Yes! From your dashboard, Learn or Review a lesson from any of your courses. Click on ‘settings’. Choose your favorite piece and board style under ‘Select chess set’ and ‘Select chess board’. Click ‘OK’ to save it.
These are available for PRO users only:
Chess sets
Neo
Standard
Royal
Arcade
Royal 2
Neo 2
Herschel
Koop
Condal
Minimalist
Club
Chessboards
Brown
Blue
Red
Green
Wood
Marble
Metal
Glass
Concrete