Posted on Tue 15 March 2016

AlphaGo - Lee Se-dol

After 5 long and exciting games AlphaGo finally managed to win 4:1 against the legendary Lee Se-dol, the first time in history a computer program managed to defeat a 9 dan professional player in an even match. And not just any 9 dan player, probably the best player of the decade. It was even awarded an honorary rank of 9 dan professional itself!

Obviously we are all extremely proud of this achievement, you can find out more about the details in our Nature paper. Most importantly, we still used roughly the same amount of hardware! This was a true algorithmic improvement compared to the Fan Hui match, really relying on the strength of deep neural networks, not just applying brute force.

If you want to relive the excitement or just study the games, you can watch recordings of all the matches in the DeepMind YouTube channelcache (these also include interviews with our team!), or look at the SGF files below:

Game 1

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Game 2

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Game 3

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Game 4

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Game 5

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Category: ai

Tags: programming, ai, go

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