Sebastian Matz Nielsen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| North Sea Cup 22nd | 07/13/2007 | 1364 | Denmark |
| North Sea Cup 21st | 07/08/2006 | 1180 | Denmark |
| North Sea Cup 20th | 07/02/2005 | 1104 | Denmark |
Most Played Openings as White
| ECO | Opening | Games |
| B15 | Caro-Kann defence | 3 games |
| C02 | French, advance variation | 2 games |
| C41 | Philidor's defence | 2 games |
| B06 | Robatsch (modern) defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C54 | Giuoco Piano | 2 games |
| C24 | Bishop's opening, Berlin defence | 1 games |
| C65 | Ruy Lopez, Berlin defence | 1 games |
| A20 | English opening | 1 games |


Denmark