ONE WAY TO measure progress in artificial intelligence is to chart victories by algorithms over champions of increasingly challenging games—checkers, chess, and, in 2016, Go. On Wednesday, five bots sought to extend AI’s mastery to e-sports, in the fantasy battle game Dota 2. They failed, as a team of pro gamers from Brazil called paiN defended humanity’s honor—for now.
A crowd of thousands in Vancouver’s hockey arena watched the bots battle paiN over 52 tense minutes packed with spells and firebolts. The humans won decisively. The human-machine contest was a side event to The International, a Dota 2 tournament that boasts the biggest purse in e-sports, at $25 million.
The five bots that lost Wednesday were created by OpenAI, a research institute cofounded by Tesla CEO Elon Musk to work towards human-level artificial intelligence, and make the technology safe.
The match suggests that the best pro gamers maintain an edge over the best algorithms. A warm-up match earlier this month in which the bots defeated a team of Dota experts who provide commentary on pro games had raised expectations that AI was about to claim another scalp. OpenAI is targeting Dota 2 because, appearances aside, it is mathematically more complex than chess or Go. In the game, five-person teams pick characters such as spiders, sorcerers, and centaurs, and then fight to destroy each other’s bases.
The way the bots lost highlights a limitation of machine learning, the technique driving the current AI boom that relies on machines learning tricky tasks through experience and data. Mathematically rendering data into software that makes decisions works well for some tasks, such as speech recognition, but doesn’t easily create impressive powers of strategy or planning.
OpenAI’s software racked up more kills than paiN, spooking the tournament’s commentators with perfectly timed and coordinated attacks that could seem impossible for its human opponents to withstand. But the bots lagged strategically, squandering opportunities to gather and direct the resources needed for overall victory.
“The bots are still very good at moment-to-moment, but they seem bad at macro-level decisions,” tweeted Mike Cook, who researches games and AI at the University of Falmouth in the UK, and the Max Planck Institute for Software Systems in Germany.
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source http://news.statii.co.uk/pro-gamers-fend-off-elon-musks-ai-bots-for-now/
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