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Man beats machine at Go in human victory over AI

Amateur Kellin Pelrine exploited weakness in systems that have otherwise dominated the board game’s grandmasters

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A human player has comprehensively defeated a top-ranked AI system at the board game Go.

Amateur Kellin Pelrine has comprehensively defeated a top-ranked AI system at the board game Go.

PHOTO: UNSPLASH

Richard Waters

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A human player has comprehensively defeated a top-ranked AI system at the board game Go, in a surprise reversal of the 2016 computer victory that was seen as a milestone in the rise of artificial intelligence.

Kellin Pelrine, an American player who is one level below the top amateur ranking, beat the machine by taking advantage of a previously unknown flaw that had been identified by another computer. But the head-to-head confrontation in which he won 14 of 15 games was undertaken without direct computer support.

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