Author: Chessfun
Date: 07:48:35 07/29/00
Go up one level in this thread
On July 29, 2000 at 10:12:48, Albert Silver wrote: >On July 29, 2000 at 03:50:59, Terry Ripple wrote: > >>On July 28, 2000 at 15:45:15, Christophe Theron wrote: >> >>>On July 28, 2000 at 01:05:53, Terry Ripple wrote: >>> >>>>Used an AMD K6-2, 266Mhz, 64Ram, Ponder off, 16Mb Hash per engine. >>>> >>>>If anyone cares to see some or all of the games, i will be glad to post them. >>>> This match shows how close the strengths are between these two fine engines! >>>> >>>>Best regards, >>>>Terry >>>> >>>>Blitz:5' 2000 >>>> >>>> >>>>1 Fritz 6 158.0/306 >>>>2 Hiarcs 7.32 148.0/306 >>> >>> >>> >>>No offense intended Terry, but you cannot say with this match which program is >>>the best. >>> >>>The result of this match is 51.63% in favor of Fritz. >>> >>>I don't have the typical margin of error for 306 games, but I know that for 400 >>>games it is +/-2.5% (80% confidence) and +/-2.1% (70% confidence). >>> >>>So even if you got this 51.63% with a 400 games match, you couldn't say which >>>program won because 51.63% is between 47.5% and 52.5% (80% confidence). You >>>couldn't even say Fritz is better with 70% confidence. >>> >>>That's the problem with chess matches results... You have to apply some >>>statistic formulas and sometimes you discover that the match does not say which >>>is best... >>> >>> >>> >>> Christophe >> >> Please explain where you may get a margin of error when there isn't a human >>operator making any moves on the chess board? Please, i would like to learn more >>about this! >> >>Regards, Terry > >The margin of error he is talking about isn't that of mistakes in the input of >the moves, but of statistical certainty of who the best is. With that many games >you can ascertain which is best but there is a margin of error, and that is the >margin of error he is talking about. Fritz may have won the match but in order >to say it is the best you either need to factor in the statistical margin of >error or play more games. > > Albert Silver I am not sure but 16 mb of hash sounds too much for a 5 min game. Anyway which version of Fritz is this. 6a?, light?, as originally I see Terry posting about Light. Thanks.
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