The World Senior Team Chess Championship is open to all players, regardless of rating and title, who reach their age of 50 and 65 by 31st December 2025 and represent National Chess Federations which are members of FIDE. Teams can register only through their national chess federations. There is no limit in the number of teams per federation (club teams, city teams, regional teams, national teams, etc. may start in the championship, there is no limitation). There is only one limitation – all team players must be members of the same chess federation (for example CZE).