Author: Dann Corbit
Date: 16:08:57 07/25/00
Go up one level in this thread
On July 25, 2000 at 18:57:44, Tom Kerrigan wrote: [snip] >Throwing away what information? Ideally, chess positions are evaluated to one of >three values. If you have any more information than that, you can be sure it's >flawed. Really? You only score positions as +/-/0? Then how do you choose one when there are more than a single positive alternative? >If I aim to duplicate Crafty's evaluation function scores, then I will end up >recreating Crafty's evaluation function. That's not my intention. I think you will find that for a given depth of evaluation, correct evaluation functions generally agree to within a pawn or better. >I would like to be able to tweak one of my evaluation function weights and see >if it helps the function predict the outcome of the game better. If your evaluation function misses the mark by several pawns, it won't help predict the outcome of the game better. >I don't want to tweak the weight and see if it's bigger or smaller than the >weight that Bob uses. What about a weighted average of dozens of programs that are successful?
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.