Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1927 |
511 |
2129 | (63) | 8 |
| 1928 |
471 |
2147 | (55) | 15 |
| 1929 |
409 |
2155 | (58) | 19 |
Rating table notes
|
| Biographical data |
| Name: Ratner, Boris Yakovlevich |
| Born: 1909 |
| Died: 1974 |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 335 |
| Gaige, Chess Personalia, page 348 |
| Thulin, Name index to CTC, page 214 |
| |
