| Ratings 
 
 
  | Year | Rank | Edo | Dev. | Games |  
  | 1926 | 1006 | 2074 | (62) | 10 |  
  | 1927 | 1147 | 2042 | (57) | 25 |  
 
Rating table notes
 | 
| Biographical data |  | 
   | Name: Rupnik, Zdenko |  
   | Born: |  
   | Died: |  |  |  |  
   | References |  | 
| Books |  
   | Di Felice, Chess Results, 1921-1930, page 336 |  
   | Skinner and Verhoeven, Alexander Alekhine's Chess Games, page 386 |  
   | Thulin, Name index to CTC, page 228 |  | Periodicals |  
   | [WSZ], vol. 4, no. 20, Oct. 1926, page 317 |  |  |