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Subject: Re: Newbie Questions: Winboard/Crafty on Windows PC

Author: Bernhard Bauer

Date: 07:31:39 09/14/99

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On September 14, 1999 at 09:39:58, Robert Hyatt wrote:

>On September 14, 1999 at 09:26:28, James Flanagan wrote:
>
>>I'm just getting started setting up Winboard with the Crafty engine on a PC
>>(Win98, AMD K6-2/350, 64Mb RAM, 8.4+18.2Gb disks), and I have a lot of questions
>>about getting started:
>>
>>I'm having trouble (I think I am, anyway) getting Crafty to recognize the table
>>bases that I downloaded.  In Crafty's Log file created during each game I never
>>see a 'tablebase probed' value other than zero.  The documentation says to put
>>'tbpath=<whatever directory the tablebases are in>' into the command line. My
>>tablebase files are in "e:crafty\tb\".   I have tried all permutations and
>>combinations of putting 'tbpath=e:crafty\tb\' into the winboard command line,
>>but continue to get a variety of error messages and 'tablebase probed=0' in the
>>logfile.  My current command string in the Winboard shortcut Properties is as
>>follows:
>>

If you want to use tablebases you have to tell it crafty by the command
"egtb". Setting up tbpath alone will not do.
Something like
winboard -cp -fcp gnuchess -scp "crafty winboard egtb hash=24M hashp=8m
cache=8M"
....
should do.

>>"C:\Program Files\WinBoard\winboard.exe" -cp -fcp "GNUchess" -scp "crafty
>>winboard" -sd  "e:\crafty"  -fd "c:\program files\winboard"
>>
>>If anyone with a Windows machine has a similar setup and is successfully using
>>tablebases, I would appreciate seeing your winboard.ini and crafty.rc files and
>>your command string for starting winboard.
>>
>
>
>another choice:  add "tbpath=e:\crafty\tb" to your crafty.rc file which should
>be placed in either the directory where you start winboard, or in the directory
>you tell winboard to use as the 'home directory' for crafty.
>
>
>
>>Other questions:
>>
>>How should I set my cache and other adjustable parameters in winboard and
>>Crafty?
>>
>>How big should the cache be with 64Mb of RAM?
>>
>>Are there any other critical parameters that I need to set to get optimum
>>performance?
>>
>
>
>the best you can do is probably hash=48m, hashp=8m.  and if you are using
>compressed tablebases, that won't work.  Then you will have to try
>hash=24m, hashp=8m and cache=8m and see how that does...
>
>
>
>
>>Should ponder mode be on or off when in computer v. computer mode?
>
>playing two computers on one computer is already a bad test, so it really
>doesn't matter...
>
>
>
>>
>>Can two instances of Crafty play against each other (one black and one white)
>>and both use the tablebases?
>
>
>Yes, but there is an issue about 'learning'.  It ought to be turned off, or
>both can try to update the files at the same time and I have no idea how windows
>will handle that.
>
>
>>
>>Is it possible for Crafty and Fritz to play together?  Fritz seems confined to
>>ChessBase and Crafty to Winboard.  Is there any common ground for these two
>>engines?
>\
>
>If you bought fritz, you can download a crafty from the chessbase web site
>that will run inside the fritz gui...
>
>
>
>>
>>Can anyone tell me which engines that run in analysis mode under Winboard are
>>the strongest?  I know that there are dozens of different engines, but which are
>>the best?
>>
>>Thanx.
>>-JamesF99
>
>
>Which is the best automobile on the road?  :)



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