Verlau 2004

1NT(strong)

DBL=#*4 MAJOR + a minor

    #*Strong 5+ MAJOR

2§=Landy

2§-2¨=*4©+4ª

        *No 4cd MAJOR

2§-2©=4+©

2§-2ª=4+ª

2¨=a MAJOR

2¨-2©=Pass/correct

2¨-2ª=Pass/correct

2©=5+© + a minor

2ª=5+ª + a minor

2NT=A strong minor

3§¨©ª=Preempt