Robert O'Donnell
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Chicago Open | 05/22/2009 | 2258 | United States |
| USA-72ch | ??/??/1971 | 0 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| B89 | Sicilian, Sozin, 7.Be3 | 1 games |
| D15 | Queen's Gambit Declined Slav, 4.Nc3 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D15 | Queen's Gambit Declined Slav, 4.Nc3 | 1 games |
| B50 | Sicilian | 1 games |
| B63 | Sicilian, Richter-Rauzer, Rauzer attack | 1 games |
| E17 | Queen's Indian, 5.Bg2 Be7 | 1 games |
United States
Male
FIDE ID:

