Fischwitsch
Chess.com 직원
타이틀 플레이어
Chess.com 코치

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