| Ratings 
 
 
  | Year | Rank | Edo | Dev. | Games |  
  | 1914 | 204 | 2290 | (65) | 4 |  
  | 1915 | 176 | 2299 | (53) | 10 |  
  | 1916 | 182 | 2292 | (48) | 18 |  
  | 1917 | 205 | 2279 | (55) | 0 |  
  | 1918 | 232 | 2265 | (57) | 12 |  
 
Rating table notes
 | 
| Biographical data |  | 
   | Name: Malmgren, Bertil |  
   | Born: 1893 |  
   | Died: 6 Dec. 1918 |  |  |  
   | Notes: |  
   | Gaige gives date of birth between 7-12-1892 and 6-12-1893. |  |  |  |  
   | References |  | 
| Books |  
   | Di Felice, Chess Results, 1901-1920, page 232 |  
   | Gaige, Chess Personalia, page 265 |  
   | Gaige, Chess Tournament Crosstables III, page 462 |  
   | Skinner and Verhoeven, Alexander Alekhine's Chess Games, page 109 |  | Periodicals |  
   | [TFS], vol. 19, no. 11, Nov. 1913, page 199 |  
   | [TFS], vol. 107, no. 3, Mar. 2001, page 162 |  |  |