Jacek Stachanczyk
Jaworzno
क्लब
Chess.com Verified Titled Players
10,304 सदस्य
Chess.com Legends Club
26,73,533 सदस्य
Olympic Esports Series - Trials
8,741 सदस्य
Klub Zbigniewa Paklezy
4,269 सदस्य
Polski Związek Szachowy
25,168 सदस्य