Individual Calculations August 2017
 Horton, Jamie A  Total change: -0.60  Rating chartPersonal card
 North East League 2019-20 Final: Yorkshire v Lancashire Warwick ENG 2017-07-01
RcRownchangeKK*chgGame
 2160 2178 0.50 1 -0.03 20 -0.60 
  Gayson, Peter M 2160 ENG0.501-0.0320-0.60 

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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