Author: Stuart Cracraft
Date: 13:28:06 01/03/06
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On January 03, 2006 at 09:05:12, Brian Richardson wrote: ><snip> >> >>Indeed, Rybka already thinks in winning % rather than centipawns. It's just that >>current GUIs expect centipawns, so this is what is output. (This may change.) >> >>(The only minor issue here is "distance to mate".) >> > >Any chance you would be willing to post a formula estimating centipawns score >calculated from winning percentage? > >Perhaps it something like >f(x) = 1/(1+exp(-x/150)) >for graph see >http://www.compute.uwlax.edu/calc/output/137500/ > >or >f(x) = (1+tanh(x*.33/100))/2 >http://www.compute.uwlax.edu/calc/output/137503/ > >Thanks, >Brian Yes - that would be interesting.
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