In this course, you'll master the R4 Accelerator Grading System—a breakthrough method that identifies defensive tendencies using common language and simple tools. Learn how to identify the hidden patterns in game film in both pass and run defense using our Accelerator Grading Cards, then apply those insights to build game plans using the R4 Game Plan Pad. Whether you're a veteran coach or just starting out, this toolkit gives you everything you need to: Grade opponent film with consistency and confidence. Spot the Coverage Bubbles and Front entry points that create offensive advantages. Use the R4 rhythm-based framework to call plays that neutralize strength and attack weakness. Game plan like a coordinator, even if you’re a position coach or player. You’ll walk away with a repeatable, step-by-step process for turning film study into tactical mastery.