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Subject: Re: The Brick Wall

Author: Stuart Cracraft

Date: 12:16:49 09/19/04

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On September 19, 2004 at 14:55:25, Uri Blass wrote:

>On September 19, 2004 at 14:25:43, Bryan Hofmann wrote:
>
>>On September 19, 2004 at 12:54:57, Andrew Williams wrote:
>>
>>>On September 19, 2004 at 11:10:14, Stuart Cracraft wrote:
>>>
>>>>Hi -- I am looking for 2 or 3 beta testers who would receive
>>>>(full) source code to my program and in return would provide
>>>>input and comments about improving the search. They would
>>>>simply agree not to redistribute it and in fact discard it after
>>>>a week or two of looking at it (and commenting.) The program is in C,
>>>>5000 lines. The search and quiescence routines are 600 lines total.
>>>>
>>>>The reason I am considering this is due to hitting a brick wall at 249/300
>>>>on WAC for several weeks now and knowing there are things I just cannot
>>>>find or go further with. The above score is at 1 second per position on a
>>>>1ghz P3 with a small transposition table. I am told that 270-300 is considered
>>>>"good" for this time control on this test. On this same machine
>>>>at the same time setting, with WAC, Crafty gets 270/300.
>>>>
>>>
>>>It strikes me that comparing your program with crafty (or any other program for
>>>that matter) based on 1 second searches in WAC is a bit weird. And a waste of
>>>time. I'm pretty sure, for example, that my program would do worse at WAC 1
>>>second searches than yours on that hardware and I certainly don't care either
>>>way.
>>>
>>>Solving WAC positions is a *side-effect* of being a good program, in my opinion.
>>>I would strongly encourage you to play some games. Is your program WinBoard
>>>compatible? If so, send it to Leo Dijksman, Guenther Simon and lots of the other
>>>good testers who hang out at Winboard Forum.
>>
>>That would be asking the same people he insulted a few weeks ago calling them
>>Have Nots and that they should be excluded from the CCC as they did not program
>>chess engines. This is nothing more then a lackadaisical attempt to get someone
>>to fix his code from him. As far as I'm concerned the Brick Wall can fall on him
>>and his holier than tho attitude.
>
>I do not see why you are so hostile.
>
>I think that his complain was not about the fact that people did not program
>chess engines but that people discuss about different subjects.
>
>I guess that he has no objection to people who still did not write chess engines
>but have questions about writing them and I guess that the problem can be solved
>by dividing this board to some forums when one forum will be only about chess
>programming subjects and not discussing about results of chess programs or games
>when there is no connection to specific programming questions.
>
>Uri

Completely and totally agree with the above comment.

Subdivide and conquer!

Utilize the recursive alphabeta algorithm on this forum itself to divide
up nodes (people) into like-minded, kindred spirits so as not to mix an
alpha node with a beta node.

Tally-ho!

Stuart




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