Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1923 |
289 |
2250 | (49) | 17 |
| 1924 |
303 |
2250 | (41) | 23 |
| 1925 |
283 |
2258 | (39) | 25 |
| 1926 |
292 |
2256 | (41) | 16 |
| 1927 |
227 |
2293 | (42) | 23 |
| 1928 |
242 |
2284 | (47) | 16 |
| 1929 |
241 |
2270 | (58) | 0 |
| 1930 |
225 |
2255 | (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 |
| |
