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    Pre-Escape - Especially when playing Weak Notrump or Mini Trump 
    opening bids, Responder is well advised to make a semi-psyche 2C 
    Stayman bid when holding a worthless hand.  This action complicates the 
    auction for the opponents, making them both wonder if their partnership has 
    the balance of power and whether to seek game or initiate a penalty double.  
    Of course, responder Passes any opener bid. 
      
        | Bid | Meaning |  
        | 1N - (P) - P | Responder Passes 
        with adequate values yet insufficient for game. |  
        | 1N - (P) - 2C | While responder's 2C 
        bid is indeed Stayman, when the combined partnership assets are less 
        than 15 points, bidding 2C is prudent. The opener is unaware of 
        responder's strength, naturally bidding either a 4 card major suit or 
        Diamonds without major support.  Responder intends to Pass any bid and hoping the auction will 
        avoid a penalty double by opponents.   |  
        | 1N - (P) - 2C - (X);P   -  ?
 
 1N - (P) - 2C - (P);
 2H - (P) - P   - (X);
 P   -  ?
 | Should advancer Double, 
        the partner in the overcaller seat may be uncertain whether to bid or 
        Pass for penalty. Should 
        advancer belatedly Double, the overcaller may also be uncertain 
        of the best action. |  1N - (X) - any 
    If overcaller Doubles, by definition responder's calls are no longer 
    Pre-Escape sequences.  Any suit bid is either 
        natural or a transfer, depending on opponent and partnership agreements.  
    Assuming overcaller's Double is natural showing values, a 
        common treatment is to play Jacoby transfers "on" when 1 Notrump 
    opener's range is 11+ points, and play natural (transfers "off") when 
    opening 10-12 or fewer points.  As an aside, ACBL regulations prohibit 
        conventional responses when opening 1 Notrump below 10 
    points (assuming opponent Passes).   Also see 
    Moscow Escapes and Exodus 
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