Author: pavel
Date: 12:39:55 08/26/01
Go up one level in this thread
On August 26, 2001 at 05:38:51, Uri Blass wrote: >On August 26, 2001 at 05:16:15, Mike S. wrote: > >>On August 25, 2001 at 21:42:43, Vincent Diepeveen wrote: >> >>>let's look to facts, ignoring it played kasparov >>> - deep blue searched between 11 and 13 ply, most likely 12 ply >> >>I have read that it searched deeper (the SP/2 8...9 plies during the middlegame, >>and the chess hardware 5...7 ply additionally each). This would mean, it should >>have searched 13 ply minimum, up to 16. >> >>I've seen an example of the log files which was published, where DB searched 17 >>plies for the move 35.Bxd6 in game two of the Kasparov match (full board, only 2 >>minor pieces were exchanged in that position). >> >>I doubt 12 or 13 ply, admitting I haven't looked into the log files (yet). >> >>Regards, >>M.Scheidl > >people do not agree about the meaning of the logfiles and vincent believes that >11(6) means 11 plies and not 17 plies. > >IBM claims that 11(6) means 17 plies but vincent does not believe them. > >If 11(6) means 17 plies then the impression that I got based on analysis of the >logfiles is that other programs have better extensions than Deep blue because I >saw cases when they can see the same start of the main line at smaller depthes. > >If people are interested in comparing the analysis of Deeper blue with the >analysis of Deep Fritz or Junior7 or Crafty18.10 then I have no problem to help >but I am not going to do alone all this project of giving top program some hours >for every position that Deeper blue pondered. > >I think that complete analysis of these positions by other programs may give >better information and we can see in cases that both saw the same line if the >commercial programs are faster or Deeper blue is faster. > >It seems that nobody or almost nobody except me is interested in the analysis of >the positions from these games for hours so I do not do it because if I do it >alone or almost alone it is going to take too much time. > >If I spend 5 hours per position and use my computer 20 hours per week for Deeper >blue-kasparov games then I need years to finish the job and I am not interested >so much in the problem in order to give my programs more than 20 hours per week >or to wait years for all the relevant information. > >Uri I am interested to contribute, just send me an email to pmahamood@aol.com and let me know how I can help you. pavs...
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