In this volume, the authors cover the main lines of the Closed Ruy Lopez. These lines include: The Marshall Attack, The Anti-Marshall, The Zaitsev Variation, The Breyer Variation, The Chigorin Variation, and a number of minor lines, such as the Bogoljubow Variation, The Smyslov Variation, The Keres Variation and more. The analysis are divided into 7 chapters, as shown in the second picture.