Can IM Daniel Rensch teach you 40 openings in a single video? In part one of this fundamental video series, enjoy a crash course in pawn structure for every main-line chess opening. In this fast-paced lesson, IM Rensch surveys the key elements of the openings and shows you the crucial ideas for each arising structure. If you’re a chess beginner, there isn’t a better video for your opening repertoire. If you’re a more advanced player, take this as a refresher course.