| 
     Baron 
    Response to 1 Notrump 
    - In response to Opener's 1 Notrump bid, responder's 2 Notrump call is 
    artificial showing 33+ cumulative points between both hand, exploring the 
    best slam.   Responder's hand my contain a weak 5 card suit or a 
    4-4-4-1 distribution.  
    
      
        | Bidding | 
        
         Meaning  | 
       
      
        | 1N - 2N; | 
        
         2N shows a strong 
        slam going hand  | 
       
      
        1N - 2N; 
        3x            | 
        
         3C, 3D, or 
        3H by opener rebids lowest 4 card suit  | 
       
      
        1N - 2N; 
        3x - 3y; 
        4x            | 
        
         Opener's second rebid shows a 
        5 card suit  | 
       
      
        1m - 2N; 
        4x            
         | 
        
         If playing Baron on over a 
        1 level suit opening bid, opener's jump rebid in a different suit shows 
        a 5-5 distributional hand  | 
       
      
        1m - 2N; 
        4m            
         | 
        
         If playing Baron on over a 
        1 level suit opening bid, opener's jump rebid in the same suit shows a 
        good card suit (5 trump tricks)  | 
       
      
        1m - 2N; 
        3N            
         | 
        
         3N shows a balanced 
        minimum hand  | 
       
      
        1m - 2N; 
        4N            
         | 
        
         4N shows a balanced 
        maximum hand  | 
       
     
    
      
    Some also play Baron over partner's 1 level suit opening bid.  |