Author: Andrew Williams
Date: 07:23:57 05/26/00
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On May 26, 2000 at 09:21:01, José Carlos wrote: > I'm curious about what search algorithms and heuristics do commercial and >amateur programs use, for example, null move vs no null move, PVS vs MTD(f) and >so on. > In Averno, I use PVS and AS, and haven't tried null move cause I'm a little >afraid of losing precision in short tactics, though I see most programs use null >move. > Junior is said not use null move. Do any other of you guys or commecial >programmers not use null move? If so, what are your reasons? > Who of you have tried MTD(f)? Why did you keep/discard it? PostModernist uses MTD(f). I like it and I'm still discovering new "tricks" to improve its performance. The main weakness is maintaining a sensible PV. I use my hash table and on long searches, I lose the end of the PV. > What other algorithms/heuristics are you using or did you discard? > > Thanks in advance. > > José C. Andrew
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