suggested reading:
http://blog.chess.com/webmaster/introducing-live-chess-4
http://www.chess.com/forum/view/suggestions/the-new-live-chess-interface?lc=1#last_comment
sftac
To change the board (size, colour, etc.), after entering the Live Chess section, at the upper right of the lower right quadrant (Tabs: Console, Friends, Chat, [icon])click the small tab with a dark grey irregular circle [icon] inside a lighter grey tab.
Then choose: 'Style', to select your board (& piece) options.
sftac
If you need help, please contact our Help and Support team.
Has something changed? I no longer get the filter. Since yesterday.