Mark Plum
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Bradley op | 08/01/1998 | 1405 |  United States |
| Greater Boston op 63rd | ??/??/1996 | 1082 | United States |
| Massachusetts op | ??/??/1991 | 981 | United States |
| Philadelphia op | 06/??/1987 | 1787 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| E04 | Catalan, open, 5.Nf3 | 1 games |
| A48 | King's Indian, East Indian defence | 1 games |
| A21 | English opening | 1 games |
| E09 | Catalan, closed, main line | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C61 | Ruy Lopez, Bird's defence | 1 games |
| D87 | Gruenfeld, exchange, Spassky variation | 1 games |
| C69 | Ruy Lopez, exchange variation, 5.O-O | 1 games |
| A80 | Dutch | 1 games |
