Author: Robert Hyatt
Date: 07:22:25 09/11/99
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On September 11, 1999 at 02:35:47, David Eppstein wrote: >On September 10, 1999 at 09:44:57, Robert Hyatt wrote: > >>On September 10, 1999 at 02:27:21, Richard A. Fowell (fowell@netcom.com) wrote: >> >>>As Dan points out later, this is "White being crushed" and the EPD is: >>>8/p7/P5p1/7p/7P/4kpK1/8/8 w - - >>>(I put the "with EPD" in the hopes to save folks the trouble Dan and I >>> went through). >>> >> >>what kind of trouble? I posted both epd and an ascii board in my original >>post... >> >>aha.. I bet you mean the lack of /8/, etc? The _original_ Forsythe notation >>did not require that each rank be padded to 8 squares. That happened later >>and (IMHO) is a silly limitation in FEN, because if each rank needs 8 squares, >>then the / characters are redundant. the original Forsythe notation was more >>compact which was why it was developed in the first place. > >It may be a silly limitation, but some software (e.g. Exachess) won't parse it >without 8 things on each line, so users of that software (e.g. me) can't view >the position without carefully tweaking the EPD by hand. Wouldn't it be easy >enough to make the program you copied this from produce correct EPD? The next version does this. But 'correct' is debatable. I still have a copy of the original forsythe notation description, which is what I went by when I wrote the code. EPD takes the FEN (forsythe-edwards notation) and adds things like best move (bm) and so forth. FEN is a restricted version of the original FN spec. If you correctly handle the '/' characters, thent the rank padding is not needed. But yes, I modified Crafty so that those that don't handle '/' correctly can still eat its FEN output...
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