Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1929 |
1539 |
1570 | (126) | 7 |
| 1930 |
1579 |
1569 | (126) | 7 |
Rating table notes
|
| Biographical data |
| Name: Kettner, Karl Werner |
| Born: 26 Jan. 1908 |
| Died: 3 May 1942 |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 327 |
| Gaige, Chess Personalia, page 211 |
| Thulin, Name index to CTC, page 131 |
| |
