Poker Libratus
The blueprints for Libratus – the poker AI bot that crushed professional players in a Texas hold ’em tournament earlier this year – were published on Monday in a research paper. The software's victory over humans sparked a lot of headlines as it demonstrated a computer mastering an imperfect information game. This talk gives a high-level explanation of Libratus, the first AI to defeat top humans in no-limit poker. A paper on the AI was published in Science in 2017. Libratus is an artificial intelligence computer program designed to play poker, specifically heads up no-limit Texas hold 'em. Libratus' creators intend for it to be generalisable to other, non-Poker-specific applications. It was developed at Carnegie Mellon University, Pittsburgh. In card abstraction, similar poker hands are bucketed to- gether and treated identically. Libratus does not use any card abstraction on the first (preflop) and second (flop) betting rounds. The last two betting rounds, which are exponentially larger, are more coarsely abstracted. Libratus derives its name from Latin and translates roughly to the word “balance,” which in poker is the noblest aspiration and the framework for every consideration. The AI’s display of.
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Carnegie Mellon University’s Libratus, an artificial intelligence computer program designed to play poker, started the year by proving it could beat four human poker pros. Now, a pair of university researchers behind the program are ending the year by telling the world exactly how the AI program managed to do it.Libratus beat pros Jason Les, Dong Kim, Daniel McCauley and Jimmy Chou in a 20-day competition held in January at Rivers Casino in Pittsburgh, Pennsylvania. In fact, it beat each of the players at heads-up no-limit hold’em. Over 120,000 total hands, Libratus managed to end the sessions up more than $1.8 million in chips.
This week, Carnegie Mellon’s professor of computer science Tuomas Sandholm and Ph.D. student Noam Brown published an article in the research journal Science,detailing how it managed to do all that.
According to the article, Libratus was programmed to use a three-pronged approach to the game of poker. Plus, it included more decision points than there are atoms in the universe.
Libratus adjusted on the fly
Poker involves bluffing. So, the researchers said the program was designed to recognize and understand the tactic. It really went deeper than just taking a simple black and white approach to the game.
Sandholm and Brown claim Libratus was able to break poker down into computationally manageable parts. That way it could fix weaknesses in its strategy based on its opponents’ play. Essentially, Libratus did what every good poker player has done for decades: It adjusted to the strategies employed by its opponents on the fly.
Libratus’ three-pronged approach to the game included:
- Creating an abstract version of the game which was easier to solve
- Creating a more detailed plan-of-action based on how the game was playing out
- Improving on that plan in real time by detecting mistakes in its opponent’s strategy and exploiting them
Simply put, Libratus began with a basic strategy designed by looking at a simplified version of the game. That strategy became more complex as it learned how its opponents were playing. Finally, it adjusted the strategy even further to exploit weakness shown by its opponents.
If an opponent were to switch to a different strategy, Libratus also avoided opening itself up to exploitation by detecting potential holes in its own game.
Should bet sizing change, Libratus would add the missing decision branches and compute strategies for them. Then it would add those strategies to its plan going forward.
Libratus demoralizes opponents
After losing in January, Les described playing Libratus as a slightly demoralizing experience:
“Libratus turned out to be way better than we imagined. It’s slightly demoralizing. If you play a human and lose, you can stop, take a break. Here we have to show up to take a beating every day for 11 hours a day. It’s a real different emotional experience when you’re not used to losing that often.”
There may even be further reaching implications of Libratus’ success. Several bot rings employing AI have been discovered on online poker sites, including PokerStars. The success of Libratus could lead to an increase in the prevalence of bots online. However, this specific technology has yet to be tested in full-ring games.
The future of AI
In the end, they built an artificial intelligence computer program that can beat the pros at poker. However, Sandholm and Brown say they are hoping the AI can ultimately do a lot more:
“The techniques that we developed are largely domain independent and can thus be applied to other strategic imperfect-information interactions, including non-recreational applications. Due to the ubiquity of hidden information in real-world strategic interactions, we believe the paradigm introduced in Libratus will be critical to the future growth and widespread application of AI.”
The technology behind Libratus has now been licensed to Sandholm’s company Strategic Machine. The company aims to apply strategic reasoning technologies to many different applications.
Sending Humans Down the Drain was Libratus, AI Poker Bot Champ
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Libratus the best poker bot, an AI Computer Recently Busted out Online Poker Pro Human Players Heads up and Winning in Poker Tournament Action One on One
Libratus Computer Best Poker Bot Wins Poker Tournament Beating Pro Online Players showing the need to own the Best Poker Hud Software Available. Photo Copyright: 123rf.com/profile>ocusfocus
Poker Tournament won by AI Super Computer Poker Bot Libratus. Are Humans Headed to the Toilet and getting flushed away when it comes to Advancement vs Machines? Feelings Will be hurt yet again in human kinds battle against the virtual minds of computers in yet another sport to fall.
