Mathias Berntsen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Oslo op2 | 02/15/2005 | 1369 |  Norway |
| Oslo-ch | 02/10/2004 | 1154 | Norway |
Most Played Openings as White
| ECO | Opening | Games |
| A28 | English, four knights system | 1 games |
| E10 | Queen's pawn game | 1 games |
| E33 | Nimzo-Indian, classical, 4...Nc6 | 1 games |
| D36 | Queen's Gambit Declined, exchange, positional line, 6.Qc2 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B34 | Sicilian, accelerated fianchetto, exchange variation | 1 games |
| B20 | Sicilian defence | 1 games |
| B77 | Sicilian, dragon, Yugoslav attack, 9.Bc4 | 1 games |
| A38 | English, symmetrical variation | 1 games |
