Sample hand

North
♠ K T 3
T 7 6 3
K Q 8
♣ J 8 3
West
♠ Q J 8
Q
T 4
♣ A K T 9 5 4 2
East
♠ A 9 7 2
K 8 5 4
A 2
♣ Q 7 6
South
♠ 6 5 4
A J 9 2
J 9 7 6 5 3
♣ -

Tricks chart

declarer
northeastsouthwest
t
r
u
m
p
3929
7676
8484
211211
NT210210

Achievable players contracts

declarer
northeastsouthwest
t
r
u
m
p
-3♠-3♠
1-1-
2-2-
-5♣-5♣
NT-4NT-4NT

Best contract levels

North 1, 2
East 4NT, 3♠, 5♣
South 1, 2
West 4NT, 3♠, 5♣