M. Ruderman
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Eastpointe-ch MI | ??/??/1993 | 82 |  United States |
| Detroit ch-MI opB | ??/??/1992 | 18 | United States |
| Detroit ch-MI | ??/??/1992 | 110 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| B12 | Caro-Kann defence | 2 games |
| B50 | Sicilian | 1 games |
| C55 | Two knights defence | 1 games |
| B11 | Caro-Kann, two knights, 3...Bg4 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C48 | Four knights, Spanish variation | 1 games |
| C57 | Two knights defence | 1 games |
| C67 | Ruy Lopez, Berlin defence, open variation | 1 games |
| A00 | Polish (Sokolsky) opening | 1 games |
