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.

Playing selected hand 430 — RKCB: View details

South is the dealer. No one has bid yet. What is South’s opening call?

Planning

Use RKCB and the follow-up grand-slam tools to distinguish a small slam from a grand slam.

South

A Q 4
K J 9 8 4
Q 3
A 8 2
HCP: 16
Shape: 3-5-2-3
Balanced: yes

Select South’s opening call: