Ron is a (good) chess player than Professor Quirrell.
Ron is a better chess player than Professor Quirrell.
Harry is (brave) than Peter.
Harry is braver than Peter.
Hermione is (smart) than Ron.
Hermione is smarter than Ron.
Buckbeak is (intelligent) than Draco.
Buckbeak is more intelligent than Draco.
Voldemort is (nasty) than Draco.
Voldemort is nastier than Draco.
Professor Snape is (mean) than Professor Flitwick.
Professor Snape is meaner than Professor Flitwick.
Umbridge is (bad) than Filch.
Umbridge is worse than Filch.
Fleur is (beautiful) than Professor Umbridge.
Fleur is more beautiful than professor Umbridge.
Neville is (sweet) than Seamus.
Neville is sweeter than Seamus.
Dumbledore is (strong) than Grindewald.
Dumbledore is stronger than Grindewald.