J. Bonasera
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Detroit | ??/??/1992 | 42 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| D07 | Queen's Gambit Declined, Chigorin defence | 1 games |
| B07 | Pirc defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B03 | Alekhine's defence | 1 games |
| B04 | Alekhine's defence, modern variation | 1 games |
| E62 | King's Indian, fianchetto variation | 1 games |


United States