Mastermind chess question upsets viewers

BBC quiz show Mastermind has been criticised by viewers after host Clive Myries posed a question about chess that seemed to go on for ever, eating into the contestants time.

Credit: Mastermind / BBC / BBCiPlayer

Video transcript

CLIVE MYRIES: Which chess piece performs an L-shaped move, either up or down, one square vertically and across two squares horizontally--

- Knight.

CLIVE MYRIES: --or up or down, two squares vertically and across one square horizontally?

- Knight.