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BR 3.5 - Bidding in the Auction
In Contract Bridge the play of the cards is preceded by the auction period.
Each bids made during the auction consists of :
- a number between 1 and 7 - indicating the number of tricks, over and above the first six tricks, a player is contracting to make, and
- a trump suit or No Trumps - indicating the mode of play, No Trumps or a trump contract in the specified suit.
With a bid of 1NT a side must make at least 6 + 1 = 7 tricks played without a trump suit.
With a bid of 2H a side must make at least 6 + 2 = 8 tricks played with Hearts as the trump suit.
With a bid of 4S a side must make at least 6 + 4 = 10 tricks played with Spades as the trump suit.