Meckwell 2006

3§=6-15HcP,6-7§,

    good preempt

3¨=Trans -> 3©,

    weak MAJOR

3¨-3©=Pass/corr.

3©=Signoff unless void

3ª=Signoff unless void

3NT=Signoff

4¨=Slam try in §

4©=Signoff unless void

4ª=Signoff unless void