20/05/2023
In the past, that's been a stumbling block. Libratus was involved in a poker tournament in 2015 and couldn't beat the humans, with the match ending in a statistical tie. However, the souped-up version of Libratus used in the recent tournament has a better end-game solving strategy, Sandholm said.
The tournament
For the "Brains vs. Artificial Intelligence" tournament, four of the world's best poker players faced off one-on-one against Libratus in 120,000 hands of poker. At stake was a $200,000 pot, which the human players received even if they lost.
"They are professionals, so they were fighting to the bitter end, really hard," Sandholm said. "They were studying really hard every night on their computers, trying to find holes in the AI."
In the end, it was no contest: The AI prevailed.