A. Sostaks
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Marijampole op | ??/??/1996 | 495 | Lithuania |
| Marijampole op | ??/??/1994 | 624 | Lithuania |
| Wch U12 | ??/??/1993 | 92 | Slovakia |
Most Played Openings as White
| ECO | Opening | Games |
| C50 | King's pawn game | 3 games |
| C56 | Two knights defence | 3 games |
| C24 | Bishop's opening, Berlin defence | 1 games |
| C41 | Philidor's defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B79 | Sicilian, dragon, Yugoslav attack, 12.h4 | 2 games |
| E65 | King's Indian, fianchetto, Yugoslav, 7.O-O | 1 games |
| B74 | Sicilian, dragon, classical, 9.Nb3 | 1 games |
| A38 | English, symmetrical variation | 1 games |


Lithuania
Slovakia