Negative Doubles
Board 8
West Deals
None Vul
♠
Q 8 6 4 2
♥
A 10 7
♦
Q 2
♣
A J 8
♠
A
♥
Q 9 3 2
♦
A J 7 4
♣
Q 6 3 2
N
W
E
S
♠
K J 7 3
♥
J 8 6 4
♦
9 8 6
♣
K 4
♠
10 9 5
♥
K 5
♦
K 10 5 3
♣
10 9 7 5
West
North
East
South
1
♦
1
1
♠
2
Dbl
3
Pass
2
♥
All pass
W opens 1
♦
N overcalls 1
♠
E uses negative double to show his suit and passes partners response of 2
♥
.
2
♥
by West