Paul O'Brien
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Prague-London U26 | ??/??/1963 | 0 |
Most Played Openings as White
| ECO | Opening | Games |
| B35 | Sicilian, accelerated fianchetto, modern variation with Bc4 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
