Was the “rapid” playoff – four quick games with an initial time limit of 25 minutes per player, with the threat of even faster “blitz” and “Armageddon” games to follow – really an appropriate way to decide the recent world chess championship final in New York, where Magnus Carlsen defeated Sergey Karjakin?
James Thomson, Manchester
• Post your answers – and new questions – below or email them to nq@theguardian.com. Please include name, address and phone number.
