MASTER SOLVERS CLUB

Scores for the September 2019 Contest

Problem A

Matchpoints
Both sides vulnerable
You, South, hold:

 ♠ K Q 7 ♥ J 7 4 2 ♦ A J 10 ♣ A 9 3
SOUTHWESTNORTHEAST
——2 3 Pass
?*

*4 NT natural, invitational by agreement

What call do you make?

ActionScorePanel
% of
Solvers
3 1001754
4 NT80515
3 NT60417
4 60211
5 4000
4 001
4 001
else001
Problem B

Imps
Neither side vulnerable
You, South, hold:

 ♠ A K 6 5 4 ♥ — ♦ Q 10 9 6 5 3 2 ♣ 7
SOUTHWESTNORTHEAST
——————1
1 1 1 Double*
?

*three hearts

What call do you make?

ActionScorePanel
% of
Solvers
4 100739
4 90611
4 80523
3 7025
2 70110
Redouble7013
3 6031
2 6020
Pass6010
5 2002
2 2001
2 2001
3 2001
5 2001
1 NT2000
2 NT2000
3 2000
3 NT2000
4 2000
4 NT2000
5 2000
5 2000
5 NT2000
6 2000
6 2000
6 2000
6 2000
6 NT2000
7 2000
7 2000
7 2000
7 2000
7 NT2000
else002
Problem C

Matchpoints
Both sides vulnerable
You, South, hold:

 ♠ A K Q J 6 ♥ 10 8 ♦ J 8 2 ♣ 10 5 3
SOUTHWESTNORTHEAST
————1 Pass
1 Pass2 Pass
?*

*BWS: 2  game-force

What call do you make?

ActionScorePanel
% of
Solvers
2 1001017
2 NT80727
3 70619
2 60432
2 6014
3 001
3 NT001
else000
Problem D

Matchpoints
North-South vulnerable
You, South, hold:

 ♠ A 2 ♥ K 8 7 6 5 2 ♦ Q 5 2 ♣ A J
SOUTHWESTNORTHEAST
————1 Pass
1 Pass2 Pass
?*

*BWS: 2 NT nonforcing; 3  forcing

What call do you make?

ActionScorePanel
% of
Solvers
2 100729
3 90826
3 8068
4 70636
3 NT6010
4 NT001
else000
Problem E

Imps
North-South vulnerable
You, South, hold:

 ♠ — ♥ A K 6 4 3 2 ♦ A K ♣ Q 7 6 4 3
SOUTHWESTNORTHEAST
1 4 5 5
?

What call do you make?

ActionScorePanel
% of
Solvers
5 NT10095
6 90544
Pass9014
6 80838
6 8046
7 5010
Double002
else001
Problem F

Imps
North-South vulnerable
You, South, hold:

 ♠ A ♥ J 7 6 2 ♦ K 10 9 5 4 ♣ Q 6 2
SOUTHWESTNORTHEAST
——Pass1 2
?*

*BWS: 3  game-force

(F1) What call do you make?
(F2) If you pass, what do you do after
(Pass) - Double - (Pass) - ?

ActionScorePanel
% of
Solvers
2 NT1001531
Pass | 3 8046
3 8043
Pass | 4 8013
Pass | 3 60118
Pass | 2 NT50218
3 NT3011
Pass | Pass20010
3 006
Pass | 3 NT003
Pass | 3 001
else000
Problem G

Imps
Neither side vulnerable
You, South, hold:

 ♠ A 7 ♥ K Q J 6 5 3 2 ♦ 7 ♣ A Q 5
SOUTHWESTNORTHEAST
——1 2 Double
?*

*By agreement, 3  nonforcing

What call do you make?

ActionScorePanel
% of
Solvers
Redouble100818
4 701022
3 70619
Pass7019
4 60225
3 6002
3 4010
3 4003
4 001
else001
Problem H

Matchpoints
North-South vulnerable
You, South, hold:

 ♠ J 10 9 8 7 ♥ Q J 6 ♦ J 10 4 ♣ J 10
SOUTHWESTNORTHEAST
——2 *Pass2
Pass3 Pass3
Pass6 Pass7 NT
PassPassPass

*East-West use Bridge World Standard.

ActionScorePanel
% of
Solvers
Q1001014
J10031
J8069
J70654
107031
J0016
4002
10002
10001
7001
else000
MSC CONTEST

These are the scores that were assigned to the problems, as well as the number of votes each solution received from our expert panel, and the approximate percentage of solvers' answers.

See the September issue of The Bridge World to read the panel's in-depth discussion of these contest problems—see how each expert answered and learn how they came to their decisions.