Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1924 |
641 |
2157 | (80) | 6 |
| 1925 |
674 |
2155 | (80) | 0 |
| 1926 |
697 |
2153 | (79) | 0 |
| 1927 |
726 |
2150 | (77) | 0 |
| 1928 |
757 |
2148 | (72) | 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 |
| |
