Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1921 |
977 |
1929 | (114) | 7 |
Rating table notes
|
| Biographical data |
| Name: Jacobson (1) |
| Born: |
| Died: |
| |
| Notes: |
| Is this Ernst Jacobsen, or the 'Jacobsohn' who played in Cologne in 1911, or another? |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 327 |
| Thulin, Name index to CTC, page 120 |
| |
