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