Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1927 |
566 |
1972 | (128) | 1 |
| 1928 |
479 |
1981 | (124) | 5 |
Rating table notes
|
| Biographical data |
| Name: Koshnitsky, Gregory Simon |
| Also known as: Kosh |
| Born: 6 Oct. 1907 |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 328 |
| Gaige, Chess Personalia, page 223 |
| |
