This deal is from the Great Northern Swiss Pairs.
The Devil's Coup is possibly the rarest end position in bridge. I have never seen one played, this deal was nearly there.
When Rodney Lighton took a rosy view of his hand Tom Dessain was left in four spades with seemingly four losers, one in each suit.
West led a diamond ducked by declarer then the defence played ace and another club. Tom then played a heart to the king and ruffed a club, then a diamond to the ace and ruffed a diamond in hand. Now he cashed the heart ace and exited in hearts to leave the end position below, with East on play.
At this point East led her last club, so Tom was able to discard from hand and ruff in dummy, now the last diamond from dummy was ruffed by East, over ruffed by declarer and he had the ace and king of trumps for the last two tricks. Because West had the nine of spades, East could have beaten the contract by playing a spade in the diagrammed position. For this to have been a true devil's coup the nine and five of spades would have to be swapped. Now a spade exit goes to the jack and ace and South can finesse the spade ten for the contract. But well played by Tom for a complete top.