In Chess Structures: A Grandmaster Guide, Chilean grandmaster Mauricio Flores Rios examines 28 common pawn structures encountered in practical chess. Through the analysis of 140 games and game fragments, he explains the strategic plans, positional patterns and typical mistakes associated with each structure. The book includes carefully selected model games and 50 positional exercises with detailed solutions. It is intended to help players develop a deeper understanding of pawn structures and the strategic decisions they shape. Mauricio Flores Rios is a Chilean chess grandmaster who earned the title at the age of 18 and has represented Chile in chess Olympiads. Alongside his competitive career and work as a chess trainer, he has pursued academic studies in mathematics. (AI-generated content description)