Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1908 |
400 |
2194 | (76) | 5 |
| 1909 |
413 |
2197 | (71) | 11 |
Rating table notes
|
| Biographical data |
| Name: Hackl, O. |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1901-1920, page 306 |
| Gaige, Chess Tournament Crosstables II, page 308A |
| |
