Chess studies have brought pleasure to enthusiasts over the centuries. They show the depth of the game more dramatically than regular over-the-board encounters. They can be mind-bogglingly clever. But how do authors go about composing studies? Amatzia Avni is a Fide Master in both OTB play and composition. He describes the process of spotting an idea and refining it, step by step, together with a colleague, until you have a competition-worthy study.