Olaf Michalski
Genewa/Łódź
Klub
Chess.com Verified Titled Players
10.119 Anggota
Chess.com Community
53.999 Anggota
Chess.com - Polska
53.026 Anggota
Olympic Esports Series - Trials
8.773 Anggota
Polski Związek Szachowy
24.871 Anggota