Talk about munching a pawn, huh?
The Joys of Eating Wood

I would have to say that you really are taking a chance with this type of chess. Just make sure your opponent washes his or her hands after the restroom.
I think eating your own King is tantamount to resignation.
Actually, I disagree.
I do not believe there is a rule in chess that says that if you do not have a king, you lose the game. (Blitz doesn't count!)
I only think you can lose the game if you HAVE a king and it cannot move anywhere.
Thus, I am led to believe that eating your king will make you invincible.
And once all your pieces have been taken, you can claim "stalemate".
Wait -- isn't stalemate when you win using a set that's too old?
No... it's a draw when none of your pieces can move without breaking some rule of chess.
For example, take a chess board, and put the White king on g6, the Black king on g8, and put a White bishop on g7. If it is Black's move, he has no legal moves, so it's called "stalemate".
Suddenly takes on a whole new meaning:
Chess piece cookie cutters. They can be found here:
http://www.dailyolive.com/2007/03/edible-chess-pi.html