Master the Openings - Queen's Indian Defense

A solid and popular opening (1. d4 Nf6 2. c4 e6 3. Nf3 b6) masterfully played by many of the greatest chess players, including Petrosian, Karpov and Kasparov. Solving exercises for both sides is encouraged in order to understand the key ideas and typical mistakes from both perspectives and avoid them in practical play.