Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1931 |
642 |
2166 | (56) | 18 |
| 1932 |
703 |
2150 | (60) | 11 |
Rating table notes
|
| Biographical data |
| Name: Vainstein, Boris Samoilovich |
| Also known as: Ferzberi |
| Born: 19 May 1907 |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1931-1935, page 407 |
| Gaige, Chess Personalia, page 437 |
| |
