John Ahern
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| EUCup 18th | 09/22/2002 | 2316 | Greece |
Most Played Openings as White
| ECO | Opening | Games |
| E81 | King's Indian, Saemisch, 5...O-O | 1 games |
| D31 | Queen's Gambit Declined, 3.Nc3 | 1 games |
| A58 | Benko gambit accepted | 1 games |
| E26 | Nimzo-Indian, Saemisch variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E76 | King's Indian, Four pawns attack | 1 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |


Greece