Author: Robert Hyatt
Date: 06:22:44 06/25/99
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On June 25, 1999 at 02:29:45, James Robertson wrote: >I implemented the threat exension in the null move (if the null move returns >that we were mated, then extend), and I almost _never_ get any extensions this >way. Maybe 3 or 4 times in an entire search, if that many. How many is normal? >Do I have a bug? Any help is appreciated. > >Thanks, >James What happens if you call Search(-500,-400,etc)? Can you (from the next ply) return a value > -400, so that you can actually pass the MATE score back to the previous ply (fail-soft) or do you just return -400 (beta) which won't trigger the extension?
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