What are the chess pieces on big brother?

I just tuned in to the live feeds and what the frig are they talking about, the missing chess pieces?|||The missing chess pieces are to the chess game they have up in the HOH hallway.|||porche hid them answer mine http://answers.yahoo.com/question/index;_ylt=AmlUutYpIupxOpFszIPoAEjty6IX;_ylv=3?qid=20110812201411AAGAPJv