AlphaGo played a move experts first thought was a mistake — and it won the game.

Wacky WorldAI & Computers

In game 2 against Lee Sedol in 2016, AlphaGo’s “move 37” was so unusual that commentators were puzzled; AlphaGo itself estimated a human would play it about 1 time in 10,000. It proved decisive.

Source: en.wikipedia.org

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