Verlau 2007
2¨=18-20HcP,bal
Overcall-SYS ON
DBL-RDBL=9+HcP
DBL-SUIT=NF
2©=#*4+ª
#*Slam try,
6+ª/6+§/6+¨
2ª=#4+©
#*Signoff in ¨ or ª
2NT=#Trans -> 3§
#*Slam try,6+©/bal
#*Signoff in § or ©
3§=Invite,5©+4ª
3¨=Invite,5ª+4©
3©=GF,5+§ + 5+¨,0-1©
3ª=GF,5+§ + 5+¨,0-1ª
3NT=GF,5+© + 5+ª
4§=Trans -> ©
4¨=Trans -> ª
4©=Signoff
4ª=Signoff