Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1925 |
695 |
2148 | (59) | 17 |
| 1926 |
726 |
2146 | (61) | 0 |
| 1927 |
755 |
2144 | (58) | 15 |
| 1928 |
912 |
2108 | (66) | 0 |
| 1929 |
1060 |
2072 | (70) | 0 |
| 1930 |
1213 |
2037 | (71) | 0 |
| 1931 |
1374 |
2001 | (70) | 14 |
Rating table notes
|
| Biographical data |
| Name: Bošan, Jakov |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 319 |
| Di Felice, Chess Results, 1931-1935, page 376 |
| Gaige, Chess Personalia, page 48 |
| Thulin, Name index to CTC, page 36 |
| |
