Bidding practice
The most widely-played natural bidding system in North America. 5-card majors, strong 1NT (15-17), strong 2C, weak twos, Stayman, and Jacoby transfers.
East is the dealer. No one has bid yet. What is East’s opening call?
East
♠
A K Q 8 5
♥
10
♦
A 10 8 2
♣
K 9 2
HCP: 16
Shape: 5-1-4-3
Balanced: no
Planning
South.You can interfere using a pre-emptive bid, but don't push your luck too far. It also signals an opening lead for your partner.
West has a perfect hand for a Bergen response, but the opportunity falls away when south bids.