Declarer Play problem
(Page of 3)

North
J98762
AQ5
J942
South
AK43
64
KQ10642
Q
W
N
E
S
2NT
P
3
P
P
3
P
4
P
4
P
P
P

The opening 2N showed about 10-14 and at least 5-5 in the minors. You ventured a balance of 3, which seems to have worked out well. Although you have to make it.

West leads the A and continues the 8 to the 9 and 10.

How do you plan the hand?

North
J98762
AQ5
J942
South
AK43
64
KQ10642
Q
W
N
E
S
2NT
P
3
P
P
3
P
4
P
4
P
P
P

It seems you either need to take nine trumps and the A or eight and a heart and a diamond or two hearts. Nine trumps would involve, probably, ruffing four times in your hand and eventually scoring five trumps in dummy. The simple line involves drawing trump, then conceding the A. Works as long as trump are not 3-0. Can you come up with a sensible line that lets you triumph when LHO holds all three spades and the K is offside?

West
Q105
J10873
J3
A86
North
J98762
AQ5
J942
East
K92
A9875
K10753
South
AK43
64
KQ10642
Q
W
N
E
S
2NT
P
3
P
P
3
P
4
P
4
P
P
P
D
4 South
NS: 0 EW: 0

You better, because this was the layout. At the table, declarer cashed the A at trick 2. He then passed the K to the Ace, pitching a heart from dummy. He finessed the 10 on the way back, and from there he could not avoid losing two more tricks. His play was right, though, because if he puts up the Q and West follows low he can't manage the hand. if he leads a third diamond, West pitches his low club and the defense must take two more tricks. If instead he plays a heart to the ace, ruffs a club low, he can't reduce dummy's trumps fast enough.

Anyway, is there a better single-dummy line? Is there a successful double dummy line?