If you're talking about Libratus (the CMU AI that beat poker pros in heads up no limit), then that's not true I believe. During the competition, Libratus used

If you're talking about Libratus (the CMU AI that beat poker pros in heads up no limit), then that's not true I believe. During the competition, Libratus used 4 million core hours on the Bridges supercomputer for analyzing it's prior gameplay and changing strategy. > During the tournament, Libratus was competing against the players during the days. Overnight it was perfecting its strategy on its own by analysing the prior gameplay and results of the day, particularly its losses. Therefore, it was able to continuously straighten out the imperfections that the human team had discovered in their extensive analysis, resulting in a permanent arms race between the humans and Libratus. From https://en.wikipedia.org/wiki/Libratus https://en.wikipedia.org/wiki/Libratus