Author: Rick Bischoff
Date: 20:59:27 09/25/04
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Hi, I only do checks if a capturing move results in a check, then I just call alphabeta with a depth of zero. >>"found mate" never gets printed out in WAC141 unless I change the null move to a >>full width search... Why? Well, I shouldn't say never, but I let it run to ply >>9. > >Sigh. Do you do checks in quisce? No? If you do recursive R=2 with no checks in >the qsearch, nullmove makes the search absolutely BLIND for mates in the last 3 >plies. Think about it, set the position up with this in mind and analyze it. >Further if you use a window <alpha, beta> then you miss a large portion of mate >threats anyway. > >Bas.
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