This is something that I have been wondering about. It seems to me that
since UCT is exploring moves by choosing the move with the most
optimistic score (estimate plus confidence bound) that it would be very
natural to play the move with the highest conservative score (estimate
minus confidence bound) but I don't believe I've seen this mentioned
much if at all. Has anyone tried this and does it help or hurt any?
I suppose the highest conservative score may very well be the most
visited move most of the time, if not always, so maybe it doesn't
actually make any difference?
Janzert
A few days ago I found a discussion of these things in this very
mailing list. This is one of the most relevant posts, but you should
look around that whole thread:
http://computer-go.org/pipermail/computer-go/2006-October/006889.html
I think trying to continue the search until the best move and the most
explored move are the same is the most reasonable option.
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