The Deschapelles Coup, named after a 19th-century French chess and whist player Alexandre Deschapelles,"Kudos for a Coup and an Inventor", Alan Truscott, New York Times, June 7 1987 is the lead of an unsupported honor to create an entry in partner's hand; often confused with the Merrimac coup, the lead of an unsupported honor to kill an entry in an opponent's hand.