Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1926 |
1590 |
1832 | (114) | 4 |
| 1927 |
1604 |
1826 | (113) | 0 |
| 1928 |
1612 |
1819 | (111) | 0 |
| 1929 |
1624 |
1813 | (109) | 0 |
| 1930 |
1658 |
1806 | (107) | 7 |
Rating table notes
|
| Biographical data |
| Name: Lüdtke, K. |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 330 |
| Thulin, Name index to CTC, page 159 |
| |
