John Harrison
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| BCF-chT4 0607 (4NCL) | 09/16/2006 | 1948 |  United Kingdom |
| BCF-chT4 0506 (4NCL) | 11/05/2005 | 1970 | United Kingdom |
Most Played Openings as White
| ECO | Opening | Games |
| D32 | Queen's Gambit Declined, Tarrasch defence | 1 games |
| E87 | King's Indian, Saemisch, orthodox, 7.d5 | 1 games |
| C17 | French, Winawer, advance variation | 1 games |
| A53 | Old Indian defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C02 | French, advance variation | 1 games |
| C01 | French, exchange variation | 1 games |
