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  2. Splinter bid - Wikipedia

    en.wikipedia.org/wiki/Splinter_bid

    In the card game "contract bridge", a splinter bid is a convention whereby a double jump response in a side-suit indicates excellent support (at least four cards), a singleton or void in that side-suit (but preferably not the ace or king), and at least game-going strength. [1]

  3. Glossary of contract bridge terms - Wikipedia

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

    The suit of the fragment bid is often three cards long. Compare with Splinter bid. Freak, or freak hand A hand with a very long suit or suits. Most would regard a hand with two six card suits as a freak. Free bid A bid that is made when a pass would still allow partner to make a bid.

  4. List of bidding systems - Wikipedia

    en.wikipedia.org/wiki/List_of_bidding_systems

    This is a list of bidding systems used in contract bridge. [1] [2] Systems listed have either had an historical impact on the development of bidding in the game or have been or are currently being used at the national or international levels of competition. Bidding systems are characterized as belonging to one of two broadly defined categories:

  5. Bidding system - Wikipedia

    en.wikipedia.org/wiki/Bidding_system

    The vocabulary of bidding is limited to 38 different calls - 35 level/denomination bids [1] plus pass, double and redouble. Any bid becomes a contract if followed by three successive passes, therefore every bridge bid is a potential contract. By the rules of the game, the agreed meanings of all calls must be public and known to the opponents ...

  6. Bridge convention - Wikipedia

    en.wikipedia.org/wiki/Bridge_convention

    Bridge conventions can be classified according to their purpose: Opening bid conventions. Strong opening bids are used for hands stronger than the "normal" opening bid range (12-20 points in natural systems, 12-15/17 points in artificial systems) Strong two clubs in natural systems denote hands of 22+ high card points; Benjamin Twos in natural ...

  7. Slam-seeking conventions - Wikipedia

    en.wikipedia.org/wiki/Slam-seeking_conventions

    Splinters are used early in the bidding to communicate a strong hand, with a fit for partner's last bid suit and a side-suit singleton or void. The splinter bid is a double jump shift to the singleton or void suit. Partner of the splinter bidder will then typically bid game or proceed with cue-bids to investigate the possibility of a slam.

  8. Why did the Baltimore bridge collapse so quickly? Engineering ...

    www.aol.com/why-did-baltimore-bridge-collapse...

    Engineering experts explain tragic structural failure. Andrew Griffin. March 28, 2024 at 11:09 PM. ... In the case of the Francis Scott Key Bridge, its design in the 1970s might not have taken ...

  9. Contract bridge probabilities - Wikipedia

    en.wikipedia.org/wiki/Contract_bridge_probabilities

    Suppose East is known to have 7 spades from the bidding and after seeing dummy you deduce West to hold 2 spades; then if your two lines of play are to hope either for diamonds 5-3 or clubs 4-2, the a priori probabilities are 47% and 48% respectively but (,,,) % and (,,,) % so now the club line is significantly better than the diamond line.