Re: Shallow Or Deep Search?

[David Fotland <fotland@xxxxxxxxxxxxx>]

For tactics I go deep.  But the evaluation is very simple: just
count liberties, 2nd order liberties, enemy nbrs with 1 or 2 liberties.
I guess most tactics reading has at least one line of 20 ply or more
deep.

On full board, in quiet positions I only look one ply.  In busy positions
I look as deep as needed to find quiet positions (up to about 9 ply).  I
only do about 100 evaluations, so the deep searches are very narrow.

David

At 05:14 PM 4/22/98 +0200, Robert Jasiek wrote:
>[Let's get rid of the recent silence and boring ping question marks!]
>
>In heuristic tree search based on a static evaluation function
>that is rather good it is sometimes best not too search at all
>but to apply the evaluation function only.
>
>I guess, you have made some experiences when to use shallow
>or deep search, why, and how deep. Which is best in which cases?
>I am eager to listen to your experience and learn from your advice!
>
>-- 
>robert jasiek
>http://www.snafu.de/~jasiek/
>
>
>