Author: Bob Durrett
Date: 16:29:38 11/14/02
Go up one level in this thread
On November 14, 2002 at 13:34:05, Ron Murawski wrote: >On November 14, 2002 at 03:26:47, Daniel Clausen wrote: > >>On November 14, 2002 at 01:47:38, Ron Murawski wrote: >> >>[snip] >> >>>A computer never knowingly plays a true sacrifice. All it can do is make the >>>move that will get it the highest score, aka "best move". >> >>And that is different to how humans play a sacrifice exactly how? Computers are >>a bit more number-centric than humans, but that is true for the >>non-sacrifice-moves as well as the sacrifice-moves. >> > >The distiction is this: a human can make a move based on gut-instict or based on >experience from playing other similar positions, a computer cannot. Maybe it would be more accurate to say that currently available chess engines DO NOT. The word "CANNOT" seems speculative. Bob D. >If a chess >player knows his opponent he might play a slighly inferior move knowing that the >other player is uncomfortable in certain situations whereas a chess engine will >never play a slightly inferior move. In order to get a computer to play a true >sacrifice, you have to give a large enough positional bonus to fool the engine >into thinking it's gaining something. Most computer programs are very >materialistic and it's difficult to "fool them" this way. > >> >>>In order to get an engine to play a knight sacrifice, you must award enough >>>attacking bonuses to outweigh the loss of the knight. >> >>And a human has to see and evaluate the attacking chances too to outweigh the >>loss of the knight. Again, how is that different? >> >> >>>My own engine attempts to do this and I find that sometimes it works and >>>sometimes it doesn't. >> >>As it does with humans.. just ask Kramnik. ;) >> >>Sargon > >Notice that it was Kramnik who sacked his knight, not Fritz. It seems the top >commercial engines won't sac unless they see paydirt in the lookahead. > >Ron
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