Author: Joel
Date: 05:18:35 03/16/03
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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
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