Jeff Byerly
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| NWC May op | 05/??/1989 | 296 | United States |
| NWC August | 08/??/1988 | 908 | United States |
| NWC October op | 10/??/1988 | 504 | United States |
| NWC June op | 06/??/1987 | 127 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| D55 | Queen's Gambit Declined, 6.Nf3 | 2 games |
| D97 | Gruenfeld, Russian variation with e4 | 1 games |
| D33 | Queen's Gambit Declined, Tarrasch, Schlechter-Rubinstein system | 1 games |
| A41 | Queen's Pawn | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B50 | Sicilian | 1 games |
| A44 | Old Benoni defence | 1 games |
| C64 | Ruy Lopez, classical (Cordel) defence | 1 games |
| E21 | Nimzo-Indian, three knights variation | 1 games |


United States