Author: Dann Corbit
Date: 10:02:46 03/03/00
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On March 03, 2000 at 12:51:28, Ed Schröder wrote: [snip] >>This is official from the DB team, two different members confirming the >>notion that (x) is additional plies searched only by the hardware. I told >>vincent for several years that when they said "10" plies they meant something >>different than he did. This was common knowledge for deep thought. I just >>never thought to re-state it since it was mentioned so many times at the ACM >>events they participated in. >> >>11(6) suddenly becomes frightening, doesn't it? :) > >Maybe, maybe not :) > >Nowadays chess programs have a branch factor of 2-2.5. DB has a branch >factor of 4. Every doubling in PC speed we are almost hitting one ply >deeper, coming closer and closer and eat the thing for dinner in the end :) > >Alarming doesn't it? :) Their depth estimates are very strongly under reported. The depths that they publish in the output are the "minimum" depth searched, in any direction. For extensions, they often get two to three times as deep. How's that for frightening? ;-)
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