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