This deal is a might have been from a Manchester League match.
At the table North South overbid to four spades which was a hopeless contract, but suppose the contract is three spades.
The defence cash three diamonds ending with East who then plays a club to six, ten and ace.
Declarer now plays ace, king of hearts and trumps a heart in hand and then the ace and king of spades to leave the following position with North on lead needing three more tricks.
Now declarer leads the last heart from dummy and trumps it. What can West play? If he overtrumps he has to lead a diamond conceding a ruff and discard or a club away from the queen. Discarding a club gives declarer two club tricks and discarding a diamond allows declarer to exit wtih a trump to West's queen to lead away from the queen of clubs.
Alan Mould, who analysed the deal, thinks this is a backwash squeeze, a rare ending, on the other hand David Burn thinks it is no more than a strip squeeze.
Whichever, it is a neat ending.
Thanks to Alan Mould and John Holland for reporting this deal