Author: Sune Fischer
Date: 05:05:28 03/29/04
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On March 29, 2004 at 07:25:54, Roberto Nerici wrote: >On March 29, 2004 at 06:17:15, Sune Fischer wrote: > >>On March 29, 2004 at 05:48:37, Steven Edwards wrote: >> >>>See: http://mitpress.mit.edu/e-books/Hal/chap5/five1.html >>> >>>Any comments on the second paragraph? >> >>You mean this piece: >> >>"The question of whether HAL's chess ability demonstrates intelligence boils >>down to a question of how HAL plays chess. If, on the one hand, HAL plays chess >>in the "human style" -- employing explicit reasoning about move choices and >>large amounts of chess knowledge -- the computer can be said to demonstrate some >>aspects of intelligence. If, on the other hand, HAL plays chess in the computer >>style -- that is, if HAL uses his computational power to carry out brute-force >>searches through millions or billions of possible alternatives, using relatively >>little knowledge or reasoning capabilities -- then HAL's chess play is not a >>sign of intelligence. " > >I've got this book; IMO it's a good book. It uses the Hal Legacy narrative as an >excuse to bring together a collection of individual articles that are otherwise >not really related, but which I found interesting. I wouldn't have read any of >them (apart from maybe the chess one) in more specialised collections. > >But back to the chess bit! If I remember correctly, Murray Campbell's point is >based on the observation that Hal plays a non-optimum "trappy" move. The >intelligence is that it knows a very effective move _to make againt Dave_ (or >whoever it's playing) because it knows Dave and it knows the kind of mistakes he >makes, rather than it just making the theoretical "best" move. Yes, patzer chess. Not something I'd recommend, your might underestimate your opponent, perhaps he has learned from last time. Still Crafty and many other engines do a bit of swindle mode and assymmetric evaluation which has a bit of the same smell to it. -S. >Roberto/.
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