Trickiest of Classics is the type of mystery only Line Of Duty can serve up

What better way to warm up for Line Of Duty tomorrow night than by trying to crack the mystery of the Qipco 2,000 Guineas this afternoon?

Wading through the clues from six series of tautly written drama to identify criminal mastermind 'H' is nothing compared to the challenge of solving this trickiest of Classics.

This is not one of those years when an obvious leader of their generation signals things are about to get serious on the Flat by gracing Newmarket with his presence to confirm that superiority.