Book excerpt: Mauricio Flores Rios provides an in-depth study of the 28 most common structures in chess practice. In Chess Structures - A Grandmaster Guide you will find:*Carefully selected model games showing each structure's main plans and ideas*Strategic patterns to observe and typical pitfalls to avoid*50 positional exercises with detailed solutionsGM Axel Bachmann from the Foreword:"Chess Structures - A Grandmaster Guide is an excellent selection of model games. By studying the 140 games and fragments in this book, the reader will learn many of the most important plans, patterns and ideas in chess."