Author: Tony Werten
Date: 02:09:18 03/19/02
Go up one level in this thread
On March 19, 2002 at 05:04:15, Tony Werten wrote: >On March 19, 2002 at 04:34:28, Steve Maughan wrote: > >>Ulrich & Tony >> >>>>This means your bestmove will "fail low", and not get recorded as bestmove. >> >>As Ulrich states this isn't really a problem as you just retirn 100 (in your >>example) and the PV stops at this node. The issue that I think you may be >>alluding to is that when this move is then stored in the hash table there will >>not be a move associated with it as it's a fail low - but there will be from the >>previous search. > >Wow ! Does this mean that when you enter a node with a bestmove from hashtable >and this node fails low, you keep the best move ? Sorry my mistake. You mean the entry will not be overwritten since the old one has a bigger draft. Hmm, seems to indicate I was talking complete crap. So where do those short pv's come from ? I'll think a bit about it while doing some work. Tony > >Not a good idea. > >Tony > >> >>I've played around with it and the result is that one sometimes gets annoyingly >>short PVs. I still don't like the idea of lowering beta. I'll tinker some >>more, >> >>Thanks, >> >>Steve
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