Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1926 |
281 |
2277 | (54) | 16 |
| 1927 |
216 |
2317 | (54) | 0 |
| 1928 |
159 |
2357 | (48) | 14 |
| 1929 |
145 |
2369 | (48) | 5 |
| 1930 |
121 |
2387 | (44) | 19 |
| 1931 |
83 |
2409 | (47) | 0 |
| 1932 |
61 |
2432 | (41) | 19 |
| 1933 |
80 |
2412 | (35) | 37 |
| 1934 |
93 |
2396 | (38) | 21 |
| 1935 |
130 |
2375 | (36) | 26 |
| 1936 |
97 |
2402 | (42) | 0 |
| 1937 |
65 |
2429 | (32) | 51 |
| 1938 |
94 |
2408 | (39) | 15 |
| 1939 |
110 |
2388 | (46) | 0 |
| 1940 |
131 |
2368 | (42) | 32 |
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 |
| 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 |
| |
