In Harry’s first year, what magical chess piece was Ron during the giant chess game?

Knight

Who slept under a broom tree discouraged and praying for death? Who voiced Rocket Racoon in "Guardians of the Galaxy"? Which insect larvae produce silk thread naturally used by humans? Which shark is known for its unusually long tail fin, approximately as long as its body? Which planet rotates on its side with an axial tilt of about 98 degrees?