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 time, and to the way the moves unfold: tempo, initiative, a threat, an attack. Modern chess players need to be able to suppress their need for immediate gratification. In order to gain the upper hand you often have to live with uncertain compensation. With many fascinating examples, Kuljasevic teaches you the essential skill of taking calculated risks. After studying Beyond Material, winning games by sacrificing material will become second nature to you.