Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1891 |
603 |
1985 | (89) | 5 |
| 1892 |
653 |
1980 | (85) | 6 |
| 1893 |
636 |
1999 | (89) | 0 |
| 1894 |
617 |
2018 | (92) | 0 |
| 1895 |
572 |
2037 | (94) | 0 |
| 1896 |
534 |
2056 | (95) | 0 |
| 1897 |
503 |
2075 | (96) | 0 |
| 1898 |
490 |
2094 | (95) | 0 |
| 1899 |
461 |
2112 | (93) | 0 |
| 1900 |
448 |
2131 | (91) | 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 |
| |
