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Subject: Re: Chess Tiger 15 strength impressions-The reason for...

Author: Uri Blass

Date: 12:39:50 10/20/02

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On October 20, 2002 at 15:14:58, Christophe Theron wrote:

>On October 20, 2002 at 08:02:23, Wayne Lowrance wrote:
>
>>On October 20, 2002 at 03:36:27, Uri Blass wrote:
>>
>>>On October 20, 2002 at 01:43:26, John Smith wrote:
>>>
>>>>On October 19, 2002 at 23:59:52, John Rice wrote:
>>>>
>>>>>Thanks for the replies Uri and Wayne. My time controls generally range from 8/8
>>>>>up to 12/12. I did know about the fisher time control problem, and have tried
>>>>>hard to utilize Tigers time controls (without increments) in the most effecient
>>>>>manner. It gets difficult trying to guess what time limit to set when playing
>>>>>12/12 games, but I get it close most of the time. Using the exact same set-up
>>>>>with Chess Tiger 14, I get much better results at Yahoo than I do with Chess
>>>>>Tiger 15. Is it possible CT15 has taken a step back in strength as opposed to
>>>>>CT14 at these time controls?
>>>>>
>>>>>On October 19, 2002 at 17:40:46, Uri Blass wrote:
>>>>>
>>>>>>On October 19, 2002 at 17:32:48, John Rice wrote:
>>>>>>
>>>>>>>I haven't run any comp-comp tournaments with Chess Tiger 15, but I have had time
>>>>>>>to play many online games at Yahoo's advance chess lounge against my usual
>>>>>>>fellow program players. So far, I have to agree with John Smith and a few of the
>>>>>>>other posters who are not having the success they expected with Chess Tiger 15.
>>>>>>
>>>>>>
>>>>>>What time control do you play?
>>>>>>I read that tiger15 does not support the fisher time control correctly so you
>>>>>>should play x minutes per game or x minutes per y moves.
>>>>>>
>>>>>>Uri
>>>>
>>>>
>>>>
>>>>For the disappointing results in Yahoo(Hmmm, I wonder what your id is)is because
>>>>of the blitz timers a certain number of individuals employ there (CT15 is not
>>>>very good at blitz).
>>>
>>>I do not have tiger15 but I am surprised to read it.
>>>
>>>I know that christophe does not believe in programs that are weaker in blitz
>>>and he tries to do tiger better at all time control.
>>>
>>>I think that you should check if you give tiger the right hash tables(I read
>>>that the default setting are too small)
>>>
>>>I know that tiger15 was number 1 in chessfun's rating list and clearly better
>>>than Tiger14.
>>>
>>>Uri
>>
>>Uri, my  experience with Tiger 14 at Advanced (almost exclusivly blitz there)
>>Tiger14 was not the best blitzer and too much hash at these timers was
>>detrimental,. As I said in a earlier post something like 32 meg was better than
>>maxed out hash.
>>Just my experience.
>>Thanks
>>Wayne
>
>
>
>
>I'm sorry Wayne, but this simply cannot be.
>
>Since Chess Tiger 13, there is no drawback for using as much hash table as
>possible.
>
>There was a drawback in Chess Tiger 12 and earlier because the program had to
>clear the hash table before starting to think. With 192Mb of hash table it could
>take up to 2 seconds, which was a killer for blitz time controls.
>
>I repeat, this is not the case anymore since Tiger 13. You can have 192Mb of
>hash table and play bullet, there is NO problem.
>
>On the other hand, using more hash table always help, even at bullet time
>controls.
>
>
>
>    Christophe

I am sure that for your computer bigger is better.

It may be possible that for another computer things are different

The problem may be something that is not tiger's fault.
Maybe a virus or maybe some problems with windows.

Uri



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