Author: Eelco de Groot
Date: 03:04:16 06/18/05
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On June 17, 2005 at 15:52:03, Kaj Soderberg wrote: >Thank you Ed, > >Now i can use my old favourite good tactical, and yet positionally sound, engine >and compare it with "Silver". > >By the way, i have noticed that Pro Deo sometimes (not often of course)in the >end sort of crashes in analysis mode. The suggested move seems correct and the >evaluation too, but in the suggested variation it gives away tons of material >for no reason at all and therefore should lose. I found this out at 400 mb hash >and then checked it on 200mb to see if it is maybe a hash problem, but the >problem still occurs. Rebel 12 did the same (again not often) in analysis mode. >In DOS i have never seen this occur. > >I run the beast under ChessPartner with Intel Centrino at 2ghz end one gig of >memory. Any idea what could be the case, or is it just a problem with displaying >the right variation? I seem to remember that Thorsten Czub once run into >something similar. > >Best regards, > >Kaj Hello Kay, maybe you could post some examples of analysis and the FEN's of positions analyzed, to see what Pro Deo says on another computer? These are not really crashes, maybe difficult to investigate but it might help to see if it is reproducible. I've seen lines that seemed not very exact from Pro Deo but can't remember lines where Pro Deo gives away a lot of material in the PV. Regards, Eelco I,ve been trying to find if the first crash I saw really was after about 24 hours, but I cannot be sure anymore. I have not yet tried to do another 24 hour analysis. It might also conceivably have been a problem in Chesspartner or in the communication between Chespartner and Pro Deo? I'm saying that because, other example, in a match in ERT between Gandalf and Pro Deo, Gandalf thought longer than 20 minutes. This caused a timeout in ERT because I had set the interval for a timeout in Engine Research Tool at twenty minutes. The endresult was however a crash of Pro Deo, I think because it did not get some communication to terminate the program because the match was aborted. But no log from Dr. Watson about this, so it was a different sort of crash I suppose. I was hoping there could have been some clue in CP displaying an evaluation like Best Move and Score : Bxh7 2228224.00 that I posted in the analysis from Michael Drexel's position in my post yesterday, as it is such a strange number. Eelco
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