Author: Mark Young
Date: 19:37:18 01/01/04
Go up one level in this thread
On January 01, 2004 at 20:55:49, Bob Durrett wrote: > >Suppose someone wanted to produce a chess-playing program which emulated the >play of a human rated 1200 to 2200. > >Rhetorical Question: "How would one go about doing that?" > >The first step must surely be to produce a high-fidelity model of the thing that >is to be emulated, in this case the human amateur chessplayer, or at least to >model the output of that thing. > >Perhaps it would be sufficient to produce a "black box" which outputs moves >which are ***statistically*** similar to those observed from the human amateurs. > In other words, a "black box" chess-playing program which outputs moves having >the same statistical properties as the outputs of the thing being modelled [the >amateur chessplayer] might be sufficient. > >This could get very involved, but consider one simple example: > >Perhaps the two most dominant features of the moves of "the thing to be >modelled" is the high number of tactical blunders per game and the high number >of missed tactical opportunities per game. These two things could be evaluated >statistically with measured performance rating as a parameter. > >To correctly emulate these two items, it would be necessary that the "character" >of these be the same. In other words, Turing's Principle needs to come into >play. The "tactical blunders" and "missed tactical opportunities" need to be >essentially indistinguishable from those produced by "the thing to be modelled." > >The same would have to apply to all statistically significant properties of the >output [i.e. the moves] of "the thing to be modelled" [i.e. the human amateur >chessplayer]. > >Does this sound right? > >Has any chess software tried to do this? > >Bob D. Chessmaster and Chessbase programs like Fritz and Shredder try to do this. In Fritz and Shredder you can play a rated game against the program with it playing at a certain elo level. I don't know how accrate the program plays to the programmed elo level, but in Fritz and Shredder it does make the programs very beatable when set to a level below 2000 elo.
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