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
Singaporean bridge and this is not a universal rule - is in no-trump games, the winner of the bid will begin the game. The other less-agreed-upon rule is the drawing of trumps. Some people play by the rule that the drawing of trumps can only begin when the player drawing trumps already has a void suit or when trump has been broken (i.e. a trump card has already been played), some play by the rule that drawing can be done at any point in the game, while most play by the rule that trumps can only be drawn when the trump suit