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)
کلب
Liga Team Poland
289 ارکان
Middle-earth
176 ارکان
Team Warsaw
77 ارکان
World Cities League HQ
557 ارکان
World League Headquarters
643 ارکان