Author: Robert Hyatt
Date: 07:16:21 01/04/99
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On January 04, 1999 at 00:23:26, blass uri wrote: > >On January 03, 1999 at 23:55:45, Robert Hyatt wrote: > >>On January 03, 1999 at 21:18:11, Leon Stancliff wrote: >> >>>Bob Hyatt, >>> >>>I think you could probably answer this question if anyone can. Do you know how >>>the rating increases with ply depth. I have seen a figure of 200 points increase >>>per ply. I do not believe this would be a constant figure. My Hiarcs 6 will >>>normally reach 7 ply and sometimes 8 ply in the middle game. Do you have any >>>kind of graph showing what might be expected with each ply increase from 4, 5, >>>6, 7, 8 or 9 plies in the middle game. Does the increase in rating decrease as >>>one moves to higher levels? In other words, do you get as more increase as you >>>move from 7 to 8 than you do from 8 to 9. >>> >>>If anyone else has information on this topic please feel free to add your >>>comments. >> >>A very hard question. I believe that "dumb" programs get less from another >>ply than "smart" programs. At shallow depths, another ply helps _every_ >>program avoid/find tactics. At deeper depths, tactics fade out somewhat and >>if the program has little positional knowledge, it won't be able to get any- >>thing out of the extra plies. A smart program will continue to improve, >>however, as it simply finds deeper "plans" to use its positional knowledge. >> >>How you categorize the various programs would be fun however, as that would >>start a small war here. My best guess would be to simply take a common >>cpu and run all the programs. In general, the faster the NPS, the "dumber" >>the program, since the eval is the best place to pick up speed (IE in Crafty, >>I spend over 50% of my time in Evaluate() which is fairly high by today's >>standard. Although programs like Hiarcs are probably at 75% or so, while a >>program like Fritz is likely at 10% or less.) > >I do not think that Hiarcs earn more from time >I read that Hiarcs7 is good at blitz. > >If you were right then I would expect hiarcs7 to have better results at >tournament time control(relative to blitz) but I did not see it. > >Hiarcs7 won Junior5 at blitz and lost 6:4 against Junior5 at 40/40 games of >enrique. > >Uri I don't think I said that... What I said was that on a ply-by-ply basis, a program that is "smarter" gains more than a program that is "dumber". This based on personal observation more than anything. However, I haven't seen Hiarcs thump fritz, watching blitz games on ICC. Fritz usually wins blitz matches quite handily.
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