Joseph Perl
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| New England op 65th | 09/03/2005 | 1749 | United States |
| Manhattan CC Leap Year op | ??/??/2004 | 1363 | United States |
| Manhattan CC Halloween op | ??/??/2003 | 1248 | United States |
| Manhattan CC Stanley Crowe mem | ??/??/2003 | 961 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| C45 | Scotch game | 3 games |
| B06 | Robatsch (modern) defence | 2 games |
| D05 | Queen's pawn game | 2 games |
| B32 | Sicilian defence | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C42 | Petrov's defence | 3 games |
| C43 | Petrov, modern (Steinitz) attack | 2 games |
| C48 | Four knights, Spanish variation | 2 games |
| A12 | English, Caro-Kann defensive system | 1 games |


United States