Re: Proposal to add standardized variation sequences for chess notation

From: Richard Wordingham <>
Date: Wed, 5 Apr 2017 09:10:30 +0100

On Mon, 3 Apr 2017 20:33:55 +0100
Richard Wordingham <> wrote:

> On Sun, 2 Apr 2017 10:43:39 -0700
> Asmus Freytag <> wrote:

> 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.

Now, Asmus's VS scheme is:

empty white square
empty black square
piece with matching spacing
piece with dark back ground and matching spacing.

Now, what happens to the two scheme if rendered with yellow text
('foreground') on a blue background?

I believe the 'empty black square' will have yellow hatching on a blue
back ground.

Will the empty white square be white or blue?

Will the 'piece with matching spacing' have a white background around
the depiction of the piece, or a blue background? What of a 'white
square with a specific piece on it'?

A piece with a *white* background is different to a piece that is
merely an outline, whether filled or not.

Received on Wed Apr 05 2017 - 03:11:08 CDT

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