Ralph Zimmer
Ralph Zimmer Repertoire with White pieces
| ECO | Opening | Games |
| D02 | Queen's pawn game | 10 games |
| A47 | Queen's Indian defence | 8 games |
| D03 | Torre attack (Tartakower variation) | 7 games |
| A48 | King's Indian, East Indian defence | 5 games |
Ralph Zimmer Repertoire with Black pieces
| ECO | Opening | Games |
| B45 | Sicilian, Taimanov variation | 8 games |
| A57 | Benko gambit | 8 games |
| A37 | English, symmetrical variation | 6 games |
| B23 | Sicilian, closed | 4 games |
UNITED STATES

