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comment by Devac
Devac  ·  130 days ago  ·  link  ·    ·  parent  ·  post: A question regarding perception.

AFAIK chess engines only keep references of last moves to avoid falling into logical loops leading to "tie by 3 move repetition" and track how long has it been since the last exchange occurred (it's an automatic tie if it was more than 50 IIRC). Other than that, I can't see any need or benefit coming from knowing last moves. At least in AI. Humans can exploit and be exploited by silly mind games, tendencies or reputation.