Verlau 2007
2§=STRONG,GF
Overcall-SYS
ON
DBL-RDBL=9+HcP
DBL-SUIT=NF
2¨=#Trans -> ©
*5+©
*ASK distrib
2©=5+ª,Trans
-> ª
2ª=#5+§ + 5+¨
2NT=Trans
-> §
*6+§,2 Honors
*7+§,1 Honor
3§=Trans
-> ¨
*6+¨,2 Honors
*7+¨,1 Honor
3¨=Trans
-> ©
*6+©,1 Honor
*7+©,J+T
3©=Trans
-> ª
*6+ª,1 Honor
*7+ª,J+T