Twitter \ Nový Bor Chess Club على تويتر: "3rd and 4th round of Czech Extraliga are on program this weekend. Some matches already started, and our match against ŠK Duras BVK just
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Learn chess strategy from Karpov - 1.part - weak squares, Karpov - Spassky, video by GM Ján Markoš. - YouTube
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