[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2023.04.04"]
[Round "9"]
[White "Andriessen, Bart Jan"]
[Black "Bergsson, Stefan"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1966"]
[BlackElo "2192"]
[PlyCount "76"]
[EventDate "2023.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 0-0 6. Be3 c5 7. Nge2 Nc6 8. Qd2 cxd4 9. Nxd4 Nxd4 10. Bxd4 Be6 11. 0-0-0 a6 12. Kb1 b5 13. Nd5 Bxd5 14. cxd5 Nd7 15. Bxg7 Kxg7 16. h4 h6 17. h5 g5 18. f4 f6 19. g3 Qe8 20. Bh3 Nc5 21. Bf5 b4 22. Qd4 Kg8 23. Bg6 Qb5 24. e5 b3 25. a3 dxe5 26. fxe5 Nd7 27. Bd3 Qc5 28. Qe4 f5 29. Qe2 Kh8 30. Rhf1 Qxd5 31. Bc4 Qc6 32. Bxb3 Rab8 33. Rf3 Nc5 34. Bd5 Qa4 35. Rc1 Qd4 36. Ba2 Ne4 37. Rd1 Rxb2+ 38. Qxb2 Qxd1+ 0-1

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2023.04.03"]
[Round "8"]
[White "Brade, Henry"]
[Black "Andriessen, Bart Jan"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1668"]
[BlackElo "1966"]
[PlyCount "110"]
[EventDate "2023.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 g6 5. 0-0 Bg7 6. Re1 0-0 7. d3 Nc6 8. Bf1 e5 9. Bg5 Qb6 10. Qd2 Bg4 11. Na3 Rfe8 12. Nc4 Qc7 13. Nh4 Nd7 14. Bh6 Bf6 15. Bg5 Bg7 16. h3 Be6 17. Rad1 d5 18. exd5 Bxd5 19. Ne3 Be6 20. c4 h6 21. Nd5 Bxd5 22. cxd5 hxg5 23. dxc6 gxh4 24. cxd7 Qxd7 25. Re4 Qd8 26. Rc1 f5 27. Rec4 b6 28. b4 cxb4 29. Qxb4 Bf8 30. Qb3 Kg7 31. Be2 Bc5 32. Bf3 Rc8 33. Qa4 a5 34. Kh2 Qd6 35. Kh1 g5 36. Qc2 Rf8 37. a4 Rcd8 38. Qd2 Kg6 39. d4 exd4 40. Rxc5 bxc5 41. Qxa5 Rc8 42. Rb1 Rf6 43. Rb7 Qa6 44. Qe1 Re6 45. Qd1 Kh6 46. Bd5 Rce8 47. Bxe6 Qxb7 48. Bxf5 Qc7 49. Kg1 c4 50. a5 Qxa5 51. Qxd4 Qe1+ 52. Kh2 Qe5+ 53. Qxe5 Rxe5 54. Bc2 Re2 55. Bd1 Rd2 0-1

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2023.04.02"]
[Round "7"]
[White "Andriessen, Bart Jan"]
[Black "Gajewski, Grzegorz"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "1966"]
[BlackElo "2587"]
[PlyCount "66"]
[EventDate "2023.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Nbd2 0-0 6. Bg2 b6 7. 0-0 Bb7 8. Ne5 a5 9. Qc2 a4 10. Rb1 Re8 11. Rd1 h6 12. a3 Bf8 13. e4 c6 14. b4 axb3 15. Rxb3 Nbd7 16. Nxf7 Kxf7 17. e5 Kg8 18. exf6 Nxf6 19. c5 Nd7 20. f4 Rb8 21. cxb6 c5 22. Re1 cxd4 23. Qc7 Nc5 24. Qxd8 Rexd8 25. Rf3 Ba6 26. Nb3 d3 27. Nd2 Rxb6 28. f5 Ne4 29. fxe6 Bc5+ 30. Kf1 Rxe6 31. Bh3 Nxd2+ 32. Bxd2 Re2 33. Be6+ Kh8 0-1

