Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1910 |
1036 |
1869 | (71) | 20 |
| 1911 |
1048 |
1884 | (74) | 0 |
| 1912 |
1009 |
1898 | (75) | 0 |
| 1913 |
1009 |
1913 | (73) | 0 |
| 1914 |
953 |
1928 | (70) | 15 |
Rating table notes
|
| Biographical data |
| Name: Klassen, John |
| Born: |
| Died: |
| |
| Notes: |
| Gaige and Di Felice have 'J. Klaasse'; the American Chess Bulletin of Jul. 1914 (p.162) has 'J.H. Klaasse'; chessgames.com has 'John Klassen'. |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1901-1920, page 137 |
| Gaige, Chess Tournament Crosstables II, page 338 |
| Periodicals |
| [ACB], vol. 11, no. 7, July 1914, page 162 |
| Web |
| [US Open 1910, Chicago = 11th Western Champ.] |
| |
