John Jackson
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Southwest op 63rd | ??/??/1997 | 95 | United States |
| Eastpointe op | ??/??/1993 | 48 | United States |
| National op | 05/??/1991 | 580 | United States |
| North Carolina Inv | ??/??/1989 | 0 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| A40 | Queen's pawn | 2 games |
| C02 | French, advance variation | 1 games |
| B29 | Sicilian, Nimzovich-Rubinstein variation | 1 games |
| D06 | Queen's Gambit | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C40 | King's knight opening | 3 games |
| A53 | Old Indian defence | 2 games |
| B72 | Sicilian, dragon, 6.Be3 | 1 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |


United States