Verlau 2004
1©(3+©)
DBL=#Takeout
1ª=#5+ª,NF
1©-1NT=#15-18HcP
1©-P-P-1NT=#11-14HcP
2§=#5+§,NF
2¨=#5+¨,NF
2©=ª+§
2ª=Weak,6+ª
2NT=§+¨
3§=ª+¨
3©=ASK STOP
3©-3ª=No Stop ©
3©-3NT=Stop ©