Clubs

European Online Chess Championship Regulations: https://www.europechess.org/european-online-chess-championship-2020-regulations/
European Chess Union is a sports association founded in 1985 in Graz, Austria; ECU is the only organisation which has the right to organize various European Chess Championships; European Chess Union has 54 National Federation Members;
Every year ECU organizes more than 20 prestigious events and championships;