| Ratings 
 
 
  | Year | Rank | Edo | Dev. | Games |  
  | 1890 | 924 | 1600 | (162) | 13 |  
 
Rating table notes
 | 
| Biographical data |  | 
   | Name: Herman, D. (2) |  
   | Born: |  
   | Died: |  |  |  
   | Notes: |  
   | Name given as 'Hermann' in Pollock Memories. |  |  |  |  
   | References |  | 
| Books |  
   | Di Felice, Chess Results, 1747-1900, page 226 |  
   | Rowland, Pollock Memories, page 94 |  |  |