Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1891 |
604 |
1980 | (90) | 5 |
| 1892 |
646 |
1976 | (86) | 6 |
| 1893 |
626 |
1995 | (91) | 0 |
| 1894 |
598 |
2014 | (94) | 0 |
| 1895 |
559 |
2034 | (96) | 0 |
| 1896 |
516 |
2053 | (97) | 0 |
| 1897 |
493 |
2072 | (97) | 0 |
| 1898 |
477 |
2091 | (97) | 0 |
| 1899 |
452 |
2111 | (96) | 0 |
| 1900 |
435 |
2130 | (94) | 10 |
Rating table notes
|
| Biographical data |
| Name: Koch, Otto Gustav |
| Born: 6 May 1849 |
| Died: 20 Oct. 1919 |
|
| |
| References |
| Books |
| Gaige, Chess Personalia, page 218 |
| Goldman, Carl Schlechter!, page 525 |
| Hooper and Whyld, Oxford Companion (1st ed.), page 139, 169 |
| Hooper and Whyld, Oxford Companion (2nd ed.), page 204 |
| Renette and Zavatarelli, Neumann, Hirschfeld and Suhle, page 73, 373 |
| |
