Sergiy Kovalov
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| UKR-chT | 04/10/2002 | 2165 | Ukraine |
| Petrov mem op | 02/12/2002 | 2184 | Russian Federation |
| UKR-ch | ??/??/2000 | 1580 | Ukraine |
| UKR-ch op | ??/??/1999 | 1806 | Ukraine |
Most Played Openings as White
| ECO | Opening | Games |
| D45 | Queen's Gambit Declined semi-Slav, 5.e3 | 3 games |
| D55 | Queen's Gambit Declined, 6.Nf3 | 2 games |
| A84 | Dutch defence | 2 games |
| D94 | Gruenfeld, 5.e3 | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B17 | Caro-Kann, Steinitz variation | 7 games |
| B12 | Caro-Kann defence | 5 games |
| A88 | Dutch, Leningrad, main variation with c6 | 3 games |
| A81 | Dutch defence | 2 games |
Ukraine
FIDE ID:

Russian Federation