Author: Robert Hyatt
Date: 11:43:05 05/07/01
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On May 07, 2001 at 12:30:30, Vincent Diepeveen wrote: >> >>No, he didn't "prove" anything at all. You can't take output from a program, >>output that is incomplete due to the way they produce their PV, and then try to >>draw conclusions from it. Any more than you can take evaluations and draw >>conclusions from them without any idea of what the evaluation looks like >>internally... > >It's hard to argue with scores produced Bob!\ Why is that? Crafty vs Diep. Crafty says +2.5, Diep says -.2, Crafty wins. Big score difference. You do things (queen is way better than 2 rooks, for example) that I consider unsound. But if you _just_ look at the scores, you can't conclude very much without a PV to show whether I see winning more material and you haven't seen it yet, or is this a pure positional thing... You are just looking at the scores, since you can't possibly see the PV from DB. > >Also it fits into the picture. I remember once you posted that they >tuned their search parameters using 1 ply searches using automatic >testing & tuning. I didn't report that. They did... > >That never worked for me actually. Not a single machine can tune my >parameters like i can tune them! And i tune myself pretty when compared >to what is possible! That doesn't mean it didn't work for them... You change your mind more often than the weather changes. 1. A cluster can _never_ work playing chess. 2. I am working on a cluster version of Diep that will be ready soon. make up your mind... Just because _you_ can't do it doesn't mean nobody else can. I did things in the Cray Blitz parallel search you can't do easily... They can also do things you can't do easily... > >However that sort of tuning makes more sense to me >when using preprocessor tables! Always stay in that box when thinking... Don't ever think bigger...
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