| Ratings 
 
 
  | Year | Rank | Edo | Dev. | Games |  
  | 1926 | 1693 | 1677 | (105) | 9 |  
  | 1927 | 1704 | 1681 | (105) | 0 |  
  | 1928 | 1675 | 1685 | (105) | 0 |  
  | 1929 | 1674 | 1689 | (104) | 0 |  
  | 1930 | 1697 | 1693 | (102) | 0 |  
  | 1931 | 1809 | 1697 | (100) | 0 |  
  | 1932 | 1840 | 1701 | (97) | 0 |  
  | 1933 | 1807 | 1705 | (93) | 16 |  
 
Rating table notes
 | 
| Biographical data |  | 
   | Name: Lewis, H. (1) |  | Also known as: Dr. H. Lewis |  
   | Born: |  
   | Died: |  |  |  |  
   | References |  | 
| Books |  
   | Reitstein, Chess in South Africa, page 115, 210 |  | Periodicals |  
   | [FH], 24 May 1933, page 15 |  |  |