Bidding
North
East
South
West
1NT
Pass
Pass
X
2♠
4♣
Pass
4
♦
X
4♠
5
♥
5NT
6NT
7NT
X
?
Choice(s)
Bid
Rule
Alert
Priority
Operations
PASS
Undefine
-
-
XX
Undefine
-
-
Bridge Main Page
Robot Bidding Wiki Main Page