Searching for Contract Bridge Support Doubles information? Find all needed info by using official links provided below.
https://www.larryco.com/bridge-articles/support-doubles
You can’t make a Support Double (bridge doesn’t allow doubles of doubles—though at times, I’ve thought it would be a great idea). But you are allowed to Redouble , and for that reason, pairs who use Support Doubles also use Support Redouble s .
https://www.bridgebum.com/support_double.php
A support double by the opening bidder shows 3-card support after responder bids a suit and RHO interferes.
https://bridge.fandom.com/wiki/Support_double
A support double, when used, is made when RHO overcalls partner's response, which may show only 4 cards. Here is an example: The double shows exactly 3 ♥ s, then opener can decide whether to go on or do something else.
http://www.acblunit390.org/Simon/suppx.htm
The Support Double and the Support Redouble are applied in low-level auctions and many partnership agreements carry the condition that they should not be applied above the two level. Some partnership agreements include the restriction that they may be used only up to and including 2 Hearts.
https://en.wikipedia.org/wiki/Support_double
In American Contract Bridge League (ACBL) tournaments, support doubles must be indicated on the convention card and must be Alerted. Additionally, when opener makes a call other than a support double (including Pass) when the support double is an option, an Alert should be made if the partnership agreement is that opener's failure to double or to raise denies three-card or longer support …
https://www.bridgehands.com/S/Support_Double.htm
Support Double - The use of a double to show 3 or 4 card support for responder's major suit. With 2 card major support for responder's suit, opener passes; with 3 card, responder doubles and with 4 card major support, opener bids 2 of the major suit.
http://bridgewinners.com/article/view/support-doubles-3/
Aug 15, 2011 · The basic support double applies after an opening bid and response at the 1-level, and non-jump interference by the fourth hand: double (or redouble) by the opening bidder shows 3 …
https://www.larryco.com/bridge-learning-center/detail/29
The Double simply announces any opening bid with exactly 3-card spade support. If Opener has extra strength, he can divulge it later. If Opener eschews a Support Double and instead raises to 2, it promises 4-card support. Notes on Support Doubles: They are always on by opener on the 2-level – some partnerships also play them on the 3-level.
https://www.bridgehands.com/D/Doubles.htm
Numerous other uses for doubles include Negative Slam Double, Negative Free Bid double, etc. Also see partnership agreements using doubles, defined by the ACBL requiring notation on the Convention Card including Negative, Responsive, Maximal, Support, Card Showing, Minimum Offshape Takeout, and other Special Doubles: Convention Card Instructions
http://fourseasonsbridge.com/harold/BASVDB.pdf
The “Penalty” Double is a bid in bridge which seeks to increase the consequences should the Opponent’s fail to fulfill their designated contract. It expresses the opinion that the
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