I don't know about different stages of the game. Intuitively, a certain
area is in different stages of being settled. Certain joseki only leave
2 points up for grabs in the endgame, while other areas might stay
unsettled (ko for life) for 150 moves.
On 2016-06-22 22:50, Stefan Kaitschick
Has anyone ever tried to build a value network that is trained on finished
positions?
I admit that would be less awesome than what AlphaGo's value network has
achieved.
But reducing the task to status and scoring might help in endgame play.
Generalizing this, there could be several value networks,