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Subject: Re: Interesting Fritz 1 on a Celeron 433 Mhz search up to depth 13 !

Author: Mike Hood

Date: 13:54:48 05/01/02

Go up one level in this thread


On April 30, 2002 at 08:08:28, Ulrich Tuerke wrote:

>On April 30, 2002 at 07:15:01, Uri Blass wrote:
>
>>On April 30, 2002 at 07:06:18, Ulrich Tuerke wrote:
>>
>>>On April 30, 2002 at 06:42:55, Uri Blass wrote:
>>>
>>>>On April 30, 2002 at 02:48:17, Ulrich Tuerke wrote:
>>>>
>>>>>On April 29, 2002 at 23:55:11, Christophe Theron wrote:
>>>>>
>>>>>>On April 29, 2002 at 21:28:21, Jorge Pichard wrote:
>>>>>>
>>>>>>>Interesting Fritz 1 on a Celeron 433 Mhz search up to depth 13, but Comet B42 on
>>>>>>>the same Celeron 433 Mhz can only search up to depth 12. This is when I set it
>>>>>>>up to game in 30 minutes. Of course that Comet B42 is about 350 Elo points
>>>>>>>higher than Fritz 1, but Comet B42 could be optimized to search higher than 12.
>>>>>>>
>>>>>>>Pichard.
>>>>>>
>>>>>>
>>>>>>
>>>>>>Where have you seen that Comet is 350 elo points higher than Fritz 1.0???
>>>>>
>>>>>That's certainly overestimated. I 'd expect Fritz1 still being a tough opponent.
>>>>>
>>>>>Uli
>>>>
>>>>I do not know.
>>>>
>>>>I guess that Fritz1 was never tested on the new hardware
>>>>and it is possible that some bug that is relevant only at slower
>>>>time control than tournament time control on 386 prevents
>>>>it to play well.
>>>>
>>>>I cannot know based on the data if the claim that
>>>>Comet is 350 elo better than Fritz1 is correct or not correct
>>>>because we cannot make conclusions based on the rating
>>>>of Fritz1 on slow hardware.
>>>>
>>>>I know that programs may have bugs at long time control
>>>>if they are not designed for it.
>>>>
>>>>One possible problem is that the order of moves can be wrong
>>>>at long time control because the program gives score to moves
>>>>based on some assumptions that are simply wrong
>>>>at long time control.
>>>>
>>>>Uri
>>>
>>>I also think, that Fritz1 can be beaten by many of today's amateurs. However, a
>>>difference of 350 ELO means that Fritz1 would score essentially 0 % ?
>>
>>350 elo difference means more than 0%.
>>
>>I can avoid losing rating based on the israeli formula
>>for rating if I lose 22.5-1.5 against an opponent that is
>>350 elo better than me.
>
>Agreed. 1.5-22.5 is "essentially 0" for me.  -:)
>
>Uli
>
>
>>
>>The simple linear formula that is used for calculating
>>the israeli rating is biased when the rating difference is big
>>so the expected result for the weaker player
>>is even better than 22.5-1.5.
>>
>>Uri

Fritz 1 seems strong to me, but it has serious problems in its time management
algorithm. I've played several 60 minute Blitz games against it where it was in
a clearly winning position, but it lost on time.




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