Author: Enrique Irazoqui
Date: 05:54:53 09/28/99
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On September 28, 1999 at 08:40:06, Shep wrote: >On September 28, 1999 at 06:49:54, Bertil Eklund wrote: > > >>If H7.32 is weaker then H7.01 my guess it´s because of the table-bases that >>slows it down a lot in the endgame. If you have played both versions I guess you >>should have recognized it immediately. > >I wouldn't say it gets slowed down "a lot". I have never seen Hiarcs drop below >its usual middle game node count even during heavy tablebase access. >Maybe it would be faster without them, but certainly not to the point where it >is actually harmful. >If TB usage is indeed counterproductive, it is probably not related to decreased >search speed. >Example: FIN09 from Louguet II. Hiarcs 7.0 solves this in 18 minutes on my >P6-233 while 7.32 cannot solve it in 40 minutes! Yet this is a position where >a) Hiarcs does not slow down to a crawl (although it does probe them > a lot more than e.g. Nimzo) and >b) tablebases are quite useful IMO > >Besides, if indeed 7.32 plays weaker than 7.0 in general, it is definitely not >tablebase-related; for example in my recent big tournament, there were only two >games where Hiarcs ever probed the TB's, and neither of them was anything but a >draw anyway. > >--- >Shep I think that H732 is stronger than H701 (so does Mark), even if only because it's faster. But it also knows a bit better. I didn't notice significant slower searches when accessing tablebases, maybe because I copied them to disk. Enrique
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