J. Alderson
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Royal Beacon Seniors op 60+ | 11/14/2005 | 1193 | United Kingdom |
Most Played Openings as White
| ECO | Opening | Games |
| A25 | English, Sicilian reversed | 1 games |
| A15 | English, 1...Nf6 (Anglo-Indian defense) | 1 games |
| B49 | Sicilian, Taimanov variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A95 | Dutch, stonewall with Nc3 | 1 games |
| B07 | Pirc defence | 1 games |


United Kingdom