Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1924 |
827 |
2119 | (66) | 13 |
| 1925 |
826 |
2131 | (70) | 0 |
| 1926 |
799 |
2142 | (70) | 0 |
| 1927 |
773 |
2154 | (68) | 0 |
| 1928 |
755 |
2165 | (63) | 10 |
| 1929 |
780 |
2166 | (71) | 0 |
| 1930 |
794 |
2167 | (77) | 0 |
| 1931 |
854 |
2167 | (80) | 0 |
| 1932 |
860 |
2168 | (82) | 0 |
| 1933 |
892 |
2169 | (82) | 0 |
| 1934 |
891 |
2169 | (81) | 0 |
| 1935 |
911 |
2170 | (78) | 0 |
| 1936 |
877 |
2171 | (73) | 0 |
| 1937 |
840 |
2172 | (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 |
| |
