Author: blass uri
Date: 14:15:06 01/24/00
Go up one level in this thread
On January 24, 2000 at 15:54:03, Robert Hyatt wrote: >On January 24, 2000 at 14:04:01, Ernst A. Heinz wrote: > >>>> [...] >>>> >>>>Hitech isn't a lot weaker, if it is any weaker. It was a very strong program, >>>>it just was the wrong hardware design to 'keep up' with general-purpose computer >>>>advances. I would put hitech on a par with today's programs, or at least with >>>>programs on machines prior to the 500+mhz machines. Hitech was very fast and >>>>had a good search... >>> >>>Having watched and played Hitech in Hong-Kong, I estimate its strength to be >>>slightly lower than the top micros on '95 hardware, i.e. about SSDF 2350. >>> >>>Amir >> >>I completely agree with you on this point, Amir. >> >>"Hitech Hong Kong '95" searched around 150K nps and reached >>iteration depths of 8-9 plies in the middlegame. >> >>On of the main problems with its hardware was that it did >>*not* support futility pruning which made it lose at least >>one ply in overall iteration depth. >> >>=Ernst= > > >Sure, but it did full singular extensions and the rest of the things we were >all doing then. I don't use futility pruning now. I am convinced it is too >risky after fiddling with it for a couple of years. Null-move by itself has >enough interesting problems for me to handle... HiTech certainly had a USCF >type rating of around 2400... I don't think programs of 1995 were at that >level, or at least certainly not beyond it... I read that Fritz3 on pentium90 did an international master norm in a tournament of 9 rounds. The GM's had problems against it because they believed in themselves and did not prepare for it. Masters who did their home preperation got better results against it. Hitech had an advantage relative to Fritz in tournaments against humans because humans could not buy hitech so I guess that hitech was weaker than Fritz3(p90) Uri
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