Author: chandler yergin
Date: 15:30:21 10/18/05
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On October 18, 2005 at 17:47:51, Uri Blass wrote: >On October 18, 2005 at 17:12:05, Robert Hollay wrote: > >> I apologize if this question sounds odd. >> But if it's true that chess game has a SOLUTION - the perfect chess game - >>then it should be logical that the top chess engines tends to that perfection. >>In other words, they will more and more often find THE BEST move in any >>position. > >There is often more than one best move. Sounds like an Oxymoron to me.. > >> If so, then their playing styles become more and more monotonous and are >>gradually moving to a uniformity. > >No because there is often more than one best move. Another oxymoron > >> Weak engines have very different styles, often very aggressive, so they are >>great for weak players to play against. But newer - and stronger - versions of >>these same engines are playing in a much more cautious style (see Golem). >>Similarly, strong engines have "personalities" to make their playing style more >>interesting, but the default personality is usually the strongest. > >No > >The default version is usually not the strongest because programmers cannot tune >every parameter to be the best because they may need thousands of games for >that. > >The pawn value in the default personality may be 100 >It is possible to increase the default value to 101 or to reduce it to 99 > >In most cases one of this options is going to be at least 0.1 elo stronger than >the default personality because programmers have not enough time to play more >than 1,000,000 of games to detect difference of 0.1 elo. > >Same for other default values. > >Uri
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