This is a step beyond a computer program that can beat top human players, as IBM’s chess-playing computer Deep Blue famously did in 1997 against Garry Kasparov, at the time the game’s world champion. The poker program devised by computer scientist Michael Bowling and his colleagues at the University of Alberta in Edmonton, Canada, along with Finnish software developer Oskari Tammelin, plays perfectly, to all intents and purposes.
That means that this particular variant of poker, called heads-up limit hold’em (HULHE), can be considered solved. The algorithm is described in a paper in Science.
The strategy the authors have computed is so close to perfect “as to render pointless further work on this game”, says Eric Jackson, a computer-poker researcher based in Menlo Park, California.
“I think that it will come as a surprise to experts that a game this big has been solved this soon,” Jackson adds.
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