Author: Ralf Elvsén
Date: 03:56:07 07/04/00
Go up one level in this thread
On July 04, 2000 at 04:28:36, blass uri wrote: >On July 04, 2000 at 02:34:55, Steve wrote: > >>On July 03, 2000 at 18:49:14, Torstein Hall wrote: >> >>>I'm not so sure that Junior will give better analysis than Fritz 5. They are >>>both fast searcher with about the same level of pos. knowledge. Anyway I feel >>>that all the programs give most tactical variations anyway, even Hiarcs 7.32, >>>considered among many as the most positional engine. >> >>I agree. Hiarcs 7.32 is great, but its strength (just like every other >>engine's) is tactics. Its analysis of endgames is often horrendous. >> >>> >>>I rather go for Crafty! Its free, has more chess knowledge than most of the >>>programs and runs as a native chessbase engine! >>> >>>Torstein >> >>A number of people have made the same observation in this forum. But whenever I >>play Hiarcs 7.32 against Crafty (running as ChessBase engine) -- generally at >>either G/30 or G/60 -- Hiarcs wins easily. > >The only game that I played Hiarcs7.32 against Crafty17.11 at 3 hours/40 moves >Crafty won and my observation was that hiarcs has a bug at time control that is >longer than G/30 or G/60 and this is probably the main reason that it failed in >the ssdf list. > >The bug is in playing and hiarcs could probably be a better program in >tournament time control if it knew to clear its hash tables after every move >because learning from previous search is bad if it is done in the wrong way. > >Uri I think you are too quick to draw conclusions. This "strange-moves-from- Hiarcs-that-can't-be-reproduced-by-others-bug" is well known, but how frequent is it? I have observed plenty of long time control games by Hiarcs 7.32 and it is very seldom I suspect this to happen. But who knows? I guess one would have to look carefully at every game afterwards. My personal quess is that keeping the hash tables is better, but I have no "proofs" . As to the strength of Hiarcs and Crafty, I have my own firm opinion but it is "unscientific" and I'll keep it to myself :) Ralf
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