Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1909 |
756 |
2034 | (72) | 7 |
| 1910 |
767 |
2025 | (68) | 7 |
| 1911 |
856 |
1992 | (68) | 0 |
| 1912 |
882 |
1959 | (64) | 11 |
| 1913 |
915 |
1934 | (68) | 13 |
Rating table notes
|
| Biographical data |
| Name: Lang, O. |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1901-1920, page 309 |
| Thulin, Name index to CTC, page 146 |
| |
