Author: Rick Bischoff
Date: 21:07:00 09/25/04
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Hi, fail hard. mates are detected when the side that is mated has no legal moves. I tried taking out the entire (depth>3) clause in the null move check, with no luck-- I am still not getting any mate threats unless the window is wider than (-beta, -beta+1) > >some questions: >fail soft or fail hard alpha beta? >How do you detect mates in the search? -- king capturing or static IsMate() >function? > >If your depth is >= 4 only then you do null move, that might be too high up in >the tree for mate threats--I think your mate threats are going to your main >alpha beta stuff. Try doing null move regardless of depth and see what result >you get. > >Michael
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