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Subject: Re: Ten years later: revising EPD/FEN/PGN

Author: Robert Hyatt

Date: 11:34:58 09/10/03

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On September 10, 2003 at 01:45:27, Koundinya Veluri wrote:

>On September 09, 2003 at 18:33:22, Steven Edwards wrote:
>
>>4. The centipawn evaluation operand type needs a mate score indication
>>correction.
>
>I would also like to be able to use the "dm" (direct mate) opcode with negative
>values. So dm -3 would mean the active color gets mated in 3 moves. The "dm"
>opcode is more convenient to use than "ce" if your program doesn't use the EPD
>mate score format internally.
>
>Koundinya


Let's _DON'T_ do that.  Why not make everything respective to white.  I hate
evaluations that are + for black, - for white.  Etc.  It makes reading the
file very context-sensitive.  I'd prefer something like Mate07 for white mates
in 7 moves, or -Mate06 where white is mated in 6 moves.  I didn't invent that
format, I copied it from Chess Genius years ago.  It is easy to read and
understand, particularly if it is always given from white's perspective.

I'd prefer to see _no_ "side-sensitive" stuff which makes things ambiguous.

I like +1.5 to mean white is ahead, -1.5 to mean black is ahead.  That makes
things context insensitive.



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