.@ericjang11 explains the fundamental intuition behind AlphaGo: experienced Go players almost always end games early. That means they have the ability to glance at a board and instantly know whether it's hopeless or if they should keep playing. Without this ability, the only way to know if a move is good is to play out every possible game from that point - completely intractable. But the ability is clearly trainable in humans. So it should be possible to get a neural net to learn it. And if…