Artificial Intelligence / AI 0156 · Atom · ~20 seconds
The Evaluation Function
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Real game programs search partway down, then score unfinished positions with an evaluation function — a judgment standing in for the unaffordable truth.
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The move is the heuristic idea from Unit 2, pointed at game trees: an estimate where exact scoring cannot reach.
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The program's play is only as sound as the judging function at the search frontier.