Sevenoaks League Ratings

The ratings shown are based on results played this season in the Sevenoaks League only.  For this season only(2017/2018) initial ratings have been taken from TT365 ratings. This has corrected some anomalies in the past where estimated initial ratings have been too low.  If no TT365 rating is available an estimate (in red)  is provided which will be updated from the TT365 rating as necessary.   

The points matrix  shown below has NOT been changed and is the same as used in the Sevenoaks League for many years.  This means that the winner of a set gains the same number of points as his opponent loses. 

The TT365 system resets ratings at the beginning of each season.  TTE ratings are reduced by 10%.

The latest ratings can be displayed by clicking  STTLRatings.pdf

Ratings are calculated by using the following matrix:

 ExpectedUnexpected
Rating DiffWinnerLoserWinnerLoser
0-2412-1212-12
25-4911-1114-14
50-999-917-17
100-1498-821-21
150-1996-626-26
200-2995-533-33
300-3993-345-45
400-4992-260-60
500 & greater0075-75

 

 

 

 

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