Olsson
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Avesta op | ??/??/1993 | 815 |  Sweden |
| Hamburg Hauptturnier-B | ??/??/1910 | 0 |  Germany |
| Hamburg Trostturnier (B-Hauptturnier) | ??/??/1910 | 0 | Germany |
Olsson Repertoire with White pieces (most played)
| ECO | Opening | Games |
| C50 | King's pawn game | 1 games |
| B06 | Robatsch (modern) defence | 1 games |
Olsson Repertoire with Black pieces (most played)
| ECO | Opening | Games |
| C29 | Vienna gambit | 1 games |
| D32 | Queen's Gambit Declined, Tarrasch defence | 1 games |
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