Bidding
North
East
South
West
1NT
2
♦
X
2NT
X
4
♦
4NT
6♣
6
♦
X
6♠
7♠
?
Choice(s)
Bid
Rule
Alert
Priority
Operations
PASS
Undefine
-
-
X
Undefine
-
-
7NT
Undefine
-
-
Bridge Main Page
Robot Bidding Wiki Main Page