Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1926 |
351 |
2225 | (61) | 16 |
| 1927 |
324 |
2248 | (66) | 0 |
| 1928 |
264 |
2271 | (67) | 0 |
| 1929 |
211 |
2294 | (66) | 0 |
| 1930 |
164 |
2316 | (61) | 19 |
Rating table notes
|
| Biographical data |
| Name: Appel, Isaak |
| Born: 1905 |
| Died: 1941 |
| |
| Notes: |
| Gaige has date of birth as 'c1905' and date of death as 'c1941'. |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 317 |
| Gaige, Chess Personalia, page 12 |
| Thulin, Name index to CTC, page 13 |
| |
