Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1924 |
831 |
2107 | (67) | 13 |
| 1925 |
827 |
2119 | (70) | 0 |
| 1926 |
791 |
2131 | (71) | 0 |
| 1927 |
771 |
2144 | (68) | 0 |
| 1928 |
746 |
2156 | (64) | 10 |
| 1929 |
765 |
2157 | (71) | 0 |
| 1930 |
800 |
2157 | (77) | 0 |
| 1931 |
858 |
2158 | (80) | 0 |
| 1932 |
862 |
2159 | (82) | 0 |
| 1933 |
884 |
2160 | (82) | 0 |
| 1934 |
895 |
2160 | (81) | 0 |
| 1935 |
911 |
2161 | (78) | 0 |
| 1936 |
871 |
2162 | (73) | 0 |
| 1937 |
840 |
2163 | (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 |
| |
