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