| Ratings 
 
 
  | Year | Rank | Edo | Dev. | Games |  
  | 1866 | 225 | 2104 | (139) | 3 |  
  | 1867 | 224 | 2095 | (141) | 0 |  
  | 1868 | 242 | 2085 | (142) | 0 |  
  | 1869 | 244 | 2076 | (144) | 0 |  
  | 1870 | 261 | 2066 | (145) | 0 |  
  | 1871 | 285 | 2057 | (146) | 0 |  
  | 1872 | 306 | 2047 | (147) | 0 |  
  | 1873 | 318 | 2038 | (148) | 0 |  
  | 1874 | 335 | 2029 | (148) | 0 |  
  | 1875 | 363 | 2019 | (149) | 1 |  
 
Rating table notes
 | 
| Biographical data |  | 
   | Name: Moffat, Robert Scott |  
   | Born: 1831 |  
   | Died: 1 Mar. 1895 |  |  |  
   | Notes: |  
   | The Chess Player's Magazine of June 1866 (p.191) has 'R.S. Moffatt'. McGowan gives date of birth as 'c. 1831'. |  |  |  |  
   | References |  | 
| Books |  
   | Forster, Amos Burn, page 965 |  
   | Gaige, Chess Personalia, page 287 |  
   | Harding, Steinitz in London, page 154 |  | Periodicals |  
   | [Alb], 5 June 1869 |  
   | [BLL], no. 2339, 16 Feb. 1867, page 7 |  
   | [CLCM], vol. 2, no. 4, May 1875, page 110 |  
   | [CPC], vol. 4, no. 10, Aug. 1875, page 312 |  
   | [CPM], vol. 2, no. 6, June 1866, page 191 |  
   | [ILN], vol. 54, no. 1529, 13 Mar. 1869, page 275 |  
   | [ILN], vol. 54, no. 1533, 10 Apr. 1869, page 371 |  
   | [ILN], vol. 54, no. 1538, 15 May 1869, page 508 |  
   | [ILN], vol. 59, no. 1683, 16 Dec. 1871, page 575 |  
   | [ILN], vol. 76, no. 2134, 24 Apr. 1880, page 414 |  
   | [LeM], 5 Mar. 1895 |  
   | [WP], vol. 9, no. 7, 1 Nov. 1876, page 123 |  | Web |  
   | McGowan, Alan.  [Robert Scott Moffat] |  |  |