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 429 — RKCB: Useful Void Judgment View details

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

Planning

Recognise that RKCB responses may need judgment when responder has a useful void; avoid mechanical keycard counting.
A splinter convention in bridge is an artificial jump bid in a new suit that shows 4+ card support for partner’s suit, a singleton or void in the bid suit, and game-forcing strength. It immediately communicates hand shape and slam interest, allowing partnerships to evaluate fit

South

A K J 9 4
A 7 5
Q 6
K 7 3
HCP: 17
Shape: 5-3-2-3
Balanced: yes

Select South’s opening call: