Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1924 |
972 |
2021 | (73) | 7 |
| 1925 |
1073 |
2002 | (68) | 7 |
| 1926 |
1131 |
1994 | (69) | 7 |
| 1927 |
1130 |
2008 | (75) | 0 |
| 1928 |
1097 |
2022 | (80) | 5 |
Rating table notes
|
| Biographical data |
| Name: Robertson, K. |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 335 |
| Thulin, Name index to CTC, page 221 |
| |
