The very closely linked Slav and Semi-Slav Defences are two of the most popular and combative openings that Black can play against the Queen's Gambit. They have provided the battleground for thousands of exciting encounters between the world's chess elite, including Garry Kasparov, Vishy Anand, Vladimir Kramnik, Alexei Shirov and Alexander Morozevich. Players of all levels are attracted to the Slav and the Semi-Slav because they are solid, dependable defences that do, however, promise abundant possibilities for dynamic counterplay. In this easy-to-read guide, Grandmaster and openings expert Glenn Flear goes back to basics, studying the essential principles of the Slav and Semi-Slav Defences and their numerous variations. Throughout the book there are an abundance of notes, tips and warnings to guide the improving player, while key strategies, ideas and tactics for both sides are clearly illustrated. A user-friendly layout to help readers absorb ideas, this book concentrates on the key principles of the Slav and Semi-Slav, and is ideal for the improving player.