Bocchi-Duboin

1§-2§=Long suit,Round

2¨=ASK distrib

2¨-Pass=Very weak,

w/5+¨

2¨-2©=GF,5¨ + 5©

2¨-2ª=GF,5¨ + 5ª

2¨-2NT=6+§,solid

2¨-3§=6+¨,solid

2¨-3¨=6+©,solid

2¨-3©=6+ª,solid

2¨-3ª=a minor:7+cd,

solid

2¨-3NT=a MAJOR:7+cd,

solid