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posted by chromas on Saturday January 26 2019, @12:20AM   Printer-friendly
from the wargames-reference dept.

DeepMind's AI agents conquer human pros at Starcraft II

AI agents developed by Google's DeepMind subsidiary have beaten human pros at Starcraft II — a first in the world of artificial intelligence. In a series of matches streamed on YouTube and Twitch, AI players beat the humans 10 games in a row. In the final match, pro player Grzegorz "MaNa" Komincz was able to snatch a single victory for humanity.

[...] Beating humans at video games might seem like a sideshow in AI development, but it's a significant research challenge. Games like Starcraft II are harder for computers to play than board games like chess or Go. In video games, AI agents can't watch the movement of every piece to calculate their next move, and they have to react in real time.

These factors didn't seem like much of an impediment to DeepMind's AI system, dubbed AlphaStar. First, it beat pro player Dario "TLO" Wünsch, before moving to take on MaNa. The games were originally played in December last year at DeepMind's London HQ, but a final match against MaNa was streamed live today, providing humans with their single victory.

Professional Starcraft commentators described AlphaStar's play as "phenomenal" and "superhuman." In Starcraft II, players start on different sides of the same map before building up a base, training an army, and invading the enemy's territory. AlphaStar was particularly good at what's called "micro," short for micromanagement, referring to the ability to control troops quickly and decisively on the battlefield.

[...] Experts have already begun to dissect the games and argue over whether AlphaStar had any unfair advantages. The AI agent was hobbled in some ways. For example, it was restricted from performing more clicks per minute than a human. But unlike human players, it was able to view the whole map at once, rather than navigating it manually.

Previously: Google DeepMind to Take on Starcraft II
Google's AI Declares Galactic War on Starcraft

Related: DeepMind's AI Agents Exceed Human-Level Gameplay in Quake III
Move Over AlphaGo: AlphaZero Taught Itself to Play Three Different Games


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  • (Score: 1, Insightful) by Anonymous Coward on Saturday January 26 2019, @03:50AM (3 children)

    by Anonymous Coward on Saturday January 26 2019, @03:50AM (#792168)

    To be clear, I think that a computer winning at Go is much more significant and impressive than winning at Starcraft 2, and that push-come-to-shove that a computer will easily be able to beat a human (using APM if nothing else). That being said, from the article:

    Experts have already begun to dissect the games and argue over whether AlphaStar had any unfair advantages. The AI agent was hobbled in some ways. For example, it was restricted from performing more clicks per minute than a human. But unlike human players, it was able to view the whole map at once, rather than navigating it manually.

    DeepMind’s researchers said this provided no real advantage as the agent only focuses on a single part of the map at any one time. But, as the games showed, this didn’t stop AlphaStar from expertly controlling units in three different parts areas simultaneously — something that the commentators said would be impossible for humans. Notably, when MaNa beat AlphaStar in the live match, the AI was playing with a restricted camera view.

    So yeah... give a computer unfair advantages, and it wins. Shocking. It's just like how on Jeopardy, the precision perfect timer allowed the computer to win the buzz each time and win the game.

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  • (Score: 2) by takyon on Saturday January 26 2019, @05:05AM

    by takyon (881) <{takyon} {at} {soylentnews.org}> on Saturday January 26 2019, @05:05AM (#792194) Journal

    AlphaDeepWhatever's limitations may be coming into focus. This map thing - if we were to restrict it to using a the normal view of the map (at a screen resolution allowed by the game) as well as the mini-map, and force it to scroll or click as if it were using a mouse, then the problem space could become a lot larger. Suddenly it needs to kind of remember what's going on, and it becomes less of an image recognition problem. It has to react to sound alerts or enemies appearing on the mini-map.

    I don't think it's impossible to make it do everything like a human short of physically staring at a screen, tapping on a keyboard, and moving a mouse (which could be done with a robot if we want to go there). But it might (un)expectedly make the problem orders of magnitude harder.

    Advances in transistors or 3D architecture could make the hardware thousands or millions of times faster, allowing the problems to be brute forced like before. Or we could see Google move towards neuromorphic and "strong AI", i.e. a machine with apparent sapience. The latter would be developed in secret. And there would be a lot more interesting applications than "Starcraft 2 playing slave".

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  • (Score: 0) by Anonymous Coward on Saturday January 26 2019, @03:39PM

    by Anonymous Coward on Saturday January 26 2019, @03:39PM (#792329)

    "So yeah... give a computer unfair advantages, and it wins "
    This is the wrong way to think about things. Let me illustrate with another example.

    Give a tractor an unfair advantage and it wins the digging contest.

  • (Score: 3, Interesting) by RandomFactor on Saturday January 26 2019, @04:46PM

    by RandomFactor (3682) Subscriber Badge on Saturday January 26 2019, @04:46PM (#792348) Journal

    give a computer unfair advantages, and it wins.

    Sure but that generally holds for humans also :-)

    If you are in a competition of any sort, then the same constraints should apply to all. However, for real world applications, we certainly want AI to have all those cool advantages.

    Put an AI in command of, say, ocean going warships [npr.org] and I want them to be able to pull data from every radar, lidar, microwave, sonar, camera, magnetic, pressure, recon by fire, subspace, and whatever-the-heck-else they have simultaneously and avoid issues like no human ever could (particularly at the dreary end of an extremely long day [soylentnews.org])

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