Jesus de la Villa's worldwide bestseller 100 Endgames You Must Know successfully debunked the myth that endgame theory is complex and endgame books are necessarily tedious. Reviewers praised its clarity and completeness and thousands of players significantly improved their endgame understanding (and their results!). In the past couple of years, De la Villa's students sometimes complained that when they had to apply what they had studied in 100 Endgames, they didn't have the material ready at their fingertips. And De la Villa made an important discovery: most of their errors had already been made by others as well, even by strong and sometimes famous chess players! De la Villa started collecting training material and selected those exercises best suited to retain your knowledge and avoid common errors. In this book the Spanish grandmaster presents hundreds of exercises grouped according to the various chapters in 100 Endgames. Solving these puzzles will drive home the most important ideas, refresh your knowledge and improve your calculation skills. This book contains a massive amount of clear, concise and easy-to-follow chess endgame instruction. The advice De la Villa gives in the solutions is practical and useful. Ideal for every post-beginner, club player and candidate master who wishes to win more games. (Spanish to English translation by Ramon Jessurun)