Dane Mattson
Superior, WI
Administrație Chess.com
Jucător titrat
Cel mai bun blogger
Antrenor Chess.com
National Master Dane Mattson. Chess.com Daily Puzzle curator, Lessons author. Fellow traveler on the road to chess improvement and fullfilment. Join us for the 2025 Improvement Challenge! 
https://www.chess.com/news/view/announcing-chess-improvement-challenge-2025
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