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A world champion has because he has humans cannot beat computers at his game. The grand champion is Lee Se-Dol from South Korea. He world champion at the ancient, strategy board game Go. Some people Go to chess. Mr Lee is the only person in the world to ever Google's AlphaGo computer algorithm. This is a special A.I. computer program by Google to play Go. Mr Lee, an 18-time world champion, reporters earlier this week that: "Even if I become the number one, there is an entity that cannot defeated. With the debut of A.I. in Go games, I've that I'm not at the top even if I the number one."

The game of Go in China around 3,000 years ago. Today, it is mostly in China, Japan and South Korea. It is believed to the oldest board game in the world. In 2016, the International Go Federation said it 75 member nations, and that over 46 million people worldwide how to play Go. Mr Lee playing at the age of five. He turned professional seven years later, when he 12. He played five games against Google's AlphaGo and four of them. He said his one victory was because of a "bug" in the program. The bug did not know what to do when Mr Lee a "tricky" move. Today's Go programs are much more powerful than the one that Mr Lee.

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