[Event "Leiden SB-ch 1819"]
[Site "Leiden"]
[Date "2019.06.21"]
[Round "9"]
[White "Van Tilburg, Jason"]
[Black "Heijboer, Herman"]
[Result "0-1"]
[ECO "A80"]
[BlackElo "1778"]
[PlyCount "50"]
[EventDate "2018.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. Nc3 e6 4. g3 d5 5. Bg2 c6 6. Ne5 Nbd7 7. 0-0 Bd6 8. Bf4 Qc7 9. Nxd7 Bxd7 10. Bxd6 Qxd6 11. Qd2 0-0 12. f3 e5 13. e4 dxe4 14. Rad1 exf3 15. Bxf3 e4 16. Bg2 Nd5 17. Nxd5 cxd5 18. Qf4 Qxf4 19. Rxf4 g5 20. Rff1 f4 21. gxf4 gxf4 22. c4 f3 23. Bh1 dxc4 24. Rde1 Bh3 25. Rf2 Rae8 0-1

[Event "Leiden SB-ch 1819"]
[Site "Leiden"]
[Date "2019.05.24"]
[Round "8"]
[White "Van Tilburg, Jason"]
[Black "Rosendaal, Frits"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "64"]
[EventDate "2018.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 Bf5 4. Nf3 e6 5. e3 Bb4 6. Bd3 Ne4 7. Bxe4 Bxe4 8. 0-0 Bxc3 9. bxc3 0-0 10. Qe2 c5 11. Ne5 f6 12. Nd3 Bxd3 13. cxd3 cxd4 14. cxd4 Nc6 15. Rab1 Qd7 16. Qb2 b6 17. f3 Rac8 18. Rbc1 Rfe8 19. Rfd1 h6 20. e4 dxe4 21. dxe4 Qe7 22. Qd2 Qb4 23. Qxb4 Nxb4 24. Rxc8 Rxc8 25. a3 Nc6 26. Rc1 Ne7 27. Rxc8+ Nxc8 28. Kf2 Kf7 29. Ke3 Ke7 30. e5 f5 31. g4 g5 32. Bg3 f4+ 0-1

