Movie from the late 80s, early 90s

Its about a boy and his family moving to a forrest town. the boy is disspleased with the moving, he has red hair and sunspots. He later meets a girl with long black hair, pale skin and that girl lives alone with his grandmother. One day, the boy is chassing the girl and in one moment she dissapeard and an raven turns out..

thats all that i remember from that movie...... any clues?