Dane Mattson
Superior, WI
Pessoal do Chess.com
Jogador Titulado
Melhor Blogueiro
Treinador do 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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