Serious 3NT Serious 3NT Serious 3NT is a contract bridge bidding convention. It is used in game-forcing auctions where a major suit has been agreed upon. 1–2 if using 2/1 Game Forcing or 2–3 (Agreeing spades) The next bid indicates suitability for slam: Since Spades are the agreed trump suit, Three No Trump is not usually the best contract. Using Serious Three No Trump, a bid of Three No Trump says "I am Serious about slam", i.e. "I have a good hand". Bypassing bidding Three No Trump says "I am not Serious about Slam". Examples shown in the above auction. If one
Marjapussi player who is not starting a new trick cannot follow suit and trumps have been declared, the player must play a trump. If the player cannot follow suit or play trumps, the player can play any card. If possible within the previous restrictions, the player must always beat the high card in the trick. The trick is won by the highest trump, or if there are no trumps in the trick, by the highest card of the suit led. When a player has won a trick, he may declare trumps with a king and a queen of a same suit.