Start - Game of Cards
Bridge Conventions (List)This convention is used when your opponents open on the 1-level (not 1NT)
2NT: Two lowest unbidden suits.
3C : Highest + Lowest unbidden suit.
3D : Two highest unbidden suits.
Copenhagen Defense
A bidding convention is an agreement between two players on a different meaning of a bid in the card game bridge. These agreements are made so that partners can more quickly determine which contract, with both their cards, they can win together. Often, conventions are forged together into one, which is then called a bidding system.
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