Pluribus: First AI to beat pros in 6-player poker

https://ai.facebook.com/blog/pluribus-first-ai-to-beat-pros-in-6-player-poker/

Blueprint by improved Monte Carlo CFR in 8 days on a 64-core server, under 512 GB RAM, no GPUs, under $150; play on two CPUs and under 128 GB; 1-33 s per decision (about 20 s per hand); about 5 bb/100 over 10,000 hands; leaf nodes choose among four continuation strategies.

Regret minimization and search for imperfect-information games