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Elon Musk’s OpenAI Bot Beats Pro Dota 2 Player | News & Opinion

Artificial intelligence developed by the Elon Musk-backed OpenAI bested human players this weekend at The International, an annual Dota 2 championship.

While that might not sound too impressive on its face—we’ve seen Google-developed AI beat Go players—Dota 2 is “vastly more complex than traditional board games like chess & Go,” Musk tweeted.

“Dota’s a great testbed for artificial intelligence; it’s a very complicated game with a large competitive scene,” OpenAI co-founder and CTO Greg Brockman said in a video explaining the project (below). “The rules of Dota are so complicated [that] if you just think really hard about how the game works and try to write those rules down, you’re not even going to be able to reach the performance of a reasonable player.”

OpenAI has been hard at work on a bot capable of beating top professional players at Dota 1v1. On Friday, it was showcased at The International, a huge event hosted by Valve that draws 20,000 fans and players competing for $24 million in prizes.

The OpenAI bot went up against Danylo “Dendi” Ishutin in rather dramatic fashion, and handily beat the pro player twice before Ishutin bowed out.

Bot is really fun and challenging to play against 🙂 I am sure it is possible to beat it. But it [has] no room for even slight mistakes,” Ishutin tweeted after the match. “Need much more tries for that 🙂 I think first few levels are most important to keep the lead. Still was amazing fun to play on stage!”

Ishutin added that it’s “awesome what awaits us in future with all those technologies. Excited!!!”

According to Brockman, OpenAI “trained entirely through self play. It starts out completely random with no knowledge of the world and simply plays against a copy of themself, which means it always has an evenly matched opponent. And it climbs this ladder of skill level until it’s able to the reach the performance of the best professional players in the world.”

OpenAI then invited pro players to try out the OpenAI bot….

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