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