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Go Champion Lee Se-dol Beats Google's DeepMind AI For First Time (theverge.com)

Posted by msmash on from the not-a-whitewash dept.

An anonymous reader writes: Korean Go grandmaster Lee Se-dol on Sunday registered his first win over Google's AlphaGo. The win comes after AlphaGo won first three games in the DeepMind challenge earlier this week. The win should serve as a reminder that Google's artificial intelligence computer is not perfect after all, at least for now. Se-dol said earlier this week that he was not able to defeat AlphaGo because he could not find any weakness in its strategy. Commenting after his win, Se-dol said, "I've never been congratulated so much just because I won one game!"

4 of 109 comments (clear)

  1. Go Turing Test by PolygamousRanchKid+ · · Score: 4, Interesting

    It would be interesting to set up a Go Turing Test. Either have another top Go player or AlphaGo behind a wall calling the moves.

    Can the human champ Lee Se-dol determine if he is playing against a computer or a human . . . ?

    Also, the more he plays against AlphaGo, will he develop different strategies for playing against computers, as opposed to humans . . . ?

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    1. Re:Go Turing Test by Kjella · · Score: 4, Interesting

      It would be interesting to set up a Go Turing Test. Either have another top Go player or AlphaGo behind a wall calling the moves.

      Can the human champ Lee Se-dol determine if he is playing against a computer or a human... ?

      Well at least in the end game the pros were pretty clear that this was not the kind of plays you'd make to try to confuse a 9 dan pro into losing a slightly favorable position. It was forcing Lee Se-dol to counter but all it really did was give him more time to consider the remaining contested areas while playing moves he could blitz if he'd wanted to. Also previously they felt AlphaGo took some really convoluted ways to win where a human would just simplify to claim the win. So when you step out of the game and into the meta-game it seems obvious - to them at least - that you're playing a computer.

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  2. Re:This is interesting by Anonymous Coward · · Score: 3, Interesting

    Mikhail Botvinnik worked for years with a team on one of the first non-brute-force programs, PIONEER. While the program itself was not ultimately at the forefront of chess programs, spinoffs of the developed algorithms were employed for energy network planning in the USSR at increasingly larger scale and successfully so.

  3. Re:This is interesting by Anonymous Coward · · Score: 5, Interesting

    I don't think it's that easy.

    The game changed when Lee joined together two large fronts, creating an inside outside problem with territory far far bigger than in any of the previous 3 games.

    Alpha go seemed in capable of doing the calculations for that area, as time ran down it first resorted to playing off the smaller fronts, then it eventually resorted to last ditch moves which were rubbish moves that would only pay off if Lee made a mistake, then it resigned. It seems it was never even able to compute the middle of the board.

    Alpha go looked indecisive and risk averse. Lee was the opposite.