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.
South is the dealer. No one has bid yet. What is South’s opening call?
South
♠
A Q J 10 7
♥
A 4
♦
K Q 4
♣
7 6 2
HCP: 16
Shape: 5-2-3-3
Balanced: yes
Planning
Jacoby 2NT is used together with Bergen. The 2NT says I have 4 card support for your suit, and 13+ points.