| Ratings 
 
 
  | Year | Rank | Edo | Dev. | Games |  
  | 1864 | 256 | 2017 | (70) | 14 |  
  | 1865 | 277 | 2013 | (71) | 4 |  
  | 1866 | 284 | 2035 | (74) | 14 |  
  | 1867 | 258 | 2052 | (80) | 0 |  
  | 1868 | 251 | 2069 | (84) | 0 |  
  | 1869 | 238 | 2087 | (86) | 0 |  
  | 1870 | 234 | 2104 | (87) | 0 |  
  | 1871 | 235 | 2122 | (87) | 0 |  
  | 1872 | 224 | 2139 | (86) | 0 |  
  | 1873 | 208 | 2156 | (83) | 0 |  
  | 1874 | 192 | 2174 | (79) | 0 |  
  | 1875 | 181 | 2191 | (73) | 12 |  
 
Rating table notes
 | 
| Biographical data |  | 
   | Name: Sayen, William Henry |  
   | Born: 14 May 1846 |  
   | Died: 14 June 1921 |  |  |  |  
   | References |  | 
| Books |  
   | Gaige, Chess Personalia, page 374 |  
   | Gilberg, Fifth American Chess Congress, page 103 |  
   | Reichhelm and Shipley, Chess in Philadelphia, page 10 |  
   | van Winsen, James Mason in America, page 72 |  | Periodicals |  
   | [BDE], 30 Dec. 1874 |  
   | [DCJ], no. 71, Mar. 1876, page 138 |  
   | [MCR], vol. 1, no. 12, Dec. 1874, page 497 |  
   | [MCR], vol. 2, no. 18, June 1875, page 206 |  
   | [NYC], 2 Apr. 1870 |  
   | [NYC], 26 Dec. 1874 |  
   | [PDEB], 5 Mar. 1864 |  
   | [PDEB], 7 June 1867 |  
   | [SZ], vol. 24, no. 4, Apr. 1869, page 108 |  
   | [WSoT], 4 Nov. 1865 |  |  |