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In contract bridge and particularly in duplicate bridge a convention card is a summary of the conventions and treatments that a particular pair is using. [1] The Laws of Duplicate Bridge specify that "Each partnership has a duty to make available its partnership understandings to opponents before commencing play against them."
Both East hands are exactly the same, and both West hands have the same shape, the same HCP count, and the same high cards. The only difference between the West hands is that two low red cards and one low black card have been swapped (between the heart suit and the diamond suit, and between the spade suit and the club suit, respectively).
Zar Points (ZP) is a statistically derived method for evaluating contract bridge hands developed by Zar Petkov. The statistical research Petkov conducted in the areas of hand evaluation and bidding is useful to bridge players, regardless of their bidding or hand evaluation system.
The principal difference between the two systems was in hand evaluation: Culbertson used honor tricks to assess a hand's strength whereas Goren used high card points and distribution points. Goulash A style of dealing, usually in rubber and Chicago games, where the cards are not thoroughly shuffled between deals and are dealt in groups.
With the addition and evolution of various treatments and conventions, it is now more generally referred to as Standard American. It is a bidding system based on five-card majors and a strong notrump; players may add conventions and refine the meanings of bids through partnership agreements summarized in their convention card. One standardised ...
The Drury convention is a bridge convention, used to show a game-invitational major suit raise by a passed hand while guarding against a light opening by partner in third or fourth seat. It is initiated by an artificial and forcing 2 ♣ response by the passed hand to a 1 ♥ or 1 ♠ opening by partner.
In the card game contract bridge, the Losing-Trick Count (LTC) is a method of hand evaluation that is generally only considered suitable to be used in situations where a trump suit has been established and when shape and fit are more significant than high card points (HCP) in determining the optimum level of the contract.
It is also customary to retain the convention in the face of certain competitive actions, for example after a double by opener's LHO, or a negative double by partner. After an overcall by RHO, assuming that the bidding has not gone past 1NT, the convention is still on (for example after 1 ♦ - (pass) - 1 ♥ - (1 ♠) - X where X is a Support ...