Yes, correct status evaluation is very important for positional judgement. And humans don't forget the status of a group after reading it out, because homoiostatis is an important heuristic. There aren't that many statusses to remember in a game and they don't change that often, so it fits easily in our short term memory. And stronger players tend to leave situations alone as soon as the status is clear, keeping forcing moves in reserve for ko threats or keeping forcing options in reserve for tactical leverage in the adjacent areas or strategic leverage elsewhere on the board. On the other hand, I think MC programs tend to play in a very flexible way that seems to avoid hinging the outcome of the game on the status of a particular stone, while many humans tend to overly protect unimportant stones to maintain homoiostasis. So in a way, either style may fit its strengths and weaknesses to some degree. Dave
________________________________ Van: [email protected] namens terry mcintyre Verzonden: vr 3-12-2010 20:39 Aan: [email protected] Onderwerp: Re: [Computer-go] Tactical misevaluations in Fuego MCTS Human beings generalize to n-liberties with something like this: Whenever the liberty count of a connected group of stones is reduced, re-evaluate its life-and-death status. If the status switches from live to depends-on-your-move, defend it. If your move inadvertently changed the status, don't do that. All of that is, of course, countered if there is a good reason to let your group die - for example, nakade situations and sacrifices. Terry McIntyre <[email protected]> Unix/Linux Systems Administration Taking time to do it right saves having to do it twice.
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