Bocchi-Duboin

1§-1NT=8-10HcP,4+§

2§=*1-suiter

*3-suiter

2¨=*11-15HcP,5+§

*11+HcP,5+§ + 4+¨

2©=Balanced

*1-2 NV:15-17HcP,bal

*1-2 V:12-14HcP,bal

* 3 :12-14HcP,bal

* 4 :15-17HcP,bal

2ª=16+HcP,5+§ + 4+©

2NT=16+HcP,5+§ + 4+¨

3§=16-18HcP,5+§ + 4+ª

3¨=16+HcP,6+§ + 4+ª

3©=19+HcP,4-2-2-5

3ª=19+HcP,4-3-1-5

3NT=19-20HcP,4-1-3-5

4§=21+HcP,4-1-3-5