Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1926 |
845 |
2063 | (67) | 7 |
| 1927 |
784 |
2096 | (64) | 9 |
| 1928 |
772 |
2092 | (71) | 0 |
| 1929 |
771 |
2089 | (76) | 6 |
Rating table notes
|
| Biographical data |
| Name: Haberkorn, J. |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 325 |
| Thulin, Name index to CTC, page 99 |
| |
