One for the enthusiasts of quiz shows on television and radio in Britain, therefore it is rather specialised. This is most probably the most fiendish grid I have ever set with red herrings and crossovers in abundance, but I am confident there is only one perfect solution to the puzzle. It is designed to confuse, mislead and frustrate but I will be delighted to learn that someone has cracked it. The next puzzle will be less devilish; I promise.

And you call me a sneaky blighter!!! hahaha. I'm as chuffed with my 5/10 as I would be with a 10/10. got the kepple group and connection as well as the Wallace one. Got the Hughes group, but not the solution. That was truly fiendish yet very interesting. Talking of interesting, Rowell also did Countdown and 15-1. yes, I'm a geek!