Bidding
North
East
South
West
1NT
2♣
2♠
3
♦
3♠
4
♦
X
4
♥
4NT
5
♥
Pass
5♠
6♣
Pass
6
♦
6♠
7NT
?
Choice(s)
Bid
Rule
Alert
Priority
Operations
PASS
Undefine
-
-
X
Undefine
-
-
Bridge Main Page
Robot Bidding Wiki Main Page