Jeff A Birkel
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| National op comp | ??/??/1996 | 764 |  United States |
| Las Vegas op | ??/??/1994 | 1582 | United States |
| USA-op | 07/??/1991 | 493 | United States |
| American op | ??/??/1989 | 1187 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| A85 | Dutch with c4 & Nc3 | 1 games |
| B06 | Robatsch (modern) defence | 1 games |
| B98 | Sicilian, Najdorf, 7...Be7 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B75 | Sicilian, dragon, Yugoslav attack | 1 games |
| D00 | Queen's pawn game | 1 games |
| B92 | Sicilian, Najdorf, Opovcensky variation | 1 games |
| C03 | French, Tarrasch | 1 games |