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Libratus the Super Computer that wins Poker Tournaments
They even gave the Poker money stealing machine a name!
Its called Libratus. Is that name because it takes your money freely from you in removing your poker chips and cash from you easily? Yup It appears so….Libratus from its roots in Latin means to free, and in this case free us of our money.
What does this mean for poker when a super computer wins poker tournaments vs humans? Are we going to have to worry about bots in the future playing us online to take all our money in cash games?
How will we protect our online play against these super computer machines and bot technology once it becomes available mainstream?
Well for now I do not think we have to worry, although the way tech jumps forward in leaps and bounds you just do not know how long we will be safe from these super computer bots.
The Good News is that this ai best poker bot super computer was only able to win in heads up poker, and for now if your worried or may feel the need to be worried in the future, just avoid heads up poker as much as you can.
A Suggestion: You could stop playing heads up poker tournament games and forget all about ai super computer poker playing money stealing bots. 🙂 Just play tournaments, cash games and sit n goes. I never did like heads up poker myself anyway.
How did AI super computer win the poker tournaments Against Pro Online Poker Players?
- It used adaptation and changed its strategy as it went along
- Libratus analyzed the poker players individual styles
- It uses 28 Cores on 600 nodes
- It fixes its own holes in its strategy when players find them
Who did the Best Poker Bot Libratus win the poker tournaments against?
Poker Players sent to the rail by AI Computer Poker Bot were:
- 4 Players including these two in the video
- Don Kim Playing Professionally for 8 years
- Jason Les Playing poker for approx 13 years
- Also playing were McAulay and Chou
- Previously both Les and Kim had played and beaten another AI called Claudico a few years back so they have credibility
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What did the Professional Online Human Poker Players do in the Poker Tournament Heads up against Libratus?
- Played 30,000 hands over 200 hours in 20 days in a row
- Tried a 3 bet strategy when they thought they found a hole in the bots play but it failed to work
- Tried reraising every bet
- Played exhaustively until finally admitting defeat decisively on the side of the ai super computer in the heads up poker tournament
- Libratus won by more than 1.56 million virtual chips
Did Pro Poker Players waste time and get it all wrong against the Computer Poker Pro Libratus?
They Played the Poker Tournament at Pittsburgh’s Rivers Casino for the showdown and although they tried different strategy, perhaps they wasted opportunities with these betting strategies.
Maybe these poker player professionals should have done something different every hand like the best poker bot known as Libratus was doing. Mixing up play continuously instead of pounding on perceived weak holes. Who knows. Perhaps that all they could do out of frustration with the ai super computer beating them down continuously.
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Humans Vs. Super Computers playing Poker Tournaments now decided with Win by Libratus.
Libratus Poker Hand History
Where do we go from here?
For one thing it proves that if you play online you better have a Poker hud software program of some kind or you are at a big disadvantage.
Why do you need a Good Poker HUD? (Heads up Display)
Because these tournament poker players playing against Libratus were adaptive and winning online poker players and always used huds to win online themselves against other players.
They noticed a big hole in their abilities when they did not have a hud against Libratus to help guide them like they were used to using against other human players.
Yet Libratus is one giant poker player HUD in of itself. It analyzed its own play and found its own holes as well as collecting stats and information on the human Poker players it played against.
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Therefore Poker Huds offer an unfair advantage to those that have and use them vs. those that do not. If you play poker online you may have one already. If you don’t, get one now or don’t start crying once people sit down at your table to exploit your stats and playing style against you AND bleeding you dry.
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Just play Live or Free Rolls Online Instead because you are at a big disadvantage. Especially so in the shark filled waters of sites like Poker Stars. Get Poker Tracker 4 and start using it to win, then add on to it for your niche, like sit n goes, tournaments, cash games… Do it seriously.
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Although we may be okay in online poker vs machines for now if you are however getting the least bit nervous about Libratus and Poker Bots like it, and do not want to invest the small amount required for a HUD, then Switch to Live Poker Tournaments. Find the Best here at the WSOP and the WPT or play at your local casino. Or again like mentioned before, if serious about Online Poker get a HUD!
Pokerhands recommends if you don’t listen to any thing else we say on the site at least listen to this. Remember that the next time you wonder why you are getting raised and bet off of hands, losing hands on turn and river cards, and not getting max value from your monster hands, its probably because your opponent is like Libratus and knows all about your play from a PokerTracker Best Poker Hud. Don’t you think you should know about theirs also?
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