A player places a black stone while his opponent waits to place a white one as they play Go, a game of strategy, in the Seattle Go Center, Tuesday, April 30, 2002.
(AP Photo/Cheryl Hatch/Thinkstock)
Computer beats human at Go
February 02, 2016
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A computer program has beaten a human champion at the ancient Chinese board game Go. It marked a significant advance for development of artificial intelligence.
The program had taught itself how to win. Its developers say its learning strategy may someday let computers help solve real-world problems. Those could include making medical diagnoses and pursuing scientific research.
The program and its victory are described in a paper released by the journal Nature.
Computers previously have surpassed humans for other games. Those include chess, checkers and backgammon. But among classic games, Go has long been viewed as the most challenging for artificial intelligence to master.
Go originated in China more than 2,500 years ago. The game involves two players who take turns putting markers on a checkerboard-like grid. The object is to surround more area on the board with the markers than one's opponent. Players capture the opponent's pieces by surrounding them.
The rules are simple. But playing it is not. It's "probably the most complex game ever devised by humans," Dennis Hassabis of Google DeepMind in London, one of the study authors, told reporters.
The new program is called AlphaGo. It beat the European champion in all five games of a match in October, the Nature paper reports.
In March, AlphaGo will face legendary player Lee Sedol in Seoul, South Korea, for a $1 million prize, Hassabis said.
Martin Mueller is a computing science professor at the University of Alberta in Canada that has worked on Go programs for 30 years. He didn't participate in AlphaGo. He said the new program "is really a big step up from everything else we've seen. It's a very, very impressive piece of work."
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CRITICAL THINKING QUESTION
What was key to the computer's success?
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