Paulsen: Semi-Slav 5.Bg5Chess Developments provides state of the art openings coverage. Chess Developments focuses on the current trends concentrating on critical lines, theoretical novelties and powerful new ideas. It offers players of all levels the opportunity to keep up to date with current opening theory whilst also expanding and improving their repertoires. In this book, Bryan Paulsen examines key lines in the Semi Slav Defence, which is hotly debated at both world