Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1907 |
400 |
2145 | (83) | 8 |
| 1908 |
394 |
2150 | (87) | 0 |
| 1909 |
421 |
2156 | (90) | 0 |
| 1910 |
408 |
2161 | (91) | 0 |
| 1911 |
404 |
2166 | (91) | 0 |
| 1912 |
389 |
2171 | (91) | 0 |
| 1913 |
361 |
2176 | (89) | 7 |
Rating table notes
|
| Biographical data |
| Name: Otto, August |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1901-1920, page 313 |
| Thulin, Name index to CTC, page 196 |
| |
