Metz ou sur toute autre frontiere serait declarer la guerre a la nation et abdiquer le trone.
If the declarer succeeds in making at least the number of tricks he stood for he wins whatever stakes are played for; if not he loses.
The author introduces an element of verisimilitude into the play by allowing declarer to make the contract in spite of herself.
declarer played in 4, just making - 6 IMPs to David and Doug.
This gave declarer a fairly precise count on the hand.