TTCentral offers the most advanced software in the world for managing kanban competition. The kanban system sets up competition for recreational table tennis. One night's play is called an "Event". The play format is a cross between traditional group/table based league, a ladder, and a giant round-robin. The software functions to schedule matches and dynamically adjust ratings throughout the night. The scheduler uses the dynamically adjusted ratings to schedule matches each time a table becomes available. The "kanban" system gets its name from the Japanese manufacturing technique where downstream demand for parts drives the supply chain for those parts, just as a match gets scheduled when a table becomes available.