Individual Calculations December 2017
 Graham, William M  Total change: 18.60  Rating chartPersonal card
 2017/18 4NCL Division 3 South Rounds 1-2 Reading ENG 2017-11-11
RcRownchangeKK*chgGame
 2050 1886 1.50 2 0.93 20 18.60 
  Compton, Alistair 2078 NZL0.5010.25205.00 
  George, Matthew P 2021 ENG1.0010.682013.60 

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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