Verlau 2007
2ª=5-10HcP,6+ª
Overcall-SYS ON
DBL-RDBL=9+HcP
DBL-SUIT=NF
2NT=ASK quality
2NT-3§=min,poor
2NT-3¨=min,good
2NT-3©=MAX,poor
2NT-3ª=MAX,good
3§=6+§,Round
3¨=6+¨,Round
3©=6+©,Round