M. Grewling
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| POL-chT U20 2nd div North | ??/??/2000 | 375 | Poland |
Most Played Openings as White
| ECO | Opening | Games |
| C50 | King's pawn game | 2 games |
| B13 | Caro-Kann, exchange variation | 1 games |
| C55 | Two knights defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B01 | Scandinavian (centre counter) defence | 3 games |
| C45 | Scotch game | 1 games |
| A00 | Polish (Sokolsky) opening | 1 games |


Poland