Constantin Ionescu
Constantin Ionescu Repertoire with White pieces
| ECO | Opening | Games |
| A65 | Benoni, 6.e4 | 30 games |
| E81 | King's Indian, Saemisch, 5...O-O | 28 games |
| A30 | English, symmetrical variation | 20 games |
| E70 | King's Indian, 4.e4 | 18 games |
Constantin Ionescu Repertoire with Black pieces
| ECO | Opening | Games |
| B42 | Sicilian, Kan, 5.Bd3 | 55 games |
| A30 | English, symmetrical variation | 46 games |
| B43 | Sicilian, Kan, 5.Nc3 | 25 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 25 games |


