Erik Jonsson
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| SWE-DEN | ??/??/1948 | 0 | Sweden |
| The Hague ol (Men) | 07/23/1928 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| B45 | Sicilian, Taimanov variation | 1 games |
| B18 | Caro-Kann, classical variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D93 | Gruenfeld with Bf4 e3 | 1 games |
| A15 | English, 1...Nf6 (Anglo-Indian defense) | 1 games |
| C17 | French, Winawer, advance variation | 1 games |


Sweden
Netherlands