Bosch: How to Out-Prepare Your OpponentA Complete Guide to Successful Chess Opening Preparation The number of hours you can spend on opening preparation is endless. Books, videos and databases offer hundreds of ever widening variations. But how do you find your way through this labyrinth? Where do you start? And, maybe even more importantly: where do you stop? International Master Jeroen Bosch provides a solution to those questions. He presents a structured approach to the study of