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Subject: Re: Probably stupid tablebase question

Author: Robert Hyatt

Date: 06:25:13 08/20/99

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On August 20, 1999 at 03:27:21, Shep wrote:

>On August 19, 1999 at 11:52:42, Pete R. wrote:
>
>
>>I was wondering about something like that, but in my situation it *is* doing
>>tablebase hits, presumably on the knkr set.  This occurs with both Hiarcs and
>
>That is not a contradiction. It is using the "swindle mode" on the 5-man
>tablebase it is currently in by simply discarding it from the list of used
>tablebases, but it is still using the 4-man set (which is reasonable in case it
>should see a transition from drawn KRKNP to a won KRKP or KRKN situation).
>
>>Crafty within the Chessbase interface.  I'll try it with "native" Crafty,
>>perhaps one of my tablebase files is corrupted, or maybe it's something with the
>>interface.  I'm not clear on the tablebase designations now, are the .nbb and
>>.nbw extentions for which side is on move, or which side has the three men?
>
>nbb is for black to move, nbw for white to move. It does not matter which side
>has which material since this is symmetrical (flip colours and chessboard and
>the situation is the same).
>
>>With white having k+r and black with k+n+p, when it's white's turn it's behaving
>>as if it needed a krknp set which doesn't exist, but I had assumed knpkr covers
>>both cases, regardless of which side has which pieces.
>
>If you absolutely want to make sure your setup is OK, take an older Crafty (like
>16.0 or so) which has no swindle mode. That one should use the TB's the way you
>expected.
>The swindle mode might be confusing at first (it confused the heck out of me in
>Hiarcs because I don't remember reading about it in the docs), but it's a cool
>feature indeed.
>
>---
>Shep


also "swindle=off" will disable this in current crafty versions as well...




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