Orange juice and apple juice are more suitable for morning matches and any clash involving Absinthe should really be left to the Grandmasters. The king is the tallest piece at 105mm. Select your favourite alcoholic beverage and pour it into your opponent's 16 glasses. Begin the game of chess as normal. Whenever a player makes a capture he must drink the contents of that piece.
Illegal moves are permissible as long as neither player notices.
The losing player must drink his own king as the final ignominy of defeat.