Finally, human wins Go match against AI AlphaGo program

SEOUL, South Korea — A champion Go player scored his first win over a Go-playing computer program on Sunday after losing three straight times in the ancient Chinese board game, saying he finally found weaknesses in the software.

Lee Sedol's victory over AlphaGo is a reminder that Google's Go-playing program has room for improvement despite winning the first three matches in the best-of-five series and the $1 million prize, which will be donated to charity. The program — the first computer system to defeat a top Go player — was developed by Google DeepMind two years ago.

"This one win is so valuable and I will not trade this for anything in the world," Lee, one of the best Go players in the world, said at a post-match news conference in Seoul. Read more...