Sadler: The Silicon Road to Chess ImprovementYour chess engine can do so much more than just calculate variations! Every chess player, from club level up, can improve their game by using engines. That is the message of Matthew Sadlers thought provoking new book, based on many years of experience with the worlds best chess software. You may not be able to replicate their dazzling deep calculations, but there is so much more your engine can do for you than just checking variations! Matthew Sadler,