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2023.04.01"]
[Round "5"]
[White "Melzner, Lukas"]
[Black "Andriessen, Bart Jan"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2199"]
[BlackElo "1966"]
[PlyCount "85"]
[EventDate "2023.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 d5 3. cxd5 Nxd5 4. Bg2 e5 5. Nc3 Nb6 6. Nf3 Nc6 7. 0-0 Be7 8. a3 Be6 9. b4 f6 10. d3 0-0 11. Bb2 a6 12. Rc1 Nd4 13. Nd2 c6 14. Nce4 Nd7 15. e3 Nb5 16. Nb3 Rb8 17. d4 exd4 18. Nxd4 Nxd4 19. Qxd4 Qb6 20. Qc3 Rfd8 21. Ng5 c5 22. Nxe6 Qxe6 23. Rfd1 Kh8 24. Rd5 cxb4 25. axb4 Rdc8 26. Qxc8+ Rxc8 27. Rxc8+ Nf8 28. Rb8 h6 29. Rxb7 Ng6 30. Rdd7 Qb3 31. Be4 f5 32. Bxf5 Qxb2 33. Bxg6 Qc1+ 34. Kg2 Qc6+ 35. e4 Qxg6 36. Rxe7 h5 37. h4 Qc6 38. Rbd7 Qc4 39. Rb7 Qc6 40. Rbc7 Qg6 41. Kg1 Qg4 42. Rxg7 Qxe4 43. Rge7 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2023.03.31"]
[Round "4"]
[White "Andriessen, Bart Jan"]
[Black "Osorio Ferrer, Roberto Eduardo"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1966"]
[PlyCount "65"]
[EventDate "2023.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 c5 4. Bg2 Nc6 5. 0-0 Bf5 6. c4 e6 7. Nc3 Be7 8. cxd5 exd5 9. Bg5 h6 10. Bxf6 Bxf6 11. dxc5 Bxc3 12. bxc3 Be4 13. Qb3 Qc7 14. Nd4 Bxg2 15. Nb5 Qd7 16. Nd6+ Kf8 17. Kxg2 Na5 18. Qxd5 Qc6 19. e4 Qxd5 20. exd5 Ke7 21. Rfe1+ Kf6 22. Re4 Rhd8 23. Rae1 b6 24. Rf4+ Kg6 25. c4 bxc5 26. Nxf7 Re8 27. Rxe8 Rxe8 28. d6 Nc6 29. d7 Rb8 30. g4 Nd8 31. Ne5+ Kh7 32. Rf8 g5 33. Nc6 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2023.03.30"]
[Round "2"]
[White "Andriessen, Bart Jan"]
[Black "Baasansuren, Erdene"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1966"]
[BlackElo "2232"]
[PlyCount "60"]
[EventDate "2023.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 c6 8. Bf4 dxc4 9. Ne5 Nd5 10. Nxc4 Nxf4 11. gxf4 Nd7 12. Nc3 Qc7 13. e3 b6 14. Re1 Bb7 15. Rc1 Rac8 16. a3 a5 17. a4 Kh8 18. Qb3 Ba6 19. Ne5 Nxe5 20. fxe5 Bb4 21. Red1 Qe7 22. Ne4 Be2 23. Re1 Bh5 24. Nd6 Rb8 25. Bxc6 Qg5+ 26. Kh1 Qh4 27. Rg1 Qxf2 28. Qd3 Bf3+ 29. Bxf3 Qxf3+ 30. Rg2 f6 0-1

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2023.03.30"]
[Round "3"]
[White "Pedersen, Sondre Andre"]
[Black "Andriessen, Bart Jan"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "1674"]
[BlackElo "1966"]
[PlyCount "31"]
[EventDate "2023.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 0-0 9. Be2 cxd4 10. cxd4 Qa5+ 11. Bd2 Qxa2 12. 0-0 b6 13. Qc1 Bb7 14. Bc4 Qa4 15. Bb5 Qa2 16. Bc4 1/2-1/2

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2023.03.29"]
[Round "1"]
[White "Ingvarsson, Unnar"]
[Black "Andriessen, Bart Jan"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1661"]
[BlackElo "1966"]
[PlyCount "102"]
[EventDate "2023.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. Be2 Be6 9. Nd5 Nxe4 10. Bb6 Qc8 11. Nc7+ Kf8 12. Nxa8 Nd7 13. Bc7 Qxa8 14. Bf3 Qc8 15. Bxe4 Qxc7 16. 0-0 Nf6 17. Bd3 Nd5 18. g3 Bg5 19. Nd2 Ke7 20. Ne4 Bh6 21. c4 Nb4 22. b3 Nc6 23. Nc3 Nd4 24. Be4 Qa5 25. Qd3 Qxc3 26. Qxc3 Ne2+ 27. Kg2 Nxc3 28. Bxb7 a5 29. f3 Rb8 30. Be4 Ne2 31. Rab1 f5 32. Bd3 Nd4 33. Rfd1 Be3 34. a3 Rxb3 35. Rxb3 Nxb3 36. g4 g6 37. gxf5 gxf5 38. Kf1 Kd7 39. Ke2 Bf4 40. Rg1 Kc6 41. h4 Kc5 42. Rg7 Nc1+ 43. Kd1 Nxd3 44. Rxh7 Kd4 45. h5 Bxc4 46. Ra7 Ke3 47. Kc2 Kxf3 48. Rxa5 Kg4 49. Ra8 Kxh5 50. a4 e4 51. a5 e3 0-1

[Event "Utrecht Keres Memorial"]
[Site "Utrecht"]
[Date "2022.05.27"]
[Round "2"]
[White "Andriessen, Bart Jan"]
[Black "Rademakers, Evert"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1956"]
[BlackElo "2274"]
[PlyCount "44"]
[EventDate "2022.05.27"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. f3 e6 4. e4 d5 5. Be3 dxe4 6. Qd2 exf3 7. Nxf3 Ne7 8. Nc3 Nf5 9. Bf2 Nc6 10. Rd1 0-0 11. Be2 e5 12. dxe5 Qxd2+ 13. Rxd2 Be6 14. Nb5 Rfc8 15. Ng5 Bh6 16. Nf3 Bxd2+ 17. Kxd2 a6 18. Nc3 Rd8+ 19. Kc1 Nfd4 20. b3 Nxe2+ 21. Nxe2 Bg4 22. Bh4 Re8 0-1

[Event "Utrecht OKU op 44th"]
[Site "Utrecht"]
[Date "2017.06.10"]
[Round "2"]
[White "Donker, Roel"]
[Black "Andriessen, Bart Jan"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2211"]
[PlyCount "49"]
[EventDate "2017.06.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Rb1 0-0 9. Be2 cxd4 10. cxd4 b6 11. 0-0 Bb7 12. d5 Nd7 13. Ba3 Rc8 14. Qa4 a6 15. Rfc1 Rxc1+ 16. Rxc1 b5 17. Qb4 Re8 18. Nd4 Qb6 19. Nc6 e6 20. Qd6 Bxc6 21. dxc6 Nf6 22. c7 Qxd6 23. Bxd6 Rc8 24. e5 Ne8 25. Bf3 1-0

