Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1897 |
1023 |
1698 | (134) | 22 |
Rating table notes
|
| Biographical data |
| Name: Koopman, J.F.H. |
| Born: |
| Died: |
| |
| Notes: |
| Presumably not Justus Hendrik Koopman, who played at Nijmegen in 1858. There was also a 'Koopmans' active in Indonesia in 1922, who might be the same person (see Tijdschrift van den Nederlandschen Schaakbond 1922, p.191). |
|
| |
| References |
| Periodicals |
| [TNS], vol. 5, no. 9, Sep. 1897, page 187 |
| [TNS], vol. 7, no. 3, Mar. 1899, page 61 |
| |
