Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1918 |
599 |
2087 | (79) | 12 |
Rating table notes
|
| Biographical data |
| Name: Markx, B.J.M. |
| Born: 20 Aug. 1874 |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1901-1920, page 242 |
| Gaige, Chess Personalia, page 270 |
| Gaige, Chess Tournament Crosstables III, page 476 |
| |
