A docile horse wears a gas mask as a precaution against gas attacks, on March 27, 1940. It was developed by "Our Dumb Friends League," a humane society in London, England. Read more: http://www.businessinsider.com/50-awesome-inventions-2010-9?op=1#ixzz1VKWxXZtR
You could turn the chess set into a drinking game with the alcohol concentration going up as the piece is stronger (king=vodka, queen=tequila, pawn=idk like beer or something). Each time you lose a piece you take that shot.