Individual Calculations January 2020
 McDonnell, James J  Total change: -5.80  Rating chartPersonal card
 11th CSC London Chess Classic: Weekday Under 2050 London ENG 2019-12-02
RcRownchangeKK*chgGame
 1702 1774 2.00 4 -0.29 20 -5.80 
  Stembridge, Ed 1996 ENG0.001-0.2220-4.40 
  Stoica, Savas Marin 1637 ENG0.001-0.6820-13.60 
  Macleod, Andrew 1383 ENG1.0010.09201.80 
  Kamath, Raghu 1790 ENG1.0010.522010.40 

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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