Professor puzzle 3 in 1 game play battle of the boards with this professor puzzle 3 in 1 game which offers games of chess draughts and backgammon for you to play at your pleasure it includes everything you need such as chess pieces dice doubling cube as well as a folding chess draughts and backgammon 3 in 1 game chess draughts backgammon includes folding games board 30 draughts backgammon pieces 32 chest pieces 4 dice 2 dice cups 1 doubling