Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1927 |
265 |
2301 | (49) | 14 |
| 1928 |
235 |
2321 | (40) | 29 |
| 1929 |
291 |
2294 | (47) | 5 |
| 1930 |
363 |
2275 | (50) | 11 |
| 1931 |
532 |
2235 | (60) | 5 |
| 1932 |
592 |
2219 | (73) | 0 |
| 1933 |
692 |
2203 | (83) | 1 |
Rating table notes
|
| Biographical data |
| Name: Wertheim, Willem Fredrik |
| Born: 16 Nov. 1907 |
| Died: 3 Nov. 1998 |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 341 |
| Di Felice, Chess Results, 1931-1935, page 409 |
| Gaige, Chess Personalia, page 461 |
| Skinner and Verhoeven, Alexander Alekhine's Chess Games, page 447, 454 |
| Thulin, Name index to CTC, page 296 |
| Web |
| [Willem Frederik Wertheim] |
| |