Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1891 |
609 |
1978 | (89) | 5 |
| 1892 |
659 |
1973 | (86) | 6 |
| 1893 |
640 |
1992 | (90) | 0 |
| 1894 |
608 |
2012 | (93) | 0 |
| 1895 |
571 |
2031 | (95) | 0 |
| 1896 |
530 |
2051 | (96) | 0 |
| 1897 |
502 |
2070 | (96) | 0 |
| 1898 |
488 |
2090 | (95) | 0 |
| 1899 |
460 |
2109 | (93) | 0 |
| 1900 |
441 |
2129 | (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 |
| |
