Geoff Hinton at http://www.macleans.ca/society/science/the-meaning-of-alphago-the-ai-program-that-beat-a-go-champ/ http://www.macleans.ca/society/science/the-me

Geoff Hinton at http://www.macleans.ca/society/science/the-meaning-of-alphago-the-ai-program-that-beat-a-go-champ/ http://www.macleans.ca/society/science/the-meaning-of-alphag... said "I wouldn’t be surprised if it was using hundreds of kilowatts", in the same range as the other estimate I mentioned above (a couple hundred). I don't know either.