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