Author: James Robertson
Date: 08:38:10 01/29/00
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On January 29, 2000 at 05:58:28, Daniel Clausen wrote: >Hi >On January 29, 2000 at 02:03:25, James Robertson wrote: >[snip] > >>Yes, Crafty penalizes itself for undeveloped pieces more than the opponent. >>Don't know why. :) > >It does make sense to penalize this more for itself than for the opponent, >especially if the opponent is human. The reason is prolly to avoid positions >where you might be a pawn up but with a big disadvantage in development. >In these type of positions the eval of the comp often drops pretty fast after >a few more played moves. Of course it's too late then already, so you better >avoid it before. :) > >Although I see the practical use of this assymetric eval, I would never use >it myself. (Did i just say never?) It's similar to this: if you play DB and >it looks like DB hangs a piece, there are 2 reactions: > >1. Analyse the position for 100 years and find out why you better don't > take the hanging piece. > >2. Just don't take the hanging piece, because you know there *must* be > something bad if you catch it. :) You know something interesting: if the program Zzzzzz is playing another program that is known to be much stronger, then its programmer inserts the clause "don't take pawns that appear to be free, because they probably aren't". I don't know if it worked any, but it is an interesting thought.... James > >While the 2 reaction is practical, I think it's not really chess-like. :) >IMHO!! :) > >Kind regards, > -sargon
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