Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1923 |
325 |
2232 | (50) | 17 |
| 1924 |
351 |
2229 | (45) | 13 |
| 1925 |
311 |
2248 | (40) | 25 |
| 1926 |
308 |
2251 | (41) | 16 |
| 1927 |
234 |
2290 | (42) | 23 |
| 1928 |
250 |
2284 | (47) | 16 |
| 1929 |
248 |
2270 | (58) | 0 |
| 1930 |
237 |
2256 | (63) | 9 |
Rating table notes
|
| Biographical data |
| Name: Koch, Wilhelm |
| Also known as: Willi Koch |
| Born: 11 Mar. 1889 |
| Died: 11 Jan. 1963 |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 328 |
| Gaige, Chess Personalia, page 218 |
| McGowan, Kurt Richter, page 362 |
| Thulin, Name index to CTC, page 135 |
| |
