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Subject: Re: For R Hyatt : Crafty book creation bug when underpromotion encounte

Author: Gary Suffield

Date: 22:18:15 04/07/05

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On April 07, 2005 at 11:34:49, Marc Lacrosse wrote:

>R Hyatt wrote :
>>that is illegal PGN.  Unless the standard has changed, the last time I looked
>>promotions were indicated as dxc8=R, _not_ dxc8R
>>
>
>You are right, Robert!
>
>In PGN standard 1994.03.12 at "8.2.3.3: Basic SAN move construction", one can
>read : "Pawn promotions are denoted by the equal sign "=" immediately following
>the destination square with a promoted piece letter (indicating one of knight,
>bishop, rook, or queen) immediately following the equal sign. "
>
>But maybe you should consider accepting the faulty syntax without the "=" sign,
>because :
>- it's the way Chessbase exports games to PGN (...sighing...)
>- it is not easy to correct this "by hand"
>- other engines (Yace, Pharaon, ...) seem to accept the "relaxed" syntax
>
>Marc

FWIW, my chessbase products (Fritz8 and CB9) all export to PGN properly ie
promotions with the '='. I tried this with chessbase database format conversion
to PGN, save game as and output as text.



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