The Grunfeld Defence is a dynamic and popular weapon for Black against queen's pawn openings. Former World Champion Bobby Fischer and current world number one Garry Kasparov head a long list of grandmasters that have utilized this opening with continued success. In this book, grandmaster and renowned chess teacher Nigel Davies explains the key ideas and tactics for both White and Black. Using illustrative games, Davies guides the reader through both the fashionable main lines and the tricky side variations.