Author: Slater Wold
Date: 12:35:47 03/27/02
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On March 27, 2002 at 15:09:05, ALI MIRAFZALI wrote: My responses, based on the hundreds of hours I've spent reading about this project. >As i have read in theses messages;You believe that Current programs >are stronger than the 1997 Deeper Blue.Since that was a dedicated machine not a >program that can be run on different Computers I have the following questions. > 1.What Elo would the 1997 version of Deep Blue get on the SSDF >(this is a hypothetical question;that is if SSDF tested Deep Blue.) 2890. > 2.Same question for the 1996 version. 2675 > 3.How important is pruning? Why or why not do the current programs >have better pruning than Deep Blue? Deep Blue didn't prune. Brute force, no null move. Hsu looked into null move, however he felt against Kasparov, that it might be a risk. Therefore he didn't use it. On a 1.0Ghz machine, that extra ply from pruning is a make or break thing. At 200M nps, you've got some nodes to spare. > 4.If current programs (shredder 2715 Elo on 1200 Mhz For example) >are indeed sronger than Deep Blue 1997;What specifically makes them stronger? They aren't. They won't be for a long time.
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