Ace Ventura: When Nature Calls

In the scene where Ace solves case and accuses the rich guy to steal the bat, it starts with a board covered with pieces of chess plays with Ace King. where did it away and reflects the rich guys, you can see the board and it is empty. what happened to pieces?

omg Have you watched that too today? I thought that now one else saw that! hahaha. I did not know either.

I do not know, but ... ChiCaca!