| Ratings 
 
 
  | Year | Rank | Edo | Dev. | Games |  
  | 1854 | 144 | 1895 | (148) | 4 |  
  | 1855 | 168 | 1903 | (147) | 0 |  
  | 1856 | 187 | 1911 | (146) | 0 |  
  | 1857 | 192 | 1919 | (145) | 0 |  
  | 1858 | 210 | 1927 | (143) | 0 |  
  | 1859 | 231 | 1935 | (141) | 0 |  
  | 1860 | 247 | 1943 | (139) | 0 |  
  | 1861 | 255 | 1951 | (137) | 0 |  
  | 1862 | 270 | 1959 | (134) | 0 |  
  | 1863 | 259 | 1967 | (132) | 0 |  
  | 1864 | 270 | 1975 | (129) | 0 |  
  | 1865 | 288 | 1983 | (125) | 0 |  
  | 1866 | 310 | 1991 | (121) | 0 |  
  | 1867 | 298 | 1999 | (117) | 0 |  
  | 1868 | 302 | 2007 | (112) | 0 |  
  | 1869 | 295 | 2015 | (107) | 0 |  
  | 1870 | 300 | 2023 | (101) | 0 |  
  | 1871 | 316 | 2031 | (94) | 14 |  
 
Rating table notes
 | 
| Biographical data |  | 
   | Name: Maddison, G.L. |  
   | Born: |  
   | Died: |  |  |  
   | Notes: |  
   | The Canadian Illustrated News of 15 Mar. 1873 (p.175) has 'G.H. Maddison'. |  |  |  |  
   | References |  | 
| Books |  
   | Hilbert, Writings in Chess History, page 338 |  | Periodicals |  
   | [AAM], vol. 4, no. 3, Mar. 1854, page 334 |  
   | [CIN], vol. 7, no. 11, 15 Mar. 1873, page 175 |  
   | [ILN], vol. 62, no. 1755, 19 Apr. 1873, page 379 |  
   | [TG], vol. 28, 18 Aug. 1871, page 3 |  
   | [TG], vol. 30, no. 120, 19 May 1873, page 4 |  
   | [WP], vol. 5, no. 12, 1 Apr. 1873, page 189 |  | Web |  
   | Hilbert, John S.  [Howard Staunton and Chess by 'Electric Telegraph'] |  |  |