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Subject: Re: SSDF(Chess Tiger 15 - Deep Fritz 7)A1200, ?-1?, now 18-16

Author: Uri Blass

Date: 07:38:14 11/25/02

Go up one level in this thread


On November 25, 2002 at 10:25:35, James T. Walker wrote:

>On November 25, 2002 at 06:22:49, Chessfun wrote:
>
>>On November 24, 2002 at 22:44:32, James T. Walker wrote:
>>
>>>On November 24, 2002 at 13:20:36, Chessfun wrote:
>>>
>>>>On November 24, 2002 at 11:09:48, James T. Walker wrote:
>>>>
>>>>>On November 23, 2002 at 13:46:33, Jan Kiwitter wrote:
>>>>>
>>>>>>On November 23, 2002 at 13:41:27, Jorge Pichard wrote:
>>>>>>
>>>>>>>On November 23, 2002 at 11:01:49, Christophe Theron wrote:
>>>>>>>
>>>>>>>>On November 23, 2002 at 11:00:04, Joachim Rang wrote:
>>>>>>>>
>>>>>>>>>On November 23, 2002 at 08:14:08, Jorge Pichard wrote:
>>>>>>>>>
>>>>>>>>>>Deep Fritz will have another miraculous return in the last 6 games just like in
>>>>>>>>>>the previous matches. I predict a 21 to 19 in favor of Chess Tiger 15.
>>>>>>>>>>
>>>>>>>>>>Pichard.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>where is the return, if you predict another 6 draws?
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>:)
>>>>>>>>
>>>>>>>>Good point! :)
>>>>>>>>
>>>>>>>>    Christophe
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>No, I didn't say that I predict 6 more draws, but probably another win or even
>>>>>>>two for Deep Fritz and the remaining draws.
>>>>>>
>>>>>>But then the result cannot be 21-19.
>>>>>>
>>>>>>>
>>>>>>>     Pichard
>>>>>
>>>>>I'm amazed it's this close.  I have played 25 games of Fritz 7 vs Chess Tiger 15
>>>>>at G/60min and Fritz 7 leads by 18.5-6.5.  Chess Tiger 15 is currently ranked #
>>>>>22 in my standard database after 101 games.  I'm getting miserable results for
>>>>>Tiger 15-normal.  I find it hard to believe it improves dramatically when the
>>>>>time control is raised to 40/2hours.
>>>>>Jim
>>>>
>>>>Going back to beta testing as you may recall, my results even at 40/40 were
>>>>always good, as were others. Also this match is Deep Fritz 7 not Fritz 7.
>>>>
>>>>I also don't see the time control as being too relevant as again from memory
>>>>even at fast blitz Tiger 15 performed better than Tiger 14.
>>>>
>>>>Sarah.
>>>
>>>Hello Sarah,
>>>Well if you go back to the beta testing you will see I never did have really
>>>good results.  In fact vs Junior 7 I seem to remember that Tiger got like 3.5
>>>points out of 24 games (7 draws no wins).  It was close to Fritz 7 but never was
>>>ahead of Fritz 7 in my test.  I played over 1000 games and my results were
>>>mediocre especially vs Fritz 7 & Junior.   As I said above Chess Tiger 15 was
>>>ranked # 22 in my database.  That's not very impressive although it contains
>>>only 101 games of Chess Tiger 15-normal.  Since the beta test I have now
>>>swithced to XP2400+ cpus and so far results are about the same.  I'm running
>>>Tiger with either 96M/192M hash and have all 3/4/5 man tablebases.  It also beat
>>>Ruffian by only 14-12.  Ruffian is ranked about #8 in my database now and Chess
>>>Tiger 15 moved up to the 18th spot after some wins vs Hiarcs 8 today.  I don't
>>>like to test at 40/2hrs because it takes too long and besides the SSDF does a
>>>good job at that time control.
>>>Jim
>>
>>I remember your results against Junior 7 as it was after the final release and
>>as I recall we had a thread on the subject. As you remember I also tried exactly
>>at the same time as you and posted my 9 games at 40/40 +3 -2 =2.
>>
>>If I also remember your results earlier were much better although there were no
>>changes in the final beta. I even took the liberty of checking and your results
>>against Junior 7 in longish games were;
>>
>>Chess Tiger 15 normal vs Junior 7
>>@G/60 min 9.5-4.5
>>@ 40/60 min 7.0-3.0
>>
>>Taken from your post dated 08-09-2002.
>>
>>Sarah.
>
>As I said, I played over 1000 games.  That post was after 925 games and ignores
>the poor results with Junior mentioned earlier.  My results since then have
>continued to be worse as indicated by my post.  My latest database does not
>include the beta test games.  I never included them in the database because it
>was a "beta" version as far as I knew and I didn't want to screw up my database
>with games from a broken beta engine.  In retrospect I could have kept them
>since the beta ended up being the final version as far as I know.  Here is what
>is in my "standard" database now for Tiger 15 vs:
>Fritz 7 8.5-16.5 (corrected)
>Junior 7 2.0-12.0
>Ruffian  14.0-12.0
>Shredder 6Classic 7.0-11.0
>Hiarcs 8  9.0-9.0
>Shredder Paderborn 5.0-3.0
>Aristarch 4.4  4.5-2.5
>Junior 6     3.5-1.5
>
>That is a score for Tiger 15 of 53.5 out of 121.  Not very impressive.  The
>above results vs Fritz 7 and Junior 7 are terrible.  I don't know if it's the
>result of "learning" by those two during the beta period or what.  I doubt it's
>that.  It could just be bad luck but it started way back near the end of the
>beta period.  I have no explanation for the results, only the results
>themselves.


The first explanation to think about is that it is possible that tiger's
computer was slower for some reason.

I think that it may be productive if you have the average number of nodes per
second for tiger and other programs.

Uri



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