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About: Negative double     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:SocialGroup107950920, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:WikicatBridgeConventionsyago:Abstraction100002137yago:Convention108309086yago:Gathering107975026yago:Group100031264yago:Meeting108307589yago:SocialGroup107950920 New Facet based on Instances of this Class

The negative double is a form of takeout double in bridge. It is made by the responder after their right-hand opponent overcalls on the first round of bidding, and is used to show shortness in overcall's suit, support for the unbid suits with emphasis on majors, as well as some values. It is treated as forcing, but not unconditionally so. In practice, the negative double is sometimes used as a sort of catch-all, made when no other call properly describes responder's hand. Therefore, a partnership might even treat the negative double as a wide-ranging call that merely shows some values.