M. Matseyko
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| UKR-ch sf U16 | 11/??/2001 | 382 | Ukraine |
| Ilyichevsk op U17 | ??/??/2000 | 119 | Ukraine |
Most Played Openings as White
| ECO | Opening | Games |
| B07 | Pirc defence | 2 games |
| B24 | Sicilian, closed | 2 games |
| B26 | Sicilian, closed, 6.Be3 | 1 games |
| C45 | Scotch game | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C30 | King's gambit | 1 games |
| A25 | English, Sicilian reversed | 1 games |
| A26 | English, closed system | 1 games |
| D48 | Queen's Gambit Declined semi-Slav, Meran, 8...a6 | 1 games |


Ukraine