Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1924 |
834 |
2113 | (66) | 13 |
| 1925 |
836 |
2124 | (70) | 0 |
| 1926 |
806 |
2136 | (70) | 0 |
| 1927 |
784 |
2148 | (68) | 0 |
| 1928 |
764 |
2160 | (63) | 10 |
| 1929 |
782 |
2160 | (71) | 0 |
| 1930 |
802 |
2161 | (77) | 0 |
| 1931 |
858 |
2162 | (80) | 0 |
| 1932 |
866 |
2163 | (82) | 0 |
| 1933 |
900 |
2163 | (82) | 0 |
| 1934 |
893 |
2164 | (81) | 0 |
| 1935 |
915 |
2165 | (78) | 0 |
| 1936 |
880 |
2166 | (73) | 0 |
| 1937 |
840 |
2166 | (66) | 13 |
Rating table notes
|
| Biographical data |
| Name: Kerkovius, R. |
| Born: |
| Died: |
| |
| Notes: |
| Di Felice has 'Kerkoviuss, R.' in Chess Results, 1936-1940. |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 91 |
| Di Felice, Chess Results, 1936-1940, page 127 |
| Thulin, Name index to CTC, page 130 |
| |
