This is a perfect opening manual that contains a detailed classification. Modern Chess Opening, vol. 5, Semi-Closed Games (1. d4 Nf6 2. c4 e6) course is aimed at teaching a student much of the opening and middlegame methods and intricacies through a theoretical section which includes 294 games/lectures. Each of them illustrates typical plans and methods in the following openings: Nimzo- Indian defense, Queen’s Indian defense and Catalan opening. Each opening variation is supplied with evaluations and characteristic of the key moves. Also the program includes 301 exercises for a user to solve, giving refutations of the wrong moves as well as numerous hints to help you find the correct answer.