Ralf Axel Simon
Ralf Axel Simon Repertoire with White pieces
| ECO | Opening | Games |
| A13 | English opening | 20 games |
| E61 | King's Indian defence, 3.Nc3 | 19 games |
| A30 | English, symmetrical variation | 15 games |
| A11 | English, Caro-Kann defensive system | 12 games |
Ralf Axel Simon Repertoire with Black pieces
| ECO | Opening | Games |
| D43 | Queen's Gambit Declined semi-Slav | 11 games |
| D45 | Queen's Gambit Declined semi-Slav, 5.e3 | 10 games |
| B40 | Sicilian defence | 10 games |
| B46 | Sicilian, Taimanov variation | 9 games |


