Individual Calculations June 2017
 Ruthen, Stephen W  Total change: -8.00  Rating chartPersonal card
 2016/17 4NCL Division 3 South Rounds 9-11 Reading ENG 2017-04-29
RcRownchangeKK*chgGame
 2071 2000 0.00 1 -0.40 20 -8.00 
  Piper, Stephen J 2071 ENG0.001-0.4020-8.00 

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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