Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1925 |
659 |
2148 | (60) | 17 |
| 1926 |
684 |
2145 | (61) | 0 |
| 1927 |
728 |
2143 | (58) | 15 |
| 1928 |
860 |
2107 | (66) | 0 |
| 1929 |
998 |
2071 | (70) | 0 |
| 1930 |
1147 |
2035 | (72) | 0 |
| 1931 |
1288 |
2000 | (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 |
| |
