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    Kickback - A variation of Roman Keycard Blackwood using one suit above 
    four of the partnership's agreed trump suit as a keycard asking bid.  
    This method saves bidding space, particularly when playing 03 -14 Key Card 
    Blackwood. 
    Kickback examples to explore slam include: 
    1C - 4C;          1C - 1H;          
    1C - 1D;4D                   
    3H - 3S;           4H
 
      
        | Response | Meaning playing RKC | Meaning Playing 1430 |  
        | 1st step | 0 or 3 Keycards | 1 or 4 Keycards |  
        | 2nd step | 1 or 4 Keycards | 0 or 3 Keycards |  
        | 3rd step | 2 without trump Queen | 2 without trump Queen |  
        | 4th step | 2 with trump Queen | 2 with trump Queen |  Also 
    see books on
     
        Slam and other slam conventions:
     
        1430,
        Baby Blackwood, 
        
        Blackwood, Controls,
    Exclusion Blackwood/Voidwood,
    Gerber,  
        Grand Slam Force,
    Jacoby 2 Notrump,
    Key Card Blackwood, 
    Kickback,  
        Last Train,  NAMYATS,
    Pick a Slam,
    Quantitative Notrump Bid,
    Rolling Blackwood,
    Serious 3 Notrump,
    Slam Try - Stayman,
    Splinters,
    Opener 
    Jump Shift,
Strong Jump Shift, and legacy treatments as 
        Roman Asking Bids,
    Roman Blackwood, 
        Roman Gerber.  Slam 
        treatments 
    also include interference of 
    an overcall by opponents, as 
        Negative Slam Double,
    DOPI,
        DEPO, ROPI. |