Proposal to add standardized variation sequences for chess notation

Richard Wordingham richard.wordingham at
Sat Apr 8 10:41:29 CDT 2017

On Thu, 6 Apr 2017 11:08:43 +0200 (CEST)
Christoph Päper <christoph.paeper at> wrote:

> Richard Wordingham <richard.wordingham at>:

> > If the variation selectors are ignored, these simplify to:
> > 
> > white square
> > hatched square
> > specific piece
> > 
> > This preserves all the information; the pattern of squares is known
> > in advance and therefore redundant.  
> I argued before that
>     empty square
>     specific piece
> would already be enough to carry all the required semantics, at least
> for drawing complete boards, because the coloring pattern is simple,
> well-known and redundant.

I meant redundant in that the colour of a single empty square
determines the colour of the rest.  Is there absolutely no interest in
depicting games played with the board the wrong way round?


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