David Ostrowski
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| GER-chT U20 | 12/27/2004 | 1866 | Germany |
| GER-chT U20 | 12/27/2003 | 1907 | Germany |
| GER-chT U20 | 12/??/2002 | 1884 | Germany |
| Leverkusen op | ??/??/2001 | 606 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| C19 | French, Winawer, advance, 6...Ne7 | 5 games |
| B76 | Sicilian, dragon, Yugoslav attack, 7...O-O | 3 games |
| B07 | Pirc defence | 3 games |
| B75 | Sicilian, dragon, Yugoslav attack | 3 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A17 | English opening | 4 games |
| C41 | Philidor's defence | 4 games |
| C50 | King's pawn game | 4 games |
| C52 | Evans gambit | 4 games |


Germany