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Subject: Re: impressed by Phalanx

Author: Djordje Vidanovic

Date: 02:22:39 03/22/01

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On March 21, 2001 at 18:32:20, Tim Foden wrote:

>On March 21, 2001 at 16:59:27, Dann Corbit wrote:
>
>>I have always been very impressed with Phalanx.
>>
>>For the same search depth, Phalanx will solve many problems that no other engine
>>will solve at the same depth.  That indicates to me that the search extensions
>>involved are very smart.
>>
>>Also, Phalanx will find solutions to problems that other engines simply will not
>>find.  I think this is mostly related to king safety, but I am not sure.
>>
>>Phalanx is the little engine that could.
>>;-)
>>
>>Lower NPS (factor of 2 to factor of 4), lower search depths (always 1 or 2 ply
>>behind), and yet he can play with the big boys and give them all that they can
>>handle.  Pretty amazing, really.
>
>I have to agree.  Phalanx is very impressive.
>
>I have been studying Phalanx's static evaluation function, and it does a lot of
>clever things.  I think one of the ones that helps with tactical stuff is that
>it calculates all the pins, hung pieces, and attacked and defended squares.  It
>then goes on to use this info in relevant places.
>
>I've been trying to figure out how I could do some of this stuff using bitboards
>in GLC... but I'm still trying to figure it out... Imagine if you could use the
>eval func of Phalanx in a fast searcher :-))
>
>Cheers, Tim.


Just like Alfred below, I am too impressed with GLC.  About implementing a
Phalanx-like eval in a fast searcher:  I believe that Christophe Theron has
already done a good deal in that respect :-)(just go through Gambtit's games...)

***  Djordje






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