🚀 go-pugleaf

We officially support GNU Chess for Unix-like
systems and I personally withhold support for 
the program on both Apple Macintosh and IBM PC
platforms. There are enough bugs to fix in the
Unix version of GNU Chess that the ported-versions
mentioned above must take a back seat.

However, the following note is forwarded to the
list in the hopes that someone with the Macintosh
sources for GNU Chess will forward said sources
to me for inclusion in the standard GNU distribution.

If you are a maintainer of GNU Chess for the Macintosh,
especially if you did the original port, please identify
yourself.

	Stuart

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To: cracraft@wheaties.ai.mit.edu
Date: Mon, 27 Dec 93 20:37:25 EST
Subject: GNU Chess Program difficulties

memo to: Stuart Cracraft
ref: GNU Chess

Dear Dr. Craycraft

this is a letter that I sent to you earlier this year -- perhaps you did not
recieve it so I am resending in hopes of a reply. 

==========

thanks for building such a neat and powerful program -- I cannot believe the
sacrifices it makes to win a point -  or a game!

I am running this program on a Mac Powerbook 140 using Apple System 7.1
software.  I am currently experiencing a couple of glitches with the program
and I wasnt sure what the cause was -- maybe you can shed some light

# 1 -- when I castle, then take back the move to a point BEFORE the castling,
the program decastles the king and the rook, but it sometimes loses the rook
- -- when this happens, i have to abort what may be a very good game

# 2 -- If I take back moves to precastle state, then the program treats my
king as if it has already moved, and it wont allow castling

# 3 -- if the opponents pc has crossed my line of check, but I have moved an
intervening peice OR captured that peice, the program will not allow me to
castle

# 4 -- program will not allow en passant moves -- if i capture a pawn this
way, my pawn simply vanishes... ????  Next if i move a pawn in such a way
that it can be taken en passant by the cmputer program,  the program allows
itself the to capture en passant, BUT if I take back the move to
pre-enpassant stage, then my captured pawn dissappears and the game must be
aborted. 

# 5 -- if I promote a pawn to queen, then take my move back -- the queen that
was a pawn stays promoted to a queen 

I would appreciate it if you could tell me if this is problem with my
particular computer -- or is it in the program itself? 
2
Dennie Kirtley
aka Spydersweb on AOL

PS --I am running version 1.0 GNU Chess  


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