Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1938 |
1242 |
1971 | (77) | 14 |
| 1939 |
1062 |
1979 | (83) | 0 |
| 1940 |
837 |
1987 | (87) | 0 |
| 1941 |
744 |
1995 | (91) | 0 |
| 1942 |
599 |
2002 | (93) | 0 |
| 1943 |
497 |
2010 | (94) | 9 |
Rating table notes
|
| Biographical data |
| Name: Silberberg, Rolf |
| Also known as: R. Silverberg; Ralph Spencer; Ralph Michel |
| Born: 15 Aug. 1918 |
| Died: 1983 |
| |
| Notes: |
| Di Felice has 'Silberberg, F.' at Paris 1938; McGowan has Rolf Silberberg (a.k.a. Ralph Spencer). |
|
| |
| References |
|
| |
