Author: Vincent Diepeveen
Date: 07:00:19 01/31/02
Go up one level in this thread
On January 31, 2002 at 07:56:21, Albert Silver wrote: >>Say 200K is good for 8 plies average, being 1000 x faster with a branching >>factor of 4 gives: 4x4x4x4x4 = 1024 -> 5 extra plies. >> >>So with 200M NPS you might be able to search 13 plies brute force in best case. >> >>Subtract a couple of plies (1 to 3) for the way DB did singular extensions and >>the picture fits, that is: DB was searching 10-12 plies as the log files >>confirm. >> >>This 12(6) isn't 18, you must have misunderstood its meaning. >> >>Ed > >I will add this, as I cannot comment on the numbers and math presented. I have a >lot of trouble believing Kasparov would go down to a program hitting only 10-12 >plies in a 6-game 40/2h match. Either it is amazingly smart with a super eval, >which all evidence suggests it had serious tuning issues with, or it is doing >some very deep calculating. > > Albert the games were 2200 level Albert.
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