Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1898 |
978 |
1751 | (118) | 1 |
| 1899 |
1005 |
1758 | (113) | 0 |
| 1900 |
1026 |
1765 | (108) | 0 |
| 1901 |
1024 |
1772 | (102) | 10 |
| 1902 |
1013 |
1771 | (107) | 0 |
| 1903 |
985 |
1770 | (111) | 0 |
| 1904 |
1029 |
1770 | (114) | 1 |
| 1905 |
1067 |
1765 | (120) | 0 |
| 1906 |
1044 |
1759 | (125) | 0 |
| 1907 |
1087 |
1754 | (129) | 0 |
| 1908 |
1085 |
1749 | (134) | 0 |
| 1909 |
1185 |
1743 | (137) | 1 |
Rating table notes
|
| Biographical data |
| Name: Jonsson, Herman Leonard |
| Born: 20 Feb. 1860 |
| Died: 30 Dec. 1936 |
|
| |
| References |
| Books |
| Gaige, Chess Personalia, page 197 |
| Krause, Rosendahl and Englund, De Nordiska Schackkongresserna, page C.4, C.8 |
| Periodicals |
| [TFS], vol. 36, no. 3, Mar. 1930, page 49 |
| |