P. Gregor
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Ann Arbor ch-MI op | ??/??/1983 | 30 | United States |
| Southfield-ch MI M/X | ??/??/1983 | 265 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| C91 | Ruy Lopez, closed, 9.d4 | 1 games |
| B32 | Sicilian defence | 1 games |
| B24 | Sicilian, closed | 1 games |
| C06 | French, Tarrasch, closed variation, main line | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B08 | Pirc, classical (two knights) system | 1 games |
| E10 | Queen's pawn game | 1 games |
| E62 | King's Indian, fianchetto variation | 1 games |
| E74 | King's Indian, Averbakh, 6...c5 | 1 games |


United States