Bidding
North
East
South
West
1NT
X
3♠
4
♦
X
XX
4NT
Pass
5♠
6♣
X
Pass
7
♦
7NT
X
?
Choice(s)
Bid
Rule
Alert
Priority
Operations
PASS
Undefine
-
-
XX
Undefine
-
-
Bridge Main Page
Robot Bidding Wiki Main Page