Isaak Birbrager
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| UZB-ch | ??/??/1973 | 0 | |
| URS-chT | 07/??/1967 | 0 | |
| URS-chT | 09/??/1966 | 0 | |
| URS-ch sf | ??/??/1966 | 0 |
Most Played Openings as White
| ECO | Opening | Games |
| D07 | Queen's Gambit Declined, Chigorin defence | 1 games |
| E11 | Bogo-Indian defence | 1 games |
| D36 | Queen's Gambit Declined, exchange, positional line, 6.Qc2 | 1 games |
| A88 | Dutch, Leningrad, main variation with c6 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 3 games |
| B10 | Caro-Kann defence | 2 games |
| B14 | Caro-Kann, Panov-Botvinnik attack, 5...e6 | 1 games |
| B12 | Caro-Kann defence | 1 games |


