Individual Calculations December 2017
 Smith, Graham  Total change: 13.60  Rating chartPersonal card
 2017/18 4NCL Division 3 South Rounds 1-2 Reading ENG 2017-11-11
RcRownchangeKK*chgGame
 2092 2026 1.50 2 0.68 20 13.60 
  Agnew, Alan 2108 ENG0.5010.11202.20 
  Piper, Stephen J 2075 ENG1.0010.572011.40 

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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