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Subject: Re: Short chess programs

Author: David Hanley

Date: 12:39:46 09/19/02

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On September 19, 2002 at 14:17:16, Uri Blass wrote:


>Is it shorter than tscp?
>

I had to download TSCP and look it over.  It's pretty compact.

It's actually a *little* shorter. It has fewer comments but longer
function/variable names and more of 'em.  It's written in lisp vs C, and my
source is all in one file, so it's hard to compare exactly.  TSCP has a more
eval going on, but i have hash tables, separate pawn hash, history, nullmove,
killers, lazy evaluation, static exchange eval in the move orderer and quiesce,
etc, OTOH, i'm only getting about 10K NPS, but there's a lot i can do to speed
it up--i do considerable allocation during search--but i want to get it on FICS
and tweak the eval and search before i worry about that.

>Does it play better than tscp?

I downloaded tscp, and i think they play about the same..  But i could be way
off.  TSCP is a good deal faster, but seems to cover a lot more nodes to get to
the same depth.  I'd have to play them head to head to get a good idea of the
relative strength...

dave



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