Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1926 |
986 |
2049 | (92) | 2 |
| 1927 |
1019 |
2056 | (86) | 8 |
Rating table notes
|
| Biographical data |
| Name: Blum, J. |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 319 |
| Skinner and Verhoeven, Alexander Alekhine's Chess Games, page 155 |
| Thulin, Name index to CTC, page 32 |
| |
