Istvan Csom
Istvan Csom Repertoire with White pieces
| ECO | Opening | Games |
| A30 | English, symmetrical variation | 90 games |
| A13 | English opening | 70 games |
| E62 | King's Indian, fianchetto variation | 46 games |
| A36 | English, symmetrical variation | 39 games |
Istvan Csom Repertoire with Black pieces
| ECO | Opening | Games |
| B66 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 | 76 games |
| A30 | English, symmetrical variation | 74 games |
| B28 | Sicilian, O'Kelly variation | 65 games |
| B57 | Sicilian, Sozin, not Scheveningen | 49 games |
HUNGARY

