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