Author: Christophe Theron
Date: 00:02:17 11/19/99
Go up one level in this thread
On November 19, 1999 at 02:29:11, Dave Gomboc wrote:
>On November 18, 1999 at 18:35:02, Thorsten Czub wrote:
>
>>What i wanted to say is:
>>
>>We have programs like
>>
>>Mchess
>>Hiarcs
>>CSTal
>>Tiger.
>>
>>They all evaluate positions in a big range of scores.
>>Higher positional or speculative scores than other programs.
>>
>>But -
>>Most often when you see Mchess/Hiarcs/Cstal evaluate the positions
>>and also from iteration to iteration and often within an interation
>>you see the score jump and fail-high, fail-low, changes etc.
>>
>>Tiger is different.
>>It has the same high range to evaluate, but from first second of computation
>>to the play out the move the jumps and the score is not changing much.
>>
>>the score increases or decreases very close to the end-result.
>>it gets a fail-high or a fail-low or whatever window, and the next
>>big main-line is only 1/100 of a pawn better or weaker.
>>it all goes more smooth. more like a wave, not like a quantum leap.
>>not jumping but flowing like a river.
>>
>>anmon has this kind of evaluation too, but still different to tiger.
>
>So the question to Christophe is: "are you using an mtd() technique?"
>
>Dave
No, I don't. I just have an improved NegaScout.
Christophe
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