Long before deep learning dominated AI, the study of classic card games like...

https://front-wiki.win/index.php/What_Is_Counterfactual_Regret_Minimization:_The_Poker_AI_Technique_That_Changed_AI_Learning_from_Mistakes

Long before deep learning dominated AI, the study of classic card games like poker, solitaire, and bridge laid critical groundwork for handling uncertainty and incomplete information—challenges that define real-world intelligence