Burnham Bridge Club
Competitive Bidding at Pairs
9
The Actual Traveller
41
1
2
-130
38
4
1
-90
35
7
2
+50
30
12
3
+100
23
19
4
+110
16
26
3
+140
9
33
4
+170
2
40
3
+620
EW MP
NS MP
Frequency
NS Score
10 tricks make in spades because East had ♠A.

Bidding 4♠ would have improved the score of 33/42 to 40/42 if there are 10 tricks available, but turns 33/42 to around 4/42 when there are only 9 tricks.