Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1926 |
306 |
2280 | (53) | 16 |
| 1927 |
223 |
2319 | (54) | 0 |
| 1928 |
160 |
2357 | (47) | 14 |
| 1929 |
151 |
2370 | (48) | 5 |
| 1930 |
123 |
2389 | (44) | 19 |
| 1931 |
83 |
2412 | (47) | 0 |
| 1932 |
58 |
2435 | (41) | 19 |
| 1933 |
78 |
2417 | (35) | 37 |
| 1934 |
84 |
2409 | (37) | 21 |
| 1935 |
99 |
2402 | (32) | 44 |
| 1936 |
73 |
2426 | (37) | 13 |
| 1937 |
52 |
2448 | (30) | 64 |
| 1938 |
70 |
2427 | (37) | 15 |
| 1939 |
79 |
2413 | (41) | 11 |
| 1940 |
113 |
2385 | (41) | 32 |
Rating table notes
|
| Biographical data |
| Name: Appel, Isaak |
| Born: Jan. 1905 |
| Died: Dec. 1941 |
| |
| Notes: |
| Gaige has date of birth as 'c1905' and date of death as 'c1941'. Jan Kersten sends birth and death dates of 01-1905 and 12-1941 from Shakhmatnaya Evreiskaya Entsiklopedia (p.255). |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 317 |
| Di Felice, Chess Results, 1931-1935, page 374 |
| Di Felice, Chess Results, 1936-1940, page 346 |
| Gaige, Chess Personalia, page 12 |
| Skinner and Verhoeven, Alexander Alekhine's Chess Games, page 587 |
| Thulin, Name index to CTC, page 13 |
| Woodger, Reuben Fine, page 347 |
| |
