1NT opposite 5-card major, 13+ pts

1NT opposite 5-card major, 13+ pts

N
W   E
 
S
K 9 5
Q J 10 6 3
A 10
K 10 6

Dealer:

West

W N E S
1NT Pass 2 Pass
2 Pass 3NT Pass
?

With game points and a 5-card heart suit, East starts with 2 to get opener to bid 2. She then bids 3NT to show exactly five hearts and 13+ points.

Opener now has all the information needed to choose the final contract:

Doubleton hearts => pass, to play in 3NT

3+ hearts => 4