ACOLstandard
2§=*5-10HcP,6+¨
*Strong § © ª
*22-23HcP,bal
*26-27HcP,bal
2¨=#ASK distrib
2©=5+©,NF
2ª=5+ª,NF
2NT=ASK
¨-strength
2NT-3§=Good
2NT-3¨=Weak,bad
2NT-3©=Strong
5+©
2NT-3ª=Strong
5+ª
2NT-3NT=Strong
6+§
3§=5+§,Round
3¨=Preempt
if weak 6+¨
3©=5+©,GF
3ª=5+ª,GF
3NT=Signoff