Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1925 |
1097 |
1996 | (75) | 8 |
| 1926 |
1072 |
2023 | (72) | 0 |
| 1927 |
1046 |
2050 | (66) | 7 |
| 1928 |
977 |
2071 | (68) | 0 |
| 1929 |
920 |
2091 | (67) | 0 |
| 1930 |
897 |
2111 | (63) | 0 |
| 1931 |
863 |
2131 | (55) | 13 |
| 1932 |
783 |
2154 | (55) | 11 |
| 1933 |
823 |
2152 | (59) | 9 |
| 1934 |
803 |
2159 | (66) | 0 |
| 1935 |
786 |
2167 | (70) | 0 |
| 1936 |
719 |
2174 | (71) | 0 |
| 1937 |
652 |
2182 | (70) | 0 |
| 1938 |
594 |
2189 | (66) | 0 |
| 1939 |
499 |
2196 | (60) | 15 |
| 1940 |
400 |
2196 | (66) | 0 |
| 1941 |
337 |
2196 | (70) | 11 |
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 |
| Di Felice, Chess Results, 1936-1940, page 367 |
| Di Felice, Chess Results, 1941-1946, page 45 |
| Gaige, Chess Personalia, page 312 |
| Thulin, Name index to CTC, page 195 |
| Periodicals |
| [NS], vol. 6, no. 7, July 1925, page 108 |
| |
