| Double Barreled Stayman
(Two Way/Forcing Stayman) - In response to Opener's 1 Notrump bid, some players 
    call 2C as a non-forcing Stayman and 2D as a Forcing Stayman.  This 
    treatment has found some popularity with players who open with a Weak Notrump bid, such as 10 - 12 points (where transfer bids do not apply):  
    1N - 2C;2D - 2S
 A combination of 
the Non-Forcing and Game-Forcing Stayman.  After partner opens 1 Notrump, response meanings 
    are: 
      
        | Responder Bid | Typical Meaning |  
        | 2 Clubs | Non-Forcing Stayman 
        (Invitational values unless showing a "Garbage" Stayman) |  
        |    Opener Rebids |  
        | 2 Diamonds
          | No 4-card major |  
        | 2 Hearts | 4 Hearts (could also have 4 Spades) |  
        | 2 Spades
          | 4 Spades |    
      
        | Responder Bid | Typical Meaning |  
        | 2 Diamonds | Forcing Stayman (game 
        complement values) |  
        |   Opener Rebids |  
        | 2 Hearts | 4 Hearts 
        (could also have 4 Spades) |  
        | 2 Spades | 4 Spades |  
        | 2 Notrump | No 4-card 
        Major |  
        | 3 Clubs | 5 Clubs |  
        | 3 Diamonds | 5 Diamonds |  Also see Stayman conventions and books on 
    
    Stayman |