The Ruy Lopez is a perennially popular opening and all World Champions have played it, with White or with Black or with both colours. Studying it will improve your chess understanding — and your results! On three new FritzTrainer DVDs Fabiano Caruana, World Championship Challenger 2018, now explains the intricacies and attractions of this opening, offering White a complete repertoire. These FritzTrainers also impress with a technical novelty: they run on Macs, iPad, Android, and Windows!