| Ratings 
 
 
  | Year | Rank | Edo | Dev. | Games |  
  | 1866 | 347 | 1929 | (125) | 5 |  
 
Rating table notes
 | 
| Biographical data |  | 
   | Name: Robertson, Hercules James |  | Also known as: Lord Benholme |  
   | Born: 13 Oct. 1795 |  
   | Died: 15 Sep. 1874 |  |  |  |  
   | References |  | 
| Books |  
   | Harding, Eminent Victorian Chess Players, page 139 |  | Periodicals |  
   | [BLL], no. 2415, 1 Aug. 1868, page 10 |  
   | [CPC], vol. 4, no. 5, Oct. 1874, page 153 |  
   | [CPM], vol. 2, no. 9, Sep. 1866, page 280 |  
   | [CPQC], vol. 1, no. 3, 18 July 1868, page 85 |  
   | [CPQC], vol. 1, no. 4, Nov. 1868, page 117 |  
   | [CPQC], vol. 1, no. 8, Aug. 1869, page 248 |  
   | [CPQC], vol. 2, no. 4, Aug. 1870, page 121 |  
   | [CW], vol. 2, no. 7, Sep. 1866, page 195 |  
   | [ILN], vol. 49, no. 1385, 18 Aug. 1866, page 171 |  
   | [ILN], vol. 49, no. 1386, 25 Aug. 1866, page 195 |  
   | [ILN], vol. 51, no. 1454, 9 Nov. 1867, page 523 |  
   | [NYC], 31 Oct. 1874 |  
   | [WP], vol. 7, no. 6, 1 Oct. 1874, page 105 |  | Web |  
   | Mann, Steve.  [Yorkshire Chess History - 1865: 1st Redcar Meeting] |  
   | Mann, Steve.  [Yorkshire Chess History - 1866: NYDCA, 2nd Redcar Meeting] |  
   | Mann, Steve.  [Yorkshire Chess History - Hercules James Robertson, Lord Benholme] |  |  |