DeepMind's AlphaGo versus Ke Jie: AI (artificial intelligence) triumphs again in second game against human world Go champion

 
Lynsey Barber
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Champion Ke Jie has been defeated by AlphaGo (Source: Getty)

Machine has triumphed over man once again, in the second of three games testing the skills of a human champion against those of artificial intelligence.

DeepMind's AlphaGo, the AI-powered software which last year made history after beating a champion player of the chess-like game Go, has returned to face a new foe – the world's number one player Ke Jie.

The AI on Thursday morning defeated a Jie for a second time in a best-of-three set played this week. AlphaGo had already triumphed in the first game on Tuesday morning.

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According to the founder of Google-owned DeepMind, Demis Hassabis, Jie pushed the technology "to its limits". Here's what he's been tweeting about the match.

And the first match was closely run.

The ancient Chinese game of Go is considered one of the "grand challenges" of AI because of its complexity (even more so than chess). After last year's win, DeepMind was impressed with AlphaGo's creative moves which "were so surprising they overturned hundreds of years of received wisdom" in the game.

"In the course of winning, AlphaGo somehow taught the world completely new knowledge about perhaps the most studied and contemplated game in history."

It has already been playing games to improve its technique, winning 60 in a row, but now it's facing the new, top challenger at a festival in China where the new insight into the 3,000-year-old game is being celebrated.

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"Instead of diminishing the game, as some feared, AI has actually made human players stronger and more creative," said Hassabis ahead of the game.

"It’s humbling to see how pros and amateurs alike, who have pored over every detail of AlphaGo’s innovative game play, have actually learned new knowledge and strategies about perhaps the most studied and contemplated game in history."

WATCH: Google DeepMind's AlphaGo defeats Ke Jie in first game

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