Denis J O'Donoghue
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| 27th ECC | 09/25/2011 | 2235 | Slovenia |
| Cork weekend op | 04/01/2005 | 1167 | Ireland |
| EU Union-ch | 03/22/2005 | 1479 | Ireland |
Most Played Openings as White
| ECO | Opening | Games |
| A21 | English opening | 1 games |
| A11 | English, Caro-Kann defensive system | 1 games |
| A26 | English, closed system | 1 games |
| A28 | English, four knights system | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |
| B30 | Sicilian defence | 1 games |
| B26 | Sicilian, closed, 6.Be3 | 1 games |
| A57 | Benko gambit | 1 games |


Slovenia
Ireland