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Subject: Re: Chess Tiger 14.9 on Palm Vx - Yace on 486dx-50 5.5-6.5

Author: Ulrich Tuerke

Date: 09:10:11 05/02/02

Go up one level in this thread


On May 02, 2002 at 11:46:29, Peter Berger wrote:

>On May 02, 2002 at 11:40:33, Ulrich Tuerke wrote:
>
>>On May 02, 2002 at 11:10:20, Peter Berger wrote:
>>
>>>On May 02, 2002 at 05:22:08, Jorge Pichard wrote:
>>>
>>>>On May 02, 2002 at 00:57:02, Christophe Theron wrote:
>>>>
>>>>>On May 01, 2002 at 19:01:07, Peter Berger wrote:
>>>>>
>>>>>>The games were played with 30 minutes sudden death (blitz) time control; match
>>>>>>was scheduled for 12 games.
>>>>>>
>>>>>>Yace used 2.5 MB for hashtables, no tablebases and a little opening book. The
>>>>>>Palm Vx has been overclocked with AfterBurner - Tiger's displays Speed index of
>>>>>>1.10 for this device.
>>>>>>
>>>>>>The hardware advantage for Yace in this match should have been somewhere around
>>>>>>factor 4-6.
>>>>>
>>>>>
>>>>>
>>>>>Thanks for playing the games!
>>>>>
>>>>>Any idea of the rating of Yace on this computer?
>>>>>
>>>>>
>>>>>
>>>>>    Christophe
>>>>
>>>>
>>>>It would be better to test CT 14.9 vs Chessmaster 4000 or Genius 1 which have
>>>>ratings of 2192 and 2184 after you drop 100 points from the SSDF rating List of
>>>>1997.
>>>>
>>>Why is that??
>>
>>Hi Peter,
>>that's because at some point in the last years, SSDF had decided to re-gauge
>>their list. They had the feelings that their ELO overestimated the programs.
>>So, they - more or less arbitrarily - decided to subtract 100 from all their
>>ratings. This means for older SSDF lists, you have to subtract 100 in order to
>>compare to the newer values.
>>
>>Uli
>>
>
>Yes, I know about the calibrations of the SSDF list (which produce too low
>values for the programs on the older hardware IMHO) . My question was why it
>should be better to play matches against Chessmaster4000 or Genius 1 instead of
>Comet and Yace,

That's probably because we have a SSDF-rating for these. So Jorge probably
thinks, it's possible to derive a more reliable rating for Palm-Tiger if he
plays these two.
Nevertheless, I appreciate testing some amteurs here.

BTW how did the Comet match complete ?

Uli

>the doubled question marks because I could think of none ;). I
>don't want to produce an SSDF list myself ( which also would make no sense as
>Chess Tiger 14.9 is already being tested by them).
>
>Peter



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