Author: Tom Likens
Date: 10:33:12 06/17/04
Go up one level in this thread
On June 17, 2004 at 13:17:04, Tord Romstad wrote:
>On June 16, 2004 at 15:43:29, Tom Likens wrote:
>
>>Another option, which I don't currently use, is to blend (i.e. interpolate) the
>>final
>>score from the middlegame evaluation and the endgame evaluation. I believe
>>Phanlanx, Gothmog and perhaps Fruit all use this technique so you might
>>inquire from them how they apply it.
>
>I can confirm that Gothmog uses this technique. It is applied in almost
>exactly the same way as in Fruit. I use the total non-pawn material
>on the board as the input to a linear interpolation.
>
>There are also some middlegame evaluation components which are scaled with
>respect to material, independently of the blending between middlegame and
>endgame. For instance, the king safety component of the middlegame eval
>is scaled by the opponent's non-pawn material.
>
>Tord
Hey Tord,
Not to open up a whole can of worms here, but do you scale black and white
independently?
--tom
P.S. I'm not even gonna ask if you perform a single interpolation or
multiple interpolations ;-)
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