Author: Thomas McBurney
Date: 15:00:58 03/03/03
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On March 03, 2003 at 09:13:36, Albert Bertilsson wrote: >Hi! > >During a recent game my engine reported that a mate in 2 was found, then after >the next opponent move it reported that a mate in 3 was found. Does this >indicate a bug in the engine? > >If it matters the opponent didn't followed the PV that engine displayed mate in >2. But after the mate in 3 was claimed the opponent followed the PV until its >defeat. > >/Regards Albert I've seen my chess program exhibit this behaviour once. In my case what happened was that my qsearch returned a mate score after searching 3 plys. So when my program announced mate, it calculated the number of moves based on the number of plys searched in the main search, which was 4 plys. So I guess you can call this a bug, although not a serious bug. My qsearch will play captures, forced moves and pawn promotions. Maybe I shouldn't trust my qsearch returning mate scores?? Cheers, Tom.
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