| Ratings 
 
 
  | Year | Rank | Edo | Dev. | Games |  
  | 1924 | 620 | 2163 | (59) | 11 |  
  | 1925 | 588 | 2178 | (54) | 11 |  
  | 1926 | 464 | 2221 | (55) | 8 |  
  | 1927 | 451 | 2232 | (60) | 0 |  
  | 1928 | 426 | 2244 | (60) | 13 |  
 
Rating table notes
 | 
| Biographical data |  | 
   | Name: Blumberg, S.I. |  
   | Born: |  
   | Died: |  |  |  |  
   | References |  | 
| Books |  
   | Di Felice, Chess Results, 1921-1930, page 210 |  
   | Gaige, Chess Tournament Crosstables IV, page 809 |  |  |