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

Author: Ulrich Tuerke

Date: 14:01:52 05/01/02

Go up one level in this thread


On May 01, 2002 at 16:54:48, Mike Hood wrote:

>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.

The time management of the Fritz-1.20 engine under the Fritz5-GUI seemed quite
reasonable to me. It played a bit slower than Comet, but didn't loose on time
any of the games.

Regarding the old DOS-exe, you may be right.

Uli



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