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Subject: Re: Win expectancy...

Author: José de Jesús García Ruvalcaba

Date: 14:39:31 01/29/99

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On January 29, 1999 at 16:51:13, Dann Corbit wrote:

>Win expectency for a difference of 0 points is 0.5
>Win expectency for a difference of 100 points is 0.359935
>Win expectency for a difference of 200 points is 0.240253
>Win expectency for a difference of 300 points is 0.15098
>Win expectency for a difference of 400 points is 0.0909091
>Win expectency for a difference of 500 points is 0.0532402
>Win expectency for a difference of 600 points is 0.0306534
>Win expectency for a difference of 700 points is 0.0174721
>Win expectency for a difference of 800 points is 0.00990099
>Win expectency for a difference of 900 points is 0.00559197
>Win expectency for a difference of 1000 points is 0.00315231
>Win expectency for a difference of 1100 points is 0.00177512
>Win expectency for a difference of 1200 points is 0.000999001
>Win expectency for a difference of 1300 points is 0.000562025
>Win expectency for a difference of 1400 points is 0.000316128
>Win expectency for a difference of 1500 points is 0.000177796
>Win expectency for a difference of 1600 points is 9.999e-005
>Win expectency for a difference of 1700 points is 5.6231e-005
>Win expectency for a difference of 1800 points is 3.16218e-005
>Win expectency for a difference of 1900 points is 1.77825e-005
>Win expectency for a difference of 2000 points is 9.9999e-006
>Win expectency for a difference of 2100 points is 5.62338e-006
>Win expectency for a difference of 2200 points is 3.16227e-006
>Win expectency for a difference of 2300 points is 1.77828e-006
>Win expectency for a difference of 2400 points is 9.99999e-007
>Win expectency for a difference of 2500 points is 5.62341e-007
>Win expectency for a difference of 2600 points is 3.16228e-007
>Win expectency for a difference of 2700 points is 1.77828e-007
>Win expectency for a difference of 2800 points is 1e-007
>Win expectency for a difference of 2900 points is 5.62341e-008
>Win expectency for a difference of 3000 points is 3.16228e-008

How do you compute the score expectancy for a given rating difference?



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