Jesus de la Villas worldwide bestseller 100 Endgames You Must Know successfully debunked the myth that endgame theory is complex and that endgame books are tedious. Reviewers praised its clarity and completeness and thousands of players dramatically improved their endgame understanding (and their results!). In recent years, De la Villas students sometimes complained that when they had to apply what they had studied in 100 Endgames, they didnt always have the material ready at their fingertips. De la Villa then made an important discovery: most of the errors his students made are being made by...