Mark Ritter
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Tampa op | 04/11/2003 | 631 | United States |
| USA-chT Amateur East | 02/17/2001 | 745 | United States |
| Nassau CC-ch | 10/??/2000 | 1995 | United States |
| New York op | 05/05/2000 | 2071 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| D04 | Queen's pawn game | 18 games |
| D02 | Queen's pawn game | 16 games |
| B07 | Pirc defence | 14 games |
| A48 | King's Indian, East Indian defence | 11 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C60 | Ruy Lopez (Spanish opening) | 14 games |
| A55 | Old Indian, main line | 13 games |
| A54 | Old Indian, Ukrainian variation | 12 games |
| C50 | King's pawn game | 11 games |
United States
Male
FIDE ID:

