Berta I Vaisberg
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| URS-chT | 08/06/1959 | 0 | |
| RUS-UKR m | ??/??/1957 | 0 | |
| URS-chT | 09/03/1954 | 0 |
Most Played Openings as White
| ECO | Opening | Games |
| A05 | Reti opening | 2 games |
| B67 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7 | 1 games |
| B34 | Sicilian, accelerated fianchetto, exchange variation | 1 games |
| B70 | Sicilian, dragon variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E74 | King's Indian, Averbakh, 6...c5 | 1 games |
| B20 | Sicilian defence | 1 games |
| A84 | Dutch defence | 1 games |
| D02 | Queen's pawn game | 1 games |


