other people have started using the phrase adversarial training for lots of different areas almost any situation where we train and model in a worst case scenario where the worst case inputs are provided either by another model or by an optimization algorithm so the phrase episode training now applies to lots of ideas that are both new and old the way that we use the phrase adverse sail training now it could apply to things like and an agent playing a game against a copy of itself like Arthur Samuels checkers player back in the 1950s so