Jacek Stachanczyk
Jaworzno
IBCA World Champion
Clubs
Chess.com Verified Titled Players
10.193 membros
Chess.com Legends Club
2.569.267 membros
Olympic Esports Series - Trials
8.764 membros
Klub Zbigniewa Paklezy
4.281 membros
Polski Związek Szachowy
24.945 membros