Jeffrey Lonsdale
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Cloverleaf Chess Bowl op | ??/??/1994 | 0 | United States |
| Mission San Jose-Ruus Elementary | ??/??/1994 | 0 | Costa Rica |
| LERA Class-ch 30th | ??/??/1993 | 105 | United States |
| California op | ??/??/1993 | 368 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| B07 | Pirc defence | 1 games |
| C58 | two knights defence | 1 games |
| C15 | French, Winawer (Nimzovich) variation | 1 games |
| C50 | King's pawn game | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C42 | Petrov's defence | 3 games |
| C56 | Two knights defence | 2 games |
| C55 | Two knights defence | 2 games |
| C47 | Four knights, Scotch variation | 1 games |


United States
Costa Rica