Author: James Robertson
Date: 15:05:00 09/04/99
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On September 04, 1999 at 16:10:24, Frank Phillips wrote: >On September 04, 1999 at 11:58:02, James Swafford wrote: > >>Are you sure you're ordering the squares the right way? >> >>For example, in my engine, A8=0, H8=7 .... H1 = 63. >>In Eugene's code, H1 = 0 ... A8 = 63, so I had to do >>an inversion before placing squares in the list. >> >>Before I caught this, my program was screwing up simple >>three man mates. Talk about frustrating. :-) >> >>-- >Yes, thanks. I usually do such stupid things, but this time round I wrote the >program so that A1==0 with Eugene's EGTB's in mind! > > >Frank How about extensions? I found that if my program triggered an extension at ply 1, it would (assuming the position is a win for the side to move) have only 1 move that would return a mate value, and would abort the search after 1 ply of searching even if there was a faster mate that could be found at ply 2 through a non-checking move. James
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