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 K 5
♥
A 10 7
♦
Q 10 8
♣
K J 6 2
HCP: 17
Shape: 3-3-3-4
Balanced: yes
Planning
After a 1NT opening, in this hand, partner sees an opportunity for slam. A jump to 4NT is asking for aces, (Blackwood)