"What do you need boy robes for?" inquires Madam Malkins.
"I'm sometimes a boy," the girl explains.
"What?"
"Look—"
"I think it's literally the end? There have been matches that go on for a few days before, I think, but they're rare."
"I didn't design it? But it's not awful, it's not like it causes anything seriously bad, just weird?"
"… I'm not a huge sports fan but they mostly seem to be, uh, hit spheres at each other or things for, uh, reasons?"
"Well, it depends on what you call a sport, because, well, there's – wizard's chess, I'm guessing you know the nonmagical one?"
"It's, I think, pretty similar but the pieces move themselves and you can tell them where to go?"
"They both exist," he says. "There's a broom race through – I think it's Sweden? – every year, international thing."