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