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Subject: Re: Crafty 17.10 not that strong

Author: Mogens Larsen

Date: 13:11:08 04/24/00

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On April 24, 2000 at 15:24:00, Christophe Theron wrote:

>Most of the games played on earth are played at faster time controls.

I was talking about tournament games at a certain level. The level computer
chess programs wishes to compete at. I wasn't talking about a friendly game of
chess against your neighbour.

>I think generally users use time controls faster than tournament time controls.

I agree.

>I wonder. I remember a test suite published in a french magazine some years ago.
>The computers of that time had to think for several minutes in order to solve
>the problems. And these problems came from grandmaster games (far over the level
>of even a good club chess player).
>
>Current computers can solve all the problems in only a few seconds. Most
>problems are solved in less than 1 second.

Problem suits are a poor substitute for real games. Can the program reach the
required position by itself. In most cases the answer will be no IMHO.

>The difference in search depth between blitz and tournament time controls is 4
>plies in average.
>
>Top programs already manage to search 8-9 plies deep in blitz.
>
>8-9 plies in blitz and 12-13 plies at tournament time controls. No big deal.

I'm not sure that is entirely true, but what do I know.

>Why using the reference to human games?
>
>For correspondance games you might prefer the other one.

Well, they're human too I assume. Since the rating list is not based over the
board chess, I'll stick with program B anytime.

>Thanks, I felt a little bit sorry that nobody wanted to discuss these issues.

Maybe it's because you (and the opposition) have already made up your mind up
regarding this issue.

Best wishes...
Mogens



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