Jacek Stachanczyk
Jaworzno
क्लब
Chess.com Verified Titled Players
10,193 सदस्य
Chess.com Legends Club
25,69,295 सदस्य
Olympic Esports Series - Trials
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Klub Zbigniewa Paklezy
4,281 सदस्य
Polski Związek Szachowy
24,945 सदस्य