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Subject: Re: Does anyone have Crafty vs. other engines blitz statistics?

Author: Uri Blass

Date: 09:31:26 02/19/03

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On February 19, 2003 at 11:50:31, James T. Walker wrote:

>On February 19, 2003 at 11:12:37, Roy Brunjes wrote:
>
>>On February 19, 2003 at 00:50:04, James T. Walker wrote:
>>
>>>On February 18, 2003 at 22:57:47, Charles Worthington wrote:
>>>
>>>>I am cosidering making Crafty my primary engine for 3+2 and under games on the
>>>>chessbase server. Does anyone have blitz stats (ie. w-l-d) for crafty vs various
>>>>other engines?
>>>
>>>In my opinion Crafty is not a good blitzer.  It appears to me that Crafty has
>>>become better at longer time controls and worse at short time controls in the
>>>last few years.  The only info I have on Crafty is for Crafty 18.13 which scored
>>>101 out of 278 games at G/5min vs various top programs in my blitz database.  I
>>>have Crafty 19.01 scoreing only 37.5 out of 100 games vs Deep Sjeng Beta on 2
>>>XP2400+ machines using auto232 (G/5min).  I don't own a dual.
>>>Jim
>>
>>Hmm... 101/278 is roughly 36.3 percent for Crafty 18.13.  That is not even as
>>good as the 37.5 points that Crafty 19.01 has.  Granted, the sample size is much
>>smaller for 19.01 than for 18.13, but is that data sufficient to clearly declare
>>18.13 as better at blitz?
>>
>>Roy
>
>Hello Roy,
>No, of course not.  My opinion is based on my experience with my database and
>results seen here.  You have to consider the results for 19.01 were only against
>one opponent.  The 18.13 results was vs some of the top engines of today.
>I also have played other crafty versions vs several beta engines and these test
>are only in my mind since I did not save the beta engine games when I was not
>sure it was the final version.  I'm not saying my opinion is "proof" or
>scientific.  It's only my opinion based on my experience.  Others have different
>opinions based on different experiences.  Nothing wrong with that.
>Also I did not mean to say that Crafty 19 is worse than Crafty 16 at blitz.
>What I mean is that while Crafty is getting better all the time it seems to me
>that at blitz speed it's falling further behind the top engines of today
>compared to where it was several years ago.

The question is if it get better at tournament time control.

I remember results of Peter berger when some old version did better both in
blitz and in standard time control.

Uri



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