Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1891 |
611 |
1978 | (90) | 5 |
| 1892 |
654 |
1973 | (86) | 6 |
| 1893 |
632 |
1992 | (90) | 0 |
| 1894 |
606 |
2011 | (94) | 0 |
| 1895 |
575 |
2029 | (96) | 0 |
| 1896 |
531 |
2048 | (97) | 0 |
| 1897 |
506 |
2067 | (97) | 0 |
| 1898 |
487 |
2086 | (97) | 0 |
| 1899 |
463 |
2105 | (96) | 0 |
| 1900 |
447 |
2124 | (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 |
| |
