Olaf Michalski
Genewa/Łódź
Klubber
Chess.com Verified Titled Players
10 287 Medlemmer
Chess.com Community
57 851 Medlemmer
Chess.com - Polska
54 838 Medlemmer
Olympic Esports Series - Trials
8 746 Medlemmer
Polski Związek Szachowy
25 142 Medlemmer