Nový Bor Chess Club on Twitter: "Match ŠK Slavoj Poruba vs Novoborský ŠK opens the 2019/2020 season of Czech Extraliga today in Ostrava. Live games at https://t.co/fkKfdcxP8r #chess #CzechExtraliga https://t.co/ThvVoTy0uw" / Twitter
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
![Learn chess strategy from Karpov - 1.part - weak squares, Karpov - Spassky, video by GM Ján Markoš. - YouTube Learn chess strategy from Karpov - 1.part - weak squares, Karpov - Spassky, video by GM Ján Markoš. - YouTube](https://i.ytimg.com/vi/u4IxPd8DFAY/maxresdefault.jpg)