Dane Mattson
Superior, WI
Сотрудник Chess.com
Шахматист со званием
Ведущий блогер
Тренер 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
Клубы
Improvers
6 130 пользователей
Coaches
1 754 пользователя
Chess.com Community
55 156 пользователей
Daily Puzzle Discussion Sans Trolls
115 пользователей
Slow LIVE Chess Association
4 043 пользователя