Lee Se-Dol Retires from Go Due to AI That “Cannot Be Defeated”

I’m old enough to remember when people used to hold Go out as an example of a game that would be impossible for a computer to exceed human players. Not so much anymore.

A master player of the Chinese strategy game Go has decided to retire, due to the rise of artificial intelligence that “cannot be defeated”.

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The South Korean said he had decided to retire after realising: “I’m not at the top even if I become the number one.”

“There is an entity that cannot be defeated,” the 18-time world Go champion told South Korea’s Yonhap news agency.