Bidding
North
East
South
West
1♠
X
1NT
2♣
X
4♣
Pass
Pass
X
XX
5
♥
X
7♠
7NT
?
Choice(s)
Bid
Rule
Alert
Priority
Operations
PASS
Undefine
-
-
X
Undefine
-
-
Bridge Main Page
Robot Bidding Wiki Main Page