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    Woolsey over Opponents Notrump - The Woolsey Bridge bidding 
    convention 
    against opponents' 1 Notrump opening bid (also known as Mosher) shows 
    various two-suited hands as well as a single-suited major suit.   
    Woolsey's methods focus on obstructive methods, thus Woolsey's double is not 
    used for penalty: 
         (1N) - ?
 
      
        | Bid | Meaning |  
        | Double | 5+ in one minor and 4 in 
        one major suit |  
        | 2 Clubs | 5-4 or more in the majors 
        suit |  
        | 2 
        Diamonds | 6+ in one major suit |  
        | 2 Hearts | 5+ Hearts and 4+ in one 
        minor suit |  
        | 2 Spades | 5+ Spades and 4+ in one 
        minor suit |  
        | (1N) - 2H/S - (P) - 2N | Responder asks partner to 
        rebid minor suit |  
       (1N) - X - (P) - ?
 
      
        | Bid | Meaning |  
        | 2 Clubs | Willingness to play in 
        opener's minor suit |  
        | 2 Diamonds | Willingness to play in 
        opener's major suit |  
        | 2 Hearts | Request to play in 
        responder's Heart suit |  
        | 2 Spades | Request to play in 
        responder's Spade suit |  
       (1N) - 2C - (P) - ?
 
      
        | Bid | Meaning |  
        | 2 Diamonds | Waiting bid - opener bids 
        best major suit |  
        | 2 Hearts | Minimum values, responder 
        willing to play in opener's  Heart suit |  
        | 2 Spades | Minimum values, responder 
        willing to play in opener's Spade suit |  
        | 3 Hearts | Maximum values, responder 
        willing to play in opener's  Heart suit |  
        | 3 Spades | Maximum values, responder 
        willing to play in opener's Spade suit |  
       (1N) - 2D - (P) - ?
 
      
        | Bid | Meaning |  
        | 2 Hearts | Minimum values, responder's
        Spades are longer than Hearts; overcaller passes or corrects |  
        | 2 Spades | Minimum values, responder's
        Hearts are longer than Spades; overcaller passes or corrects |  
        | 3 Hearts | Maximum values, responder's
        Spades are longer than Hearts; overcaller passes or corrects |  
        | 3 Spades | Maximum values, responder's
        Hearts are longer than Spades; overcaller passes or corrects |  
      |