Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1924 |
877 |
2074 | (74) | 13 |
| 1925 |
912 |
2079 | (81) | 0 |
| 1926 |
927 |
2085 | (86) | 0 |
| 1927 |
936 |
2090 | (89) | 0 |
| 1928 |
914 |
2096 | (92) | 0 |
| 1929 |
926 |
2102 | (93) | 0 |
| 1930 |
947 |
2107 | (94) | 0 |
| 1931 |
986 |
2113 | (94) | 0 |
| 1932 |
969 |
2119 | (93) | 0 |
| 1933 |
970 |
2124 | (90) | 0 |
| 1934 |
964 |
2130 | (87) | 0 |
| 1935 |
994 |
2135 | (83) | 0 |
| 1936 |
918 |
2141 | (77) | 0 |
| 1937 |
856 |
2147 | (69) | 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 |
| |
