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Subject: Margin of error in ratings?

Author: Arda Renkver

Date: 05:22:41 06/04/99


Could someone refer to a source as to how to get these +61 -53 etc margin of
error ratings points depending on the number of games played.Like in the new
Swedish list; 182 games for CM6000 has higher margin than 900 games played with
some other program.For example is just one game's margin of error in rating 800
points? What is the maximum number of games required to be in the range of + and
- 0.000...1 etc? What statistical formula or concept used other than ELO
calculation as usual.



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