Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1898 |
934 |
1815 | (144) | 3 |
| 1899 |
956 |
1823 | (143) | 0 |
| 1900 |
983 |
1831 | (141) | 0 |
| 1901 |
973 |
1840 | (140) | 0 |
| 1902 |
956 |
1848 | (138) | 0 |
| 1903 |
936 |
1856 | (137) | 0 |
| 1904 |
959 |
1865 | (135) | 0 |
| 1905 |
990 |
1873 | (132) | 0 |
| 1906 |
964 |
1881 | (130) | 0 |
| 1907 |
973 |
1889 | (127) | 0 |
| 1908 |
965 |
1898 | (124) | 0 |
| 1909 |
1035 |
1906 | (120) | 5 |
Rating table notes
|
| Biographical data |
| Name: Ehrentraut, Otto |
| Born: 21 Oct. 1856 |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1901-1920, page 119 |
| Gaige, Chess Personalia, page 104 |
| Thulin, Name index to CTC, page 65 |
| |
