Computer hardware and computer operating software system for athletes and coaches to officiate, review, track, analyze, enhance and improve performance data and computer software that provides information for athletic and sports training; downloadable software in the nature of a mobile application to enable athletes and coaches to track, analyze, enhance and improve performance data and mobile application software that provides information for athletic and sports training; wearable computers;...

Training system, for sporting games including games using balls with rackets, bats or paddles, comprised of instructions and rules, diagrams indicating targets to be marked on a ball court or ball field, and marking devices to mark target indicia on a ball court or ball field