| Ratings 
 
 
  | Year | Rank | Edo | Dev. | Games |  
  | 1898 | 399 | 2135 | (125) | 5 |  
 
Rating table notes
 | 
| Biographical data |  | 
   | Name: Hanff, Walter |  | Also known as: Dr. med. Walter Hanff |  
   | Born: 20 Feb. 1846 |  
   | Died: 4 Sep. 1929 |  |  |  
   | Notes: |  
   | Birth and death dates from marriage and death records provided by Alan McGowan. |  |  |  |  
   | References |  | 
| Books |  
   | Berger, Schach-Jahrbuch 1899/1900, page 144, 258 |  
   | Di Felice, Chess Results, 1747-1900, page 226 |  
   | Schömann, Städtische Gymnasium in Danzig, page 67 |  | Periodicals |  
   | [DSB], vol. 1, no. 1, 4 July 1909, page 16 |  
   | [DSZ], vol. 53, no. 4, Apr. 1898, page 124 |  |  |