Here's the paper about Libratus (mentioned in the article). In January 2017 Libratus beat a team of four top-10 heads- up no-limit specialist professionals in

Here's the paper about Libratus (mentioned in the article). In January 2017 Libratus beat a team of four top-10 heads- up no-limit specialist professionals in a 120,000-hand Brains vs. AI challenge match over 20 days. (PDF) https://www.cs.cmu.edu/~noamb/papers/17-IJCAI-Libratus.pdf https://www.cs.cmu.edu/~noamb/papers/17-IJCAI-Libratus.pdf