Author: Michael Williams
Date: 14:25:02 04/08/02
Go up one level in this thread
On April 08, 2002 at 17:16:05, James T. Walker wrote: >On April 08, 2002 at 11:24:14, K. Burcham wrote: > >>On April 08, 2002 at 11:01:45, James T. Walker wrote: >> >>>On April 08, 2002 at 10:46:12, Jeroen van Dorp wrote: >>> >>>>You must change the contempt value through the engine parameter dialogue box. >>>> >>>>Right click on the engine name at the top of the engine window and click on >>>>engine parameters. Now adjust the contempt value in pawn value (1 pawn = 100) >>>> >>>>From the help file >>>> >>>><quote> >>>>Contempt value: A very strong program can sometimes trick itself into a draw by >>>>showing too much respect for the opponent. On a fast machine, the program may >>>>suddenly start to repeat moves, because it has seen some very deep lines which >>>>is slightly better for the opponent (even though the opponent has no chance of >>>>actually finding the line). To counteract this tendency, we have introduced a >>>>"contempt factor", which essentially tells the program to play on against weak >>>>opponents. >>>> >>>>Setting a positive contempt value will cause the program to avoid draws, while a >>>>positive value will make it go for a draw even if it thinks it is better. This >>>>essentially shows respect for the opponent. The value is in hundredths of a >>>>pawn, so setting 50 means that the program will play for a win, even if it >>>>thinks its half a pawn down (which can easily be the case in certain openings). >>>>If the program is playing against a top grandmaster it is usually better to set >>>>minus 50, so it will play overconfidently and take a draw if the opportunity >>>>arises. >>>></quote> >>>> >>>>J. >>> >>>That's the biggest bunch of gobbledygook I've ever seen. >> >>why are you saying that James. or are you kidding. are you saying that this code >>cannot be written. please explain your opinion, unless you are just >>joking. >>kburcham > >Hello Ken, >I'm not kidding. Do you mean to tell me you understand the first sentence of >the second paragraph? It contradicts itself all in one sentence. > >"Setting a positive contempt value will cause the program to avoid draws, while >a positive value will make it go for a draw even if it thinks it is better." > >How can a positive setting cause it to both "avoid draws" and "go for a draw"??? > >I'm getting old so maybe my reading comprehension has deteriorated recently. Do >you work for Chessbase? >Jim Convert the second positive into a negative, I think it was a typo... "Setting a positive contempt value will cause the program to avoid draws, while a negative value will make it go for a draw even if it thinks it is better."
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