Author: martin fierz
Date: 14:03:59 04/16/02
Go up one level in this thread
On April 16, 2002 at 04:39:44, Uri Blass wrote: >On April 16, 2002 at 03:58:08, Steve Maughan wrote: > >>Martin, >> >>>aloha! >> >>The warmer climate is starting to show ;-) >> >>>i just received my fritz 7 copy, and played a couple of blitz (4'+2'') against >>>it. i tried playing anti-computer, in the sense that i just tried to hold a draw >>>as white. of course, i didn't succeed :-) >>>in two games, i took back a move, and managed to draw, but what disturbs me is >>>the evaluation of fritz in the 2 final positions (which are dead draws): >>> >>>[D] 8/4k3/8/p1p3p1/1pP1p1p1/1P2PpP1/P2K1P2/8 w >> >>Just tried the easier position with Shredder 6.02 which gives Black +2.2. These >>type of positions, with a pawn chain, are notoriously tough for computers. The >>computer is seeing that Black has an extra pawn and they are advanced - assuming >>that Black can break through the computer is correct. In this situation the >>assumption is wrong! >> >>Regards, >> >>Steve > >Yes > >I know that a friend of me is disappointed from shredder and based on his >analysis of his correspondence games say that shredder is only another program >that knows nothing about endgames and the evaluation of Fritz or Junior are >closer to the truth. this is the reason i asked - if a program believes this position to be +1.4 or +2.2, then it will go for this position instead of another promising continuation. when you analyse games and the computer tells you you should have played this and won, it's funny and not funny at the same time :-) talk about comps being GMs... cheers martin > >I wonder what is the knowledge of shredder in the evaluation function that other >programs do not have. > >Does shredder know to evaluate the last endgame hiarcs8-smirin correctly? >My impression based on analysis with shredder5.32 is that it only after >understanding that the pawn d6 is trapped by search it understands that black >has better chances but I cannot be sure that the latest shredder is not better. > >Uri
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