Author: Peter Kappler
Date: 01:05:35 12/20/01
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On December 20, 2001 at 03:30:13, Severi Salminen wrote: >>Either you have extremely good move ordering, you have a bug, or you're counting >>in quiescence search also, which is "cheating". 96% is very very high. Crafty >>gets 90% here. > >I also tested with Crafty and did a search to same depth than on Requiem and got >worse percentage and wondered waht causes the difference. You were right, I >_was_ counting in qsearch also (I had thought it was the standard), BUT: when I >removed the calculation in qsearch the figure increased by 0.2 (95.9% -> 96.1%). >And without null moves it was still 98.9%. So I guess I have an "extremely good >move ordering" :) But it was only this position, on other positions the figure >might be lower (or highr on the other hand). > 96-99% is incredibly high - it's hard to believe, actually. Could you post the test position you're using? It would also be nice to know if these numbers are repeatable over a large set of positions. -Peter >This is how I calculate (this is done, if score>=beta): > >FailHighCount++; >if(moves_searched==1) > FirstMoveFail++; > >This is not done in rootnode, so it might bias the results ;) > >Severi
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