Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1924 |
579 |
2168 | (80) | 6 |
| 1925 |
605 |
2165 | (81) | 0 |
| 1926 |
630 |
2161 | (80) | 0 |
| 1927 |
673 |
2157 | (77) | 0 |
| 1928 |
691 |
2153 | (73) | 11 |
Rating table notes
|
| Biographical data |
| Name: Dunkelblum, J. |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 322 |
| Thulin, Name index to CTC, page 61 |
| |
