Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1898 |
923 |
1809 | (144) | 3 |
| 1899 |
948 |
1818 | (143) | 0 |
| 1900 |
972 |
1826 | (142) | 0 |
| 1901 |
962 |
1834 | (140) | 0 |
| 1902 |
951 |
1842 | (139) | 0 |
| 1903 |
924 |
1850 | (137) | 0 |
| 1904 |
950 |
1859 | (135) | 0 |
| 1905 |
975 |
1867 | (132) | 0 |
| 1906 |
953 |
1875 | (130) | 0 |
| 1907 |
966 |
1883 | (127) | 0 |
| 1908 |
950 |
1892 | (124) | 0 |
| 1909 |
1022 |
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 |
| |
