Stig Jonasson
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| EU-ch Railways USIC | 06/19/2000 | 1906 | Germany |
| Harstad op | ??/??/1997 | 672 | Sweden |
Most Played Openings as White
| ECO | Opening | Games |
| D70 | Neo-Gruenfeld defence | 1 games |
| D45 | Queen's Gambit Declined semi-Slav, 5.e3 | 1 games |
| D07 | Queen's Gambit Declined, Chigorin defence | 1 games |
| A85 | Dutch with c4 & Nc3 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C14 | French, classical variation | 1 games |
| C01 | French, exchange variation | 1 games |
| E64 | King's Indian, fianchetto, Yugoslav system | 1 games |
| C15 | French, Winawer (Nimzovich) variation | 1 games |


Germany
Sweden