"]
[Round "1"]
[White "Schol Grin, Anneke"]
[Black "Rookus, Sjoerd"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1583"]
[BlackElo "1857"]
[PlyCount "56"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. 0-0 c5 6. d4 Be7 7. b3 cxd4 8. Qxd4 Nc6 9. Qd1 d5 10. cxd5 exd5 11. Bb2 0-0 12. Nd4 h5 13. Nd2 Rc8 14. N2f3 Ne4 15. Nf5 Bf6 16. Bxf6 Qxf6 17. N5d4 Nc3 18. Qd2 Nxd4 19. Nxd4 Qxd4 20. Qg5 Nxe2+ 21. Kh1 Nc3 22. Qxh5 Ne4 23. Kg1 Rc2 24. Rad1 Qb2 25. Ra1 Ba6 26. Rab1 Qd4 27. Rbd1 Qb2 28. Rb1 Qf6 0-1

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2017.05.28"]
[Round "6"]
[White "Knight, David"]
[Black "Rookus, Sjoerd"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1902"]
[BlackElo "1831"]
[PlyCount "61"]
[EventDate "2017.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be7 8. Nd5 Nf6 9. Be3 Nxd5 10. exd5 Nb8 11. Be2 0-0 12. Qd2 f5 13. f4 b5 14. 0-0-0 e4 15. h3 Nd7 16. g4 Nb6 17. Kb1 Qc7 18. Qd4 Na4 19. g5 Bd7 20. h4 Rfc8 21. h5 b4 22. h6 Bf8 23. g6 bxa3 24. gxh7+ Kh8 25. hxg7+ Bxg7 26. Qxg7+ Kxg7 27. Rdg1+ Kf7 28. Bh5+ Ke7 29. Rg7+ Kd8 30. h8Q+ Be8 31. Qxe8# 1-0

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2017.05.26"]
[Round "2"]
[White "Rookus, Sjoerd"]
[Black "Mesman, Edwyn"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1831"]
[BlackElo "2060"]
[PlyCount "42"]
[EventDate "2017.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 e6 6. Nc3 Qd8 7. Nf3 Nf6 8. Bd3 Be7 9. 0-0 0-0 10. Bf4 Nc6 11. Rc1 Nb4 12. Bb1 Nbd5 13. Nxd5 Nxd5 14. Qd3 g6 15. Bh6 Re8 16. Ne5 Bf8 17. Qd2 b6 18. Bxf8 Rxf8 19. Qh6 Bb7 20. h4 Ne7 21. Rfd1 Nf5 1/2-1/2

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2016.05.08"]
[Round "6"]
[White "Rookus, Sjoerd"]
[Black "Steffens, Olaf"]
[Result "0-1"]
[ECO "B00"]
[BlackElo "2279"]
[PlyCount "44"]
[EventDate "2016.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Bd3 Nf6 5. Qe2 Bb4 6. Nf3 d5 7. e5 Ne4 8. Bd2 Nxd2 9. Nxd2 c5 10. Qg4 0-0 11. Nf3 h6 12. 0-0 Nc6 13. Ne2 c4 14. Nf4 cxd3 15. Nh5 g6 16. Nf6+ Kg7 17. Nh4 Be7 18. Nxg6 fxg6 19. Nh5+ Kh7 20. Nf4 Rxf4 21. Qxf4 Qf8 22. Qe3 dxc2 0-1

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2016.05.08"]
[Round "7"]
[White "Van Kesteren, Stef"]
[Black "Rookus, Sjoerd"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1811"]
[PlyCount "49"]
[EventDate "2016.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 Nc6 7. Be3 cxd4 8. cxd4 Qa5+ 9. Nc3 e6 10. 0-0 a6 11. h3 h5 12. Qb3 Qc7 13. hxg4 hxg4 14. Ne5 Nxe5 15. dxe5 Qxe5 16. Qa4+ Nd7 17. Qf4 Qh5 18. f3 g3 19. Qxg3 Be7 20. Qh3 Bh4 21. Qg4 Qe5 22. Qf4 Qh5 23. Qg4 Qe5 24. Qf4 Qh5 25. Qg4 1/2-1/2

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2016.05.07"]
[Round "5"]
[White "Konnen, Timo"]
[Black "Rookus, Sjoerd"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1907"]
[PlyCount "90"]
[EventDate "2016.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. Be3 e6 9. Bd3 Nbd7 10. 0-0 Be7 11. Rf2 Qc7 12. a3 0-0 13. Raf1 c5 14. Ne4 c4 15. Bf4 Qb6 16. Bxc4 Qxd4 17. Bd3 Qxb2 18. Kh1 Qxa3 19. Nxf6+ Nxf6 20. Be5 Qc5 21. Bxf6 Bxf6 22. Qe4 Qh5 23. Rxf6 gxf6 24. Rxf6 Rad8 25. Rf3 Kh8 26. Qxb7 a5 27. Qe7 Qe5 28. Rxf7 Qe1+ 29. Kh2 Qe5+ 30. g3 Rxf7 31. Qxf7 Qg7 32. Qxe6 Rf8 33. Qe3 a4 34. Bc4 Qb2 35. Qd3 a3 36. h4 a2 37. Bxa2 Qxa2 38. Qd4+ Kg8 39. Qg4+ Kf7 40. Qd7+ Kf6 41. Qd6+ Kg7 42. Qd4+ Rf6 43. Qg4+ Kh8 44. Qc8+ Qg8 45. Qc3 Qg7 0-1

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2016.05.06"]
[Round "2"]
[White "Rookus, Sjoerd"]
[Black "Radnai, Adam"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2288"]
[PlyCount "52"]
[EventDate "2016.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Nf3 Nc6 6. Bb5 Qa5 7. Bxc6 bxc6 8. Qxd4 Ba6 9. Nbd2 Nc7 10. c4 Ne6 11. Qg4 g6 12. 0-0 Bg7 13. Re1 0-0 14. h4 f5 15. exf6 exf6 16. Nb3 Qb4 17. h5 Qxc4 18. Qg3 gxh5 19. Bd2 Qg4 20. Qd6 Rf7 21. Nh2 Qg6 22. Re3 Bf8 23. Qg3 Rg7 24. Qf3 Ng5 25. Qg3 Bd6 26. f4 Bxf4 0-1

