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DeepStack: Expert-Level Artificial Intelligence in Heads-Up No-Limit Poker
Monday Oct 7 2019 22:30 GMT
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DeepStack: Expert-Level Artificial Intelligence in Heads-Up No-Limit Poker
Why This Is Interesting

Artificial intelligence has seen several breakthroughs in recent years, with games often serving as milestones. A common feature of these games is that players have perfect information. Poker is the quintessential game of imperfect information, and a longstanding challenge problem in artificial intelligence. We introduce DeepStack, an algorithm for imperfect information settings. It combines recursive reasoning to handle information asymmetry, decomposition to focus computation on the relevant decision, and a form of intuition that is automatically learned from self-play using deep learning. In a study involving 44,000 hands of poker, DeepStack defeated with statistical significance professional poker players in heads-up no-limit Texas hold’em. The approach is theoretically sound and is shown to produce more difficult to exploit strategies than prior approaches.

Time of Recording: Monday Oct 7 2019 22:30 GMT