Bidding
North
East
South
West
1♠
4♣
X
4
♦
X
XX
4
♥
4NT
5
♥
5NT
Pass
6♠
7NT
X
Pass
?
Choice(s)
Bid
Rule
Alert
Priority
Operations
PASS
Undefine
-
-
Bridge Main Page
Robot Bidding Wiki Main Page