Author: Matthias Gemuh
Date: 07:48:30 03/16/03
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On March 16, 2003 at 08:18:35, Joel wrote: >Hey Albert, > >I have an Athlon XP 2100+ and an engine which is quite weak - around about the >strength of the 60-70th ranked engines in the WBEC-Ridderker. See >http://wbec-ridderkerk.nl/ > >Currently if I let my engine have a 5 second think, I get 264/300 answers >correct. > >My engine is no speed demon - just a simple alpha beta search (no forward >pruning) called with an aspiration window. I have worked a lot on my move >ordering, so my branching factor is pretty close to optimal. > >Seems to me you have some bugs. The ones I found which really pulled down my >scores were the ones to do with the quiescent search. > >Other than checking closely for bugs, the easiest way I found (as Uri mentioned) >to improve your score is some check extensions. > >So long as you are hitting a reasonable depth (6-8 in complex positions, 10+ in >the endgame ones) in most of the positions, you should definately be solving at >least 240). > >Regards, >Joel Hi Joel, on +1800 GHz and 5 sec, I also hit (only) 263/300 (and mostly 100 nps only). My BigLion is the buggy engine (http://www.gemuh.de). /Matthias.
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