Author: Dann Corbit
Date: 20:55:20 11/13/01
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On November 13, 2001 at 23:51:33, Chessfun wrote: >On November 13, 2001 at 23:08:14, Robert Randolph wrote: > >>I am currently working on writing a new evaluation for my program.. I have been >>contemplating an eval based on positional aspects and no direct material count. >> >>For instance, a white knight on H1 would be worth maybe .2, but a white knight >>on E5 would be worth 3.2 Of course these are my actual eval values, but examples >>to better iillustrate my idea. >> >>Has this been done before with any success, or lack there of? >> >>If it was a plausible idea (as i beleive it could be) what would your >>suggestions be for positional advantages and disadvantages in this system, as >>they would be fairly differing than those of evals that also rely on material >>count. >> >>-Robert > > >TSCP Tom's simple chess program eval.c seems to address this >by adding the value of the location of the piece. > >If you have a look at eval.c you'll see the square value's >Tom used. > >Although Tom's website >http://ucsu.colorado.edu/~kerrigat/ appears to be down. > >This isn't exactly what your saying, it seems to be >a similar idea. Try here: http://home.earthlink.net/~tckjr/ Lots of programs have a similar idea in use. I suspect that the value is an artifact of shallow searches, but I might be wrong about that.
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