Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1940 |
970 |
2093 | (78) | 7 |
| 1941 |
919 |
2099 | (78) | 0 |
| 1942 |
851 |
2105 | (76) | 9 |
Rating table notes
|
| Biographical data |
| Name: Crabbendam, U. |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1936-1940, page 286 |
| Di Felice, Chess Results, 1947-1950, page 455 |
| Periodicals |
| [NYTi], vol. 97, no. 32894, 15 Feb. 1948, page S5 |
| [Volk], vol. 43, no. 17390, 1 Aug. 1942, page 4 |
| |
