Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1898 |
910 |
1810 | (144) | 3 |
| 1899 |
939 |
1818 | (143) | 0 |
| 1900 |
968 |
1827 | (142) | 0 |
| 1901 |
957 |
1835 | (140) | 0 |
| 1902 |
940 |
1843 | (139) | 0 |
| 1903 |
909 |
1851 | (137) | 0 |
| 1904 |
936 |
1859 | (135) | 0 |
| 1905 |
961 |
1868 | (132) | 0 |
| 1906 |
940 |
1876 | (130) | 0 |
| 1907 |
946 |
1884 | (127) | 0 |
| 1908 |
937 |
1892 | (124) | 0 |
| 1909 |
1011 |
1900 | (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 |
| |
