Force an Entry  Leading a sequence of cards
like a K Q in order to knock out the Ace. The other card becomes your forced entry.
 
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  BWS  Bridge World Standard. A set of bidding
conventions adopted by Bridge World magazine and it's editors.
 
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  No Revoke Cards  A special set of cards with
4 different colors so that players aren't likely to mix up the suits during play.  
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  OBAR  A fancy convention that says when the
Opponents Bid And Raise the same suit (1H P 2H) you as the next player can bid 2S to balance.
 
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