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This system is created by C. F. Boari

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1§=Most12-15HcP,bal

    *12-13HcP:3-suiter,1444,4144,A short MAJOR

    *12-15HcP,bal:4333,4432,5minor332

    *16-20HcP:6+© or 6+ª

    *12-20:6+§ or 6+¨,If 12-13HcP:4card MAJOR OK

1¨=19+HcP,ANY.LTC:<5,Not 3-suiters

1©=12-20HcP,4+©

    *12-15HcP,5+©   

    *12-20HcP,5©332 

    *14-20HcP,2-suiter,4-5©

    *16-20HcP,4©+5ª

1ª=12-20HcP,4+ª

    *12-15HcP,5+ª    

    *12-20HcP,5ª332 

    *14-20HcP,2-suiter,4-5ª

    *16-20HcP,4ª+5©

1NT=16-18HcP,bal,No 5card MAJOR

2§=11+cP,4441,5440,5card=minor

    *12-13HcP:Short minor

    *14+HcP:Any short

2¨=9-15HcP,2-suit(©+ª),LTC:6,Good suits

2©=9-15HcP,1/2-suiter

    *9-15HcP,5© + a minor  

    *9-12HcP,6+©  

2ª=9-15HcP,1/2-suiter

    *9-15HcP,5ª + a minor  

    *9-12HcP,6+ª  

2NT=9-15HcP,5+§ + 5+¨

3§¨©ª=Preempt

3NT=7card minor,Good

4§=10-14HcP,7-8©,Namyats

4¨=10-14HcP,7-8ª,Namyats

4©=8+©,7-8 tricks

4ª=8+ª,7-8 tricks

5§=8-9§,8+ tricks

5¨=8-9¨,8+ tricks

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