Author: Bruce Moreland
Date: 09:20:27 10/21/98
Go up one level in this thread
On October 21, 1998 at 09:02:26, ed wrote:
>Should have read "closer" to even. Btw, a 60% score is only worth ~ 60 points.
>Need 66% score for 100 points. But in any case, i agree with what bob said, a
>small delta in CPU speed between comp-comp games can mean a *huge* diff in final
>result, if not huge, certainly much more so than what one would expect.
OK, I was wrong about 60% being 100 points. I'm using the formula:
point delta = 500 * log(1/percentage - 1)
K actually has nothing to do with this, by the way.
If FIDE is doing something differently, then I'm totally wrong.
But using this formula:
60% is 70 points
100 points is 65%
bruce
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