Improve your ability to take calculated risks! In order to win a game of chess you very often have to sacrifice material. Gathering the courage to do so while accurately assessing the potential benefits is a real challenge. The big question is always: whats my compensation? Generations of chess players grew up with the idea that a sacrifice was correct if the material was swiftly returned, with interest. Almost by reflex, they spent lots of time counting, quantifying the static value of their pieces. But is that really the best way to determine the correctness of a sacrifice? In this book, Grandmaster Davorin Kuljasevic teaches you how to look beyond the material balance when you evaluate positions. With loads of instructive examples he shows how the actual value of your pieces fluctuates during the game, depending on many non-material factors. Some of those factors are space-related, such as mobility, harmony, outposts, structures, files and diagonals. Other factors are related to