Verlau 2004
1§(3+§)
DBL=#Takeout
1¨=#5+¨,NF
1©=#5+©,NF
1ª=#5+ª,NF
1§-1NT=#15-18HcP
1§-P-P-1NT=#11-14HcP
2¨=5+© + 5+ª
2¨-2©=3+©
2¨-2ª=3+ª
2¨-2NT=Round
2©=Weak,6+©
2ª=Weak,6+ª
2NT=©+¨
3§=ª+¨