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
♠
K J 9 7 4
♥
A 5
♦
K Q J 7 5
♣
8
HCP: 14
Shape: 5-2-5-1
Balanced: no
Planning
After Jacoby 2NT, opener shows a strong side suit, helping responder evaluate slam potential.