Artificial Intelligence / Unit 3 AI 0158 short lesson, about 20 seconds
AlphaGo: Judgment Grown
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The idea
AlphaGo beat the world Go champion by combining tree search with learned judgment: networks trained on human games, then on play against itself.
In practice
By its maker's account: a policy network proposing moves, a value network judging positions, sharpened by self-play.
Where people slip
Where a written judge can be read and argued with, a grown judge cannot — a cost with its own unit later.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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