Author: William Bryant
Date: 22:38:49 12/27/99
I looked at this a year ago, but want to again ask the best way to handle this situation. You fail high at the root, increase alpha to beta -1 increase beta to Mate (or Mate - 1 depending upon how these are defined) Then you fail low on the same move. What I have been doing is accepting the fail high as correct, making this the PV move, and continuing the search at the next iteration with a window set around alpha which is the old beta -1, + or - the aspiration window size. Is this correct, is there a better way to handle a fail high/low. Thanks William wbryant@ix.netcom.com
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