Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1928 |
803 |
2115 | (71) | 10 |
| 1929 |
815 |
2117 | (73) | 0 |
| 1930 |
823 |
2119 | (72) | 0 |
| 1931 |
808 |
2121 | (69) | 0 |
| 1932 |
797 |
2123 | (64) | 7 |
| 1933 |
734 |
2141 | (65) | 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 |
| |
