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Subject: Re: SSDF Rating List 2003-10-17

Author: Uri Blass

Date: 08:15:19 10/18/03

Go up one level in this thread


On October 18, 2003 at 11:10:33, Drexel,Michael wrote:

>On October 18, 2003 at 02:54:37, Thoralf Karlsson wrote:
>
>> 2 Junior 8.0  256MB Athlon 1200 MHz, 2784
>>DpFrit7 A1200     24-16    Fritz 8 A1200   47.5-26.5  Hiarcs9 A1200     17-11
>>Shred6P A1200   25.5-16.5  Junior7 A1200   23.5-16.5  Ruffian A1200   21.5-18.5
>>Shre532 A1200      9-5     Gandal5 A1200   25.5-14.5  Shred5 K6-450     36-10
>>Frit532 K6450   42.5-9.5   Nimz732 K6450   48.5-13.5  Hiar732 K6450     31-9
>>Goliath K6450      8-1     Craf17.07 K62   13.5-4.5
>>
>> 6 Deep Junior 8.0  256MB Athlon 1200 MHz, 2748
>>Shr7.04 A1200     22-28    Fritz 7 A1200      9-11    CT 15.0 A1200   23.5-16.5
>>Hiarcs8 A1200   23.5-20.5  CT15.0 K6450    26.5-15.5  DpFritz7 K6-2     26-16
>>Fritz6 K6-450     33-11    Junior6 K6450   33.5-14.5  Nimzo 8 K6450      8-5
>>SOS  K6-2 450     39-6     Goliath K6450   33.5-10.5
>>
>> 7 Hiarcs 9.0  256MB Athlon 1200 MHz, 2746
>>Shr7.04 A1200      7-8     Junior8 A1200     11-17    Fritz 8 A1200    5.5-8.5
>>Shredd7 K6450      9-5     Junior7 K6450     13-6     Fritz6 K6-450    8.5-4.5
>>Junior6 K6450   31.5-14.5  Shred5 K6-450     34-12    Hiar732 K6450     12-2
>>
>
>I do not see the point of testing a Deep version and a single version of a
>program on a single processor.
>IMO this is just a waste of time.
>You could have tested a strong amateur engine instead.
>Aristarch,List,Little Goliath or CLC for example.

I agree that there is no reason to test both Deep version and single version
when they are the same engine.


>
>>There are three new entrants in this edition of
>>the SSDF rating list. Fortunately enough all three
>>have received clearly higher ratings than their
>>predecessors!
>>
>>The first program which we have tested is Amir Bans
>>and Shay Bushinskys Deep Junior 8.0 on a single
>>Athlon 1200 MHz. After 432 tournament games
>>against other programs, it has now a SSDF-rating of
>>2748. That is 49 points above it's predecessor
>>Junior 7.0, which appeared somewhat more than two years
>>ago.
>>
>>As perhaps can be understood from it's name, Deep Junior 8.0
>>is primarily intended for PCs with several processors. When
>>used on a single processor, the search is said to be slowed
>>down about 5% compared to Junior 8.0, which we also have
>>tested. After 545 games Junior 8.0 Athlon 1200 MHz now
>>has a rating of 2784, 85 points more than Junior 7.0!
>>
>>The present rating difference between the single and
>>multiprocessor versions of Junior 8.0 is 36 points. The
>>slight speed difference between them should give only
>>3-4 rating points. If the programs otherwise play identically,
>>and that is what I have understood, the rest must be
>>attributed to statistical factors.
>
>No wonder
>
>Junior 8 did not play against Shredder 7.04 nor Shredder 7.
>It did not play against a Chesstiger version too.
>
>Instead it played 60 games against Shredder 5/5.32, 52 games agsinst the old
>Fritz 5.32 on inferior hardware and 62 games against the old Nimzo 7.32
>on inferior hardware.
>
>Michael

Why do you think that playing against weaker opponents mean bigger rating?

It is often not the case and I remember that Junior5 lost rating from playing
against old Comet on inferior hardware.

Uri




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