Jacek Stachanczyk
Jaworzno
IBCA World Champion
Clubs
Chess.com Verified Titled Players
10.071 membros
Chess.com Legends Club
2.492.133 membros
Olympic Esports Series - Trials
8.783 membros
Klub Zbigniewa Paklezy
4.289 membros
Polski Związek Szachowy
24.818 membros