This is a perfect opening manual that contains a detailed classification. Modern Chess Opening, vol. 6, Closed Games (1. d4 d5) course is aimed at teaching a student much of the opening and middlegame methods and intricacies through a theoretical section which includes 416 games/lectures. Each of them illustrates typical plans and methods in the following openings: Queen’s gambit, Queen’s gambit accepted, Cambridge springs variation, Tarrasch defense, Slav defense. Also the program includes more than 202 exercises for a user to solve, giving refutations of the wrong moves as well as numerous hints to help you find the correct answer.