West led a passive diamond — a trump lead is standard v a grand slam on grounds of safety. Declarer won dummy’s nine and led a low heart — perhaps East would commit the indiscretion of rising with the ace. No — East recalled the void-showing 5 bid and played low. Declarer ruffed the heart, crossed to the queen of diamonds (East discarding a spade) and ruffed a second heart. He was hoping the ace of hearts would ruff down in three rounds. He cashed the ace-king of spades, ruffed the ten of spades with dummy’s king of diamonds and ruffed a third heart. No ace of hearts had appeared but, in the ending across, he cashed his last diamond (drawing West’s), throwing a club from dummy. What could East discard.

East had to keep his ace of hearts to prevent dummy’s king from promoting, so away went a club. Declarer now led a low club and was pleased to see West’s queen pop up. He won dummy’s ace, returned to his king-jack, removing East’s clubs and scored the last trick with his lowly three. Thirteen tricks and grand slam made — via a heart-club squeeze on East.