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Subject: Re: Hiarcs 8 vs Fritz 7 @ Very L O N G Time Control !

Author: Uri Blass

Date: 17:06:21 05/18/02

Go up one level in this thread


On May 18, 2002 at 05:01:30, Ian Aston wrote:

>On May 18, 2002 at 02:23:18, Uri Blass wrote:
>
>>On May 17, 2002 at 15:11:58, Ian Aston wrote:
>>
>>>On May 17, 2002 at 13:15:19, Uri Blass wrote:
>>>
>>>>On May 17, 2002 at 12:24:27, Brian Katz wrote:
>>>>
>>>>>On May 16, 2002 at 19:03:49, Jorge Pichard wrote:
>>>>>
>>>>>>On May 16, 2002 at 19:00:52, Jorge Pichard wrote:
>>>>>>
>>>>>>>These 6 games were played with Nimzo8.ctg and 64 MB hashtable. Average time
>>>>>>>control 4 minutes per move. Final score 3.5 to 2.5 in favor of Hiarcs 8. I would
>>>>>>>like to continue , but these games are too l o n g.
>>>>>>>
>>>>>>>I would like to know if other people can get better results using other Opening
>>>>>>>Books? Even at shorter time control.
>>>>>>
>>>>>>PS: I also have Blitz games if you need to compare them later.
>>>>>>
>>>>>>Pichard.
>>>>>
>>>>>I recently ran an engine tournament on my 350 MHz Pent II.
>>>>>Time control 1/1 hash tables set at 8. I have 384 SD RAM.
>>>>>I thought Hiarcs would excel at the longer time controls rather than the shorter
>>>>>time controls. This was with the Hiarcs 8 using the CD book. This was before I
>>>>>downloaded the new upgrade. Fritz 7 used it's own book of course.
>>>>>I was quite suprised with these results.
>>>>>
>>>>>game 1-1 Eatontown  2002
>>>>>
>>>>>	                 1	 2	 3	 4	 5
>>>>>1	Hiarcs 8	****	0½1½	½11½	1111	110½   11.5/16
>>>>>2	Shredder 6.02	1½0½	****	0100	001½	1111	8.5/16
>>>>>3	Shredder 6	½00½	1011	****	½½½1	0010	7.5/16
>>>>>4	Fritz 7	        0000	110½	½½½0	****	1101	7.0/16
>>>>>5	Crafty 18.14	001½	0000	1101	0010	****	5.5/16
>>>>>
>>>>>
>>>>>In longer time controls Fritz 7 seems to come out quite a bit ahead of Hiarcs 8.
>>>>>Too soon to tell. Any similar results out there?
>>>>
>>>>I have not Hiarcs8 but I am not surprised because Hiarcs was also in the past
>>>>relatively better in blitz.
>>>>
>>>>I see no reason to expect Hiarcs to do better at longer time control.
>>>>It has not special search rules for long time control or special evaluation to
>>>>know things that cannot be discovered by search(for example fortress positions).
>>>>
>>>>Uri
>>>
>>>On the other hand, the programmer says that the Hiarcs 8 search is capable of
>>>reaching 1-3 iterations deeper than Hiarcs 7.32. Surely this must count for
>>>something at longer time controls.
>>
>>I do not see why only at long time control.
>>It should help at all time controls.
>
>
>Perhaps I should have said, the article also states, that the Hiarcs 7.32 search
>was prone to exploding at plies of 10 or over. If the change in the shape of the
>search tree has fixed this problem then it should help with long time controls.
>Anyway, I suppose we will find out when it is included in the SSDF ratings and
>we can see the difference between HIarcs 7.32 and Hiarcs 8.

The comparison of Hiarcs8 is with other top programs.

I know that Hiarcs7.32 had bugs for long time control and it could explain the
fact that hiarcs7.32 earned less from time but I see no reason to believe that
without bugs Hiarcs earns more from time than programs like Fritz7.

Uri



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