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.
North’s turn to bid.
South
♠
Q J 3 2
♥
A K 10
♦
A 6 2
♣
Q 7 4
HCP: 16
Shape: 4-3-3-3
Balanced: yes
South's bid: 1♦
Recommended call: 1NT Different
Why
15-17 HCP, balanced shape: open 1NT.
Auction so far
| N | E | S | W |
|---|---|---|---|
| — | — | 1♦ | Pass |
North
♠
K 9 8 7 6
♥
Q 3
♦
K 10
♣
A K 6 5
HCP: 15
Shape: 5-2-2-4
Balanced: no