Author: Terry Ripple
Date: 04:34:02 07/30/00
Go up one level in this thread
On July 29, 2000 at 10:48:35, Chessfun wrote: >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. Hi Chessfun, The version that i'am using in this match of 306 games is still Fritz Light which i was told is the identical Fritz 6 partner! Regards,Terry
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