Any other play by East at the finish would have allowed South to make his game.
A retreat by East to four spades would have been an improvement, with two down a probably result.
South could try establishing diamonds and then lead the heart jack, but a duck by East will be decisive.
At another table, the opening bid was two no-trump by East.
A low heart came next, ruffed by East after a club discard from dummy.
He felt better when his partner pointed out that the other contracts were six clubs doubled, played by East.
A modern world champion would be proud of the defense by East on the diagramed deal.
You lead a spade and dummy's queen is played, won by East with the ace.
There had been no bidding to indicate the danger of a shift to diamonds by East.
A diamond ruff by East was quite unexpected, looking at the original diagram.