Boris Chatalbashev
Boris Chatalbashev Repertoire with White pieces
| ECO | Opening | Games |
| E14 | Queen's Indian, 4.e3 | 42 games |
| E70 | King's Indian, 4.e4 | 32 games |
| E61 | King's Indian defence, 3.Nc3 | 25 games |
| E43 | Nimzo-Indian, Fischer variation | 25 games |
Boris Chatalbashev Repertoire with Black pieces
| ECO | Opening | Games |
| B06 | Robatsch (modern) defence | 59 games |
| B07 | Pirc defence | 31 games |
| A43 | Old Benoni defence | 29 games |
| B08 | Pirc, classical (two knights) system | 29 games |
BULGARIA

