Research Article

Superhuman AI for multiplayer poker

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Science  30 Aug 2019:
Vol. 365, Issue 6456, pp. 885-890
DOI: 10.1126/science.aay2400

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AI now masters six-player poker

Computer programs have shown superiority over humans in two-player games such as chess, Go, and heads-up, no-limit Texas hold'em poker. However, poker games usually include six players—a much trickier challenge for artificial intelligence than the two-player variant. Brown and Sandholm developed a program, dubbed Pluribus, that learned how to play six-player no-limit Texas hold'em by playing against five copies of itself (see the Perspective by Blair and Saffidine). When pitted against five elite professional poker players, or with five copies of Pluribus playing against one professional, the computer performed significantly better than humans over the course of 10,000 hands of poker.

Science, this issue p. 885; see also p. 864

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