4S: Matchpoint Problem (Updated)
(Page of 4)

North
K3
1076
AQJ72
KJ6
South
A98542
A9
9
Q875
W
N
E
S
1
3
3
P
4
P
P
P

West leads the 5 to the 7 and J. Plan the play (matchpoints).

North
K3
1076
AQJ72
KJ6
South
A98542
A9
9
Q875
W
N
E
S
1
3
3
P
4
P
P
P

Say you win the A and cash the KA. You hook the Q and play the A, pitching the 9 from hand. When you continue with the 2, East pitches a heart. Now what?

You ruff the diamond and find yourself in this position:

North
106
J7
KJ6
South
985
Q875

You exit a trump, West pitching a club and you a heart from dummy.

1) How will you play if East exits a club? (If you win in dummy and ruff a heart next, you will discover that East has the expected 7 hearts for his bid.)

2) How will you play if East exits a heart, West pitching a diamond?

3) How will you play if East exits a heart, West pitching a club?

Try to lock down 11 tricks in all 3 of the above cases. Read on for the full layout.

Here is the full layout:

West
xx
x
Kxxxx
Axxxx
North
K3
1076
AQJ72
KJ6
East
xxx
KQJxxxx
xx
x
South
A98542
A9
9
Q875
W
N
E
S
1
3
3
P
4
P
P
P
D
4 South
NS: 0 EW: 0

And here is the position with 6 tricks to play (East to lead):

West
Kx
Axxx
North
10
J7
KJ6
East
KQxxx
x
South
98
Q875
W
N
E
S
1
3
3
P
4
P
P
P
D
4 South
NS: 0 EW: 0

Do you see how to lock down 11 tricks in this position?

Thanks to John Adams for sharing this problem.