Grandmaster Repertoire is a series of high quality chess books based on the main lines, written by strong grandmasters. The aim is to provide the reader with a complete repertoire at a level good enough for elite tournaments, and certainly also for the club championship. In two volumes, The Grunfeld Defence offers a complete repertoire for Black against 1.d4. Avrukh's two previous Grandmaster Repertoire books White received universal rave reviews and have been hugely influential on chess players all over the world, including at the very highest level. This is Volume One of Two."

When Boris Avrukh released the first volume of his 1.d4 repertoire in 2008, it revolutionized chess opening books. As GM Michael Adams said: "The high-quality Grandmaster Repertoire series has taken this format to a completely different level." Or as GM Glenn Flear put it: "This book represents nothing short of a technological advance in chess opening theory." Now Avrukh is back with an expanded, updated and revamped 1.d4 repertoire. Volume 1A deals primarily with the Catalan, which is an Avrukh specialty. In GM Simen Agdestein s words: "It s in Avrukh has become a standard comment for those...