John Powell
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Thessaloniki ol (Men) | 11/??/1988 | 1339 | Greece |
| Dubai ol (Men) | 11/??/1986 | 1147 | United Arab Emirates |
| Thessaloniki ol (Men) | 11/19/1984 | 1533 | Greece |
| Luzern ol (Men) | 10/??/1982 | 1381 | Switzerland |
Most Played Openings as White
| ECO | Opening | Games |
| B33 | Sicilian defence | 3 games |
| C17 | French, Winawer, advance variation | 2 games |
| A57 | Benko gambit | 1 games |
| B08 | Pirc, classical (two knights) system | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B80 | Sicilian, Scheveningen variation | 2 games |
| C63 | Ruy Lopez, Schliemann defence | 2 games |
| B92 | Sicilian, Najdorf, Opovcensky variation | 2 games |
| A56 | Benoni defence | 1 games |


Greece
United Arab Emirates
Switzerland