Author: Ed Schröder
Date: 08:54:56 10/17/03
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On October 17, 2003 at 11:18:43, Francesco Di Tolla wrote: >On October 17, 2003 at 06:42:03, Ed Schröder wrote: >>When there is something better I will provide it, but... it has to be in synch >>with the Windows Rebel. Providing a stronger DOS version automatically will mean >>a new Windows version too otherwise there will be confusion. >> >> >>>A better style? What do you mean? >> >>Style = Personality = Engine Parameters >> >>There still is potential in the engine parameters, I am not exactly satisfied >>with the current settings, it takes time to find out. >how do you procede here: I mean, I guess you are not interested in the pure >eng-eng competition in this research. >So what do you look for when you test a style? Just play and look how it behaves >and if you like it or you try to reproduce GM games? Hi Franz, Nowadays I do it in 3 steps, first step is manually running about 150 selected test positions of all kind, after this first smell of about 2½ hours I run a bigger automatic testset of 700 positions that produces all kind of statistics, makes comparisons with previous versions. If it still looks good I move the version in eng-eng mode, the most time consuming and boring part, takes about 4 days. I currently have 25 test versions on this list. Go figure. After that one is still not there. Suppose from the 25 versions only 8 produce a somewhat better result then it doesn't mean you automatically can combine them because it is quite well possible that 1, 2, 3... of these 8 bite each other and you would endup with a weaker engine. Thus... a new process is started to find out which of the 8 candidate improvements can live in peace with each other. In the meantime you are 4 months further. This ends a chess programmers diary, take my words for it many engine programmers do something similar. My best, Ed
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