The groups

The groups are

(Chess dancers) (Chess lovers)      (chess stormers) (chess eaters)

Count_Rugen       Kano995                  cowboy27      gksalf10

maxzac              poptart121              teja2chess      hoseinr

Sadsongster        hamedvaniadoost    nefloores      emeralds

kanoutis            sharathramkumar     JSSTORMZ     canny

tigerr               Phelon