P. Gregor
P. Gregor Repertoire with White pieces
| ECO | Opening | Games |
| B21 | Sicilian, Grand Prix attack | 1 games |
| C06 | French, Tarrasch, closed variation, main line | 1 games |
| B24 | Sicilian, closed | 1 games |
| B32 | Sicilian defence | 1 games |
P. Gregor Repertoire with Black pieces
| ECO | Opening | Games |
| A24 | English, Bremen system with ...g6 | 1 games |
| C46 | Three knights game | 1 games |
| A01 | Nimzovich-Larsen attack | 1 games |
| E74 | King's Indian, Averbakh, 6...c5 | 1 games |




