Individual Calculations September 2021
 Chan, Matthew M  Total change: -92.80  Rating chartPersonal card
 51st Annual Continental Open - Under 2200 Sturbridge, Massachusetts USA 2021-08-12
RcRownchangeKK*chgGame
 1533 1860 2.00 5 -2.32 40 -92.80 
  Cobbs, Kenneth 1460  * USA0.501-0.4240-16.80 
  Groff, Jordan 1642 USA0.001-0.7840-31.20 
  Kupersmith, Alexander 1460  * USA0.001-0.9240-36.80 
  Yang, Maxwell Z 1460  * USA1.0010.08403.20 
  Moshkevich, Elizabeth 1644 USA0.501-0.2840-11.20 
 * Rating difference of more than 400. Please read more at FIDE Handbook

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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