Individual Calculations December 2017
 Simons, Martin J  Total change: -2.20  Rating chartPersonal card
 2017/18 4NCL Division 3 South Rounds 1-2 Reading ENG 2017-11-11
RcRownchangeKK*chgGame
 1768 2019 1.50 2 -0.11 20 -2.20 
  Clancy, Martin J 1835 ENG0.501-0.2420-4.80 
  Harvey, John 1700 ENG1.0010.13202.60 

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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