| Ratings 
 
 
  | Year | Rank | Edo | Dev. | Games |  
  | 1927 | 838 | 2122 | (62) | 9 |  
  | 1928 | 913 | 2110 | (56) | 9 |  
  | 1929 | 920 | 2113 | (58) | 9 |  
  | 1930 | 1028 | 2093 | (67) | 0 |  
  | 1931 | 1191 | 2073 | (72) | 0 |  
  | 1932 | 1275 | 2052 | (75) | 0 |  
  | 1933 | 1350 | 2032 | (77) | 0 |  
  | 1934 | 1461 | 2012 | (76) | 0 |  
  | 1935 | 1550 | 1992 | (73) | 9 |  
 
Rating table notes
 | 
| Biographical data |  | 
   | Name: Shoobridge, G.A. |  
   | Born: |  
   | Died: |  |  |  |  
   | References |  | 
| Books |  
   | Di Felice, Chess Results, 1921-1930, page 337 |  
   | Di Felice, Chess Results, 1931-1935, page 403 |  
   | Thulin, Name index to CTC, page 248 |  |  |