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)
Klubovi
Liga Team Poland
287 član(ov)a
Middle-earth
176 član(ov)a
Team Warsaw
76 član(ov)a
World Cities League HQ
565 član(ov)a
World League Headquarters
658 član(ov)a