| Roman Gerber 
    - An adaptation of the of the Gerber convention using the responses after a 
    4 Clubs slam try: 
      
        | Bid | Meaning |  
        | 4D | 0-3 Aces |  
        | 4H | 1 or 4 Aces |  
        | 4S | 2 Aces without extra 
        values |  
        | 4N | 2 Aces with extra values |  After responder's bid, the 4C 
    slam bidder may then bid the cheapest suit to ask for Kings, etc.  (see
    Rolling Gerber) 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. |