Reinforcement learning is a machine-learning approach in which an agent learns behavior through trial and error, using rewards and punishments as feedback. section 3.4.2
Self-play checkers
Arthur Samuel’s 1956 checkers program played against itself, made random moves, and assessed outcomes using checkers rules to identify better strategies. section 3.4.2
The approach is most useful when positive actions have clearly defined rewards. That clarity is uncommon in many real-world applications, so oversight and monitoring remain important. section 3.4.2

















