The Bridge World

MASTER SOLVERS CLUB

Scores for the April 2021 Contest

Problem A

Board-a-match
Neither side vulnerable
You, South, hold:

♠ J 8 6

♥ Q 7 4

♦ K Q J 9

♣ A 9 3

SOUTH	WEST	NORTH	EAST
1 ♦	3 ♣	Double	Pass
?

What call do you make?

Action	Score	Panel Votes	% of Solvers
Pass	100	15	37
3 NT	80	7	43
3 ♦	70	4	10
3 ♥	50	1	8
4 ♣	10	0	2
else	0	0	0

Problem B

Matchpoints
Both sides vulnerable
You, South, hold:

♠ Q

♥ 10 6 5 2

♦ K 9 3

♣ K Q J 10 2

SOUTH	WEST	NORTH	EAST
——	——	1 ♦	Pass
1 ♥	1 ♠	2 ♠^*	3 ♠
?

^*BWS: general game-force

What call do you make?

Action	Score	Panel Votes	% of Solvers
4 ♣	100	10	66
Pass	90	9	18
4 ♦	80	6	6
4 NT	60	1	0
Double	50	1	6
6 ♦	10	0	0
4 ♥	0	0	2
4 ♠	0	0	1
5 ♣	0	0	1
5 ♦	0	0	1
else	0	0	0

Problem C

Matchpoints
Both sides vulnerable
You, South, hold:

♠ Q 9 4 2

♥ K 7 6

♦ 9 7

♣ A 10 6 4

SOUTH	WEST	NORTH	EAST
——	3 ♣	Double	Pass
?

What call do you make?

Action	Score	Panel Votes	% of Solvers
Pass	100	17	50
3 ♠	80	6	13
3 NT	70	4	24
4 ♠	30	0	12
else	0	0	1

Problem D

Imps
Both sides vulnerable
You, South, hold:

♠ Q 3

♥ 6

♦ K J 10 8 2

♣ J 10 9 7 6

SOUTH	WEST	NORTH	EAST
——	1 ♥	1 ♠	Pass
?^*

^*BWS: simple new-suit advance nonforcing; jump new-suit advance invitational

What call do you make?

Action	Score	Panel Votes	% of Solvers
2 ♦	100	15	37
Pass	80	10	51
2 ♠	60	2	8
2 ♣	0	0	3
2 ♥	0	0	1
else	0	0	0

Problem E

Imps
Both sides vulnerable
You, South, hold:

♠ K Q

♥ A K 10 5

♦ Q 6 2

♣ A K 6 4

SOUTH	WEST	NORTH	EAST
——	3 ♦	Pass	Pass
Double	Pass	4 ♦	Double
?

What call do you make?

Action	Score	Panel Votes	% of Solvers
Pass	100	12	18
5 ♥	90	9	30
6 ♥	70	3	8
5 NT	60	2	2
4 ♥	50	1	27
Redouble	0	0	8
5 ♦	0	0	4
4 NT	0	0	3
else	0	0	0

Problem F

Imps
Both sides vulnerable
You, South, hold:

♠ A Q J 8 7 2

♥ 5

♦ K 10 9 4

♣ K 10

SOUTH	WEST	NORTH	EAST
——	Pass	1 ♣	Pass
1 ♠	2 ♥	Pass	3 ♥
Double	Pass	4 NT	Pass
?

(F1) Do you agree with the double [BWS: cooperative-takeout]? (yes|no)
(F2) What call do you make?

Action	Score	Panel Votes	% of Solvers
yes \| 5 ♦	100	10	30
yes \| 6 ♦	70	4	12
yes \| 5 NT	70	4	5
no \| 5 ♦	70	2	22
no \| 5 NT	70	2	3
no \| 6 ♦	60	2	5
yes \| 5 ♣	60	0	2
yes \| 6 ♠	60	0	2
no \| 5 ♣	50	1	3
no \| 6 ♠	50	1	3
yes \| Pass	50	1	2
no \| Pass	40	0	2
no \| 5 ♠	0	0	4
yes \| 5 ♥	0	0	2
yes \| 5 ♠	0	0	2
no \| 5 ♥	0	0	1
else	0	0	0

Problem G

Imps
Neither side vulnerable
You, South, hold:

♠ A Q 7 6 4 3

♥ Q

♦ A K Q

♣ Q 6 5

SOUTH	WEST	NORTH	EAST
1 ♠	Pass	1 NT	Pass
?

What call do you make?

Action	Score	Panel Votes	% of Solvers
3 ♠	100	8	30
3 ♣	90	6	11
3 NT	80	5	8
2 ♣	70	4	4
3 ♦	60	2	29
2 NT	60	2	9
2 ♦	0	0	4
4 ♠	0	0	3
else	0	0	2

Problem H

Imps
Both sides vulnerable
You, South, hold:

♠ 7 5

♥ A Q 10 4

♦ K 10 6

♣ Q 10 9 2

SOUTH	WEST	NORTH	EAST
——	——	——	2 NT
Pass	3 ♣	Pass	3 ♦
Pass	3 NT	(All Pass)

What is your opening lead?

Action	Score	Panel Votes	% of Solvers
♠ 7	100	11	52
♠ 5	90	4	1
♣ 10	80	6	16
♣ 2	70	3	8
♥ A	60	2	7
♥ 4	50	1	13
♥ Q	0	0	2
♥ 10	0	0	1
else	0	0	0

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 April 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.