For each piece of yours that is taken, you are required to drink the value of the piece as measured in shot glasses of beer.Pawn - 1 shotKnight - 3 shotsBishop - 3 shotsRook - 5 shotsQueen - 9 shots Mechanical Turkey » Blog Archive » Drinking Chess Tournament

Taken from Mechanicak Turkey. That's the first time I've heard of an actual chess tournament where alcohol was an element in the tournament. This tournament is organised by the Monash University Chess Association.