Rook endgames are the most important to study, because they are the type of endgame you will face most often over the board. Working on rook endgames gives the biggest bang for your buck. World-class grandmaster Sam Shankland explains technical rook endgames in a way that is clearer, better organized, more concise, and easier to understand than any previous work. After learning the vital set positions, the reader is offered lots of rules and guidelines to correctly assess any theoretical rook endgame they have not yet memorized. Theoretical Rook Endgames is the ideal guide to a vital topic in chess. After reading this book, you will know which positions must be memorized, and which positions are best handled by considering general principles. The sister volume - Conceptual Rook Endgames by Jacob Aagaard - shows how the theoretical knowledge shown in the present book is used in advanced practical play.