Author: Terry Ripple
Date: 00:50:59 07/29/00
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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
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