Ratings 
  
  | Year       | 
  Rank   | 
   Edo    | 
  Dev.   | 
  Games  | 
 
  | 1921  | 
  1145  | 
  1894 |  (81) |   7 | 
 
  | 1922  | 
  1153  | 
  1907 |  (78) |   0 | 
 
  | 1923  | 
  1271  | 
  1921 |  (73) |   8 | 
 
  | 1924  | 
  1296  | 
  1912 |  (79) |   0 | 
 
  | 1925  | 
  1380  | 
  1904 |  (84) |   0 | 
 
  | 1926  | 
  1473  | 
  1896 |  (87) |   0 | 
 
  | 1927  | 
  1498  | 
  1888 |  (89) |   0 | 
 
  | 1928  | 
  1510  | 
  1879 |  (90) |   0 | 
 
  | 1929  | 
  1534  | 
  1871 |  (90) |   7 | 
 
  
Rating table notes
 
 | 
| Biographical data |  
   | Name: Jackson, John   | 
 
   | Born: 17 Oct. 1881 | 
 
   | Died: 20 Nov. 1952 | 
 
|   |  
   | Notes: | 
 
   | Is this John Jackson, who died in 1952 in Sheffield, aged about 70? | 
 
  |  
|   |  
   | References | 
 
| Books |  
   |    Di Felice, Chess Results, 1921-1930, page 327 | 
 
   |    Thulin, Name index to CTC, page 119 | 
 
| Web |  
   |    [John Jackson] | 
 
 
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