>For instance the computer may ignore a capture to play elsewhere and it can be hard to work out why.
I think the biggest insight I had about Go when I was learning to play it is that the game commences on the entire board at once. At the beginning I was over-concentrating on a single "active" region. In reality, abandoning some "battle" and adding stones to an "unrelated" region is a perfectly sensible strategy as long as you think it will give you territory in the long run.
Something that Michael Redmond 9P said a few times during the AlphaGo match was about how there comes a point in any sequence where the next move is of dramatically lower value than the previous.
I think the biggest insight I had about Go when I was learning to play it is that the game commences on the entire board at once. At the beginning I was over-concentrating on a single "active" region. In reality, abandoning some "battle" and adding stones to an "unrelated" region is a perfectly sensible strategy as long as you think it will give you territory in the long run.