This deal is a might have been from the Ben Franks Pairs
You elect to lead the four of clubs which goes to the nine, ace and six.
Partner now plays the heart king ducked all round, followed by the heart ten which declarer wins with the ace, plan your defence.
Scroll down when you have decided.
Partner has three heart tricks, but no entry to them.
To create an entry you have to find the spectacular discard of the ace of diamonds, hoping that partner's diamonds are Jxx.
If declarer returns a heart after winning the ace partner will have to switch to a spade, now declarer cannot untangle his spade tricks and set up and enjoy his heart tricks.
The full deal was