Christian Clemens
Christian Clemens Repertoire with White pieces
| ECO | Opening | Games |
| B20 | Sicilian defence | 23 games |
| B07 | Pirc defence | 20 games |
| A07 | Reti, King's Indian attack (Barcza system) | 14 games |
| A25 | English, Sicilian reversed | 10 games |
Christian Clemens Repertoire with Black pieces
| ECO | Opening | Games |
| B01 | Scandinavian (centre counter) defence | 26 games |
| A80 | Dutch | 13 games |
| A88 | Dutch, Leningrad, main variation with c6 | 11 games |
| A90 | Dutch defence | 7 games |


