Author: Magoo
Date: 12:14:04 07/01/03
Go up one level in this thread
On July 01, 2003 at 14:27:57, Ralph Stoesser wrote: >On July 01, 2003 at 14:21:12, Tom Kerrigan wrote: > >>On July 01, 2003 at 13:32:19, Ralph Stoesser wrote: >> >>>Hello *, >>> >>>Why no top engine uses neural networks for positional evaluation in non-tactical >>>situations? Are there interesting publications about neural networks and chess >>>programming? >>> >>>Ralph >> >>Neural networks are for analyzing things that are >>"fuzzy"--voice/image/handwriting recognition, etc. Chess is a very exacting >>game. (It makes a big difference if your rook is on d1 vs. e1.) I doubt neural >>networks will ever be useful for chess. >> >>-Tom > >I know that the worlds best backgammon program (snowie) use neural networks with >great success. Yes, but things are different with chess. In backgammon, you don't need to do deep searches. Backgammon is a randomized game, chess is not. There have been attempts, but not that succesful, i have looked at KnightCap, which uses standard minimax with a ANN to evaluate the quiet positions.It has a rating of about 2200 at FICS... pretty good, but no way near the top. I guess a program with minimax only counting material would have a rating near that. Like they say, chess is 99% Tactics. Nothing beats deeper searching.
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