Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1926 |
1462 |
1921 | (73) | 13 |
| 1927 |
1463 |
1933 | (78) | 0 |
| 1928 |
1458 |
1944 | (80) | 0 |
| 1929 |
1444 |
1955 | (82) | 7 |
Rating table notes
|
| Biographical data |
| Name: Schopper |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 337 |
| Thulin, Name index to CTC, page 239 |
| |
