Author: Tony Werten
Date: 01:02:56 03/22/00
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On March 21, 2000 at 20:06:10, Andrei Fortuna wrote: >In my chess program Freyr I've used simple alpha beta from the start, each time >I tried to change it to pvs/negascout it didn't work as expected because it just >generated too many nodes. Does anyone else experienced this behavior ? Is there >a logical explanation for this ? > >Here's an approximation of the simplified code I used : > >Search(alpha, beta, depth, ply) It looks quite normal. ( if I'm not overlooking something ) Maybe the problem is in what you do when you get a fail high/low back to the root. In normal alpha/beta this happens less, wich could explain the difference. Tony
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