Author: martin fierz
Date: 13:01:55 09/13/02
Go up one level in this thread
On September 13, 2002 at 15:07:46, Dieter Buerssner wrote: >On September 12, 2002 at 18:30:07, martin fierz wrote: > >>On September 12, 2002 at 16:50:38, Dieter Buerssner wrote: >> >>>On September 12, 2002 at 16:10:38, martin fierz wrote: >>> >>>>bestvalue = -mate; >>>>for all moves do >>>> { >>>> value = -search(-beta,-alpha,etc); >>>> bestvalue = max(value, bestvalue); >>> alpha = max(value, alpha); >>>> if(value>beta) > >Oops. As Uli pointed out, this should of course be >=. But we can blame Robert >Hyatt for this one :-) I just copy pasted from his post, and you probably did >the same. right :-) i did check back in my code though, just to make sure it was ok there... aloha martin >>>> break; >>>> } >>>>return bestvalue; >>>> >>>>is there anything wrong with this? >>> >>>Pehaps you left it out on purpose - but this code snipped is missing an update >>>of alpha. For example at the place, I suggested above. >> >>hi dieter, >> >>you are right, i left it out, half on purpose i guess. it just seemed irrelevant >>to the return value. but it's in my code - although it's really unnecessary: in >>MTD you always fail, so you never have to update alpha. > >Another oops. I totally forgot the context of the post (which is quite clearly >shown in the title). I of course totally agree with you. > >Cheers, >Dieter
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