Board 01

Board 01

4 3
A 9 8 6
A 8 7 6
10 9 6
Q 10 6 2
K Q 10
K 4 2
A Q 8
N
W   E
 
S
K J 8 5
5
Q J 5
J 7 5 3 2
A 9 7
J 7 4 3 2
10 9 3
K 4

Dealer:

North

Vuln:

None

W N E S
Pass Pass Pass
1 Pass 3 Pass
4 End

Contract:

4 by West

Lead:

10

After partner's 1 opening, East should invite with 3, based on distribution points (or Losing Trick Count).