Competition occurs when several participants in a situation are interdependent, in that the movement of one toward a goal that all are seeking decreases the chances that the others will also reach it. (Abra and Abra, 1999)
Competition. Dictionary of Creativity: Terms, Concepts, Theories & Findings in Creativity Research / Compiled and edited by
Eugene Gorny. Netslova.ru, 2007. https://creativity.netslova.ru/Competition.html