New play at the Crucible highlights early struggles and shows the dissolving division between sport and the performing arts New play at the Crucible highlights early struggles and shows the dissolving division between sport and the performing arts T he Crucible Theatre is best known for hosting snooker, but it claims a place in football history too. On its outer wall, a blue plaque marks the site where the Sheffield Rules of the game were agreed in 1858, back when it was the Adelphi hotel. So