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