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)
Klubet
Liga Team Poland
287 Anëtarë
Middle-earth
176 Anëtarë
Team Warsaw
76 Anëtarë
World Cities League HQ
565 Anëtarë
World League Headquarters
658 Anëtarë