Author: Alessandro Scotti
Date: 09:09:46 01/18/05
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On January 18, 2005 at 11:51:01, F. Huber wrote: >And I can´t agree with you, that _any_ value is suitable for mate scores: >we do have a standard (PGN/EPD), but what would a standard be worth, >if nobody would keep to it? >And furthermore: how should a GUI correctly interpret mate scores, when one >engine uses 10000, the next 32000 and an other one 32768, and so on ... ? Hi Franz, the problem is that PGN is only standard for PGN, a Winboard engine doesn't have to know about PGN at all. But of course if some "de facto" standard emerges for chess engines adapting to it is only a "const int" away... :-) BTW in the early versions of Kiwi I was using 32767 but then I found that with 32000 it was much easier for me (human) to compute the distance to mate when analyzing positions! As for GUIs, I think the way to go is this (just the basic idea): load an engine and, if it supports any form of board setting, give it an easy mate to solve. Repeat with a "get mated" position and both mate scores should be known now.
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