Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1928 |
928 |
2120 | (67) | 10 |
| 1929 |
928 |
2125 | (66) | 0 |
| 1930 |
928 |
2131 | (62) | 0 |
| 1931 |
971 |
2136 | (54) | 11 |
| 1932 |
937 |
2147 | (54) | 8 |
| 1933 |
878 |
2166 | (58) | 11 |
Rating table notes
|
| Biographical data |
| Name: Frenkel, Isaak Efimovich |
| Born: 1900 |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 323 |
| Di Felice, Chess Results, 1931-1935, page 383 |
| Gaige, Chess Personalia, page 127 |
| Thulin, Name index to CTC, page 80 |
| |
