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Subject: Re: Why is HIARCS X so good at Blitz & Standard Chess?

Author: Mike S.

Date: 15:16:21 01/08/04

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On January 08, 2004 at 17:16:17, Bob Durrett wrote:

>HIARCS X plays as “sinferno” at ICC on an AMD Athlon XP 2400+ @ 2.5GHz computer.
>It holds the "official" ICC Blitz Record at 3604 and has the fewest losses and
>better overall records versus strong titled players than any other computer on
>ICC.  It has only lost five games to two titled players but has played a large
>number of GMs, IMs and FMs.  It is currently the top engine at ICC using
>Standard time limits.
>
>Why is that?  Why is it better than all the other chess engines no matter what
>the hardware?  Is SSDF missing something here?  Is there a disconnect here?

In can only say that Hiarcs 9 has a tremendous tactical strength within short
thinking times. I'm testing this at 1 minute (max.) per position at Athlon1200
MHz, and Hiarcs 9 is currently leading ahead of King 3.23, Fritz 7 NoMMX, Nimzo
8 etc.

http://members.aon.at/computerschach/quick/quickxls.zip

The tactical speed and strength, IOW deep search and effective extensions, is
certainly the most decisive factor when chess programs win against strong humans
in blitz (and most probably in shorter standard times too). Of course, ALL top
engines - and even less top engines - are very good at this compared to humans,
but IMO Hiarcs 9 may have "the edge" in that particular component of the total
strength, currently. It is also visible in engine competition, where the
tendency is IMO, that Hiarcs 9 ranks better the shorter the thinking times are.

I didn't test all the new top engines though. I saw the "inofficial" ICC blitz
record is currently held by an account running Chess Tiger 15 (on a computer
slightly faster than sinferno's). I think Tiger 15 is also relatively better on
shorter times, as a general impression from various rating lists I have in mind.

Regards,
M.Scheidl



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