Donald Cotten
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| US op | 08/03/2003 | 869 | United States |
| US op | ??/??/1999 | 1211 | United States |
| US op | ??/??/1996 | 802 | United States |
| National op | ??/??/1995 | 864 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| B22 | Sicilian, Alapin's variation (2.c3) | 4 games |
| C41 | Philidor's defence | 3 games |
| B01 | Scandinavian (centre counter) defence | 1 games |
| C19 | French, Winawer, advance, 6...Ne7 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D09 | Queen's Gambit Declined, Albin counter-gambit, 5.g3 | 3 games |
| D02 | Queen's pawn game | 2 games |
| C32 | King's Gambit Declined, Falkbeer, 5.de | 1 games |
| C33 | King's gambit accepted | 1 games |


United States