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  2. Contract bridge probabilities - Wikipedia

    en.wikipedia.org/wiki/Contract_bridge_probabilities

    A hand pattern denotes the distribution of the thirteen cards in a hand over the four suits. In total 39 hand patterns are possible, but only 13 of them have an a priori probability exceeding 1%. The most likely pattern is the 4-4-3-2 pattern consisting of two four-card suits, a three-card suit and a doubleton.

  3. Hand evaluation - Wikipedia

    en.wikipedia.org/wiki/Hand_evaluation

    In contract bridge, various bidding systems have been devised to enable partners to describe their hands so that they may reach the optimum contract.Key to this process is that players evaluate and re-evaluate the trick-taking potential of their hands as the auction proceeds and additional information about partner's hand and the opponent's hands becomes available.

  4. Zar Points - Wikipedia

    en.wikipedia.org/wiki/Zar_Points

    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.

  5. Losing-Trick Count - Wikipedia

    en.wikipedia.org/wiki/Losing-Trick_Count

    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.

  6. Contract bridge diagram - Wikipedia

    en.wikipedia.org/wiki/Contract_bridge_diagram

    Diagrams are used to illustrate a deal of 52 cards in four hands in the game of contract bridge. [1] Each hand is designated by a point on the compass and so North–South are partners against East–West. Suit features include: Each line represents a suit, indicated by its symbol – ♠ for spades, ♥ for hearts, ♦ for diamonds, and ♣ ...

  7. List of play techniques (bridge) - Wikipedia

    en.wikipedia.org/wiki/List_of_play_techniques...

    card reading, also known as counting the hand; dummy reversal; endplay; coups; squeezes; suit combinations play; safety play; applying the principle of restricted choice; applying the theory of vacant places; applying percentages and probabilities

  8. EHAA - Wikipedia

    en.wikipedia.org/wiki/EHAA

    EHAA (Every Hand An Adventure) is a highly natural bidding system in contract bridge characterized by four-card majors, sound opening bids, undisciplined weak two-bids in all four suits and a mini notrump, usually of 10–12 high card points. [1]

  9. Glossary of contract bridge terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_contract...

    Rubber Bridge Scoring Above the line In rubber bridge, the location on the scorepad above the main horizontal line where extra points are entered; extra points are those awarded for holding honor cards in trumps, for bonuses for scoring game, small slam, grand slam or winning a rubber, for overtricks on the declaring side and for undertricks on the defending side and for fulfilling doubled or ...