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Subject: Re: TB's & Castling (Opps, I did post the wrong FEN)

Author: Daniel Clausen

Date: 02:17:51 03/07/02

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On March 07, 2002 at 04:51:13, Uri Blass wrote:

>On March 07, 2002 at 03:49:14, Daniel Clausen wrote:
>
>>On March 07, 2002 at 03:43:00, Uri Blass wrote:
>>
>>>It is of course not important for practical games because castling is not
>>>allowed in practical games so I understand programmers who choose not to
>>>fix the problem.
>>
>>This sentence made me laugh, and it's not even 10am over here. Thanks! :)
>>
>>Sargon
>
>I understand but when I wrote "castling is not allowed in practical games" I
>thought about tablebases positions and I meant to say that practically when
>players get to a position with 5 pieces, castling is not allowed by the rules
>because the king already moved.
>
>Uri

I'm sorry I'm so picky. It's just that based on the recent threads here I got a
bit "over-picky" so to speak. :)

I agree that in practice it's probably not relevant whether EGTBs support
castling flags or not. I just hope that the engines are aware of this and don't
probe the TBs if castling is still allowed. (although the score could be used as
a lower bound in case that the opponent has no castling rights anymore but you
still have) Even if this doesn't have a huge practical relevance, it's pretty
simple to fix this kind of bug.

Sargon



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