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)
Félög
Liga Team Poland
287 Meðlimir
Middle-earth
176 Meðlimir
Team Warsaw
76 Meðlimir
World Cities League HQ
564 Meðlimir
World League Headquarters
658 Meðlimir