Proposal to add standardized variation sequences for chess notation

[Christoph Päper]

Richard Wordingham <richard.wordingham at ntlworld.com>:
> 
> The basic text elements in the scheme other than boundary markers will be:
> 
> empty white square
> empty black square
> white square with specific piece on it
> black square with specific piece on it.
> 
> 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.