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