Jacek Stachanczyk
Jaworzno
IBCA World Champion 2014
Clubs
Chess.com Verified Titled Players
10.052 membros
Chess.com Legends Club
2.466.964 membros
Olympic Esports Series - Trials
8.783 membros
Klub Zbigniewa Paklezy
4.292 membros
Polski Związek Szachowy
24.789 membros