Artificial Intelligence Wins $800,000 Against 4 Poker Masters

Interesting Engineering

An artificial intelligence named Libratus beats up four of the world's best professional poker players in the Brains vs AI Competition.

Libratus is an artificial intelligence poker player, a game that requires bluffing and correctly interpreting misleading information to win. The collaboration of the School of Computer Science of Carnegie Mellon University and Rivers Casino in Pittsburgh, Brains vs. AI features the battle of the artificial intelligence and humankind on one of the trickiest games of the world. Libratus has already collected $800,000 cash on the table.

Brains vs. AI

Considered as four of the best poker professionals in the world, Dong Kim, Jimmy Chou, Daniel McAulay, and Jason Les plays 120,000 hands of Heads-Up, No-Limit Texas Hold'em poker against Libratus. All specialized in two-player, unlimited bid form of Texas Hold'em, they fight over shares of a $200,000 prize purse.

Although humankind is fighting for its pride, researchers hope their software establish a new benchmark for AI by beating some of the world's most talented players. Developed by Computer Science Professor Tuomas Sandholm and his Ph.D. student, Noam Brown; Libratus is smart enough to set military strategy, negotiate business deals, or plan a course of medical treatment, which all involve complex decisions based on imperfect information. Sandholm says;

"The algorithms are performing great. They're better at solving strategy ahead of time, better at driving strategy during play and better at improving strategy on the fly."

Libratus can learn from mistakes

According to Chou, they shared tips and notes every day since the competition started on the 11th June to find weaknesses. He says that whenever they found a weakness, Libratus learned from its mistakes and the weakness disappeared the following day. But this change is an expected result of an ongoing work of the Bridges, the computer of the Pittsburgh Supercomputing Center, that performs new computations to sharpen the AI's strategy each night after the games end.

"Libratus uses algorithms to analyze the rules of poker and sets its own strategy, based on approximately 15 million core hours of computation at the Pittsburgh Supercomputing Center. It will continuously sharpen its strategy during the Brains vs. AI competition, performing computations with the PSC’s Bridges computer each night while the pros get some shuteye."

During games, Bridges perform live computations to support Libratus, but the algorithms created are also truly useful for the medicine, business negotiation, auctions, cyber security, and moreover. Well, Libratus is already a bling-bling computer with a revenue of $794,392.

But Libratus is not the first attempt of Carnegie Mellon. In 2015, Sandholm and his team have come out with another artificial intelligence named Claudico which was designed to play no limit Texas hold 'em heads-up as well.

Well, games begin at 11 a.m. each day and end at 8 p.m. until the 30th of January. And as well as you can watch the games online from Twitch, the ones who wants to watch the competition could just drop into Rivers' Poker Room.

[Featured Image Source: Carnegie Mellon University]

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