Sergey Onischuk
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| UKR Universiad B1 8th | 06/07/2007 | 1797 |  Ukraine |
Most Played Openings as White
| ECO | Opening | Games |
| A00 | Polish (Sokolsky) opening | 1 games |
| A32 | English, symmetrical variation | 1 games |
| A53 | Old Indian defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D26 | Queen's Gambit Accepted, 4...e6 | 1 games |
| B38 | Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3 | 1 games |
| A05 | Reti opening | 1 games |
| D20 | Queen's gambit accepted | 1 games |
