Who said "Wizard's chess is much more violent than muggle chess."?

This quote is attributed to Harry Potter.

Wizard's chess is much more violent than muggle chess. - Harry Potter

"Wizard's chess is much more violent than muggle chess."

Harry Potter Humor

"I'm not going back there."

"I didn't know I was a wizard until I got your letter."

"I think I can be brave."

"It's our choices that show what we truly are, far more than our abilities."

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."