chess amateur player and arbiter (regional class), in chess.com superadmin of Team Warsaw (since Nov 2018), admin of Vatican City team (Jan-Dec 2018)
Клубы
Liga Team Poland
287 пользователей
Middle-earth
176 пользователей
Team Warsaw
76 пользователей
World Cities League HQ
565 пользователей
World League Headquarters
669 пользователей