Cho follows Harry thinking he has seen the snitch, but Harry abruptly pulls out of the dive and Cho rushes off. Harry jumps up, then locates the Snitch flying above Ravenclaw. He speeds up, and Cho follows him and just as he manages to catch the Snitch, Cho exclaims, “Oh! causing Harry to look down and spot 3 Dementors. Harry draws his wand and shouts "Expecto Patronum!" " and a silver-white light burst from his wand and directly at the Dementors. Harry then refocuses, looks ahead and catches the Snitch, thus winning the