| Ratings 
 
 
  | Year | Rank | Edo | Dev. | Games |  
  | 1911 | 953 | 1956 | (76) | 16 |  
  | 1912 | 933 | 1961 | (81) | 0 |  
  | 1913 | 941 | 1966 | (84) | 0 |  
  | 1914 | 897 | 1971 | (86) | 0 |  
  | 1915 | 838 | 1976 | (86) | 0 |  
  | 1916 | 818 | 1981 | (85) | 0 |  
  | 1917 | 806 | 1986 | (83) | 0 |  
  | 1918 | 812 | 1991 | (79) | 11 |  
 
Rating table notes
 | 
| Biographical data |  | 
   | Name: Christensen, F. |  
   | Born: |  
   | Died: |  |  |  |  
   | References |  | 
| Books |  
   | Di Felice, Chess Results, 1901-1920, page 302 |  
   | Thulin, Name index to CTC, page 47 |  |  |