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Subject: Re: ChessPartner 4.2 interface

Author: Lex Loep

Date: 10:21:11 01/18/00

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On January 18, 2000 at 10:04:35, Vincent Diepeveen wrote:

>On January 18, 2000 at 05:18:44, Lex Loep wrote:
>
>>On January 18, 2000 at 01:31:12, Tina Long wrote:
>>
>>>On January 17, 2000 at 14:26:12, Lex Loep wrote:
>>>
>>>>On January 17, 2000 at 12:56:48, Robert Hyatt wrote:
>>>>
>>>>>On January 17, 2000 at 10:24:05, Ernst Walet wrote:
>>>>>
>>>>>>On January 17, 2000 at 10:12:14, Robert Hyatt wrote:
>>>>>>
>>>>>>>Someone just pointed out something that I wanted to get some confirmation on
>>>>>>>about this interface.  Based on what I saw, it seems that this interface is
>>>>>>>breaking at least two things in "Crafty" if it is run under chess partner:
>>>>>>>
>>>>>>>(1)  When sending a move to the engine, they first seem to send an "undo"
>>>>>>>followed by a "force" followed by the move, followed by "move".  This simply
>>>>>>>tears up thinking on the opponent's time.  Because the undo/force commands
>>>>>>>terminate the ponder search in crafty instantly.
>>>>>>>
>>>>>>>(2)  This also totally breaks my book learning, since it is done every move and
>>>>>>>crafty never realizes that it is 10 moves out of book, since the position keeps
>>>>>>>getting reset.
>>>>>>>
>>>>>>>If this is true, it is just like the original version of the ChessBase
>>>>>>>interface, and means engine vs engine or engine vs operator games are no
>>>>>>>good, at least for the engines that are _really_ winboard compatible.
>>>>>>>
>>>>>>>Can anyone confirm this if you have chesspartner 4.2?  IE play a few games
>>>>>>>using Crafty as one engine (assuming it supports engine vs engine games) or
>>>>>>>else play a few moves manually vs crafty in this interface, making sure that
>>>>>>>it gets out of book.  Then send me the log.nnn file.  We don't need a bunch of
>>>>>>>tournament results from this interface it if is really behaving like this, as
>>>>>>>the games are meaningless...
>>>>>>
>>>>>>
>>>>>>I think I know who told you, as he told me as well.  I tested it with the
>>>>>>Rebel-Tiger beta and can confirm this happening, alas.
>>>>>>
>>>>>>Ernst-J.
>>>>>
>>>>>
>>>>>If this is true, (a) it is horrible programming and (b) means no matches played
>>>>>under chesspartner are worth anything at all.  That "trick" wrecks everything I
>>>>>do for sure.  I assume it is not helpful to others.  But in any case, in such
>>>>>a match, crafty plays without pondering, will _definitely_ clear the hash
>>>>>frequently, and can't learn at all.
>>>>
>>>>It is true, this 'trick' was necessary to get the GUI features like movelist
>>>>navigation, variations, game analysis etc. working kind of reliable.
>>>>(a) It is not horrible programming, it works the way it was intended, I just
>>>>did not realize it would break crafty.
>>>>Problem is the winboard interface was never intended as a computer interface
>>>>and has it's short comings, not to mention the variations amongst engines.
>>>>Anyway, the winboard adapter is being worked on and this problem will be
>>>>fixed soon.
>>>>
>>>>Lex
>>>Hi Lex et. al.
>>>
>>>I sort of understand this thread & need a little clarification.
>>>When My Chess Tiger program arrives:
>>>
>>>True or False?
>>>
>>>1)  Tiger will play as it should with ponder (& learning?), in ordinary games
>>>and Engine v Engine Games.
>>>
>>
>>Absolutely !
>>
>>
>>>2)  Other Winboard Engines will play ok, but not have ponder on opponents time,
>>>or learning.  So I can use them for playing, but not valid engine-engine
>>>competition.
>>
>>Not al winboard engines are equal, on some ponder may on some it may not work.
>>Playing in general would be ok.
>>
>>
>>>
>>>3)  Rebel-Windows Engine (when available) will play as it should like Tiger
>>>does.
>>>
>>
>>Absolutely.
>>
>>
>>>4)  There will be a free patch correcting 2 available for download sometime
>>>soon.
>
>In the fixes for 4.2, why is next considered as a bugfix?
> "Auto232 player has option to not send save game command to remote program."
>

The heading of the readme file shows:

"What's changed since 4.2"

Comment on my website shows:

"Update 1 for ChessPartner 4.2, contains some bugfixes and some small
enhancements. Check the readme file for details"

So, you may chooce :))

Lex


>Chesspartner+engine must win from old rebel versions in Sweden more easily?
>
>>>
>>
>>ChessPartner is a evolving product, there are regular free updates.  Keep an
>>eye on our website or subscribe to our mailing list.
>>
>>Lex
>>
>>
>>
>>>
>>>Thank you,
>>>Tina Long



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