Grandmaster Opening Preparation - Jaan Ehlvest (Hardback)Grandmaster Opening Preparation by Jaan Ehlvest (Hardback) There are hundreds of opening books available, full of deep analysis, but many of them fail to explain the reasons for choosing one computer line over another. And how top players distinguish between good and bad opening lines remains a mystery to most of the chess world. Grandmaster Opening Preparation addresses such questions as how to balance computer preparation with human considerations,