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