Re: [pbmserv-dev] ratings.cpp

[Martin Moller Pedersen <tusk@daimi.au.dk>]

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>Okay, thanks for your help! This is the section of code I was
>looking for:

> if (games1 < 20) {  /* Provisional against... */
>  int value;
>  if (games2 < 20) /* provisional */
>   value = (rating1+effrat2)/2 + 200*outcome;
>  else   /* established */
>   value = effrat2 + 400*outcome;
>  newrating = (rating1*games1+value)/(games1+1) + (1720-rating1)/5;

>Note that the term (1720-rating1)/5 is added to your rating
>EVERY TIME a game is completed. No record is kept of what your
>rating would have been without this bias. This seems to contradict
>what it says in http://www.gamerz.net/pbmserv/ratings.html

No. It is only added if games1<20 that if you is provisional.

/Martin