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Article #1476

Re: Determine whether user is in check?

#1476
From: Simon Waters
Date: Thu, 03 Apr 2003 09:08
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Jeremy Stanley wrote:
>>No, "show escape" gives an indirect answer (if it isn't mate).
>
>
> Hmm.  I tried that, but I've seen it give more than zero escape moves
> even when I'm not in check.  Was it reporting based on some other
> state than the board was currently in, perhaps due to pondering?
>

Can you give an example, and details of version/platform/compiler etc as
I can't reproduce this.

>>"show moves" should list legal moves.
>
>
> It does, but they're in SAN and they're not disambiguated.  (Same goes
> for the "hint" command.  Why not just use AN?  I guess this has been
> brought up before, though, so I'll shut up now.)

To be in SAN they would have to be disambiguated, as the standard
requires it, so if we deviate please tell us.

1. e3 Nc3 2. Ne2 d5 3. Ne2 - "show moves" includes Nbc3 and Nec3
disambiguating the choice of Knight. Can you give an example of where
the output is ambiguous?

The user commands all use SAN, we could probably change them when in
xboard mode to use coordinate notation, but I'd rather fix GNU Chess to
use SAN everywhere in xboard mode as well, as I see not using SAN as a
bug, not a feature.
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From: Simon Waters <Simon@wretched.demon.co.uk>
Newsgroups: gnu.chess
Subject: Re: Determine whether user is in check?
Date: Thu, 03 Apr 2003 10:08:19 +0100
Organization: Eighth Layer Limited
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