S_O-C
Klubai
PRO Chess League
PRO Chess League 21 049 Nariai (-ių)
ICU
ICU 1 889 Nariai (-ių)
Irish Juniors
Irish Juniors 68 Nariai (-ių)
Chess School
Chess School 102 983 Nariai (-ių)
Chess University
Chess University 113 975 Nariai (-ių)