Michal Mazurkiewicz
Klubber
Chess.com Verified Titled Players
10.291 Medlemmer
Polski Związek Szachowy
25.159 Medlemmer
Chess.com Legends Club
2.673.030 Medlemmer
Olympic Esports Series - Trials
8.745 Medlemmer
Klub Zbigniewa Paklezy
4.269 Medlemmer