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Subject: Re: PVS and aspiration windows

Author: David Weller

Date: 06:55:22 08/06/04

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Tord,

I tried running GES on wacnew.epd w/ -INF +INF window and I actually
got 1% fewer nodes than with aspiration window(.30)!

however my correct solutions decreased significantly.

this may be because it is tactical though.

arghhh I hate this!  :)

Thanks for asking though, it made me look at it again. I have always had some
difficulty with PVS + aspiration. But, I thought I fixed it when I converted my
PVS to scout[null-window] search AFTER alpha improved and NOT AFTER 1st move
searched



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