Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1872 |
346 |
1994 | (75) | 24 |
Rating table notes
|
| Biographical data |
| Name: Koppel (1) |
| Also known as: Dr. Koppel |
| Born: |
| Died: |
|
| |
| References |
| Periodicals |
| [OSZ], vol. 1, no. 1, 1 Apr. 1872, page 2 |
| [OSZ], vol. 1, no. 2, 16 Apr. 1872, page 9 |
| |
