[Event "Leiden"]
[Site "Leiden"]
[Date "1937.05.09"]
[Round "3"]
[White "Droste, J."]
[Black "Bosscha, G."]
[Result "1-0"]
[ECO "C90"]
[PlyCount "69"]
[EventDate "1937.05.08"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[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 Bg4 9. d3 Na5 10. Bc2 c5 11. Nbd2 0-0 12. Nf1 Qc7 13. Ng3 Rac8 14. h3 Bd7 15. Bg5 h6 16. Be3 Nh7 17. Rc1 Nc6 18. Qd2 Qd8 19. d4 cxd4 20. cxd4 Bf6 21. Red1 exd4 22. Nxd4 Ne5 23. b3 Ng6 24. Bb1 Rxc1 25. Rxc1 Bxd4 26. Qxd4 Be6 27. f4 Qh4 28. Nf5 Bxf5 29. exf5 Ne7 30. Bf2 Qh5 31. Qxd6 Nxf5 32. Qe5 g6 33. Bxf5 Qxf5 34. Qxf5 gxf5 35. Rc6 1-0

[Event "Leiden"]
[Site "Leiden"]
[Date "1937.05.09"]
[Round "2"]
[White "Van Hoorn, Petrus Franciscus"]
[Black "Droste, J."]
[Result "1-0"]
[ECO "D18"]
[PlyCount "65"]
[EventDate "1937.05.08"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Nbd7 7. Bxc4 Qc7 8. 0-0 e6 9. Qe2 Ne4 10. Nxe4 Bxe4 11. Nd2 Bg6 12. e4 Bb4 13. f4 Nf6 14. f5 Bh5 15. Nf3 exf5 16. exf5+ Qe7 17. Qxe7+ Bxe7 18. Ne5 Nd5 19. g4 f6 20. gxh5 fxe5 21. Bxd5 cxd5 22. dxe5 Rc8 23. Be3 Rc2 24. Rac1 Rxc1 25. Rxc1 Bd8 26. Bxa7 Rf8 27. Rf1 b6 28. a5 bxa5 29. Bd4 Rf7 30. h6 gxh6 31. e6 Rf8 32. f6 Rg8+ 33. Kh1 1-0

[Event "Leiden"]
[Site "Leiden"]
[Date "1937.05.08"]
[Round "1"]
[White "Droste, J."]
[Black "Euwe, Max"]
[Result "0-1"]
[ECO "C83"]
[PlyCount "62"]
[EventDate "1937.05.08"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 0-0 11. Bc2 f5 12. Nd4 Nxd4 13. cxd4 c5 14. dxc5 Bxc5 15. Nb3 Ba7 16. Nd4 Qb6 17. Be3 f4 18. Nxe6 Qxe6 19. Bb3 Kh8 20. Bxa7 Rxa7 21. Qd4 Re7 22. Rfe1 Qg6 23. f3 Ng5 24. Qxd5 Qb6+ 25. Kf1 Rd8 26. Qxd8+ Qxd8 27. Rad1 Qe8 28. Rd6 h6 29. Red1 Nf7 30. Rxa6 Nxe5 31. Bc2 Nc4 0-1

