Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1935 |
1198 |
2101 | (85) | 4 |
| 1936 |
1094 |
2120 | (81) | 0 |
| 1937 |
963 |
2139 | (75) | 0 |
| 1938 |
865 |
2158 | (67) | 16 |
Rating table notes
|
| Biographical data |
| Name: Roizen |
| Born: |
| Died: |
| |
| Notes: |
| Di Felice has 'Roizin' in Chess Results, 1931-1935 but 'Roizen' in Chess Results, 1936-1940. |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1931-1935, page 304 |
| Di Felice, Chess Results, 1936-1940, page 153 |
| |
