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Chess: Man vs. Machine Debate Continues
Frederic Friedel sent in an interesting submission. It's an interview with the current world's chess champion, Vladimir Kramnik, in which they talk about the upcoming year in chess competitions, but also get into [Deep Blue] and where computer chess playing is versus several years ago, with a comparison between Deep Blue and Fritz. If you want more info, check out Chessbase for additional news.
Grandmasters can in fact tell whether their oponent is a computer, sometimes even after playing just a single game, and certainly by the end of a match. In fact, I believe Kasparov lost to Deep Blue precisely because he counted on the computeresque behavior of his opponent when designing his strategy. If you read the article, you will learn that Kramnik can tell computer programs apart by their style, and that he thinks Fritz is becoming more human-like in its behavior, from which I infer that he can still identify its style as computeresque on some level.
So, the test you propose has already been carried out, and the machines "failed". This may have more to do with the fact that the people who write chess playing programs are more concerned with the programs' ability to win than they are with the programs' ability to emulate the playing style of humans. If humans could calculate better [Note: "calculate" has a precise technical meaning in chess] or chess playing computer programs were slower and considerably more stateful, their respective styles might be much more similar and your test, therefore, be met.
My own belief is that the ability to play chess well, let alone the ability to play chess in the style of a particular grandmaster, is not an accurate or even adequate measure of intelligence, so I will not be particularly hurt when the day comes on which computers at last surpass our chess playing skills, just as they have surpassed our (numerical) computational skills.
Well known, perhaps, by people who have never heard of Go.
main(c,r){for(r=32;r;) printf(++c>31?c=!r--,"\n":c<r?" ":~c&r?" `":" #");}