Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1928 |
756 |
2165 | (80) | 7 |
| 1929 |
719 |
2178 | (82) | 0 |
| 1930 |
698 |
2191 | (81) | 0 |
| 1931 |
691 |
2204 | (80) | 0 |
| 1932 |
626 |
2217 | (76) | 9 |
Rating table notes
|
| Biographical data |
| Name: Karstens, Rolf Adolf Erich |
| Born: 2 Mar. 1899 |
| Died: 10 Jan. 1939 |
| |
| Notes: |
| Full name and birth and death dates from official records, copies of which were sent to me by Alan McGowan. |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1931-1935, page 120 |
| Periodicals |
| [SW], 1928, page 101 |
| [SW], 1932, page 139 |
| |
