Author: Bertil Eklund
Date: 06:39:08 09/28/99
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On September 28, 1999 at 08:54:53, Enrique Irazoqui wrote: >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 Hallo! I have them on my disk but I can see the nps go down from say 90-100 to 50-60, it´s not that much but significant I think. Regards Bertil SSDF
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