VA - Minor Opening

The requirement for an opening bid of one in a minor is 12 - 19 points and a 3+ card suit.
If both minors are 3 cards in length, prefer clubs to diamonds;
consequently a 1 diamond opening will guarantee either 4 cards or both 4 card majors.
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 - 19 points, 3+ cards  
  1H   6+ points, 4+ cards
 
    1S 4+cards  
    1N 12 -15 points  
    2C Natural  
    2D 12 - 14 points, usually 6+ diamonds;
With 5 cards and a balanced hand prefer 1NT rebid 		 
    2S Game Force; natural  
    2N 18-19 pts, balanced; checkback Stayman used  
         
  1S   6+ points, 4+ cards, no 4 card hearts (unless 5 spades and 4+ hearts )  
    2H 16+ points, 4+ hearts; reverse  
  1N   7 - 10 points, no 4 card major  
    2D 12 - 14 points, 6+ cards  
    2H,2S 16+ points, 4+ cards, reverse  
    2N Inviting to 3N  
  2C   Game force, 4+ cards  
  2D   10+ points, 4 + cards (for details check Inverted Minors)  
  2H   3-5 points, 6+ hearts  
  2S   3-5 points, 6+ spades  
  2N   11 - 12 points, balanced, no 4 card major  
  3C   4 - 7 points, 6+ cards (?)  
  3D   0 - 9 points, 5+ cards (for details check Inverted Minors)  
  3N   13 - 15 points, balanced  

Since a response of 1H or 1S is unlimited in points, there are some artificial subsequent
responses used to force to game or elicit more description. The conventions are described
in detail in the Other section. The conventions:

1. New minor forcing:
   Typically bid after opener has opened a minor and rebid 1NT. (1C - 1S - 1N)
   Now responder bids the other minor (Diamonds) as an artificial bid forcing for one round.
   Now opener further describes the hand.
   There are 2 versions: other minor forcing or 2C=invitational, 2D=forcing

2. Fourth suit forcing:
   Typically bid after opener has opened a suit and rebid another. (1C - 1H - 1S)
   Now responder bids the fourth suit (Diamonds) as an artificial game force.
   Other jump bids by responder will be invitational

3. Lebensohl over reverses:
   Typically bid after opener has reversed (1C - 1S - 2H) showing 16-21 points.
   Now responder can bid 2N artificial similar to Lebensohl.

4. Checkback Stayman:
   Typically bid after opener has rebid 2N (1C - 1S - 2N) showing 18-19 points.
   Now responder can bid 3C artificial similar to New Minor Forcing.


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