Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1927 |
503 |
2211 | (120) | 4 |
Rating table notes
|
| Biographical data |
| Name: Sivkov, Nikolay Ivanovich |
| Born: 1906 |
| Died: 17 Dec. 1927 |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 175 |
| Gaige, Chess Personalia, page 394 |
| Gaige, Chess Tournament Crosstables IV, page 763 |
| |
