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