Precision - 1 diamond

One diamond is a catchall bid. The requirement for an opening bid of one diamond is 12 - 15 points and a minimum of
2 cards in diamonds. Responder bids 4 card majors up the line. No Trump responses are natural.
Inverted minors are recommended i.e. a single raise shows 10+ points and a double raise is weak
A summary of the scheme:

Open Resp Rebid Description  
         
1D     12 - 15 points, 2+ cards  
  1H   6+ points, 4+ cards
 
    1S 4+cards  
    1N balanced  
    2C Natural; usually 5-4 in the minors  
    2D 6+ diamonds  
    2H 4+ card support  
    2S 5+ spades (implies 6+diamonds)  
    2N Good 6 cards in diamonds and otherwise a no-trump hand  
    3C At least 5-5 in the minors; good hand  
    3D Strong 6+ diamonds; good hand
    S 8   H A 9   H A K 10 9 8 4 2   H K 10 7 		 
    3H Heart support with distribution  
         
  1S   6+ points, 4+ cards, no 4 card hearts (unless 5 spades and 4+ hearts )  
    2C Natural; usually 5-4 in the minors; could be 1-4-4-4, 1-4-3-5 or 1-4-5-3  
    2H 4 hearts, 6+ diamonds  
         
  1N   6 - 9 points, no 4 card major  
    Pass It is a bid  
    2C at least 5-4 in the minors; distributional hand  
    2D 6+ diamonds; distributional hand  
    2H,2S 4+ cards, 5+ diamonds  
    2N Inviting to 3N  
    3H,3S 5+ cards, good hand  
         
  2C   Natural, Game force  
  2D   10+ points, 5+ cards (for details check Inverted Minors); forcing to 2N or 3D  
  2H   4 - 7 points, 6+ hearts  
  2S   4 - 7 points, 6+ spades  
  2N   10 - 12 points, balanced, no 4 card major  
  3C   4 - 7 points, 6+ cards  
  3D   0 - 9 points, 5+ cards (for details check Inverted Minors)  
  3H,3S   Splinter in support of diamonds; slammish hand  
  3N   13 - 15 points, balanced  


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