Author: Will Singleton
Date: 20:20:17 08/16/02
Go up one level in this thread
On August 16, 2002 at 16:37:19, Peter Fendrich wrote: >On August 16, 2002 at 15:12:36, Odd Gunnar Malin wrote: > >>On August 16, 2002 at 13:14:37, Will Singleton wrote: >> >>>On August 16, 2002 at 03:09:05, Odd Gunnar Malin wrote: >>> >>>> >>>>I made a tool for automatic tuning of an engine but there have been zero >>>>feedback on this so I guess most found this sort of tools useless. >>>> >>>>Odd Gunnar >>> >>>What tool was this? >> >>This was a tool that looped through a testset (epd-file) and adjusted evaluation >>for each run. >> >>If you f.ex. had command in the engine like this: >> >>set bishoppair 40 >>set rookonseventhrank 30 >>set doublepawnpenelty -20 >>etc. >> >>You tell the program with a input file like this: >> >>(Command|Min value|Max value|Step) >> >>set bishoppair|0|80|10 >>set rookonseventhrank|0|70|10 >>set doublepawnpenelty|-50|0|10 >> >> >>It could loop throug all possible values for these settings and save the best >>setting to a file. >> >>Ex. first run >> >>set bishoppair 0 >>set rookonseventhrank 0 >>set doublepawnpenelty -50 >> >>Next run would be with step = 10 for bishoppair >> >>set bishoppair 10 >>set rookonseventhrank 0 >>set doublepawnpenelty -50 >> >>etc. >> >>If you download the file >> >>http://home.online.no/~malin/sjakk/download/GradualTest.zip >> >>It should be in there, it is called adjusteval.exe >> >>The source file is here: >> >>http://home.online.no/~malin/sjakk/download/GradualTest_src.zip >> >> >>The hard task is naturly to find enough position where the right move could be >>found with pure evaluation, or at least with a searchdept of 2 - 3. >> >>I used Dann Corbit's quiet possition for this with first take away all moves >>that needed some searchdepth to find. I used the gradualtest (also in the >>packed) for this sou I could automatic the process. >> >>I also had another thing in my thought when I made it. To make personalities for >>my engine. It could be easier to find position for this because you don't look >>for the overall best move. >> >>Odd Gunnar > >I tried that but couldn't get it to work for some reason so I build the function >inside Terra instead.... > >Peter Did either of you find a large enough test-suite to make this worthwhile? What was your experience as to the benefits vs. hand-tuning? Will
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.