Bidding
North
East
South
West
1NT
2♠
X
XX
3♣
4
♦
4♠
X
Pass
4NT
6♣
7♠
?
Choice(s)
Bid
Rule
Alert
Priority
Operations
PASS
Undefine
-
-
X
Undefine
-
-
7NT
Undefine
-
-
Bridge Main Page
Robot Bidding Wiki Main Page