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Subject: Re: DN to AN

Author: Brian T. Hamm

Date: 13:11:50 08/22/99

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On August 22, 1999 at 15:02:09, Bruce Moreland wrote:

>
>I'd like to know, too.  I would also like to know if there is a common standard
>for descriptive notation.
>
I don't know if there is an actual standard, but at least the few places I still
see descriptive notation offer answers to your ambiguity questions (see below).

Keep in mind, I'm no expert on descriptive notation and any errors I make are a
good hint at why I use standard algebraic notation.

>
>Here are some questions:
>
>If white has pawns on f4 and f5, and black has pawns on e5 and e6, how do you
>describe fxe6?
>
PxP(K6)

>
>If white has knights on f3 and f5, how do you say N3d4?
>
N(B3)-Q4

>
>If white has pawns on d4 and c4, and black has pawns on d5 and c5, is dxc5
>written as PxBP or QPxP, and if either of those is ambiguous do you use the
>other one?
>

PxBP seems sufficient...

Where ambiguity is concerned, I believe the idea is to always minimize the
amount of characters necessary to convey a move distinctly.

>
>I've never seen an established standard for disambiguating descriptive >notation.
>

Perhaps the easiest way to maintain a common use standard on descriptive
notation is to parallel what current programs use.

For instance, I think FileMate (a .PGN editing utility) allows descriptive
notation, and mimicry may not be a bad idea as needed.

-Brian



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