Author: Thorsten Czub
Date: 04:34:33 12/27/05
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On December 27, 2005 at 06:54:59, George Tsavdaris wrote: >>this version got arround 60-65 % against fruit,fritz and shredder. > Since this H10 version scored so good against these top programs why he didn't >made it the final H10 version? If you know of course.... Was it because it was >good only at short time controls, long TC, because it did worse with other >opponents, etc...? I think this version/style played good in all time-controls. there is another problem. while you test on XYZ version, the programmer is producing more and more versions. so HE tests in version n+7 while you have n. of course any programmer most often believes that n+7 is "the best" because it is the latest. another point is: you do not only have ONE tester. so you get many different confusing results. AMD CPU's produce different results than INTEL CPUs. Big cache cpu's produce other results than small cache cpu's. also almost all people in this testing pool have different hardware. some choose Nunn-position-matches, others choose opening books. other play on the playchess server with the version n+x and THERE we have also often different hardware. so the question: which is the best version under which circumstances is very difficult to find out. IMO you have to work very diciplined and you have to collect data and make lists and ask all members and and and. this takes much time only for bookkeeping the data in an accurate way. of course i have to say that RYBKA was not a target of this version. it worked pretty well against fruit, fritz and shredder and other programs of that time. but it was never tested well (with different settings) against rybka. simply because rybka did not exist. when rybka came out i did some first testings with the chosen (dvd) version h10 and my favourite. but both failed against rybka. it was clear that a new styling had to be made. this resets the testing to the beginning. only that you NOW have to find out against one opponent more.
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