Dane M Mattson
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| National Open 2016 | 06/24/2016 | 2307 | United States |
| 25th Chicago Open 2016 | 05/26/2016 | 2334 | United States |
| Canadian op | 07/07/2007 | 1441 | Canada |
Most Played Openings as White
| ECO | Opening | Games |
| A25 | English, Sicilian reversed | 2 games |
| A30 | English, symmetrical variation | 1 games |
| A21 | English opening | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C13 | French, classical | 1 games |
| C02 | French, advance variation | 1 games |
| D20 | Queen's gambit accepted | 1 games |
| A07 | Reti, King's Indian attack (Barcza system) | 1 games |
United States
FIDE ID:

Canada