Sadly I didn't find the play
I appreciate it was a very questionnable slam, questionnably bid so please be kind
Sorry King of diamonds was led
I played perfectly(?) until the last 5 or so cards
I will give an initial clue - you have to lose to the Queen of spades - at least I did and couldn't find the extra necessary trick
If anyone spots the play and it is not beginner level please be kind - I am curious what it is called - there may of course be multiple ways to play it
By way of reassurance the one player who bid and made 100% was an Expert - and also gave up one trick to the Queen