The Grunfeld Defence is one of the most dynamic openings for Black. The opening was developed by two famous World Champions, namely Bobby Fischer and Garry Kasparov.While theory is far from being exhausted and still developing, our author Grandmaster Milos Pavlovic made a strange case and found new alternatives to battle White's setups. On top this book cuts through the dense theory that surrounds thisopening and establishes a total new repertoire based around consistentstrategies, concepts and novelties.This is a fully revised and seriously extended edition of the original book published in 2017.