Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1925 |
652 |
2148 | (61) | 17 |
| 1926 |
656 |
2150 | (62) | 0 |
| 1927 |
681 |
2153 | (59) | 15 |
| 1928 |
818 |
2117 | (67) | 0 |
| 1929 |
943 |
2081 | (71) | 0 |
| 1930 |
1081 |
2045 | (73) | 0 |
| 1931 |
1188 |
2010 | (71) | 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 |
| |
