Ludwig Collijn
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Nordic Congress 1st | ??/??/1897 | 0 |  Sweden |
Most Played Openings as White
| ECO | Opening | Games |
| D55 | Queen's Gambit Declined, 6.Nf3 | 2 games |
| D53 | Queen's Gambit Declined, 4.Bg5 Be7 | 2 games |
| D67 | Queen's Gambit Declined, Orthodox defence, Bd3 line, Capablanca freeing manoevre | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B01 | Scandinavian (centre counter) defence | 4 games |
| D40 | Queen's Gambit Declined, Semi-Tarrasch defence | 1 games |
