Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1927 |
471 |
2220 | (55) | 8 |
| 1928 |
435 |
2236 | (45) | 15 |
| 1929 |
381 |
2258 | (40) | 25 |
| 1930 |
261 |
2302 | (41) | 11 |
| 1931 |
201 |
2337 | (36) | 30 |
| 1932 |
160 |
2355 | (37) | 26 |
| 1933 |
135 |
2368 | (40) | 18 |
| 1934 |
151 |
2361 | (44) | 10 |
| 1935 |
174 |
2349 | (39) | 26 |
| 1936 |
223 |
2328 | (36) | 30 |
| 1937 |
242 |
2324 | (37) | 31 |
| 1938 |
286 |
2296 | (47) | 0 |
| 1939 |
325 |
2268 | (45) | 28 |
Rating table notes
|
| Biographical data |
| Name: Ratner, Boris Yakovlevich |
| Born: 1909 |
| Died: 1974 |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 335 |
| Di Felice, Chess Results, 1931-1935, page 399 |
| Di Felice, Chess Results, 1936-1940, page 369 |
| Gaige, Chess Personalia, page 348 |
| Thulin, Name index to CTC, page 214 |
| |
