Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1916 |
936 |
1884 | (118) | 6 |
| 1917 |
946 |
1874 | (114) | 8 |
| 1918 |
953 |
1883 | (110) | 5 |
| 1919 |
918 |
1920 | (107) | 5 |
| 1920 |
965 |
1951 | (104) | 5 |
| 1921 |
1037 |
1968 | (99) | 5 |
| 1922 |
1022 |
1986 | (93) | 5 |
| 1923 |
1088 |
2000 | (86) | 5 |
| 1924 |
1082 |
2012 | (77) | 15 |
Rating table notes
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| Biographical data |
| Name: Ewing, John Morton |
| Born: 24 June 1889 |
| Died: 28 Feb. 1952 |
| |
| Notes: |
| Gaige has 'H. Ewing' in Chess Tournament Crosstables (vol.4, p.626) but according to Stephen Wright's BC Chess History website, it was John Morton Ewing who played at Hamilton 1924. |
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| References |
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