Ke Jie aimed to beat AlphaGo with its own unusual style of play. But the ploy didn’t quite work as the 19-year-old grandmaster planned. After a four hours and fifteen minutes of play, Ke Jie resigned, and AlphaGo grabbed a ...

The final game proved to be a close one, with both sides fighting hard and going deep into overtime. AlphaGo is an AI developed by Google-owned British company DeepMind, and had already wrapped up a historic victory on Saturday by ...