Author: Eugene Nalimov
Date: 15:47:05 09/12/99
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I beleive 32767 means "Incorrect position or no score". Obviously, something is wrong in the way the probing code is attached - e.g. TB was not registered, etc. Eugene On September 12, 1999 at 18:23:06, Jeremiah Penery wrote: >On September 12, 1999 at 14:56:39, Daniel Clausen wrote: > >>Hi >> >>I'm trying to use Eugenes EGTBs in my own chess engine and downloaded >>the file tbgen.zip from Mr. Hyatts site. >> >>I have the following simple test position: >> 4k3/8/4K1R1/8/8/8/8/8/ w - - >> >> WK=E6, WR=G6, BK=E8, white to move >> >>Now this should be mate in 1 in my opinion. :) But when I probe EGTB I >>get the value 32767. I tried it with similar positions and always got >>the same value. >> >>I'm not sure whether it already fails during index-calculation or while >>probing. > >AFAIK, that is the correct value for it to return. As per the EPD(?) >specifications, mate value should be 327.67 (I think). Mate in 2 (3 ply) would >return a score of 327.65, and so on. Being mated in 1 (On the second ply) >should return a score of (-)327.66, and so on. > >Someone please correct this if I'm wrong. :) I haven't fully read the >documentation, but it is what I understand from previous conversations, and from >Crafty's handling of this. > >Jeremiah
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