Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1922 |
1091 |
1953 | (78) | 18 |
| 1923 |
1184 |
1964 | (83) | 0 |
| 1924 |
1182 |
1974 | (86) | 5 |
Rating table notes
|
| Biographical data |
| Name: Ritman, J.H. |
| Born: |
| Died: |
|
| |
| References |
| Books |
| de Lint, 10-Jahrig Bestaan van den N.I.S.B., page 6, 9, 10, 34, 65 |
| Periodicals |
| [HNNI], vol. 27, no. 102, 4 May 1922, page 9 |
| [HNNI], vol. 29, no. 96, 24 Apr. 1924, page 9 |
| [TNS], vol. 30, no. 7, July 1922, page 191 |
| [TNS], vol. 36, no. 5, May 1928, page 130 |
| |
