Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1945 |
235 |
2310 | (48) | 27 |
| 1946 |
198 |
2330 | (54) | 0 |
| 1947 |
153 |
2351 | (55) | 0 |
| 1948 |
106 |
2372 | (49) | 24 |
Rating table notes
|
| Biographical data |
| Name: Kogan, Efim Efimovich |
| Born: 1920 |
| Died: Mar. 1973 |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1947-1950, page 465 |
| Gaige, Chess Personalia, page 219 |
| |
