[kfay]

Bad club opponents.

Scoring: MP

P-P-1♦-P
2♠-P-4♠-All P

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2♠ was a weak jump-shift.

Partner leads a low club (3rd/5th).

You put on the J, declarer plays the A and leads the ♠J to the K. You exit a spade.

Declarer plays the ♥A and partner throws a highish spot which you know probably means she's giving you count.

Now declarer cashes the ♣K and leads a low club off dummy, your play?

[Apollo81]

The only layout that matters is if declarer had 6313, so we win the club and then play another one, trapping declarer in dummy.

[kfay]

Apollo81, on Aug 28 2008, 09:38 AM, said:

The only layout that matters is if declarer had 6313, so we win the club and then play another one, trapping declarer in dummy.

OOPS!!

Sorry, major edit.

[Mosene]

win the club queen and play back the q of hearts.

[Apollo81]

All of the club spots seem relevant in this problem. For instance, partner could always play the ♣9 on the second round, denying the ♣10. If that happens you obviously have to win the club trick. If neither declarer nor partner played the ♣9 (and you trust partner) then partner must have ♣10 and you can safely duck the trick. If declarer played the ♣9 on the second round then you may be able to tell from all the other spots whether he is hiding a low one or not.

If I had concluded from the above that declarer could hold the ♣10, I would rise and lead a low heart, hoping declarer guesses wrong from ♥Jx.