[Event "NSB Bondswedstrijden 1A"]
[Site "Nijmegen"]
[Date "1921.08.03"]
[Round "?"]
[White "Pannekoek, Johannes Henricius"]
[Black "Van der Steeg, J."]
[Result "1-0"]
[ECO "B56"]
[PlyCount "27"]
[EventDate "1921.08.01"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 Ng4 7. Bb5 Qc7 8. Nd5 Qd7 9. Bd2 e6 10. Nb4 Nf6 11. Nbxc6 a6 12. Ne5 Qxb5 13. Nxb5 axb5 14. Nf3 1-0

[Event "Haarlem 6-players 1st Class A"]
[Site "Haarlem"]
[Date "1919.08.??"]
[Round "?"]
[White "Perlmutter, Jacob Baruch"]
[Black "Van der Steeg, J."]
[Result "1-0"]
[ECO "B72"]
[PlyCount "71"]
[EventDate "1919.08.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. 0-0 g6 8. h3 Bg7 9. Be3 0-0 10. Qd2 a6 11. Rad1 Rc8 12. Nb3 Qc7 13. Be2 Na5 14. Nxa5 Qxa5 15. f4 Bc6 16. Nd5 Qd8 17. Bf3 Nxd5 18. exd5 Bb5 19. Rfe1 Bxb2 20. c4 Ba4 21. Qxb2 Bxd1 22. Bxd1 Qd7 23. f5 Rxc4 24. Bh6 f6 25. Bxf8 Kxf8 26. fxg6 hxg6 27. Qd2 Rh4 28. Bg4 Qc7 29. Be6 Kg7 30. Rc1 Qb6+ 31. Kh2 Rh8 32. Qc2 Qe3 33. Qc7 Kh6 34. Rc3 Qe5+ 35. Rg3 Rh7 36. Qxb7 1-0

