Bidding
North
East
South
West
1NT
2
♦
3♣
4♣
X
4NT
6♣
X
6♠
6NT
7NT
?
Choice(s)
Bid
Rule
Alert
Priority
Operations
PASS
Undefine
-
-
X
Undefine
-
-
Bridge Main Page
Robot Bidding Wiki Main Page