Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1925 |
976 |
1935 | (81) | 8 |
| 1926 |
947 |
1959 | (79) | 0 |
| 1927 |
934 |
1984 | (75) | 7 |
| 1928 |
850 |
1995 | (79) | 0 |
| 1929 |
785 |
2006 | (81) | 0 |
| 1930 |
788 |
2018 | (82) | 0 |
| 1931 |
603 |
2029 | (81) | 0 |
| 1932 |
528 |
2040 | (79) | 0 |
| 1933 |
387 |
2052 | (75) | 13 |
Rating table notes
|
| Biographical data |
| Name: Opsahl, Haakon |
| Born: 10 Feb. 1905 |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 333 |
| Di Felice, Chess Results, 1931-1935, page 397 |
| Gaige, Chess Personalia, page 312 |
| Thulin, Name index to CTC, page 195 |
| Periodicals |
| [NS], vol. 6, no. 7, July 1925, page 108 |
| |
