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Google’s AI, DeepMind AlphaGo, has defeated the world’s No 1 Go player Ke Jie.

AlphaGo secured the victory after winning the second game in a three-part match.

Ke Jie had played “perfectly” and “pushed AlphaGo right to the limit”, said DeepMind founder Demis Hassabis.

Image source Wikimedia

Following the defeat, Ke Jie told reporters: “I’m a little bit sad, it’s a bit of a regret because I think I played pretty well.”

In Go, players take turns placing stones on a 19-by-19 grid, competing to take control of the most territory.

Go is considered to be one of the world’s most complex games, and is much more challenging for computers than chess.

AlphaGo has built up its expertise by studying older matches and playing thousands of games against itself.

The company says the eventual plan is to deploy its artificial intelligence “in areas of medicine and science”.

Google’s AlphaGo program has beaten Go champion Lee Se-dol by 3-0 in a best-of-five competition.

The match is seen as a landmark moment for artificial intelligence.

Google’s AlphaGo program was playing against Lee Se-dol in Seoul, in South Korea.

Lee Se-dol had been confident he would win before the competition started.

Go is considered to be a much more complex challenge for a computer than chess.

“AlphaGo played consistently from beginning to the end while Lee, as he is only human, showed some mental vulnerability,” one of Lee Se-dol’s former coaches, Kwon Kap-Yong, told the AFP.AlphaGo vs Lee Se dol

Lee Se-dol is considered a champion Go player, having won numerous professional tournaments in a long, successful career.

Go is a game of two players who take turns putting black or white stones on a 19-by-19 grid. Players win by surrounding their opponents pieces with their own.

In the first game of the series, AlphaGo triumphed by a very narrow margin – Lee Se-dol had led for most of the match, but AlphaGo managed to build up a strong lead in its closing stages.

After losing the second match to Deep Mind, Lee Se-dol said he was “speechless” adding that the AlphaGo machine played a “nearly perfect game”.

The two experts who provided commentary for the YouTube stream of for the third game said that it had been a complicated match to follow.

They said that Lee Se-dol had brought his “top game” but that AlphaGo had won “in great style”.

The AlphaGo system was developed by British computer company DeepMind which was bought by Google in 2014.

It has built up its expertise by studying older games and teasing out patterns of play.

Google’s artificial intelligence (AI) DeepMind AlphaGo program beat the world Go champion, South Korean Lee Se-dol, in the first of a series of games in Seoul.

Last year, AlphaGo beat the European Go champion, an achievement that was not expected for years.

A computer has beaten the world chess champion, but the Chinese game Go is seen as significantly more complex.

Throughout most of the game Lee Se-dol seemed to have the upper hand but in the last 20 minutes, AlphaGo took an unassailable lead.

After that, Lee Se-dol forfeited, handing victory to his opponent.

The two sides will play a total of five games over the next five days for a prize of about $1 million.Lee Se dol v Google AlphaGo

The five-day battle is being seen as a major test of what scientists and engineers have achieved in the sphere of artificial intelligence.

Go is a 3,000-year old Chinese board game and is considered to be a lot more complex than chess where AI scored its most famous victory to date when IBM’s Deep Blue beat grandmaster Gary Kasparov in 1997.

However, experts say Go presents an entirely different challenge because of the game’s incomputable number of move options which means that the computer must be capable of human-like “intuition” to prevail.

Go is thought to date back to ancient China, several thousand years ago.

Using black-and-white stones on a grid, players gain the upper hand by surrounding their opponents pieces with their own.

The rules are simpler than those of chess, but a player typically has a choice of 200 moves compared with about 20 in chess.

There are more possible positions in Go than atoms in the universe, according to DeepMind’s team.

It can be very difficult to determine who is winning, and many of the top human players rely on instinct.

Google’s AlphaGo was developed by British computer company DeepMind which was bought by Google in 2014.