An opening bid at the three-level made with pre-emptive intent. It is usual to have a seven-card suit, few values outside and about six playing tricks if non-vulnerable (seven if vulnerable). You would open 3♣ on hands like these:
An opening bid at the three-level made with pre-emptive intent. It is usual to have a seven-card suit, few values outside and about six playing tricks if non-vulnerable (seven if vulnerable). You would open 3♣ on hands like these: