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