Google AlphaGo AI loses 4th match against champion, still winning 3-1

AlphaGo, the artificial intelligence from Google’s DeepMind project, has finally had its winning streak against Go world champion Lee Sedol broken. While the AI won its third straight game against Lee yesterday, leaving the player disappointed and prompting an apology for not meeting expectations, 18-time world champion racked up a victory today, marking his first win against the machine out of five total matches. AlphaGo’s first wins against Lee were the start of a landmark event, both in the worlds of AI research and the game of Go, as the computer had previously defeated European champion Fan Hui 5-0 last year. Lee was widely seen as a stronger opponent, which he finally proved in an exciting win. The first matches saw, as observers noted, the AI using unusual strategies and…


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