| Ratings 
 
 
  | Year | Rank | Edo | Dev. | Games |  
  | 1940 | 542 | 2200 | (67) | 7 |  
  | 1941 | 489 | 2209 | (64) | 12 |  
 
Rating table notes
 | 
| Biographical data |  | 
   | Name: Habermann, Ewald |  
   | Born: |  
   | Died: |  |  |  |  
   | References |  | 
| Books |  
   | Di Felice, Chess Results, 1936-1940, page 356 |  
   | Di Felice, Chess Results, 1941-1946, page 342 |  |  |