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Technology

Quantum poker: Are the chips down or not?

By Paul Parsons

13 May 2009

Âé¶¹´«Ã½. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

(Image: Andrew Drysdale / Rex)

YOU slump in your chair and smile as your on-screen bankroll notches up another $1000 first prize. Knocking back the last of your coffee, you check your watch. It’s 3 am. You’ve been playing these tournaments since lunchtime. One more, you tell yourself, and then bed. After all, it’s worth it: this is the game that has made you rich. Well, that’s not quite true. You’re rich all right – but your talents at online poker are only part of the story. You glance down at the quantum processor buzzing softly under your desk as the virtual cards hit the felt once more.

According to one US academic, this fictional scenario will not remain fantasy forever. , is figuring out what will happen to the game of online poker when today’s computers are eventually superseded by the quantum computing technology of tomorrow.

“The strategies you find in classical poker textbooks work just fine for online games right now,” he says. “But when your ‘Quantum iMac’ arrives you can just take all those poker textbooks and throw them in the dumpster.”

“When your ‘Quantum iMac’ arrives you can just take all your poker textbooks and throw them in the dumpster”

Bleiler’s calculations suggest that when the game of poker is played by the rules of the quantum world, it undergoes a radical transformation. New strategies open up that simply didn’t exist before and any gamers ready to exploit them stand to make a tidy profit – at the expense of those who are not. Players with quantum computers but with no access to “quantised…

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